diff --git linux-libre-6.15.5-gnu/Documentation/ABI/testing/sysfs-devices-system-cpu linux-libre-6.15.6-gnu/Documentation/ABI/testing/sysfs-devices-system-cpu
index 6a1acabb29d8..53755b2021ed 100644
--- linux-libre-6.15.5-gnu/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ linux-libre-6.15.6-gnu/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -523,6 +523,7 @@ What:		/sys/devices/system/cpu/vulnerabilities
 		/sys/devices/system/cpu/vulnerabilities/spectre_v1
 		/sys/devices/system/cpu/vulnerabilities/spectre_v2
 		/sys/devices/system/cpu/vulnerabilities/srbds
+		/sys/devices/system/cpu/vulnerabilities/tsa
 		/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
 Date:		January 2018
 Contact:	Linux kernel mailing list <linux-kernel@vger.kernel.org>
diff --git linux-libre-6.15.5-gnu/Documentation/ABI/testing/sysfs-driver-ufs linux-libre-6.15.6-gnu/Documentation/ABI/testing/sysfs-driver-ufs
index e36d2de16cbd..0397664e869a 100644
--- linux-libre-6.15.5-gnu/Documentation/ABI/testing/sysfs-driver-ufs
+++ linux-libre-6.15.6-gnu/Documentation/ABI/testing/sysfs-driver-ufs
@@ -711,7 +711,7 @@ Description:	This file shows the thin provisioning type. This is one of
 
 		The file is read only.
 
-What:		/sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resourse_count
+What:		/sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resource_count
 Date:		February 2018
 Contact:	Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 Description:	This file shows the total physical memory resources. This is
diff --git linux-libre-6.15.5-gnu/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst linux-libre-6.15.6-gnu/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
index 1302fd1b55e8..6dba18dbb9ab 100644
--- linux-libre-6.15.5-gnu/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
+++ linux-libre-6.15.6-gnu/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
@@ -157,9 +157,7 @@ This is achieved by using the otherwise unused and obsolete VERW instruction in
 combination with a microcode update. The microcode clears the affected CPU
 buffers when the VERW instruction is executed.
 
-Kernel reuses the MDS function to invoke the buffer clearing:
-
-	mds_clear_cpu_buffers()
+Kernel does the buffer clearing with x86_clear_cpu_buffers().
 
 On MDS affected CPUs, the kernel already invokes CPU buffer clear on
 kernel/userspace, hypervisor/guest and C-state (idle) transitions. No
diff --git linux-libre-6.15.5-gnu/Documentation/admin-guide/kernel-parameters.txt linux-libre-6.15.6-gnu/Documentation/admin-guide/kernel-parameters.txt
index 8f75ec177399..76a34e0aef76 100644
--- linux-libre-6.15.5-gnu/Documentation/admin-guide/kernel-parameters.txt
+++ linux-libre-6.15.6-gnu/Documentation/admin-guide/kernel-parameters.txt
@@ -7423,6 +7423,19 @@
 			having this key zero'ed is acceptable. E.g. in testing
 			scenarios.
 
+	tsa=		[X86] Control mitigation for Transient Scheduler
+			Attacks on AMD CPUs. Search the following in your
+			favourite search engine for more details:
+
+			"Technical guidance for mitigating transient scheduler
+			attacks".
+
+			off		- disable the mitigation
+			on		- enable the mitigation (default)
+			user		- mitigate only user/kernel transitions
+			vm		- mitigate only guest/host transitions
+
+
 	tsc=		Disable clocksource stability checks for TSC.
 			Format: <string>
 			[x86] reliable: mark tsc clocksource as reliable, this
diff --git linux-libre-6.15.5-gnu/Documentation/arch/x86/mds.rst linux-libre-6.15.6-gnu/Documentation/arch/x86/mds.rst
index 5a2e6c0ef04a..3518671e1a85 100644
--- linux-libre-6.15.5-gnu/Documentation/arch/x86/mds.rst
+++ linux-libre-6.15.6-gnu/Documentation/arch/x86/mds.rst
@@ -93,7 +93,7 @@ enters a C-state.
 
 The kernel provides a function to invoke the buffer clearing:
 
-    mds_clear_cpu_buffers()
+    x86_clear_cpu_buffers()
 
 Also macro CLEAR_CPU_BUFFERS can be used in ASM late in exit-to-user path.
 Other than CFLAGS.ZF, this macro doesn't clobber any registers.
@@ -185,9 +185,9 @@ Mitigation points
    idle clearing would be a window dressing exercise and is therefore not
    activated.
 
-   The invocation is controlled by the static key mds_idle_clear which is
-   switched depending on the chosen mitigation mode and the SMT state of
-   the system.
+   The invocation is controlled by the static key cpu_buf_idle_clear which is
+   switched depending on the chosen mitigation mode and the SMT state of the
+   system.
 
    The buffer clear is only invoked before entering the C-State to prevent
    that stale data from the idling CPU from spilling to the Hyper-Thread
diff --git linux-libre-6.15.5-gnu/Documentation/core-api/symbol-namespaces.rst linux-libre-6.15.6-gnu/Documentation/core-api/symbol-namespaces.rst
index 06f766a6aab2..c6f59c5e2564 100644
--- linux-libre-6.15.5-gnu/Documentation/core-api/symbol-namespaces.rst
+++ linux-libre-6.15.6-gnu/Documentation/core-api/symbol-namespaces.rst
@@ -28,6 +28,9 @@ kernel. As of today, modules that make use of symbols exported into namespaces,
 are required to import the namespace. Otherwise the kernel will, depending on
 its configuration, reject loading the module or warn about a missing import.
 
+Additionally, it is possible to put symbols into a module namespace, strictly
+limiting which modules are allowed to use these symbols.
+
 2. How to define Symbol Namespaces
 ==================================
 
@@ -83,6 +86,22 @@ unit as preprocessor statement. The above example would then read::
 within the corresponding compilation unit before the #include for
 <linux/export.h>. Typically it's placed before the first #include statement.
 
+2.3 Using the EXPORT_SYMBOL_GPL_FOR_MODULES() macro
+===================================================
+
+Symbols exported using this macro are put into a module namespace. This
+namespace cannot be imported.
+
+The macro takes a comma separated list of module names, allowing only those
+modules to access this symbol. Simple tail-globs are supported.
+
+For example:
+
+  EXPORT_SYMBOL_GPL_FOR_MODULES(preempt_notifier_inc, "kvm,kvm-*")
+
+will limit usage of this symbol to modules whoes name matches the given
+patterns.
+
 3. How to use Symbols exported in Namespaces
 ============================================
 
@@ -154,3 +173,6 @@ in-tree modules::
 You can also run nsdeps for external module builds. A typical usage is::
 
 	$ make -C <path_to_kernel_src> M=$PWD nsdeps
+
+Note: it will happily generate an import statement for the module namespace;
+which will not work and generates build and runtime failures.
diff --git linux-libre-6.15.5-gnu/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml linux-libre-6.15.6-gnu/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
index eddfd329c67b..69ac5db8b914 100644
--- linux-libre-6.15.5-gnu/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
+++ linux-libre-6.15.6-gnu/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
@@ -26,7 +26,8 @@ properties:
       - const: realtek,rtl9301-i2c
 
   reg:
-    description: Register offset and size this I2C controller.
+    items:
+      - description: Register offset and size this I2C controller.
 
   "#address-cells":
     const: 1
diff --git linux-libre-6.15.5-gnu/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml linux-libre-6.15.6-gnu/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
index 4dd2dc9c678b..8afbd9ebd73f 100644
--- linux-libre-6.15.5-gnu/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
+++ linux-libre-6.15.6-gnu/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
@@ -80,6 +80,8 @@ examples:
       interrupt-parent = <&intc>;
       interrupts = <296 IRQ_TYPE_LEVEL_HIGH>;
       interrupt-names = "macirq";
+      phy-handle = <&phy0>;
+      phy-mode = "rgmii-id";
       resets = <&rst 30>;
       reset-names = "stmmaceth";
       snps,multicast-filter-bins = <0>;
@@ -91,7 +93,6 @@ examples:
       snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
       snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
       snps,axi-config = <&gmac0_stmmac_axi_setup>;
-      status = "disabled";
 
       gmac0_mtl_rx_setup: rx-queues-config {
         snps,rx-queues-to-use = <8>;
diff --git linux-libre-6.15.5-gnu/Makefile linux-libre-6.15.6-gnu/Makefile
index cbd564786563..c94ab4292315 100644
--- linux-libre-6.15.5-gnu/Makefile
+++ linux-libre-6.15.6-gnu/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 15
-SUBLEVEL = 5
+SUBLEVEL = 6
 EXTRAVERSION = -gnu
 NAME = Baby Opossum Posse
 
diff --git linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/spi1-nvram.dtsi linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/spi1-nvram.dtsi
index 3df2fd3993b5..9740fbf200f0 100644
--- linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/spi1-nvram.dtsi
+++ linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/spi1-nvram.dtsi
@@ -20,8 +20,6 @@
 		compatible = "jedec,spi-nor";
 		reg = <0x0>;
 		spi-max-frequency = <25000000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
 
 		partitions {
 			compatible = "fixed-partitions";
diff --git linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8103-j293.dts linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8103-j293.dts
index 3ef5de9bf5d6..d1114510f60a 100644
--- linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8103-j293.dts
+++ linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8103-j293.dts
@@ -100,6 +100,8 @@
 
 &displaydfr_mipi {
 	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
 
 	dfr_panel: panel@0 {
 		compatible = "apple,j293-summit", "apple,summit";
diff --git linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
index 8e82231acab5..0c8206156bfe 100644
--- linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
+++ linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
@@ -71,7 +71,7 @@
  */
 &port00 {
 	bus-range = <1 1>;
-	wifi0: network@0,0 {
+	wifi0: wifi@0,0 {
 		compatible = "pci14e4,4425";
 		reg = <0x10000 0x0 0x0 0x0 0x0>;
 		/* To be filled by the loader */
diff --git linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8103.dtsi linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8103.dtsi
index 97b6a067394e..229b10efaab9 100644
--- linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8103.dtsi
+++ linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -404,8 +404,6 @@
 			compatible = "apple,t8103-display-pipe-mipi", "apple,h7-display-pipe-mipi";
 			reg = <0x2 0x28600000 0x0 0x100000>;
 			power-domains = <&ps_mipi_dsi>;
-			#address-cells = <1>;
-			#size-cells = <0>;
 			status = "disabled";
 
 			ports {
diff --git linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8112-j493.dts linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8112-j493.dts
index 62fbbf196762..79bfd1f13410 100644
--- linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8112-j493.dts
+++ linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8112-j493.dts
@@ -63,6 +63,8 @@
 
 &displaydfr_mipi {
 	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
 
 	dfr_panel: panel@0 {
 		compatible = "apple,j493-summit", "apple,summit";
diff --git linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8112.dtsi linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8112.dtsi
index d9b966d68e4f..7488e3850493 100644
--- linux-libre-6.15.5-gnu/arch/arm64/boot/dts/apple/t8112.dtsi
+++ linux-libre-6.15.6-gnu/arch/arm64/boot/dts/apple/t8112.dtsi
@@ -420,8 +420,6 @@
 			compatible = "apple,t8112-display-pipe-mipi", "apple,h7-display-pipe-mipi";
 			reg = <0x2 0x28600000 0x0 0x100000>;
 			power-domains = <&ps_mipi_dsi>;
-			#address-cells = <1>;
-			#size-cells = <0>;
 			status = "disabled";
 
 			ports {
diff --git linux-libre-6.15.5-gnu/arch/powerpc/include/uapi/asm/ioctls.h linux-libre-6.15.6-gnu/arch/powerpc/include/uapi/asm/ioctls.h
index 2c145da3b774..b5211e413829 100644
--- linux-libre-6.15.5-gnu/arch/powerpc/include/uapi/asm/ioctls.h
+++ linux-libre-6.15.6-gnu/arch/powerpc/include/uapi/asm/ioctls.h
@@ -23,10 +23,10 @@
 #define TCSETSW		_IOW('t', 21, struct termios)
 #define TCSETSF		_IOW('t', 22, struct termios)
 
-#define TCGETA		_IOR('t', 23, struct termio)
-#define TCSETA		_IOW('t', 24, struct termio)
-#define TCSETAW		_IOW('t', 25, struct termio)
-#define TCSETAF		_IOW('t', 28, struct termio)
+#define TCGETA		0x40147417 /* _IOR('t', 23, struct termio) */
+#define TCSETA		0x80147418 /* _IOW('t', 24, struct termio) */
+#define TCSETAW		0x80147419 /* _IOW('t', 25, struct termio) */
+#define TCSETAF		0x8014741c /* _IOW('t', 28, struct termio) */
 
 #define TCSBRK		_IO('t', 29)
 #define TCXONC		_IO('t', 30)
diff --git linux-libre-6.15.5-gnu/arch/riscv/kernel/cpu_ops_sbi.c linux-libre-6.15.6-gnu/arch/riscv/kernel/cpu_ops_sbi.c
index e6fbaaf54956..87d655944803 100644
--- linux-libre-6.15.5-gnu/arch/riscv/kernel/cpu_ops_sbi.c
+++ linux-libre-6.15.6-gnu/arch/riscv/kernel/cpu_ops_sbi.c
@@ -18,10 +18,10 @@ const struct cpu_operations cpu_ops_sbi;
 
 /*
  * Ordered booting via HSM brings one cpu at a time. However, cpu hotplug can
- * be invoked from multiple threads in parallel. Define a per cpu data
+ * be invoked from multiple threads in parallel. Define an array of boot data
  * to handle that.
  */
-static DEFINE_PER_CPU(struct sbi_hart_boot_data, boot_data);
+static struct sbi_hart_boot_data boot_data[NR_CPUS];
 
 static int sbi_hsm_hart_start(unsigned long hartid, unsigned long saddr,
 			      unsigned long priv)
@@ -67,7 +67,7 @@ static int sbi_cpu_start(unsigned int cpuid, struct task_struct *tidle)
 	unsigned long boot_addr = __pa_symbol(secondary_start_sbi);
 	unsigned long hartid = cpuid_to_hartid_map(cpuid);
 	unsigned long hsm_data;
-	struct sbi_hart_boot_data *bdata = &per_cpu(boot_data, cpuid);
+	struct sbi_hart_boot_data *bdata = &boot_data[cpuid];
 
 	/* Make sure tidle is updated */
 	smp_mb();
diff --git linux-libre-6.15.5-gnu/arch/s390/pci/pci_event.c linux-libre-6.15.6-gnu/arch/s390/pci/pci_event.c
index 2fbee3887d13..6c8922ad70f3 100644
--- linux-libre-6.15.5-gnu/arch/s390/pci/pci_event.c
+++ linux-libre-6.15.6-gnu/arch/s390/pci/pci_event.c
@@ -106,6 +106,10 @@ static pci_ers_result_t zpci_event_do_error_state_clear(struct pci_dev *pdev,
 	struct zpci_dev *zdev = to_zpci(pdev);
 	int rc;
 
+	/* The underlying device may have been disabled by the event */
+	if (!zdev_enabled(zdev))
+		return PCI_ERS_RESULT_NEED_RESET;
+
 	pr_info("%s: Unblocking device access for examination\n", pci_name(pdev));
 	rc = zpci_reset_load_store_blocked(zdev);
 	if (rc) {
@@ -273,6 +277,8 @@ static void __zpci_event_error(struct zpci_ccdf_err *ccdf)
 	struct zpci_dev *zdev = get_zdev_by_fid(ccdf->fid);
 	struct pci_dev *pdev = NULL;
 	pci_ers_result_t ers_res;
+	u32 fh = 0;
+	int rc;
 
 	zpci_dbg(3, "err fid:%x, fh:%x, pec:%x\n",
 		 ccdf->fid, ccdf->fh, ccdf->pec);
@@ -281,6 +287,15 @@ static void __zpci_event_error(struct zpci_ccdf_err *ccdf)
 
 	if (zdev) {
 		mutex_lock(&zdev->state_lock);
+		rc = clp_refresh_fh(zdev->fid, &fh);
+		if (rc)
+			goto no_pdev;
+		if (!fh || ccdf->fh != fh) {
+			/* Ignore events with stale handles */
+			zpci_dbg(3, "err fid:%x, fh:%x (stale %x)\n",
+				 ccdf->fid, fh, ccdf->fh);
+			goto no_pdev;
+		}
 		zpci_update_fh(zdev, ccdf->fh);
 		if (zdev->zbus->bus)
 			pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn);
diff --git linux-libre-6.15.5-gnu/arch/x86/Kconfig linux-libre-6.15.6-gnu/arch/x86/Kconfig
index 47932d5f4499..020180dfb87f 100644
--- linux-libre-6.15.5-gnu/arch/x86/Kconfig
+++ linux-libre-6.15.6-gnu/arch/x86/Kconfig
@@ -2723,6 +2723,15 @@ config MITIGATION_ITS
 	  disabled, mitigation cannot be enabled via cmdline.
 	  See <file:Documentation/admin-guide/hw-vuln/indirect-target-selection.rst>
 
+config MITIGATION_TSA
+	bool "Mitigate Transient Scheduler Attacks"
+	depends on CPU_SUP_AMD
+	default y
+	help
+	  Enable mitigation for Transient Scheduler Attacks. TSA is a hardware
+	  security vulnerability on AMD CPUs which can lead to forwarding of
+	  invalid info to subsequent instructions and thus can affect their
+	  timing and thereby cause a leakage.
 endif
 
 config ARCH_HAS_ADD_PAGES
diff --git linux-libre-6.15.5-gnu/arch/x86/entry/entry.S linux-libre-6.15.6-gnu/arch/x86/entry/entry.S
index 175958b02f2b..8e9a0cc20a4a 100644
--- linux-libre-6.15.5-gnu/arch/x86/entry/entry.S
+++ linux-libre-6.15.6-gnu/arch/x86/entry/entry.S
@@ -36,20 +36,20 @@ EXPORT_SYMBOL_GPL(write_ibpb);
 
 /*
  * Define the VERW operand that is disguised as entry code so that
- * it can be referenced with KPTI enabled. This ensure VERW can be
+ * it can be referenced with KPTI enabled. This ensures VERW can be
  * used late in exit-to-user path after page tables are switched.
  */
 .pushsection .entry.text, "ax"
 
 .align L1_CACHE_BYTES, 0xcc
-SYM_CODE_START_NOALIGN(mds_verw_sel)
+SYM_CODE_START_NOALIGN(x86_verw_sel)
 	UNWIND_HINT_UNDEFINED
 	ANNOTATE_NOENDBR
 	.word __KERNEL_DS
 .align L1_CACHE_BYTES, 0xcc
-SYM_CODE_END(mds_verw_sel);
+SYM_CODE_END(x86_verw_sel);
 /* For KVM */
-EXPORT_SYMBOL_GPL(mds_verw_sel);
+EXPORT_SYMBOL_GPL(x86_verw_sel);
 
 .popsection
 
diff --git linux-libre-6.15.5-gnu/arch/x86/include/asm/cpufeatures.h linux-libre-6.15.6-gnu/arch/x86/include/asm/cpufeatures.h
index 30144ef9ef02..6f894740663c 100644
--- linux-libre-6.15.5-gnu/arch/x86/include/asm/cpufeatures.h
+++ linux-libre-6.15.6-gnu/arch/x86/include/asm/cpufeatures.h
@@ -453,6 +453,7 @@
 #define X86_FEATURE_NO_NESTED_DATA_BP	(20*32+ 0) /* No Nested Data Breakpoints */
 #define X86_FEATURE_WRMSR_XX_BASE_NS	(20*32+ 1) /* WRMSR to {FS,GS,KERNEL_GS}_BASE is non-serializing */
 #define X86_FEATURE_LFENCE_RDTSC	(20*32+ 2) /* LFENCE always serializing / synchronizes RDTSC */
+#define X86_FEATURE_VERW_CLEAR		(20*32+ 5) /* The memory form of VERW mitigates TSA */
 #define X86_FEATURE_NULL_SEL_CLR_BASE	(20*32+ 6) /* Null Selector Clears Base */
 #define X86_FEATURE_AUTOIBRS		(20*32+ 8) /* Automatic IBRS */
 #define X86_FEATURE_NO_SMM_CTL_MSR	(20*32+ 9) /* SMM_CTL MSR is not present */
@@ -482,6 +483,9 @@
 #define X86_FEATURE_AMD_WORKLOAD_CLASS	(21*32 + 7) /* Workload Classification */
 #define X86_FEATURE_PREFER_YMM		(21*32 + 8) /* Avoid ZMM registers due to downclocking */
 #define X86_FEATURE_INDIRECT_THUNK_ITS	(21*32 + 9) /* Use thunk for indirect branches in lower half of cacheline */
+#define X86_FEATURE_TSA_SQ_NO		(21*32+11) /* AMD CPU not vulnerable to TSA-SQ */
+#define X86_FEATURE_TSA_L1_NO		(21*32+12) /* AMD CPU not vulnerable to TSA-L1 */
+#define X86_FEATURE_CLEAR_CPU_BUF_VM	(21*32+13) /* Clear CPU buffers using VERW before VMRUN */
 
 /*
  * BUG word(s)
@@ -536,4 +540,5 @@
 #define X86_BUG_SPECTRE_V2_USER		X86_BUG(1*32 + 5) /* "spectre_v2_user" CPU is affected by Spectre variant 2 attack between user processes */
 #define X86_BUG_ITS			X86_BUG(1*32 + 6) /* "its" CPU is affected by Indirect Target Selection */
 #define X86_BUG_ITS_NATIVE_ONLY		X86_BUG(1*32 + 7) /* "its_native_only" CPU is affected by ITS, VMX is not affected */
+#define X86_BUG_TSA			X86_BUG( 1*32+ 9) /* "tsa" CPU is affected by Transient Scheduler Attacks */
 #endif /* _ASM_X86_CPUFEATURES_H */
diff --git linux-libre-6.15.5-gnu/arch/x86/include/asm/irqflags.h linux-libre-6.15.6-gnu/arch/x86/include/asm/irqflags.h
index 9a9b21b78905..b30e5474c18e 100644
--- linux-libre-6.15.5-gnu/arch/x86/include/asm/irqflags.h
+++ linux-libre-6.15.6-gnu/arch/x86/include/asm/irqflags.h
@@ -44,13 +44,13 @@ static __always_inline void native_irq_enable(void)
 
 static __always_inline void native_safe_halt(void)
 {
-	mds_idle_clear_cpu_buffers();
+	x86_idle_clear_cpu_buffers();
 	asm volatile("sti; hlt": : :"memory");
 }
 
 static __always_inline void native_halt(void)
 {
-	mds_idle_clear_cpu_buffers();
+	x86_idle_clear_cpu_buffers();
 	asm volatile("hlt": : :"memory");
 }
 
diff --git linux-libre-6.15.5-gnu/arch/x86/include/asm/kvm_host.h linux-libre-6.15.6-gnu/arch/x86/include/asm/kvm_host.h
index 7bc174a1f1cb..f094493232b6 100644
--- linux-libre-6.15.5-gnu/arch/x86/include/asm/kvm_host.h
+++ linux-libre-6.15.6-gnu/arch/x86/include/asm/kvm_host.h
@@ -756,6 +756,7 @@ enum kvm_only_cpuid_leafs {
 	CPUID_8000_0022_EAX,
 	CPUID_7_2_EDX,
 	CPUID_24_0_EBX,
+	CPUID_8000_0021_ECX,
 	NR_KVM_CPU_CAPS,
 
 	NKVMCAPINTS = NR_KVM_CPU_CAPS - NCAPINTS,
diff --git linux-libre-6.15.5-gnu/arch/x86/include/asm/mwait.h linux-libre-6.15.6-gnu/arch/x86/include/asm/mwait.h
index 54dc313bcdf0..d3d51caade48 100644
--- linux-libre-6.15.5-gnu/arch/x86/include/asm/mwait.h
+++ linux-libre-6.15.6-gnu/arch/x86/include/asm/mwait.h
@@ -43,8 +43,6 @@ static __always_inline void __monitorx(const void *eax, unsigned long ecx,
 
 static __always_inline void __mwait(unsigned long eax, unsigned long ecx)
 {
-	mds_idle_clear_cpu_buffers();
-
 	/* "mwait %eax, %ecx;" */
 	asm volatile(".byte 0x0f, 0x01, 0xc9;"
 		     :: "a" (eax), "c" (ecx));
@@ -79,7 +77,7 @@ static __always_inline void __mwait(unsigned long eax, unsigned long ecx)
 static __always_inline void __mwaitx(unsigned long eax, unsigned long ebx,
 				     unsigned long ecx)
 {
-	/* No MDS buffer clear as this is AMD/HYGON only */
+	/* No need for TSA buffer clearing on AMD */
 
 	/* "mwaitx %eax, %ebx, %ecx;" */
 	asm volatile(".byte 0x0f, 0x01, 0xfb;"
@@ -97,7 +95,7 @@ static __always_inline void __mwaitx(unsigned long eax, unsigned long ebx,
  */
 static __always_inline void __sti_mwait(unsigned long eax, unsigned long ecx)
 {
-	mds_idle_clear_cpu_buffers();
+
 	/* "mwait %eax, %ecx;" */
 	asm volatile("sti; .byte 0x0f, 0x01, 0xc9;"
 		     :: "a" (eax), "c" (ecx));
@@ -115,21 +113,29 @@ static __always_inline void __sti_mwait(unsigned long eax, unsigned long ecx)
  */
 static __always_inline void mwait_idle_with_hints(unsigned long eax, unsigned long ecx)
 {
+	if (need_resched())
+		return;
+
+	x86_idle_clear_cpu_buffers();
+
 	if (static_cpu_has_bug(X86_BUG_MONITOR) || !current_set_polling_and_test()) {
 		const void *addr = &current_thread_info()->flags;
 
 		alternative_input("", "clflush (%[addr])", X86_BUG_CLFLUSH_MONITOR, [addr] "a" (addr));
 		__monitor(addr, 0, 0);
 
-		if (!need_resched()) {
-			if (ecx & 1) {
-				__mwait(eax, ecx);
-			} else {
-				__sti_mwait(eax, ecx);
-				raw_local_irq_disable();
-			}
+		if (need_resched())
+			goto out;
+
+		if (ecx & 1) {
+			__mwait(eax, ecx);
+		} else {
+			__sti_mwait(eax, ecx);
+			raw_local_irq_disable();
 		}
 	}
+
+out:
 	current_clr_polling();
 }
 
diff --git linux-libre-6.15.5-gnu/arch/x86/include/asm/nospec-branch.h linux-libre-6.15.6-gnu/arch/x86/include/asm/nospec-branch.h
index 7d04ade33541..6cc5432438cb 100644
--- linux-libre-6.15.5-gnu/arch/x86/include/asm/nospec-branch.h
+++ linux-libre-6.15.6-gnu/arch/x86/include/asm/nospec-branch.h
@@ -302,25 +302,31 @@
 .endm
 
 /*
- * Macro to execute VERW instruction that mitigate transient data sampling
- * attacks such as MDS. On affected systems a microcode update overloaded VERW
- * instruction to also clear the CPU buffers. VERW clobbers CFLAGS.ZF.
- *
+ * Macro to execute VERW insns that mitigate transient data sampling
+ * attacks such as MDS or TSA. On affected systems a microcode update
+ * overloaded VERW insns to also clear the CPU buffers. VERW clobbers
+ * CFLAGS.ZF.
  * Note: Only the memory operand variant of VERW clears the CPU buffers.
  */
-.macro CLEAR_CPU_BUFFERS
+.macro __CLEAR_CPU_BUFFERS feature
 #ifdef CONFIG_X86_64
-	ALTERNATIVE "", "verw mds_verw_sel(%rip)", X86_FEATURE_CLEAR_CPU_BUF
+	ALTERNATIVE "", "verw x86_verw_sel(%rip)", \feature
 #else
 	/*
 	 * In 32bit mode, the memory operand must be a %cs reference. The data
 	 * segments may not be usable (vm86 mode), and the stack segment may not
 	 * be flat (ESPFIX32).
 	 */
-	ALTERNATIVE "", "verw %cs:mds_verw_sel", X86_FEATURE_CLEAR_CPU_BUF
+	ALTERNATIVE "", "verw %cs:x86_verw_sel", \feature
 #endif
 .endm
 
+#define CLEAR_CPU_BUFFERS \
+	__CLEAR_CPU_BUFFERS X86_FEATURE_CLEAR_CPU_BUF
+
+#define VM_CLEAR_CPU_BUFFERS \
+	__CLEAR_CPU_BUFFERS X86_FEATURE_CLEAR_CPU_BUF_VM
+
 #ifdef CONFIG_X86_64
 .macro CLEAR_BRANCH_HISTORY
 	ALTERNATIVE "", "call clear_bhb_loop", X86_FEATURE_CLEAR_BHB_LOOP
@@ -567,24 +573,24 @@ DECLARE_STATIC_KEY_FALSE(switch_mm_always_ibpb);
 
 DECLARE_STATIC_KEY_FALSE(switch_vcpu_ibpb);
 
-DECLARE_STATIC_KEY_FALSE(mds_idle_clear);
+DECLARE_STATIC_KEY_FALSE(cpu_buf_idle_clear);
 
 DECLARE_STATIC_KEY_FALSE(switch_mm_cond_l1d_flush);
 
 DECLARE_STATIC_KEY_FALSE(mmio_stale_data_clear);
 
-extern u16 mds_verw_sel;
+extern u16 x86_verw_sel;
 
 #include <asm/segment.h>
 
 /**
- * mds_clear_cpu_buffers - Mitigation for MDS and TAA vulnerability
+ * x86_clear_cpu_buffers - Buffer clearing support for different x86 CPU vulns
  *
  * This uses the otherwise unused and obsolete VERW instruction in
  * combination with microcode which triggers a CPU buffer flush when the
  * instruction is executed.
  */
-static __always_inline void mds_clear_cpu_buffers(void)
+static __always_inline void x86_clear_cpu_buffers(void)
 {
 	static const u16 ds = __KERNEL_DS;
 
@@ -601,14 +607,15 @@ static __always_inline void mds_clear_cpu_buffers(void)
 }
 
 /**
- * mds_idle_clear_cpu_buffers - Mitigation for MDS vulnerability
+ * x86_idle_clear_cpu_buffers - Buffer clearing support in idle for the MDS
+ * and TSA vulnerabilities.
  *
  * Clear CPU buffers if the corresponding static key is enabled
  */
-static __always_inline void mds_idle_clear_cpu_buffers(void)
+static __always_inline void x86_idle_clear_cpu_buffers(void)
 {
-	if (static_branch_likely(&mds_idle_clear))
-		mds_clear_cpu_buffers();
+	if (static_branch_likely(&cpu_buf_idle_clear))
+		x86_clear_cpu_buffers();
 }
 
 #endif /* __ASSEMBLER__ */
diff --git linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/amd.c linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/amd.c
index 1173a4c93d1e..052c7b7f6ca2 100644
--- linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/amd.c
+++ linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/amd.c
@@ -375,6 +375,47 @@ static void bsp_determine_snp(struct cpuinfo_x86 *c)
 #endif
 }
 
+#define ZEN_MODEL_STEP_UCODE(fam, model, step, ucode) \
+	X86_MATCH_VFM_STEPS(VFM_MAKE(X86_VENDOR_AMD, fam, model), \
+			    step, step, ucode)
+
+static const struct x86_cpu_id amd_tsa_microcode[] = {
+	ZEN_MODEL_STEP_UCODE(0x19, 0x01, 0x1, 0x0a0011d7),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x01, 0x2, 0x0a00123b),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x08, 0x2, 0x0a00820d),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x11, 0x1, 0x0a10114c),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x11, 0x2, 0x0a10124c),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x18, 0x1, 0x0a108109),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x21, 0x0, 0x0a20102e),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x21, 0x2, 0x0a201211),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x44, 0x1, 0x0a404108),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x50, 0x0, 0x0a500012),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x61, 0x2, 0x0a60120a),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x74, 0x1, 0x0a704108),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x75, 0x2, 0x0a705208),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x78, 0x0, 0x0a708008),
+	ZEN_MODEL_STEP_UCODE(0x19, 0x7c, 0x0, 0x0a70c008),
+	ZEN_MODEL_STEP_UCODE(0x19, 0xa0, 0x2, 0x0aa00216),
+	{},
+};
+
+static void tsa_init(struct cpuinfo_x86 *c)
+{
+	if (cpu_has(c, X86_FEATURE_HYPERVISOR))
+		return;
+
+	if (cpu_has(c, X86_FEATURE_ZEN3) ||
+	    cpu_has(c, X86_FEATURE_ZEN4)) {
+		if (x86_match_min_microcode_rev(amd_tsa_microcode))
+			setup_force_cpu_cap(X86_FEATURE_VERW_CLEAR);
+		else
+			pr_debug("%s: current revision: 0x%x\n", __func__, c->microcode);
+	} else {
+		setup_force_cpu_cap(X86_FEATURE_TSA_SQ_NO);
+		setup_force_cpu_cap(X86_FEATURE_TSA_L1_NO);
+	}
+}
+
 static void bsp_init_amd(struct cpuinfo_x86 *c)
 {
 	if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
@@ -487,6 +528,9 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
 	}
 
 	bsp_determine_snp(c);
+
+	tsa_init(c);
+
 	return;
 
 warn:
diff --git linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/bugs.c linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/bugs.c
index 8596ce85026c..0f6bc28db182 100644
--- linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/bugs.c
+++ linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/bugs.c
@@ -50,6 +50,7 @@ static void __init l1d_flush_select_mitigation(void);
 static void __init srso_select_mitigation(void);
 static void __init gds_select_mitigation(void);
 static void __init its_select_mitigation(void);
+static void __init tsa_select_mitigation(void);
 
 /* The base value of the SPEC_CTRL MSR without task-specific bits set */
 u64 x86_spec_ctrl_base;
@@ -125,9 +126,9 @@ DEFINE_STATIC_KEY_FALSE(switch_mm_always_ibpb);
 DEFINE_STATIC_KEY_FALSE(switch_vcpu_ibpb);
 EXPORT_SYMBOL_GPL(switch_vcpu_ibpb);
 
-/* Control MDS CPU buffer clear before idling (halt, mwait) */
-DEFINE_STATIC_KEY_FALSE(mds_idle_clear);
-EXPORT_SYMBOL_GPL(mds_idle_clear);
+/* Control CPU buffer clear before idling (halt, mwait) */
+DEFINE_STATIC_KEY_FALSE(cpu_buf_idle_clear);
+EXPORT_SYMBOL_GPL(cpu_buf_idle_clear);
 
 /*
  * Controls whether l1d flush based mitigations are enabled,
@@ -188,6 +189,7 @@ void __init cpu_select_mitigations(void)
 	srso_select_mitigation();
 	gds_select_mitigation();
 	its_select_mitigation();
+	tsa_select_mitigation();
 }
 
 /*
@@ -469,7 +471,7 @@ static void __init mmio_select_mitigation(void)
 	 * is required irrespective of SMT state.
 	 */
 	if (!(x86_arch_cap_msr & ARCH_CAP_FBSDP_NO))
-		static_branch_enable(&mds_idle_clear);
+		static_branch_enable(&cpu_buf_idle_clear);
 
 	/*
 	 * Check if the system has the right microcode.
@@ -2063,10 +2065,10 @@ static void update_mds_branch_idle(void)
 		return;
 
 	if (sched_smt_active()) {
-		static_branch_enable(&mds_idle_clear);
+		static_branch_enable(&cpu_buf_idle_clear);
 	} else if (mmio_mitigation == MMIO_MITIGATION_OFF ||
 		   (x86_arch_cap_msr & ARCH_CAP_FBSDP_NO)) {
-		static_branch_disable(&mds_idle_clear);
+		static_branch_disable(&cpu_buf_idle_clear);
 	}
 }
 
@@ -2074,6 +2076,94 @@ static void update_mds_branch_idle(void)
 #define TAA_MSG_SMT "TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.\n"
 #define MMIO_MSG_SMT "MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.\n"
 
+#undef pr_fmt
+#define pr_fmt(fmt)	"Transient Scheduler Attacks: " fmt
+
+enum tsa_mitigations {
+	TSA_MITIGATION_NONE,
+	TSA_MITIGATION_UCODE_NEEDED,
+	TSA_MITIGATION_USER_KERNEL,
+	TSA_MITIGATION_VM,
+	TSA_MITIGATION_FULL,
+};
+
+static const char * const tsa_strings[] = {
+	[TSA_MITIGATION_NONE]		= "Vulnerable",
+	[TSA_MITIGATION_UCODE_NEEDED]	= "Vulnerable: Clear CPU buffers attempted, no microcode",
+	[TSA_MITIGATION_USER_KERNEL]	= "Mitigation: Clear CPU buffers: user/kernel boundary",
+	[TSA_MITIGATION_VM]		= "Mitigation: Clear CPU buffers: VM",
+	[TSA_MITIGATION_FULL]		= "Mitigation: Clear CPU buffers",
+};
+
+static enum tsa_mitigations tsa_mitigation __ro_after_init =
+	IS_ENABLED(CONFIG_MITIGATION_TSA) ? TSA_MITIGATION_FULL : TSA_MITIGATION_NONE;
+
+static int __init tsa_parse_cmdline(char *str)
+{
+	if (!str)
+		return -EINVAL;
+
+	if (!strcmp(str, "off"))
+		tsa_mitigation = TSA_MITIGATION_NONE;
+	else if (!strcmp(str, "on"))
+		tsa_mitigation = TSA_MITIGATION_FULL;
+	else if (!strcmp(str, "user"))
+		tsa_mitigation = TSA_MITIGATION_USER_KERNEL;
+	else if (!strcmp(str, "vm"))
+		tsa_mitigation = TSA_MITIGATION_VM;
+	else
+		pr_err("Ignoring unknown tsa=%s option.\n", str);
+
+	return 0;
+}
+early_param("tsa", tsa_parse_cmdline);
+
+static void __init tsa_select_mitigation(void)
+{
+	if (tsa_mitigation == TSA_MITIGATION_NONE)
+		return;
+
+	if (cpu_mitigations_off() || !boot_cpu_has_bug(X86_BUG_TSA)) {
+		tsa_mitigation = TSA_MITIGATION_NONE;
+		return;
+	}
+
+	if (!boot_cpu_has(X86_FEATURE_VERW_CLEAR))
+		tsa_mitigation = TSA_MITIGATION_UCODE_NEEDED;
+
+	switch (tsa_mitigation) {
+	case TSA_MITIGATION_USER_KERNEL:
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
+		break;
+
+	case TSA_MITIGATION_VM:
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF_VM);
+		break;
+
+	case TSA_MITIGATION_UCODE_NEEDED:
+		if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
+			goto out;
+
+		pr_notice("Forcing mitigation on in a VM\n");
+
+		/*
+		 * On the off-chance that microcode has been updated
+		 * on the host, enable the mitigation in the guest just
+		 * in case.
+		 */
+		fallthrough;
+	case TSA_MITIGATION_FULL:
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF_VM);
+		break;
+	default:
+		break;
+	}
+
+out:
+	pr_info("%s\n", tsa_strings[tsa_mitigation]);
+}
+
 void cpu_bugs_smt_update(void)
 {
 	mutex_lock(&spec_ctrl_mutex);
@@ -2130,6 +2220,24 @@ void cpu_bugs_smt_update(void)
 		break;
 	}
 
+	switch (tsa_mitigation) {
+	case TSA_MITIGATION_USER_KERNEL:
+	case TSA_MITIGATION_VM:
+	case TSA_MITIGATION_FULL:
+	case TSA_MITIGATION_UCODE_NEEDED:
+		/*
+		 * TSA-SQ can potentially lead to info leakage between
+		 * SMT threads.
+		 */
+		if (sched_smt_active())
+			static_branch_enable(&cpu_buf_idle_clear);
+		else
+			static_branch_disable(&cpu_buf_idle_clear);
+		break;
+	case TSA_MITIGATION_NONE:
+		break;
+	}
+
 	mutex_unlock(&spec_ctrl_mutex);
 }
 
@@ -3078,6 +3186,11 @@ static ssize_t gds_show_state(char *buf)
 	return sysfs_emit(buf, "%s\n", gds_strings[gds_mitigation]);
 }
 
+static ssize_t tsa_show_state(char *buf)
+{
+	return sysfs_emit(buf, "%s\n", tsa_strings[tsa_mitigation]);
+}
+
 static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr,
 			       char *buf, unsigned int bug)
 {
@@ -3139,6 +3252,9 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr
 	case X86_BUG_ITS:
 		return its_show_state(buf);
 
+	case X86_BUG_TSA:
+		return tsa_show_state(buf);
+
 	default:
 		break;
 	}
@@ -3223,6 +3339,11 @@ ssize_t cpu_show_indirect_target_selection(struct device *dev, struct device_att
 {
 	return cpu_show_common(dev, attr, buf, X86_BUG_ITS);
 }
+
+ssize_t cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	return cpu_show_common(dev, attr, buf, X86_BUG_TSA);
+}
 #endif
 
 void __warn_thunk(void)
diff --git linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/common.c linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/common.c
index bf86a0145d8b..c39c5c37f4e8 100644
--- linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/common.c
+++ linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/common.c
@@ -1232,6 +1232,8 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = {
 #define ITS		BIT(8)
 /* CPU is affected by Indirect Target Selection, but guest-host isolation is not affected */
 #define ITS_NATIVE_ONLY	BIT(9)
+/* CPU is affected by Transient Scheduler Attacks */
+#define TSA		BIT(10)
 
 static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
 	VULNBL_INTEL_STEPS(INTEL_IVYBRIDGE,	     X86_STEP_MAX,	SRBDS),
@@ -1279,7 +1281,7 @@ static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
 	VULNBL_AMD(0x16, RETBLEED),
 	VULNBL_AMD(0x17, RETBLEED | SMT_RSB | SRSO),
 	VULNBL_HYGON(0x18, RETBLEED | SMT_RSB | SRSO),
-	VULNBL_AMD(0x19, SRSO),
+	VULNBL_AMD(0x19, SRSO | TSA),
 	VULNBL_AMD(0x1a, SRSO),
 	{}
 };
@@ -1492,6 +1494,16 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
 			setup_force_cpu_bug(X86_BUG_ITS_NATIVE_ONLY);
 	}
 
+	if (c->x86_vendor == X86_VENDOR_AMD) {
+		if (!cpu_has(c, X86_FEATURE_TSA_SQ_NO) ||
+		    !cpu_has(c, X86_FEATURE_TSA_L1_NO)) {
+			if (cpu_matches(cpu_vuln_blacklist, TSA) ||
+			    /* Enable bug on Zen guests to allow for live migration. */
+			    (cpu_has(c, X86_FEATURE_HYPERVISOR) && cpu_has(c, X86_FEATURE_ZEN)))
+				setup_force_cpu_bug(X86_BUG_TSA);
+		}
+	}
+
 	if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN))
 		return;
 
diff --git linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/microcode/amd_shas.c linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/microcode/amd_shas.c
index 2a1655b1fdd8..1fd349cfc802 100644
--- linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/microcode/amd_shas.c
+++ linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/microcode/amd_shas.c
@@ -231,6 +231,13 @@ static const struct patch_digest phashes[] = {
 		0x0d,0x5b,0x65,0x34,0x69,0xb2,0x62,0x21,
 	}
  },
+ { 0xa0011d7, {
+                0x35,0x07,0xcd,0x40,0x94,0xbc,0x81,0x6b,
+                0xfc,0x61,0x56,0x1a,0xe2,0xdb,0x96,0x12,
+                0x1c,0x1c,0x31,0xb1,0x02,0x6f,0xe5,0xd2,
+                0xfe,0x1b,0x04,0x03,0x2c,0x8f,0x4c,0x36,
+        }
+ },
  { 0xa001223, {
 		0xfb,0x32,0x5f,0xc6,0x83,0x4f,0x8c,0xb8,
 		0xa4,0x05,0xf9,0x71,0x53,0x01,0x16,0xc4,
@@ -294,6 +301,13 @@ static const struct patch_digest phashes[] = {
 		0xc0,0xcd,0x33,0xf2,0x8d,0xf9,0xef,0x59,
 	}
  },
+ { 0xa00123b, {
+		0xef,0xa1,0x1e,0x71,0xf1,0xc3,0x2c,0xe2,
+		0xc3,0xef,0x69,0x41,0x7a,0x54,0xca,0xc3,
+		0x8f,0x62,0x84,0xee,0xc2,0x39,0xd9,0x28,
+		0x95,0xa7,0x12,0x49,0x1e,0x30,0x71,0x72,
+	}
+ },
  { 0xa00820c, {
 		0xa8,0x0c,0x81,0xc0,0xa6,0x00,0xe7,0xf3,
 		0x5f,0x65,0xd3,0xb9,0x6f,0xea,0x93,0x63,
@@ -301,6 +315,13 @@ static const struct patch_digest phashes[] = {
 		0xe1,0x3b,0x8d,0xb2,0xf8,0x22,0x03,0xe2,
 	}
  },
+ { 0xa00820d, {
+		0xf9,0x2a,0xc0,0xf4,0x9e,0xa4,0x87,0xa4,
+		0x7d,0x87,0x00,0xfd,0xab,0xda,0x19,0xca,
+		0x26,0x51,0x32,0xc1,0x57,0x91,0xdf,0xc1,
+		0x05,0xeb,0x01,0x7c,0x5a,0x95,0x21,0xb7,
+	}
+ },
  { 0xa10113e, {
 		0x05,0x3c,0x66,0xd7,0xa9,0x5a,0x33,0x10,
 		0x1b,0xf8,0x9c,0x8f,0xed,0xfc,0xa7,0xa0,
@@ -322,6 +343,13 @@ static const struct patch_digest phashes[] = {
 		0xf1,0x5e,0xb0,0xde,0xb4,0x98,0xae,0xc4,
 	}
  },
+ { 0xa10114c, {
+		0x9e,0xb6,0xa2,0xd9,0x87,0x38,0xc5,0x64,
+		0xd8,0x88,0xfa,0x78,0x98,0xf9,0x6f,0x74,
+		0x39,0x90,0x1b,0xa5,0xcf,0x5e,0xb4,0x2a,
+		0x02,0xff,0xd4,0x8c,0x71,0x8b,0xe2,0xc0,
+	}
+ },
  { 0xa10123e, {
 		0x03,0xb9,0x2c,0x76,0x48,0x93,0xc9,0x18,
 		0xfb,0x56,0xfd,0xf7,0xe2,0x1d,0xca,0x4d,
@@ -343,6 +371,13 @@ static const struct patch_digest phashes[] = {
 		0x1b,0x7d,0x64,0x9d,0x4b,0x53,0x13,0x75,
 	}
  },
+ { 0xa10124c, {
+		0x29,0xea,0xf1,0x2c,0xb2,0xe4,0xef,0x90,
+		0xa4,0xcd,0x1d,0x86,0x97,0x17,0x61,0x46,
+		0xfc,0x22,0xcb,0x57,0x75,0x19,0xc8,0xcc,
+		0x0c,0xf5,0xbc,0xac,0x81,0x9d,0x9a,0xd2,
+	}
+ },
  { 0xa108108, {
 		0xed,0xc2,0xec,0xa1,0x15,0xc6,0x65,0xe9,
 		0xd0,0xef,0x39,0xaa,0x7f,0x55,0x06,0xc6,
@@ -350,6 +385,13 @@ static const struct patch_digest phashes[] = {
 		0x28,0x1e,0x9c,0x59,0x69,0x99,0x4d,0x16,
 	}
  },
+ { 0xa108109, {
+		0x85,0xb4,0xbd,0x7c,0x49,0xa7,0xbd,0xfa,
+		0x49,0x36,0x80,0x81,0xc5,0xb7,0x39,0x1b,
+		0x9a,0xaa,0x50,0xde,0x9b,0xe9,0x32,0x35,
+		0x42,0x7e,0x51,0x4f,0x52,0x2c,0x28,0x59,
+	}
+ },
  { 0xa20102d, {
 		0xf9,0x6e,0xf2,0x32,0xd3,0x0f,0x5f,0x11,
 		0x59,0xa1,0xfe,0xcc,0xcd,0x9b,0x42,0x89,
@@ -357,6 +399,13 @@ static const struct patch_digest phashes[] = {
 		0x8c,0xe9,0x19,0x3e,0xcc,0x3f,0x7b,0xb4,
 	}
  },
+ { 0xa20102e, {
+		0xbe,0x1f,0x32,0x04,0x0d,0x3c,0x9c,0xdd,
+		0xe1,0xa4,0xbf,0x76,0x3a,0xec,0xc2,0xf6,
+		0x11,0x00,0xa7,0xaf,0x0f,0xe5,0x02,0xc5,
+		0x54,0x3a,0x1f,0x8c,0x16,0xb5,0xff,0xbe,
+	}
+ },
  { 0xa201210, {
 		0xe8,0x6d,0x51,0x6a,0x8e,0x72,0xf3,0xfe,
 		0x6e,0x16,0xbc,0x62,0x59,0x40,0x17,0xe9,
@@ -364,6 +413,13 @@ static const struct patch_digest phashes[] = {
 		0xf7,0x55,0xf0,0x13,0xbb,0x22,0xf6,0x41,
 	}
  },
+ { 0xa201211, {
+		0x69,0xa1,0x17,0xec,0xd0,0xf6,0x6c,0x95,
+		0xe2,0x1e,0xc5,0x59,0x1a,0x52,0x0a,0x27,
+		0xc4,0xed,0xd5,0x59,0x1f,0xbf,0x00,0xff,
+		0x08,0x88,0xb5,0xe1,0x12,0xb6,0xcc,0x27,
+	}
+ },
  { 0xa404107, {
 		0xbb,0x04,0x4e,0x47,0xdd,0x5e,0x26,0x45,
 		0x1a,0xc9,0x56,0x24,0xa4,0x4c,0x82,0xb0,
@@ -371,6 +427,13 @@ static const struct patch_digest phashes[] = {
 		0x13,0xbc,0xc5,0x25,0xe4,0xc5,0xc3,0x99,
 	}
  },
+ { 0xa404108, {
+		0x69,0x67,0x43,0x06,0xf8,0x0c,0x62,0xdc,
+		0xa4,0x21,0x30,0x4f,0x0f,0x21,0x2c,0xcb,
+		0xcc,0x37,0xf1,0x1c,0xc3,0xf8,0x2f,0x19,
+		0xdf,0x53,0x53,0x46,0xb1,0x15,0xea,0x00,
+	}
+ },
  { 0xa500011, {
 		0x23,0x3d,0x70,0x7d,0x03,0xc3,0xc4,0xf4,
 		0x2b,0x82,0xc6,0x05,0xda,0x80,0x0a,0xf1,
@@ -378,6 +441,13 @@ static const struct patch_digest phashes[] = {
 		0x11,0x5e,0x96,0x7e,0x71,0xe9,0xfc,0x74,
 	}
  },
+ { 0xa500012, {
+		0xeb,0x74,0x0d,0x47,0xa1,0x8e,0x09,0xe4,
+		0x93,0x4c,0xad,0x03,0x32,0x4c,0x38,0x16,
+		0x10,0x39,0xdd,0x06,0xaa,0xce,0xd6,0x0f,
+		0x62,0x83,0x9d,0x8e,0x64,0x55,0xbe,0x63,
+	}
+ },
  { 0xa601209, {
 		0x66,0x48,0xd4,0x09,0x05,0xcb,0x29,0x32,
 		0x66,0xb7,0x9a,0x76,0xcd,0x11,0xf3,0x30,
@@ -385,6 +455,13 @@ static const struct patch_digest phashes[] = {
 		0xe8,0x73,0xe2,0xd6,0xdb,0xd2,0x77,0x1d,
 	}
  },
+ { 0xa60120a, {
+		0x0c,0x8b,0x3d,0xfd,0x52,0x52,0x85,0x7d,
+		0x20,0x3a,0xe1,0x7e,0xa4,0x21,0x3b,0x7b,
+		0x17,0x86,0xae,0xac,0x13,0xb8,0x63,0x9d,
+		0x06,0x01,0xd0,0xa0,0x51,0x9a,0x91,0x2c,
+	}
+ },
  { 0xa704107, {
 		0xf3,0xc6,0x58,0x26,0xee,0xac,0x3f,0xd6,
 		0xce,0xa1,0x72,0x47,0x3b,0xba,0x2b,0x93,
@@ -392,6 +469,13 @@ static const struct patch_digest phashes[] = {
 		0x64,0x39,0x71,0x8c,0xce,0xe7,0x41,0x39,
 	}
  },
+ { 0xa704108, {
+		0xd7,0x55,0x15,0x2b,0xfe,0xc4,0xbc,0x93,
+		0xec,0x91,0xa0,0xae,0x45,0xb7,0xc3,0x98,
+		0x4e,0xff,0x61,0x77,0x88,0xc2,0x70,0x49,
+		0xe0,0x3a,0x1d,0x84,0x38,0x52,0xbf,0x5a,
+	}
+ },
  { 0xa705206, {
 		0x8d,0xc0,0x76,0xbd,0x58,0x9f,0x8f,0xa4,
 		0x12,0x9d,0x21,0xfb,0x48,0x21,0xbc,0xe7,
@@ -399,6 +483,13 @@ static const struct patch_digest phashes[] = {
 		0x03,0x35,0xe9,0xbe,0xfb,0x06,0xdf,0xfc,
 	}
  },
+ { 0xa705208, {
+		0x30,0x1d,0x55,0x24,0xbc,0x6b,0x5a,0x19,
+		0x0c,0x7d,0x1d,0x74,0xaa,0xd1,0xeb,0xd2,
+		0x16,0x62,0xf7,0x5b,0xe1,0x1f,0x18,0x11,
+		0x5c,0xf0,0x94,0x90,0x26,0xec,0x69,0xff,
+	}
+ },
  { 0xa708007, {
 		0x6b,0x76,0xcc,0x78,0xc5,0x8a,0xa3,0xe3,
 		0x32,0x2d,0x79,0xe4,0xc3,0x80,0xdb,0xb2,
@@ -406,6 +497,13 @@ static const struct patch_digest phashes[] = {
 		0xdf,0x92,0x73,0x84,0x87,0x3c,0x73,0x93,
 	}
  },
+ { 0xa708008, {
+		0x08,0x6e,0xf0,0x22,0x4b,0x8e,0xc4,0x46,
+		0x58,0x34,0xe6,0x47,0xa2,0x28,0xfd,0xab,
+		0x22,0x3d,0xdd,0xd8,0x52,0x9e,0x1d,0x16,
+		0xfa,0x01,0x68,0x14,0x79,0x3e,0xe8,0x6b,
+	}
+ },
  { 0xa70c005, {
 		0x88,0x5d,0xfb,0x79,0x64,0xd8,0x46,0x3b,
 		0x4a,0x83,0x8e,0x77,0x7e,0xcf,0xb3,0x0f,
@@ -413,6 +511,13 @@ static const struct patch_digest phashes[] = {
 		0xee,0x49,0xac,0xe1,0x8b,0x13,0xc5,0x13,
 	}
  },
+ { 0xa70c008, {
+		0x0f,0xdb,0x37,0xa1,0x10,0xaf,0xd4,0x21,
+		0x94,0x0d,0xa4,0xa2,0xe9,0x86,0x6c,0x0e,
+		0x85,0x7c,0x36,0x30,0xa3,0x3a,0x78,0x66,
+		0x18,0x10,0x60,0x0d,0x78,0x3d,0x44,0xd0,
+	}
+ },
  { 0xaa00116, {
 		0xe8,0x4c,0x2c,0x88,0xa1,0xac,0x24,0x63,
 		0x65,0xe5,0xaa,0x2d,0x16,0xa9,0xc3,0xf5,
@@ -441,4 +546,11 @@ static const struct patch_digest phashes[] = {
 		0x68,0x2f,0x46,0xee,0xfe,0xc6,0x6d,0xef,
 	}
  },
+ { 0xaa00216, {
+		0x79,0xfb,0x5b,0x9f,0xb6,0xe6,0xa8,0xf5,
+		0x4e,0x7c,0x4f,0x8e,0x1d,0xad,0xd0,0x08,
+		0xc2,0x43,0x7c,0x8b,0xe6,0xdb,0xd0,0xd2,
+		0xe8,0x39,0x26,0xc1,0xe5,0x5a,0x48,0xf1,
+	}
+ },
 };
diff --git linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/scattered.c linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/scattered.c
index 16f3ca30626a..8e1b087ca936 100644
--- linux-libre-6.15.5-gnu/arch/x86/kernel/cpu/scattered.c
+++ linux-libre-6.15.6-gnu/arch/x86/kernel/cpu/scattered.c
@@ -49,6 +49,8 @@ static const struct cpuid_bit cpuid_bits[] = {
 	{ X86_FEATURE_MBA,			CPUID_EBX,  6, 0x80000008, 0 },
 	{ X86_FEATURE_SMBA,			CPUID_EBX,  2, 0x80000020, 0 },
 	{ X86_FEATURE_BMEC,			CPUID_EBX,  3, 0x80000020, 0 },
+	{ X86_FEATURE_TSA_SQ_NO,		CPUID_ECX,  1, 0x80000021, 0 },
+	{ X86_FEATURE_TSA_L1_NO,		CPUID_ECX,  2, 0x80000021, 0 },
 	{ X86_FEATURE_AMD_WORKLOAD_CLASS,	CPUID_EAX, 22, 0x80000021, 0 },
 	{ X86_FEATURE_PERFMON_V2,		CPUID_EAX,  0, 0x80000022, 0 },
 	{ X86_FEATURE_AMD_LBR_V2,		CPUID_EAX,  1, 0x80000022, 0 },
diff --git linux-libre-6.15.5-gnu/arch/x86/kernel/process.c linux-libre-6.15.6-gnu/arch/x86/kernel/process.c
index 4940fcd40925..bc61a09b5a66 100644
--- linux-libre-6.15.5-gnu/arch/x86/kernel/process.c
+++ linux-libre-6.15.6-gnu/arch/x86/kernel/process.c
@@ -912,16 +912,24 @@ static __init bool prefer_mwait_c1_over_halt(void)
  */
 static __cpuidle void mwait_idle(void)
 {
+	if (need_resched())
+		return;
+
+	x86_idle_clear_cpu_buffers();
+
 	if (!current_set_polling_and_test()) {
 		const void *addr = &current_thread_info()->flags;
 
 		alternative_input("", "clflush (%[addr])", X86_BUG_CLFLUSH_MONITOR, [addr] "a" (addr));
 		__monitor(addr, 0, 0);
-		if (!need_resched()) {
-			__sti_mwait(0, 0);
-			raw_local_irq_disable();
-		}
+		if (need_resched())
+			goto out;
+
+		__sti_mwait(0, 0);
+		raw_local_irq_disable();
 	}
+
+out:
 	__current_clr_polling();
 }
 
diff --git linux-libre-6.15.5-gnu/arch/x86/kvm/cpuid.c linux-libre-6.15.6-gnu/arch/x86/kvm/cpuid.c
index 571c906ffcbf..77be71967725 100644
--- linux-libre-6.15.5-gnu/arch/x86/kvm/cpuid.c
+++ linux-libre-6.15.6-gnu/arch/x86/kvm/cpuid.c
@@ -1164,6 +1164,7 @@ void kvm_set_cpu_caps(void)
 
 	kvm_cpu_cap_init(CPUID_8000_0021_EAX,
 		F(NO_NESTED_DATA_BP),
+		F(WRMSR_XX_BASE_NS),
 		/*
 		 * Synthesize "LFENCE is serializing" into the AMD-defined entry
 		 * in KVM's supported CPUID, i.e. if the feature is reported as
@@ -1176,17 +1177,26 @@ void kvm_set_cpu_caps(void)
 		 */
 		SYNTHESIZED_F(LFENCE_RDTSC),
 		/* SmmPgCfgLock */
+		/* 4: Resv */
+		SYNTHESIZED_F(VERW_CLEAR),
 		F(NULL_SEL_CLR_BASE),
+		/* UpperAddressIgnore */
 		F(AUTOIBRS),
 		EMULATED_F(NO_SMM_CTL_MSR),
 		/* PrefetchCtlMsr */
-		F(WRMSR_XX_BASE_NS),
+		/* GpOnUserCpuid */
+		/* EPSF */
 		SYNTHESIZED_F(SBPB),
 		SYNTHESIZED_F(IBPB_BRTYPE),
 		SYNTHESIZED_F(SRSO_NO),
 		F(SRSO_USER_KERNEL_NO),
 	);
 
+	kvm_cpu_cap_init(CPUID_8000_0021_ECX,
+		SYNTHESIZED_F(TSA_SQ_NO),
+		SYNTHESIZED_F(TSA_L1_NO),
+	);
+
 	kvm_cpu_cap_init(CPUID_8000_0022_EAX,
 		F(PERFMON_V2),
 	);
@@ -1756,8 +1766,9 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
 		entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
 		break;
 	case 0x80000021:
-		entry->ebx = entry->ecx = entry->edx = 0;
+		entry->ebx = entry->edx = 0;
 		cpuid_entry_override(entry, CPUID_8000_0021_EAX);
+		cpuid_entry_override(entry, CPUID_8000_0021_ECX);
 		break;
 	/* AMD Extended Performance Monitoring and Debug */
 	case 0x80000022: {
diff --git linux-libre-6.15.5-gnu/arch/x86/kvm/reverse_cpuid.h linux-libre-6.15.6-gnu/arch/x86/kvm/reverse_cpuid.h
index fde0ae986003..c53b92379e6e 100644
--- linux-libre-6.15.5-gnu/arch/x86/kvm/reverse_cpuid.h
+++ linux-libre-6.15.6-gnu/arch/x86/kvm/reverse_cpuid.h
@@ -52,6 +52,10 @@
 /* CPUID level 0x80000022 (EAX) */
 #define KVM_X86_FEATURE_PERFMON_V2	KVM_X86_FEATURE(CPUID_8000_0022_EAX, 0)
 
+/* CPUID level 0x80000021 (ECX) */
+#define KVM_X86_FEATURE_TSA_SQ_NO	KVM_X86_FEATURE(CPUID_8000_0021_ECX, 1)
+#define KVM_X86_FEATURE_TSA_L1_NO	KVM_X86_FEATURE(CPUID_8000_0021_ECX, 2)
+
 struct cpuid_reg {
 	u32 function;
 	u32 index;
@@ -82,6 +86,7 @@ static const struct cpuid_reg reverse_cpuid[] = {
 	[CPUID_8000_0022_EAX] = {0x80000022, 0, CPUID_EAX},
 	[CPUID_7_2_EDX]       = {         7, 2, CPUID_EDX},
 	[CPUID_24_0_EBX]      = {      0x24, 0, CPUID_EBX},
+	[CPUID_8000_0021_ECX] = {0x80000021, 0, CPUID_ECX},
 };
 
 /*
@@ -121,6 +126,8 @@ static __always_inline u32 __feature_translate(int x86_feature)
 	KVM_X86_TRANSLATE_FEATURE(PERFMON_V2);
 	KVM_X86_TRANSLATE_FEATURE(RRSBA_CTRL);
 	KVM_X86_TRANSLATE_FEATURE(BHI_CTRL);
+	KVM_X86_TRANSLATE_FEATURE(TSA_SQ_NO);
+	KVM_X86_TRANSLATE_FEATURE(TSA_L1_NO);
 	default:
 		return x86_feature;
 	}
diff --git linux-libre-6.15.5-gnu/arch/x86/kvm/svm/vmenter.S linux-libre-6.15.6-gnu/arch/x86/kvm/svm/vmenter.S
index 0c61153b275f..235c4af6b692 100644
--- linux-libre-6.15.5-gnu/arch/x86/kvm/svm/vmenter.S
+++ linux-libre-6.15.6-gnu/arch/x86/kvm/svm/vmenter.S
@@ -169,6 +169,9 @@ SYM_FUNC_START(__svm_vcpu_run)
 #endif
 	mov VCPU_RDI(%_ASM_DI), %_ASM_DI
 
+	/* Clobbers EFLAGS.ZF */
+	VM_CLEAR_CPU_BUFFERS
+
 	/* Enter guest mode */
 3:	vmrun %_ASM_AX
 4:
@@ -335,6 +338,9 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
 	mov SVM_current_vmcb(%rdi), %rax
 	mov KVM_VMCB_pa(%rax), %rax
 
+	/* Clobbers EFLAGS.ZF */
+	VM_CLEAR_CPU_BUFFERS
+
 	/* Enter guest mode */
 1:	vmrun %rax
 2:
diff --git linux-libre-6.15.5-gnu/arch/x86/kvm/vmx/vmx.c linux-libre-6.15.6-gnu/arch/x86/kvm/vmx/vmx.c
index 0b66b856d673..eec0aa13e002 100644
--- linux-libre-6.15.5-gnu/arch/x86/kvm/vmx/vmx.c
+++ linux-libre-6.15.6-gnu/arch/x86/kvm/vmx/vmx.c
@@ -7366,7 +7366,7 @@ static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
 		vmx_l1d_flush(vcpu);
 	else if (static_branch_unlikely(&mmio_stale_data_clear) &&
 		 kvm_arch_has_assigned_device(vcpu->kvm))
-		mds_clear_cpu_buffers();
+		x86_clear_cpu_buffers();
 
 	vmx_disable_fb_clear(vmx);
 
diff --git linux-libre-6.15.5-gnu/drivers/acpi/acpica/dsmethod.c linux-libre-6.15.6-gnu/drivers/acpi/acpica/dsmethod.c
index e809c2aed78a..a232746d150a 100644
--- linux-libre-6.15.5-gnu/drivers/acpi/acpica/dsmethod.c
+++ linux-libre-6.15.6-gnu/drivers/acpi/acpica/dsmethod.c
@@ -483,6 +483,13 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
 		return_ACPI_STATUS(AE_NULL_OBJECT);
 	}
 
+	if (this_walk_state->num_operands < obj_desc->method.param_count) {
+		ACPI_ERROR((AE_INFO, "Missing argument for method [%4.4s]",
+			    acpi_ut_get_node_name(method_node)));
+
+		return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
+	}
+
 	/* Init for new method, possibly wait on method mutex */
 
 	status =
diff --git linux-libre-6.15.5-gnu/drivers/ata/libata-acpi.c linux-libre-6.15.6-gnu/drivers/ata/libata-acpi.c
index b7f0bf795521..f2140fc06ba0 100644
--- linux-libre-6.15.5-gnu/drivers/ata/libata-acpi.c
+++ linux-libre-6.15.6-gnu/drivers/ata/libata-acpi.c
@@ -514,15 +514,19 @@ unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev,
 EXPORT_SYMBOL_GPL(ata_acpi_gtm_xfermask);
 
 /**
- * ata_acpi_cbl_80wire		-	Check for 80 wire cable
+ * ata_acpi_cbl_pata_type - Return PATA cable type
  * @ap: Port to check
- * @gtm: GTM data to use
  *
- * Return 1 if the @gtm indicates the BIOS selected an 80wire mode.
+ * Return ATA_CBL_PATA* according to the transfer mode selected by BIOS
  */
-int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm)
+int ata_acpi_cbl_pata_type(struct ata_port *ap)
 {
 	struct ata_device *dev;
+	int ret = ATA_CBL_PATA_UNK;
+	const struct ata_acpi_gtm *gtm = ata_acpi_init_gtm(ap);
+
+	if (!gtm)
+		return ATA_CBL_PATA40;
 
 	ata_for_each_dev(dev, &ap->link, ENABLED) {
 		unsigned int xfer_mask, udma_mask;
@@ -530,13 +534,17 @@ int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm)
 		xfer_mask = ata_acpi_gtm_xfermask(dev, gtm);
 		ata_unpack_xfermask(xfer_mask, NULL, NULL, &udma_mask);
 
-		if (udma_mask & ~ATA_UDMA_MASK_40C)
-			return 1;
+		ret = ATA_CBL_PATA40;
+
+		if (udma_mask & ~ATA_UDMA_MASK_40C) {
+			ret = ATA_CBL_PATA80;
+			break;
+		}
 	}
 
-	return 0;
+	return ret;
 }
-EXPORT_SYMBOL_GPL(ata_acpi_cbl_80wire);
+EXPORT_SYMBOL_GPL(ata_acpi_cbl_pata_type);
 
 static void ata_acpi_gtf_to_tf(struct ata_device *dev,
 			       const struct ata_acpi_gtf *gtf,
diff --git linux-libre-6.15.5-gnu/drivers/ata/pata_cs5536.c linux-libre-6.15.6-gnu/drivers/ata/pata_cs5536.c
index b811efd2cc34..73e81e160c91 100644
--- linux-libre-6.15.5-gnu/drivers/ata/pata_cs5536.c
+++ linux-libre-6.15.6-gnu/drivers/ata/pata_cs5536.c
@@ -27,7 +27,7 @@
 #include <scsi/scsi_host.h>
 #include <linux/dmi.h>
 
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86) && defined(CONFIG_X86_32)
 #include <asm/msr.h>
 static int use_msr;
 module_param_named(msr, use_msr, int, 0644);
diff --git linux-libre-6.15.5-gnu/drivers/ata/pata_via.c linux-libre-6.15.6-gnu/drivers/ata/pata_via.c
index d82728a01832..bb80e7800dcb 100644
--- linux-libre-6.15.5-gnu/drivers/ata/pata_via.c
+++ linux-libre-6.15.6-gnu/drivers/ata/pata_via.c
@@ -201,11 +201,9 @@ static int via_cable_detect(struct ata_port *ap) {
 	   two drives */
 	if (ata66 & (0x10100000 >> (16 * ap->port_no)))
 		return ATA_CBL_PATA80;
+
 	/* Check with ACPI so we can spot BIOS reported SATA bridges */
-	if (ata_acpi_init_gtm(ap) &&
-	    ata_acpi_cbl_80wire(ap, ata_acpi_init_gtm(ap)))
-		return ATA_CBL_PATA80;
-	return ATA_CBL_PATA40;
+	return ata_acpi_cbl_pata_type(ap);
 }
 
 static int via_pre_reset(struct ata_link *link, unsigned long deadline)
diff --git linux-libre-6.15.5-gnu/drivers/base/cpu.c linux-libre-6.15.6-gnu/drivers/base/cpu.c
index 50651435577c..a79a57dc571f 100644
--- linux-libre-6.15.5-gnu/drivers/base/cpu.c
+++ linux-libre-6.15.6-gnu/drivers/base/cpu.c
@@ -601,6 +601,7 @@ CPU_SHOW_VULN_FALLBACK(gds);
 CPU_SHOW_VULN_FALLBACK(reg_file_data_sampling);
 CPU_SHOW_VULN_FALLBACK(ghostwrite);
 CPU_SHOW_VULN_FALLBACK(indirect_target_selection);
+CPU_SHOW_VULN_FALLBACK(tsa);
 
 static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL);
 static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL);
@@ -618,6 +619,7 @@ static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL);
 static DEVICE_ATTR(reg_file_data_sampling, 0444, cpu_show_reg_file_data_sampling, NULL);
 static DEVICE_ATTR(ghostwrite, 0444, cpu_show_ghostwrite, NULL);
 static DEVICE_ATTR(indirect_target_selection, 0444, cpu_show_indirect_target_selection, NULL);
+static DEVICE_ATTR(tsa, 0444, cpu_show_tsa, NULL);
 
 static struct attribute *cpu_root_vulnerabilities_attrs[] = {
 	&dev_attr_meltdown.attr,
@@ -636,6 +638,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = {
 	&dev_attr_reg_file_data_sampling.attr,
 	&dev_attr_ghostwrite.attr,
 	&dev_attr_indirect_target_selection.attr,
+	&dev_attr_tsa.attr,
 	NULL
 };
 
diff --git linux-libre-6.15.5-gnu/drivers/block/aoe/aoe.h linux-libre-6.15.6-gnu/drivers/block/aoe/aoe.h
index 749ae1246f4c..d35caa3c69e1 100644
--- linux-libre-6.15.5-gnu/drivers/block/aoe/aoe.h
+++ linux-libre-6.15.6-gnu/drivers/block/aoe/aoe.h
@@ -80,6 +80,7 @@ enum {
 	DEVFL_NEWSIZE = (1<<6),	/* need to update dev size in block layer */
 	DEVFL_FREEING = (1<<7),	/* set when device is being cleaned up */
 	DEVFL_FREED = (1<<8),	/* device has been cleaned up */
+	DEVFL_DEAD = (1<<9),	/* device has timed out of aoe_deadsecs */
 };
 
 enum {
diff --git linux-libre-6.15.5-gnu/drivers/block/aoe/aoecmd.c linux-libre-6.15.6-gnu/drivers/block/aoe/aoecmd.c
index 92b06d1de4cc..6c94cfd1c480 100644
--- linux-libre-6.15.5-gnu/drivers/block/aoe/aoecmd.c
+++ linux-libre-6.15.6-gnu/drivers/block/aoe/aoecmd.c
@@ -754,7 +754,7 @@ rexmit_timer(struct timer_list *timer)
 
 	utgts = count_targets(d, NULL);
 
-	if (d->flags & DEVFL_TKILL) {
+	if (d->flags & (DEVFL_TKILL | DEVFL_DEAD)) {
 		spin_unlock_irqrestore(&d->lock, flags);
 		return;
 	}
@@ -786,7 +786,8 @@ rexmit_timer(struct timer_list *timer)
 			 * to clean up.
 			 */
 			list_splice(&flist, &d->factive[0]);
-			aoedev_downdev(d);
+			d->flags |= DEVFL_DEAD;
+			queue_work(aoe_wq, &d->work);
 			goto out;
 		}
 
@@ -898,6 +899,9 @@ aoecmd_sleepwork(struct work_struct *work)
 {
 	struct aoedev *d = container_of(work, struct aoedev, work);
 
+	if (d->flags & DEVFL_DEAD)
+		aoedev_downdev(d);
+
 	if (d->flags & DEVFL_GDALLOC)
 		aoeblk_gdalloc(d);
 
diff --git linux-libre-6.15.5-gnu/drivers/block/aoe/aoedev.c linux-libre-6.15.6-gnu/drivers/block/aoe/aoedev.c
index 8c18034cb3d6..9b66f8ebce50 100644
--- linux-libre-6.15.5-gnu/drivers/block/aoe/aoedev.c
+++ linux-libre-6.15.6-gnu/drivers/block/aoe/aoedev.c
@@ -200,8 +200,11 @@ aoedev_downdev(struct aoedev *d)
 	struct list_head *head, *pos, *nx;
 	struct request *rq, *rqnext;
 	int i;
+	unsigned long flags;
 
-	d->flags &= ~DEVFL_UP;
+	spin_lock_irqsave(&d->lock, flags);
+	d->flags &= ~(DEVFL_UP | DEVFL_DEAD);
+	spin_unlock_irqrestore(&d->lock, flags);
 
 	/* clean out active and to-be-retransmitted buffers */
 	for (i = 0; i < NFACTIVE; i++) {
diff --git linux-libre-6.15.5-gnu/drivers/dma-buf/dma-resv.c linux-libre-6.15.6-gnu/drivers/dma-buf/dma-resv.c
index b1ef4546346d..bea3e9858aca 100644
--- linux-libre-6.15.5-gnu/drivers/dma-buf/dma-resv.c
+++ linux-libre-6.15.6-gnu/drivers/dma-buf/dma-resv.c
@@ -685,11 +685,13 @@ long dma_resv_wait_timeout(struct dma_resv *obj, enum dma_resv_usage usage,
 	dma_resv_iter_begin(&cursor, obj, usage);
 	dma_resv_for_each_fence_unlocked(&cursor, fence) {
 
-		ret = dma_fence_wait_timeout(fence, intr, ret);
-		if (ret <= 0) {
-			dma_resv_iter_end(&cursor);
-			return ret;
-		}
+		ret = dma_fence_wait_timeout(fence, intr, timeout);
+		if (ret <= 0)
+			break;
+
+		/* Even for zero timeout the return value is 1 */
+		if (timeout)
+			timeout = ret;
 	}
 	dma_resv_iter_end(&cursor);
 
diff --git linux-libre-6.15.5-gnu/drivers/firmware/arm_ffa/driver.c linux-libre-6.15.6-gnu/drivers/firmware/arm_ffa/driver.c
index fe55613a8ea9..37eb2e6c2f9f 100644
--- linux-libre-6.15.5-gnu/drivers/firmware/arm_ffa/driver.c
+++ linux-libre-6.15.6-gnu/drivers/firmware/arm_ffa/driver.c
@@ -110,7 +110,7 @@ struct ffa_drv_info {
 	struct work_struct sched_recv_irq_work;
 	struct xarray partition_info;
 	DECLARE_HASHTABLE(notifier_hash, ilog2(FFA_MAX_NOTIFICATIONS));
-	struct mutex notify_lock; /* lock to protect notifier hashtable  */
+	rwlock_t notify_lock; /* lock to protect notifier hashtable  */
 };
 
 static struct ffa_drv_info *drv_info;
@@ -1250,13 +1250,12 @@ notifier_hnode_get_by_type(u16 notify_id, enum notify_type type)
 	return NULL;
 }
 
-static int
-update_notifier_cb(struct ffa_device *dev, int notify_id, void *cb,
-		   void *cb_data, bool is_registration, bool is_framework)
+static int update_notifier_cb(struct ffa_device *dev, int notify_id,
+			      struct notifier_cb_info *cb, bool is_framework)
 {
 	struct notifier_cb_info *cb_info = NULL;
 	enum notify_type type = ffa_notify_type_get(dev->vm_id);
-	bool cb_found;
+	bool cb_found, is_registration = !!cb;
 
 	if (is_framework)
 		cb_info = notifier_hnode_get_by_vmid_uuid(notify_id, dev->vm_id,
@@ -1270,20 +1269,10 @@ update_notifier_cb(struct ffa_device *dev, int notify_id, void *cb,
 		return -EINVAL;
 
 	if (is_registration) {
-		cb_info = kzalloc(sizeof(*cb_info), GFP_KERNEL);
-		if (!cb_info)
-			return -ENOMEM;
-
-		cb_info->dev = dev;
-		cb_info->cb_data = cb_data;
-		if (is_framework)
-			cb_info->fwk_cb = cb;
-		else
-			cb_info->cb = cb;
-
-		hash_add(drv_info->notifier_hash, &cb_info->hnode, notify_id);
+		hash_add(drv_info->notifier_hash, &cb->hnode, notify_id);
 	} else {
 		hash_del(&cb_info->hnode);
+		kfree(cb_info);
 	}
 
 	return 0;
@@ -1300,20 +1289,19 @@ static int __ffa_notify_relinquish(struct ffa_device *dev, int notify_id,
 	if (notify_id >= FFA_MAX_NOTIFICATIONS)
 		return -EINVAL;
 
-	mutex_lock(&drv_info->notify_lock);
+	write_lock(&drv_info->notify_lock);
 
-	rc = update_notifier_cb(dev, notify_id, NULL, NULL, false,
-				is_framework);
+	rc = update_notifier_cb(dev, notify_id, NULL, is_framework);
 	if (rc) {
 		pr_err("Could not unregister notification callback\n");
-		mutex_unlock(&drv_info->notify_lock);
+		write_unlock(&drv_info->notify_lock);
 		return rc;
 	}
 
 	if (!is_framework)
 		rc = ffa_notification_unbind(dev->vm_id, BIT(notify_id));
 
-	mutex_unlock(&drv_info->notify_lock);
+	write_unlock(&drv_info->notify_lock);
 
 	return rc;
 }
@@ -1334,6 +1322,7 @@ static int __ffa_notify_request(struct ffa_device *dev, bool is_per_vcpu,
 {
 	int rc;
 	u32 flags = 0;
+	struct notifier_cb_info *cb_info = NULL;
 
 	if (ffa_notifications_disabled())
 		return -EOPNOTSUPP;
@@ -1341,28 +1330,40 @@ static int __ffa_notify_request(struct ffa_device *dev, bool is_per_vcpu,
 	if (notify_id >= FFA_MAX_NOTIFICATIONS)
 		return -EINVAL;
 
-	mutex_lock(&drv_info->notify_lock);
+	cb_info = kzalloc(sizeof(*cb_info), GFP_KERNEL);
+	if (!cb_info)
+		return -ENOMEM;
+
+	cb_info->dev = dev;
+	cb_info->cb_data = cb_data;
+	if (is_framework)
+		cb_info->fwk_cb = cb;
+	else
+		cb_info->cb = cb;
+
+	write_lock(&drv_info->notify_lock);
 
 	if (!is_framework) {
 		if (is_per_vcpu)
 			flags = PER_VCPU_NOTIFICATION_FLAG;
 
 		rc = ffa_notification_bind(dev->vm_id, BIT(notify_id), flags);
-		if (rc) {
-			mutex_unlock(&drv_info->notify_lock);
-			return rc;
-		}
+		if (rc)
+			goto out_unlock_free;
 	}
 
-	rc = update_notifier_cb(dev, notify_id, cb, cb_data, true,
-				is_framework);
+	rc = update_notifier_cb(dev, notify_id, cb_info, is_framework);
 	if (rc) {
 		pr_err("Failed to register callback for %d - %d\n",
 		       notify_id, rc);
 		if (!is_framework)
 			ffa_notification_unbind(dev->vm_id, BIT(notify_id));
 	}
-	mutex_unlock(&drv_info->notify_lock);
+
+out_unlock_free:
+	write_unlock(&drv_info->notify_lock);
+	if (rc)
+		kfree(cb_info);
 
 	return rc;
 }
@@ -1406,9 +1407,9 @@ static void handle_notif_callbacks(u64 bitmap, enum notify_type type)
 		if (!(bitmap & 1))
 			continue;
 
-		mutex_lock(&drv_info->notify_lock);
+		read_lock(&drv_info->notify_lock);
 		cb_info = notifier_hnode_get_by_type(notify_id, type);
-		mutex_unlock(&drv_info->notify_lock);
+		read_unlock(&drv_info->notify_lock);
 
 		if (cb_info && cb_info->cb)
 			cb_info->cb(notify_id, cb_info->cb_data);
@@ -1446,9 +1447,9 @@ static void handle_fwk_notif_callbacks(u32 bitmap)
 
 	ffa_rx_release();
 
-	mutex_lock(&drv_info->notify_lock);
+	read_lock(&drv_info->notify_lock);
 	cb_info = notifier_hnode_get_by_vmid_uuid(notify_id, target, &uuid);
-	mutex_unlock(&drv_info->notify_lock);
+	read_unlock(&drv_info->notify_lock);
 
 	if (cb_info && cb_info->fwk_cb)
 		cb_info->fwk_cb(notify_id, cb_info->cb_data, buf);
@@ -1973,7 +1974,7 @@ static void ffa_notifications_setup(void)
 		goto cleanup;
 
 	hash_init(drv_info->notifier_hash);
-	mutex_init(&drv_info->notify_lock);
+	rwlock_init(&drv_info->notify_lock);
 
 	drv_info->notif_enabled = true;
 	return;
diff --git linux-libre-6.15.5-gnu/drivers/firmware/samsung/exynos-acpm.c linux-libre-6.15.6-gnu/drivers/firmware/samsung/exynos-acpm.c
index e80cb7a8da8f..520a9fd3b0fd 100644
--- linux-libre-6.15.5-gnu/drivers/firmware/samsung/exynos-acpm.c
+++ linux-libre-6.15.6-gnu/drivers/firmware/samsung/exynos-acpm.c
@@ -430,6 +430,9 @@ int acpm_do_xfer(const struct acpm_handle *handle, const struct acpm_xfer *xfer)
 		return -EOPNOTSUPP;
 	}
 
+	msg.chan_id = xfer->acpm_chan_id;
+	msg.chan_type = EXYNOS_MBOX_CHAN_TYPE_DOORBELL;
+
 	scoped_guard(mutex, &achan->tx_lock) {
 		tx_front = readl(achan->tx.front);
 		idx = (tx_front + 1) % achan->qlen;
@@ -446,25 +449,15 @@ int acpm_do_xfer(const struct acpm_handle *handle, const struct acpm_xfer *xfer)
 
 		/* Advance TX front. */
 		writel(idx, achan->tx.front);
-	}
 
-	msg.chan_id = xfer->acpm_chan_id;
-	msg.chan_type = EXYNOS_MBOX_CHAN_TYPE_DOORBELL;
-	ret = mbox_send_message(achan->chan, (void *)&msg);
-	if (ret < 0)
-		return ret;
-
-	ret = acpm_wait_for_message_response(achan, xfer);
+		ret = mbox_send_message(achan->chan, (void *)&msg);
+		if (ret < 0)
+			return ret;
 
-	/*
-	 * NOTE: we might prefer not to need the mailbox ticker to manage the
-	 * transfer queueing since the protocol layer queues things by itself.
-	 * Unfortunately, we have to kick the mailbox framework after we have
-	 * received our message.
-	 */
-	mbox_client_txdone(achan->chan, ret);
+		mbox_client_txdone(achan->chan, 0);
+	}
 
-	return ret;
+	return acpm_wait_for_message_response(achan, xfer);
 }
 
 /**
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/bridge/aux-hpd-bridge.c linux-libre-6.15.6-gnu/drivers/gpu/drm/bridge/aux-hpd-bridge.c
index 48f297c78ee6..1ec4f16b9939 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/bridge/aux-hpd-bridge.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/bridge/aux-hpd-bridge.c
@@ -64,10 +64,11 @@ struct auxiliary_device *devm_drm_dp_hpd_bridge_alloc(struct device *parent, str
 	adev->id = ret;
 	adev->name = "dp_hpd_bridge";
 	adev->dev.parent = parent;
-	adev->dev.of_node = of_node_get(parent->of_node);
 	adev->dev.release = drm_aux_hpd_bridge_release;
 	adev->dev.platform_data = of_node_get(np);
 
+	device_set_of_node_from_dev(&adev->dev, parent);
+
 	ret = auxiliary_device_init(adev);
 	if (ret) {
 		of_node_put(adev->dev.platform_data);
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/bridge/panel.c linux-libre-6.15.6-gnu/drivers/gpu/drm/bridge/panel.c
index 258c85c83a28..6c58d0759f22 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/bridge/panel.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/bridge/panel.c
@@ -298,6 +298,7 @@ struct drm_bridge *drm_panel_bridge_add_typed(struct drm_panel *panel,
 	panel_bridge->bridge.of_node = panel->dev->of_node;
 	panel_bridge->bridge.ops = DRM_BRIDGE_OP_MODES;
 	panel_bridge->bridge.type = connector_type;
+	panel_bridge->bridge.pre_enable_prev_first = panel->prepare_prev_first;
 
 	drm_bridge_add(&panel_bridge->bridge);
 
@@ -412,8 +413,6 @@ struct drm_bridge *devm_drm_panel_bridge_add_typed(struct device *dev,
 		return bridge;
 	}
 
-	bridge->pre_enable_prev_first = panel->prepare_prev_first;
-
 	*ptr = bridge;
 	devres_add(dev, ptr);
 
@@ -455,8 +454,6 @@ struct drm_bridge *drmm_panel_bridge_add(struct drm_device *drm,
 	if (ret)
 		return ERR_PTR(ret);
 
-	bridge->pre_enable_prev_first = panel->prepare_prev_first;
-
 	return bridge;
 }
 EXPORT_SYMBOL(drmm_panel_bridge_add);
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/exynos/exynos_drm_fimd.c linux-libre-6.15.6-gnu/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index c394cc702d7d..205c238cc73a 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -187,6 +187,7 @@ struct fimd_context {
 	u32				i80ifcon;
 	bool				i80_if;
 	bool				suspended;
+	bool				dp_clk_enabled;
 	wait_queue_head_t		wait_vsync_queue;
 	atomic_t			wait_vsync_event;
 	atomic_t			win_updated;
@@ -1047,7 +1048,18 @@ static void fimd_dp_clock_enable(struct exynos_drm_clk *clk, bool enable)
 	struct fimd_context *ctx = container_of(clk, struct fimd_context,
 						dp_clk);
 	u32 val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+
+	if (enable == ctx->dp_clk_enabled)
+		return;
+
+	if (enable)
+		pm_runtime_resume_and_get(ctx->dev);
+
+	ctx->dp_clk_enabled = enable;
 	writel(val, ctx->regs + DP_MIE_CLKCON);
+
+	if (!enable)
+		pm_runtime_put(ctx->dev);
 }
 
 static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/gt/intel_gsc.c linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/gt/intel_gsc.c
index 1e925c75fb08..c43febc862dc 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/gt/intel_gsc.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/gt/intel_gsc.c
@@ -284,7 +284,7 @@ static void gsc_irq_handler(struct intel_gt *gt, unsigned int intf_id)
 	if (gt->gsc.intf[intf_id].irq < 0)
 		return;
 
-	ret = generic_handle_irq(gt->gsc.intf[intf_id].irq);
+	ret = generic_handle_irq_safe(gt->gsc.intf[intf_id].irq);
 	if (ret)
 		gt_err_ratelimited(gt, "error handling GSC irq: %d\n", ret);
 }
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/gt/intel_ring_submission.c linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index 6e9977b2d180..44a4b6723582 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -604,7 +604,6 @@ static int ring_context_alloc(struct intel_context *ce)
 	/* One ringbuffer to rule them all */
 	GEM_BUG_ON(!engine->legacy.ring);
 	ce->ring = engine->legacy.ring;
-	ce->timeline = intel_timeline_get(engine->legacy.timeline);
 
 	GEM_BUG_ON(ce->state);
 	if (engine->context_size) {
@@ -617,6 +616,8 @@ static int ring_context_alloc(struct intel_context *ce)
 		ce->state = vma;
 	}
 
+	ce->timeline = intel_timeline_get(engine->legacy.timeline);
+
 	return 0;
 }
 
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/selftests/i915_request.c linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/selftests/i915_request.c
index 88870844b5bd..2fb7a9e7efec 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/selftests/i915_request.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -73,8 +73,8 @@ static int igt_add_request(void *arg)
 	/* Basic preliminary test to create a request and let it loose! */
 
 	request = mock_request(rcs0(i915)->kernel_context, HZ / 10);
-	if (!request)
-		return -ENOMEM;
+	if (IS_ERR(request))
+		return PTR_ERR(request);
 
 	i915_request_add(request);
 
@@ -91,8 +91,8 @@ static int igt_wait_request(void *arg)
 	/* Submit a request, then wait upon it */
 
 	request = mock_request(rcs0(i915)->kernel_context, T);
-	if (!request)
-		return -ENOMEM;
+	if (IS_ERR(request))
+		return PTR_ERR(request);
 
 	i915_request_get(request);
 
@@ -160,8 +160,8 @@ static int igt_fence_wait(void *arg)
 	/* Submit a request, treat it as a fence and wait upon it */
 
 	request = mock_request(rcs0(i915)->kernel_context, T);
-	if (!request)
-		return -ENOMEM;
+	if (IS_ERR(request))
+		return PTR_ERR(request);
 
 	if (dma_fence_wait_timeout(&request->fence, false, T) != -ETIME) {
 		pr_err("fence wait success before submit (expected timeout)!\n");
@@ -219,8 +219,8 @@ static int igt_request_rewind(void *arg)
 	GEM_BUG_ON(IS_ERR(ce));
 	request = mock_request(ce, 2 * HZ);
 	intel_context_put(ce);
-	if (!request) {
-		err = -ENOMEM;
+	if (IS_ERR(request)) {
+		err = PTR_ERR(request);
 		goto err_context_0;
 	}
 
@@ -237,8 +237,8 @@ static int igt_request_rewind(void *arg)
 	GEM_BUG_ON(IS_ERR(ce));
 	vip = mock_request(ce, 0);
 	intel_context_put(ce);
-	if (!vip) {
-		err = -ENOMEM;
+	if (IS_ERR(vip)) {
+		err = PTR_ERR(vip);
 		goto err_context_1;
 	}
 
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/selftests/mock_request.c linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/selftests/mock_request.c
index 09f747228dff..1b0cf073e964 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/i915/selftests/mock_request.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/i915/selftests/mock_request.c
@@ -35,7 +35,7 @@ mock_request(struct intel_context *ce, unsigned long delay)
 	/* NB the i915->requests slab cache is enlarged to fit mock_request */
 	request = intel_context_create_request(ce);
 	if (IS_ERR(request))
-		return NULL;
+		return request;
 
 	request->mock.delay = delay;
 	return request;
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/msm/msm_gem_submit.c linux-libre-6.15.6-gnu/drivers/gpu/drm/msm/msm_gem_submit.c
index 3e9aa2cc38ef..d4f71bb54e84 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/msm/msm_gem_submit.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -85,6 +85,15 @@ void __msm_gem_submit_destroy(struct kref *kref)
 			container_of(kref, struct msm_gem_submit, ref);
 	unsigned i;
 
+	/*
+	 * In error paths, we could unref the submit without calling
+	 * drm_sched_entity_push_job(), so msm_job_free() will never
+	 * get called.  Since drm_sched_job_cleanup() will NULL out
+	 * s_fence, we can use that to detect this case.
+	 */
+	if (submit->base.s_fence)
+		drm_sched_job_cleanup(&submit->base);
+
 	if (submit->fence_id) {
 		spin_lock(&submit->queue->idr_lock);
 		idr_remove(&submit->queue->fence_idr, submit->fence_id);
@@ -649,6 +658,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
 	struct msm_ringbuffer *ring;
 	struct msm_submit_post_dep *post_deps = NULL;
 	struct drm_syncobj **syncobjs_to_reset = NULL;
+	struct sync_file *sync_file = NULL;
 	int out_fence_fd = -1;
 	unsigned i;
 	int ret;
@@ -858,7 +868,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
 	}
 
 	if (ret == 0 && args->flags & MSM_SUBMIT_FENCE_FD_OUT) {
-		struct sync_file *sync_file = sync_file_create(submit->user_fence);
+		sync_file = sync_file_create(submit->user_fence);
 		if (!sync_file) {
 			ret = -ENOMEM;
 		} else {
@@ -892,8 +902,11 @@ out:
 out_unlock:
 	mutex_unlock(&queue->lock);
 out_post_unlock:
-	if (ret && (out_fence_fd >= 0))
+	if (ret && (out_fence_fd >= 0)) {
 		put_unused_fd(out_fence_fd);
+		if (sync_file)
+			fput(sync_file->file);
+	}
 
 	if (!IS_ERR_OR_NULL(submit)) {
 		msm_gem_submit_put(submit);
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/v3d/v3d_drv.h linux-libre-6.15.6-gnu/drivers/gpu/drm/v3d/v3d_drv.h
index de4a9e18f6a9..7b6ce3d7b0af 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/v3d/v3d_drv.h
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/v3d/v3d_drv.h
@@ -101,6 +101,12 @@ enum v3d_gen {
 	V3D_GEN_71 = 71,
 };
 
+enum v3d_irq {
+	V3D_CORE_IRQ,
+	V3D_HUB_IRQ,
+	V3D_MAX_IRQS,
+};
+
 struct v3d_dev {
 	struct drm_device drm;
 
@@ -112,6 +118,8 @@ struct v3d_dev {
 
 	bool single_irq_line;
 
+	int irq[V3D_MAX_IRQS];
+
 	struct v3d_perfmon_info perfmon_info;
 
 	void __iomem *hub_regs;
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/v3d/v3d_gem.c linux-libre-6.15.6-gnu/drivers/gpu/drm/v3d/v3d_gem.c
index 1ea6d3832c22..58d63b3e7804 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/v3d/v3d_gem.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/v3d/v3d_gem.c
@@ -118,6 +118,8 @@ v3d_reset(struct v3d_dev *v3d)
 	if (false)
 		v3d_idle_axi(v3d, 0);
 
+	v3d_irq_disable(v3d);
+
 	v3d_idle_gca(v3d);
 	v3d_reset_v3d(v3d);
 
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/v3d/v3d_irq.c linux-libre-6.15.6-gnu/drivers/gpu/drm/v3d/v3d_irq.c
index 2cca5d3a26a2..a515a301e480 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/v3d/v3d_irq.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/v3d/v3d_irq.c
@@ -260,7 +260,7 @@ v3d_hub_irq(int irq, void *arg)
 int
 v3d_irq_init(struct v3d_dev *v3d)
 {
-	int irq1, ret, core;
+	int irq, ret, core;
 
 	INIT_WORK(&v3d->overflow_mem_work, v3d_overflow_mem_work);
 
@@ -271,17 +271,24 @@ v3d_irq_init(struct v3d_dev *v3d)
 		V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS(v3d->ver));
 	V3D_WRITE(V3D_HUB_INT_CLR, V3D_HUB_IRQS(v3d->ver));
 
-	irq1 = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
-	if (irq1 == -EPROBE_DEFER)
-		return irq1;
-	if (irq1 > 0) {
-		ret = devm_request_irq(v3d->drm.dev, irq1,
+	irq = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
+	if (irq == -EPROBE_DEFER)
+		return irq;
+	if (irq > 0) {
+		v3d->irq[V3D_CORE_IRQ] = irq;
+
+		ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_CORE_IRQ],
 				       v3d_irq, IRQF_SHARED,
 				       "v3d_core0", v3d);
 		if (ret)
 			goto fail;
-		ret = devm_request_irq(v3d->drm.dev,
-				       platform_get_irq(v3d_to_pdev(v3d), 0),
+
+		irq = platform_get_irq(v3d_to_pdev(v3d), 0);
+		if (irq < 0)
+			return irq;
+		v3d->irq[V3D_HUB_IRQ] = irq;
+
+		ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_HUB_IRQ],
 				       v3d_hub_irq, IRQF_SHARED,
 				       "v3d_hub", v3d);
 		if (ret)
@@ -289,8 +296,12 @@ v3d_irq_init(struct v3d_dev *v3d)
 	} else {
 		v3d->single_irq_line = true;
 
-		ret = devm_request_irq(v3d->drm.dev,
-				       platform_get_irq(v3d_to_pdev(v3d), 0),
+		irq = platform_get_irq(v3d_to_pdev(v3d), 0);
+		if (irq < 0)
+			return irq;
+		v3d->irq[V3D_CORE_IRQ] = irq;
+
+		ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_CORE_IRQ],
 				       v3d_irq, IRQF_SHARED,
 				       "v3d", v3d);
 		if (ret)
@@ -331,6 +342,12 @@ v3d_irq_disable(struct v3d_dev *v3d)
 		V3D_CORE_WRITE(core, V3D_CTL_INT_MSK_SET, ~0);
 	V3D_WRITE(V3D_HUB_INT_MSK_SET, ~0);
 
+	/* Finish any interrupt handler still in flight. */
+	for (int i = 0; i < V3D_MAX_IRQS; i++) {
+		if (v3d->irq[i])
+			synchronize_irq(v3d->irq[i]);
+	}
+
 	/* Clear any pending interrupts we might have left. */
 	for (core = 0; core < v3d->cores; core++)
 		V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS(v3d->ver));
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c linux-libre-6.15.6-gnu/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 0f32471c8533..55c822a61b9a 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -769,7 +769,7 @@ static int vmw_setup_pci_resources(struct vmw_private *dev,
 		dev->fifo_mem = devm_memremap(dev->drm.dev,
 					      fifo_start,
 					      fifo_size,
-					      MEMREMAP_WB);
+					      MEMREMAP_WB | MEMREMAP_DEC);
 
 		if (IS_ERR(dev->fifo_mem)) {
 			drm_err(&dev->drm,
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/Kconfig linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/Kconfig
index 9a46aafcb33b..0dc3512876b3 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/Kconfig
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/Kconfig
@@ -1,7 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config DRM_XE
 	tristate "Intel Xe Graphics"
-	depends on DRM && PCI && MMU && (m || (y && KUNIT=y))
+	depends on DRM && PCI && MMU
+	depends on KUNIT || !KUNIT
 	depends on INTEL_VSEC || !INTEL_VSEC
 	depends on X86_PLATFORM_DEVICES || !(X86 && ACPI)
 	select INTERVAL_TREE
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/abi/guc_klvs_abi.h linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
index d633f1c739e4..7de8f827281f 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
@@ -367,6 +367,7 @@ enum xe_guc_klv_ids {
 	GUC_WA_KLV_NP_RD_WRITE_TO_CLEAR_RCSM_AT_CGP_LATE_RESTORE			= 0x9008,
 	GUC_WORKAROUND_KLV_ID_BACK_TO_BACK_RCS_ENGINE_RESET				= 0x9009,
 	GUC_WA_KLV_WAKE_POWER_DOMAINS_FOR_OUTBOUND_MMIO					= 0x900a,
+	GUC_WA_KLV_RESET_BB_STACK_PTR_ON_VF_SWITCH					= 0x900b,
 };
 
 #endif
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_device.c linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_device.c
index 00191227bc95..f3123914b1ab 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_device.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_device.c
@@ -38,6 +38,7 @@
 #include "xe_gt_printk.h"
 #include "xe_gt_sriov_vf.h"
 #include "xe_guc.h"
+#include "xe_guc_pc.h"
 #include "xe_hw_engine_group.h"
 #include "xe_hwmon.h"
 #include "xe_irq.h"
@@ -972,38 +973,15 @@ void xe_device_wmb(struct xe_device *xe)
 		xe_mmio_write32(xe_root_tile_mmio(xe), VF_CAP_REG, 0);
 }
 
-/**
- * xe_device_td_flush() - Flush transient L3 cache entries
- * @xe: The device
- *
- * Display engine has direct access to memory and is never coherent with L3/L4
- * caches (or CPU caches), however KMD is responsible for specifically flushing
- * transient L3 GPU cache entries prior to the flip sequence to ensure scanout
- * can happen from such a surface without seeing corruption.
- *
- * Display surfaces can be tagged as transient by mapping it using one of the
- * various L3:XD PAT index modes on Xe2.
- *
- * Note: On non-discrete xe2 platforms, like LNL, the entire L3 cache is flushed
- * at the end of each submission via PIPE_CONTROL for compute/render, since SA
- * Media is not coherent with L3 and we want to support render-vs-media
- * usescases. For other engines like copy/blt the HW internally forces uncached
- * behaviour, hence why we can skip the TDF on such platforms.
+/*
+ * Issue a TRANSIENT_FLUSH_REQUEST and wait for completion on each gt.
  */
-void xe_device_td_flush(struct xe_device *xe)
+static void tdf_request_sync(struct xe_device *xe)
 {
-	struct xe_gt *gt;
 	unsigned int fw_ref;
+	struct xe_gt *gt;
 	u8 id;
 
-	if (!IS_DGFX(xe) || GRAPHICS_VER(xe) < 20)
-		return;
-
-	if (XE_WA(xe_root_mmio_gt(xe), 16023588340)) {
-		xe_device_l2_flush(xe);
-		return;
-	}
-
 	for_each_gt(gt, xe, id) {
 		if (xe_gt_is_media_type(gt))
 			continue;
@@ -1013,6 +991,7 @@ void xe_device_td_flush(struct xe_device *xe)
 			return;
 
 		xe_mmio_write32(&gt->mmio, XE2_TDF_CTRL, TRANSIENT_FLUSH_REQUEST);
+
 		/*
 		 * FIXME: We can likely do better here with our choice of
 		 * timeout. Currently we just assume the worst case, i.e. 150us,
@@ -1043,15 +1022,52 @@ void xe_device_l2_flush(struct xe_device *xe)
 		return;
 
 	spin_lock(&gt->global_invl_lock);
-	xe_mmio_write32(&gt->mmio, XE2_GLOBAL_INVAL, 0x1);
 
+	xe_mmio_write32(&gt->mmio, XE2_GLOBAL_INVAL, 0x1);
 	if (xe_mmio_wait32(&gt->mmio, XE2_GLOBAL_INVAL, 0x1, 0x0, 500, NULL, true))
 		xe_gt_err_once(gt, "Global invalidation timeout\n");
+
 	spin_unlock(&gt->global_invl_lock);
 
 	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 }
 
+/**
+ * xe_device_td_flush() - Flush transient L3 cache entries
+ * @xe: The device
+ *
+ * Display engine has direct access to memory and is never coherent with L3/L4
+ * caches (or CPU caches), however KMD is responsible for specifically flushing
+ * transient L3 GPU cache entries prior to the flip sequence to ensure scanout
+ * can happen from such a surface without seeing corruption.
+ *
+ * Display surfaces can be tagged as transient by mapping it using one of the
+ * various L3:XD PAT index modes on Xe2.
+ *
+ * Note: On non-discrete xe2 platforms, like LNL, the entire L3 cache is flushed
+ * at the end of each submission via PIPE_CONTROL for compute/render, since SA
+ * Media is not coherent with L3 and we want to support render-vs-media
+ * usescases. For other engines like copy/blt the HW internally forces uncached
+ * behaviour, hence why we can skip the TDF on such platforms.
+ */
+void xe_device_td_flush(struct xe_device *xe)
+{
+	struct xe_gt *root_gt;
+
+	if (!IS_DGFX(xe) || GRAPHICS_VER(xe) < 20)
+		return;
+
+	root_gt = xe_root_mmio_gt(xe);
+	if (XE_WA(root_gt, 16023588340)) {
+		/* A transient flush is not sufficient: flush the L2 */
+		xe_device_l2_flush(xe);
+	} else {
+		xe_guc_pc_apply_flush_freq_limit(&root_gt->uc.guc.pc);
+		tdf_request_sync(xe);
+		xe_guc_pc_remove_flush_freq_limit(&root_gt->uc.guc.pc);
+	}
+}
+
 u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size)
 {
 	return xe_device_has_flat_ccs(xe) ?
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_ads.c linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_ads.c
index 7031542a70ce..1fccdef9e532 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_ads.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_ads.c
@@ -376,6 +376,11 @@ static void guc_waklv_init(struct xe_guc_ads *ads)
 					GUC_WORKAROUND_KLV_ID_BACK_TO_BACK_RCS_ENGINE_RESET,
 					&offset, &remain);
 
+	if (GUC_FIRMWARE_VER(&gt->uc.guc) >= MAKE_GUC_VER(70, 44, 0) && XE_WA(gt, 16026508708))
+		guc_waklv_enable_simple(ads,
+					GUC_WA_KLV_RESET_BB_STACK_PTR_ON_VF_SWITCH,
+					&offset, &remain);
+
 	size = guc_ads_waklv_size(ads) - remain;
 	if (!size)
 		return;
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_pc.c linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_pc.c
index a7b8bacfe64e..1c7b044413f2 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_pc.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_pc.c
@@ -5,8 +5,11 @@
 
 #include "xe_guc_pc.h"
 
+#include <linux/cleanup.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 #include <linux/ktime.h>
+#include <linux/wait_bit.h>
 
 #include <drm/drm_managed.h>
 #include <drm/drm_print.h>
@@ -51,9 +54,12 @@
 
 #define LNL_MERT_FREQ_CAP	800
 #define BMG_MERT_FREQ_CAP	2133
+#define BMG_MIN_FREQ		1200
+#define BMG_MERT_FLUSH_FREQ_CAP	2600
 
 #define SLPC_RESET_TIMEOUT_MS 5 /* roughly 5ms, but no need for precision */
 #define SLPC_RESET_EXTENDED_TIMEOUT_MS 1000 /* To be used only at pc_start */
+#define SLPC_ACT_FREQ_TIMEOUT_MS 100
 
 /**
  * DOC: GuC Power Conservation (PC)
@@ -141,6 +147,36 @@ static int wait_for_pc_state(struct xe_guc_pc *pc,
 	return -ETIMEDOUT;
 }
 
+static int wait_for_flush_complete(struct xe_guc_pc *pc)
+{
+	const unsigned long timeout = msecs_to_jiffies(30);
+
+	if (!wait_var_event_timeout(&pc->flush_freq_limit,
+				    !atomic_read(&pc->flush_freq_limit),
+				    timeout))
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+static int wait_for_act_freq_limit(struct xe_guc_pc *pc, u32 freq)
+{
+	int timeout_us = SLPC_ACT_FREQ_TIMEOUT_MS * USEC_PER_MSEC;
+	int slept, wait = 10;
+
+	for (slept = 0; slept < timeout_us;) {
+		if (xe_guc_pc_get_act_freq(pc) <= freq)
+			return 0;
+
+		usleep_range(wait, wait << 1);
+		slept += wait;
+		wait <<= 1;
+		if (slept + wait > timeout_us)
+			wait = timeout_us - slept;
+	}
+
+	return -ETIMEDOUT;
+}
 static int pc_action_reset(struct xe_guc_pc *pc)
 {
 	struct xe_guc_ct *ct = pc_to_ct(pc);
@@ -538,6 +574,25 @@ u32 xe_guc_pc_get_rpn_freq(struct xe_guc_pc *pc)
 	return pc->rpn_freq;
 }
 
+static int xe_guc_pc_get_min_freq_locked(struct xe_guc_pc *pc, u32 *freq)
+{
+	int ret;
+
+	lockdep_assert_held(&pc->freq_lock);
+
+	/* Might be in the middle of a gt reset */
+	if (!pc->freq_ready)
+		return -EAGAIN;
+
+	ret = pc_action_query_task_state(pc);
+	if (ret)
+		return ret;
+
+	*freq = pc_get_min_freq(pc);
+
+	return 0;
+}
+
 /**
  * xe_guc_pc_get_min_freq - Get the min operational frequency
  * @pc: The GuC PC
@@ -547,27 +602,29 @@ u32 xe_guc_pc_get_rpn_freq(struct xe_guc_pc *pc)
  *         -EAGAIN if GuC PC not ready (likely in middle of a reset).
  */
 int xe_guc_pc_get_min_freq(struct xe_guc_pc *pc, u32 *freq)
+{
+	guard(mutex)(&pc->freq_lock);
+
+	return xe_guc_pc_get_min_freq_locked(pc, freq);
+}
+
+static int xe_guc_pc_set_min_freq_locked(struct xe_guc_pc *pc, u32 freq)
 {
 	int ret;
 
-	xe_device_assert_mem_access(pc_to_xe(pc));
+	lockdep_assert_held(&pc->freq_lock);
 
-	mutex_lock(&pc->freq_lock);
-	if (!pc->freq_ready) {
-		/* Might be in the middle of a gt reset */
-		ret = -EAGAIN;
-		goto out;
-	}
+	/* Might be in the middle of a gt reset */
+	if (!pc->freq_ready)
+		return -EAGAIN;
 
-	ret = pc_action_query_task_state(pc);
+	ret = pc_set_min_freq(pc, freq);
 	if (ret)
-		goto out;
+		return ret;
 
-	*freq = pc_get_min_freq(pc);
+	pc->user_requested_min = freq;
 
-out:
-	mutex_unlock(&pc->freq_lock);
-	return ret;
+	return 0;
 }
 
 /**
@@ -580,25 +637,29 @@ out:
  *         -EINVAL if value out of bounds.
  */
 int xe_guc_pc_set_min_freq(struct xe_guc_pc *pc, u32 freq)
+{
+	guard(mutex)(&pc->freq_lock);
+
+	return xe_guc_pc_set_min_freq_locked(pc, freq);
+}
+
+static int xe_guc_pc_get_max_freq_locked(struct xe_guc_pc *pc, u32 *freq)
 {
 	int ret;
 
-	mutex_lock(&pc->freq_lock);
-	if (!pc->freq_ready) {
-		/* Might be in the middle of a gt reset */
-		ret = -EAGAIN;
-		goto out;
-	}
+	lockdep_assert_held(&pc->freq_lock);
 
-	ret = pc_set_min_freq(pc, freq);
+	/* Might be in the middle of a gt reset */
+	if (!pc->freq_ready)
+		return -EAGAIN;
+
+	ret = pc_action_query_task_state(pc);
 	if (ret)
-		goto out;
+		return ret;
 
-	pc->user_requested_min = freq;
+	*freq = pc_get_max_freq(pc);
 
-out:
-	mutex_unlock(&pc->freq_lock);
-	return ret;
+	return 0;
 }
 
 /**
@@ -610,25 +671,29 @@ out:
  *         -EAGAIN if GuC PC not ready (likely in middle of a reset).
  */
 int xe_guc_pc_get_max_freq(struct xe_guc_pc *pc, u32 *freq)
+{
+	guard(mutex)(&pc->freq_lock);
+
+	return xe_guc_pc_get_max_freq_locked(pc, freq);
+}
+
+static int xe_guc_pc_set_max_freq_locked(struct xe_guc_pc *pc, u32 freq)
 {
 	int ret;
 
-	mutex_lock(&pc->freq_lock);
-	if (!pc->freq_ready) {
-		/* Might be in the middle of a gt reset */
-		ret = -EAGAIN;
-		goto out;
-	}
+	lockdep_assert_held(&pc->freq_lock);
 
-	ret = pc_action_query_task_state(pc);
+	/* Might be in the middle of a gt reset */
+	if (!pc->freq_ready)
+		return -EAGAIN;
+
+	ret = pc_set_max_freq(pc, freq);
 	if (ret)
-		goto out;
+		return ret;
 
-	*freq = pc_get_max_freq(pc);
+	pc->user_requested_max = freq;
 
-out:
-	mutex_unlock(&pc->freq_lock);
-	return ret;
+	return 0;
 }
 
 /**
@@ -642,24 +707,14 @@ out:
  */
 int xe_guc_pc_set_max_freq(struct xe_guc_pc *pc, u32 freq)
 {
-	int ret;
-
-	mutex_lock(&pc->freq_lock);
-	if (!pc->freq_ready) {
-		/* Might be in the middle of a gt reset */
-		ret = -EAGAIN;
-		goto out;
+	if (XE_WA(pc_to_gt(pc), 22019338487)) {
+		if (wait_for_flush_complete(pc) != 0)
+			return -EAGAIN;
 	}
 
-	ret = pc_set_max_freq(pc, freq);
-	if (ret)
-		goto out;
-
-	pc->user_requested_max = freq;
+	guard(mutex)(&pc->freq_lock);
 
-out:
-	mutex_unlock(&pc->freq_lock);
-	return ret;
+	return xe_guc_pc_set_max_freq_locked(pc, freq);
 }
 
 /**
@@ -802,6 +857,7 @@ void xe_guc_pc_init_early(struct xe_guc_pc *pc)
 
 static int pc_adjust_freq_bounds(struct xe_guc_pc *pc)
 {
+	struct xe_tile *tile = gt_to_tile(pc_to_gt(pc));
 	int ret;
 
 	lockdep_assert_held(&pc->freq_lock);
@@ -828,6 +884,9 @@ static int pc_adjust_freq_bounds(struct xe_guc_pc *pc)
 	if (pc_get_min_freq(pc) > pc->rp0_freq)
 		ret = pc_set_min_freq(pc, pc->rp0_freq);
 
+	if (XE_WA(tile->primary_gt, 14022085890))
+		ret = pc_set_min_freq(pc, max(BMG_MIN_FREQ, pc_get_min_freq(pc)));
+
 out:
 	return ret;
 }
@@ -853,6 +912,92 @@ static int pc_adjust_requested_freq(struct xe_guc_pc *pc)
 	return ret;
 }
 
+static bool needs_flush_freq_limit(struct xe_guc_pc *pc)
+{
+	struct xe_gt *gt = pc_to_gt(pc);
+
+	return  XE_WA(gt, 22019338487) &&
+		pc->rp0_freq > BMG_MERT_FLUSH_FREQ_CAP;
+}
+
+/**
+ * xe_guc_pc_apply_flush_freq_limit() - Limit max GT freq during L2 flush
+ * @pc: the xe_guc_pc object
+ *
+ * As per the WA, reduce max GT frequency during L2 cache flush
+ */
+void xe_guc_pc_apply_flush_freq_limit(struct xe_guc_pc *pc)
+{
+	struct xe_gt *gt = pc_to_gt(pc);
+	u32 max_freq;
+	int ret;
+
+	if (!needs_flush_freq_limit(pc))
+		return;
+
+	guard(mutex)(&pc->freq_lock);
+
+	ret = xe_guc_pc_get_max_freq_locked(pc, &max_freq);
+	if (!ret && max_freq > BMG_MERT_FLUSH_FREQ_CAP) {
+		ret = pc_set_max_freq(pc, BMG_MERT_FLUSH_FREQ_CAP);
+		if (ret) {
+			xe_gt_err_once(gt, "Failed to cap max freq on flush to %u, %pe\n",
+				       BMG_MERT_FLUSH_FREQ_CAP, ERR_PTR(ret));
+			return;
+		}
+
+		atomic_set(&pc->flush_freq_limit, 1);
+
+		/*
+		 * If user has previously changed max freq, stash that value to
+		 * restore later, otherwise use the current max. New user
+		 * requests wait on flush.
+		 */
+		if (pc->user_requested_max != 0)
+			pc->stashed_max_freq = pc->user_requested_max;
+		else
+			pc->stashed_max_freq = max_freq;
+	}
+
+	/*
+	 * Wait for actual freq to go below the flush cap: even if the previous
+	 * max was below cap, the current one might still be above it
+	 */
+	ret = wait_for_act_freq_limit(pc, BMG_MERT_FLUSH_FREQ_CAP);
+	if (ret)
+		xe_gt_err_once(gt, "Actual freq did not reduce to %u, %pe\n",
+			       BMG_MERT_FLUSH_FREQ_CAP, ERR_PTR(ret));
+}
+
+/**
+ * xe_guc_pc_remove_flush_freq_limit() - Remove max GT freq limit after L2 flush completes.
+ * @pc: the xe_guc_pc object
+ *
+ * Retrieve the previous GT max frequency value.
+ */
+void xe_guc_pc_remove_flush_freq_limit(struct xe_guc_pc *pc)
+{
+	struct xe_gt *gt = pc_to_gt(pc);
+	int ret = 0;
+
+	if (!needs_flush_freq_limit(pc))
+		return;
+
+	if (!atomic_read(&pc->flush_freq_limit))
+		return;
+
+	mutex_lock(&pc->freq_lock);
+
+	ret = pc_set_max_freq(&gt->uc.guc.pc, pc->stashed_max_freq);
+	if (ret)
+		xe_gt_err_once(gt, "Failed to restore max freq %u:%d",
+			       pc->stashed_max_freq, ret);
+
+	atomic_set(&pc->flush_freq_limit, 0);
+	mutex_unlock(&pc->freq_lock);
+	wake_up_var(&pc->flush_freq_limit);
+}
+
 static int pc_set_mert_freq_cap(struct xe_guc_pc *pc)
 {
 	int ret = 0;
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_pc.h linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_pc.h
index 39102b79602f..0302c7426ccd 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_pc.h
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_pc.h
@@ -37,5 +37,7 @@ u64 xe_guc_pc_mc6_residency(struct xe_guc_pc *pc);
 void xe_guc_pc_init_early(struct xe_guc_pc *pc);
 int xe_guc_pc_restore_stashed_freq(struct xe_guc_pc *pc);
 void xe_guc_pc_raise_unslice(struct xe_guc_pc *pc);
+void xe_guc_pc_apply_flush_freq_limit(struct xe_guc_pc *pc);
+void xe_guc_pc_remove_flush_freq_limit(struct xe_guc_pc *pc);
 
 #endif /* _XE_GUC_PC_H_ */
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_pc_types.h linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_pc_types.h
index 2978ac9a249b..c02053948a57 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_guc_pc_types.h
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_guc_pc_types.h
@@ -15,6 +15,8 @@
 struct xe_guc_pc {
 	/** @bo: GGTT buffer object that is shared with GuC PC */
 	struct xe_bo *bo;
+	/** @flush_freq_limit: 1 when max freq changes are limited by driver */
+	atomic_t flush_freq_limit;
 	/** @rp0_freq: HW RP0 frequency - The Maximum one */
 	u32 rp0_freq;
 	/** @rpa_freq: HW RPa frequency - The Achievable one */
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_migrate.c linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_migrate.c
index 5a3e89022c38..752f57fd515e 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_migrate.c
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_migrate.c
@@ -82,7 +82,7 @@ struct xe_migrate {
  * of the instruction.  Subtracting the instruction header (1 dword) and
  * address (2 dwords), that leaves 0x3FD dwords (0x1FE qwords) for PTE values.
  */
-#define MAX_PTE_PER_SDI 0x1FE
+#define MAX_PTE_PER_SDI 0x1FEU
 
 /**
  * xe_tile_migrate_exec_queue() - Get this tile's migrate exec queue.
@@ -1550,15 +1550,17 @@ static u32 pte_update_cmd_size(u64 size)
 	u64 entries = DIV_U64_ROUND_UP(size, XE_PAGE_SIZE);
 
 	XE_WARN_ON(size > MAX_PREEMPTDISABLE_TRANSFER);
+
 	/*
 	 * MI_STORE_DATA_IMM command is used to update page table. Each
-	 * instruction can update maximumly 0x1ff pte entries. To update
-	 * n (n <= 0x1ff) pte entries, we need:
-	 * 1 dword for the MI_STORE_DATA_IMM command header (opcode etc)
-	 * 2 dword for the page table's physical location
-	 * 2*n dword for value of pte to fill (each pte entry is 2 dwords)
+	 * instruction can update maximumly MAX_PTE_PER_SDI pte entries. To
+	 * update n (n <= MAX_PTE_PER_SDI) pte entries, we need:
+	 *
+	 * - 1 dword for the MI_STORE_DATA_IMM command header (opcode etc)
+	 * - 2 dword for the page table's physical location
+	 * - 2*n dword for value of pte to fill (each pte entry is 2 dwords)
 	 */
-	num_dword = (1 + 2) * DIV_U64_ROUND_UP(entries, 0x1ff);
+	num_dword = (1 + 2) * DIV_U64_ROUND_UP(entries, MAX_PTE_PER_SDI);
 	num_dword += entries * 2;
 
 	return num_dword;
@@ -1574,7 +1576,7 @@ static void build_pt_update_batch_sram(struct xe_migrate *m,
 
 	ptes = DIV_ROUND_UP(size, XE_PAGE_SIZE);
 	while (ptes) {
-		u32 chunk = min(0x1ffU, ptes);
+		u32 chunk = min(MAX_PTE_PER_SDI, ptes);
 
 		bb->cs[bb->len++] = MI_STORE_DATA_IMM | MI_SDI_NUM_QW(chunk);
 		bb->cs[bb->len++] = pt_offset;
diff --git linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_wa_oob.rules linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_wa_oob.rules
index 9b9e176992a8..320766f6c5df 100644
--- linux-libre-6.15.5-gnu/drivers/gpu/drm/xe/xe_wa_oob.rules
+++ linux-libre-6.15.6-gnu/drivers/gpu/drm/xe/xe_wa_oob.rules
@@ -57,3 +57,9 @@ no_media_l3	MEDIA_VERSION(3000)
 		GRAPHICS_VERSION(1260), GRAPHICS_STEP(A0, B0)
 16023105232	GRAPHICS_VERSION_RANGE(2001, 3001)
 		MEDIA_VERSION_RANGE(1301, 3000)
+16026508708	GRAPHICS_VERSION_RANGE(1200, 3001)
+		MEDIA_VERSION_RANGE(1300, 3000)
+
+# SoC workaround - currently applies to all platforms with the following
+# primary GT GMDID
+14022085890	GRAPHICS_VERSION(2001)
diff --git linux-libre-6.15.5-gnu/drivers/hid/hid-appletb-kbd.c linux-libre-6.15.6-gnu/drivers/hid/hid-appletb-kbd.c
index 747945dd450a..0d43938f44fb 100644
--- linux-libre-6.15.5-gnu/drivers/hid/hid-appletb-kbd.c
+++ linux-libre-6.15.6-gnu/drivers/hid/hid-appletb-kbd.c
@@ -427,16 +427,20 @@ static int appletb_kbd_probe(struct hid_device *hdev, const struct hid_device_id
 	ret = appletb_kbd_set_mode(kbd, appletb_tb_def_mode);
 	if (ret) {
 		dev_err_probe(dev, ret, "Failed to set touchbar mode\n");
-		goto close_hw;
+		goto unregister_handler;
 	}
 
 	hid_set_drvdata(hdev, kbd);
 
 	return 0;
 
+unregister_handler:
+	input_unregister_handler(&kbd->inp_handler);
 close_hw:
-	if (kbd->backlight_dev)
+	if (kbd->backlight_dev) {
 		put_device(&kbd->backlight_dev->dev);
+		timer_delete_sync(&kbd->inactivity_timer);
+	}
 	hid_hw_close(hdev);
 stop_hw:
 	hid_hw_stop(hdev);
@@ -450,10 +454,10 @@ static void appletb_kbd_remove(struct hid_device *hdev)
 	appletb_kbd_set_mode(kbd, APPLETB_KBD_MODE_OFF);
 
 	input_unregister_handler(&kbd->inp_handler);
-	timer_delete_sync(&kbd->inactivity_timer);
-
-	if (kbd->backlight_dev)
+	if (kbd->backlight_dev) {
 		put_device(&kbd->backlight_dev->dev);
+		timer_delete_sync(&kbd->inactivity_timer);
+	}
 
 	hid_hw_close(hdev);
 	hid_hw_stop(hdev);
diff --git linux-libre-6.15.5-gnu/drivers/i2c/busses/i2c-designware-master.c linux-libre-6.15.6-gnu/drivers/i2c/busses/i2c-designware-master.c
index c5394229b77f..40aa5114bf8c 100644
--- linux-libre-6.15.5-gnu/drivers/i2c/busses/i2c-designware-master.c
+++ linux-libre-6.15.6-gnu/drivers/i2c/busses/i2c-designware-master.c
@@ -363,6 +363,7 @@ static int amd_i2c_dw_xfer_quirk(struct i2c_adapter *adap, struct i2c_msg *msgs,
 
 	dev->msgs = msgs;
 	dev->msgs_num = num_msgs;
+	dev->msg_write_idx = 0;
 	i2c_dw_xfer_init(dev);
 
 	/* Initiate messages read/write transaction */
diff --git linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/counters.c linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/counters.c
index b847084dcd99..a506fafd2b15 100644
--- linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/counters.c
+++ linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/counters.c
@@ -398,7 +398,7 @@ static int do_get_hw_stats(struct ib_device *ibdev,
 		return ret;
 
 	/* We don't expose device counters over Vports */
-	if (is_mdev_switchdev_mode(dev->mdev) && port_num != 0)
+	if (is_mdev_switchdev_mode(dev->mdev) && dev->is_rep && port_num != 0)
 		goto done;
 
 	if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) {
@@ -418,7 +418,7 @@ static int do_get_hw_stats(struct ib_device *ibdev,
 			 */
 			goto done;
 		}
-		ret = mlx5_lag_query_cong_counters(dev->mdev,
+		ret = mlx5_lag_query_cong_counters(mdev,
 						   stats->value +
 						   cnts->num_q_counters,
 						   cnts->num_cong_counters,
diff --git linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/devx.c linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/devx.c
index 2479da8620ca..843dcd312242 100644
--- linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/devx.c
+++ linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/devx.c
@@ -1958,6 +1958,7 @@ subscribe_event_xa_alloc(struct mlx5_devx_event_table *devx_event_table,
 			/* Level1 is valid for future use, no need to free */
 			return -ENOMEM;
 
+		INIT_LIST_HEAD(&obj_event->obj_sub_list);
 		err = xa_insert(&event->object_ids,
 				key_level2,
 				obj_event,
@@ -1966,7 +1967,6 @@ subscribe_event_xa_alloc(struct mlx5_devx_event_table *devx_event_table,
 			kfree(obj_event);
 			return err;
 		}
-		INIT_LIST_HEAD(&obj_event->obj_sub_list);
 	}
 
 	return 0;
@@ -2669,7 +2669,7 @@ static void devx_wait_async_destroy(struct mlx5_async_cmd *cmd)
 
 void mlx5_ib_ufile_hw_cleanup(struct ib_uverbs_file *ufile)
 {
-	struct mlx5_async_cmd async_cmd[MAX_ASYNC_CMDS];
+	struct mlx5_async_cmd *async_cmd;
 	struct ib_ucontext *ucontext = ufile->ucontext;
 	struct ib_device *device = ucontext->device;
 	struct mlx5_ib_dev *dev = to_mdev(device);
@@ -2678,6 +2678,10 @@ void mlx5_ib_ufile_hw_cleanup(struct ib_uverbs_file *ufile)
 	int head = 0;
 	int tail = 0;
 
+	async_cmd = kcalloc(MAX_ASYNC_CMDS, sizeof(*async_cmd), GFP_KERNEL);
+	if (!async_cmd)
+		return;
+
 	list_for_each_entry(uobject, &ufile->uobjects, list) {
 		WARN_ON(uverbs_try_lock_object(uobject, UVERBS_LOOKUP_WRITE));
 
@@ -2713,6 +2717,8 @@ void mlx5_ib_ufile_hw_cleanup(struct ib_uverbs_file *ufile)
 		devx_wait_async_destroy(&async_cmd[head % MAX_ASYNC_CMDS]);
 		head++;
 	}
+
+	kfree(async_cmd);
 }
 
 static ssize_t devx_async_cmd_event_read(struct file *filp, char __user *buf,
diff --git linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/main.c linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/main.c
index d07cacaa0abd..4ffe3afb560c 100644
--- linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/main.c
+++ linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/main.c
@@ -1779,6 +1779,33 @@ static void deallocate_uars(struct mlx5_ib_dev *dev,
 					     context->devx_uid);
 }
 
+static int mlx5_ib_enable_lb_mp(struct mlx5_core_dev *master,
+				struct mlx5_core_dev *slave)
+{
+	int err;
+
+	err = mlx5_nic_vport_update_local_lb(master, true);
+	if (err)
+		return err;
+
+	err = mlx5_nic_vport_update_local_lb(slave, true);
+	if (err)
+		goto out;
+
+	return 0;
+
+out:
+	mlx5_nic_vport_update_local_lb(master, false);
+	return err;
+}
+
+static void mlx5_ib_disable_lb_mp(struct mlx5_core_dev *master,
+				  struct mlx5_core_dev *slave)
+{
+	mlx5_nic_vport_update_local_lb(slave, false);
+	mlx5_nic_vport_update_local_lb(master, false);
+}
+
 int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp)
 {
 	int err = 0;
@@ -3483,6 +3510,8 @@ static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev,
 
 	lockdep_assert_held(&mlx5_ib_multiport_mutex);
 
+	mlx5_ib_disable_lb_mp(ibdev->mdev, mpi->mdev);
+
 	mlx5_core_mp_event_replay(ibdev->mdev,
 				  MLX5_DRIVER_EVENT_AFFILIATION_REMOVED,
 				  NULL);
@@ -3578,6 +3607,10 @@ static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev,
 				  MLX5_DRIVER_EVENT_AFFILIATION_DONE,
 				  &key);
 
+	err = mlx5_ib_enable_lb_mp(ibdev->mdev, mpi->mdev);
+	if (err)
+		goto unbind;
+
 	return true;
 
 unbind:
diff --git linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/mr.c linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/mr.c
index 5fbebafc8774..cb403134eeae 100644
--- linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/mr.c
+++ linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/mr.c
@@ -2027,23 +2027,50 @@ void mlx5_ib_revoke_data_direct_mrs(struct mlx5_ib_dev *dev)
 	}
 }
 
-static int mlx5_revoke_mr(struct mlx5_ib_mr *mr)
+static int mlx5_umr_revoke_mr_with_lock(struct mlx5_ib_mr *mr)
 {
-	struct mlx5_ib_dev *dev = to_mdev(mr->ibmr.device);
-	struct mlx5_cache_ent *ent = mr->mmkey.cache_ent;
-	bool is_odp = is_odp_mr(mr);
 	bool is_odp_dma_buf = is_dmabuf_mr(mr) &&
-			!to_ib_umem_dmabuf(mr->umem)->pinned;
-	bool from_cache = !!ent;
-	int ret = 0;
+			      !to_ib_umem_dmabuf(mr->umem)->pinned;
+	bool is_odp = is_odp_mr(mr);
+	int ret;
 
 	if (is_odp)
 		mutex_lock(&to_ib_umem_odp(mr->umem)->umem_mutex);
 
 	if (is_odp_dma_buf)
-		dma_resv_lock(to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv, NULL);
+		dma_resv_lock(to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv,
+			      NULL);
+
+	ret = mlx5r_umr_revoke_mr(mr);
+
+	if (is_odp) {
+		if (!ret)
+			to_ib_umem_odp(mr->umem)->private = NULL;
+		mutex_unlock(&to_ib_umem_odp(mr->umem)->umem_mutex);
+	}
+
+	if (is_odp_dma_buf) {
+		if (!ret)
+			to_ib_umem_dmabuf(mr->umem)->private = NULL;
+		dma_resv_unlock(
+			to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv);
+	}
 
-	if (mr->mmkey.cacheable && !mlx5r_umr_revoke_mr(mr) && !cache_ent_find_and_store(dev, mr)) {
+	return ret;
+}
+
+static int mlx5r_handle_mkey_cleanup(struct mlx5_ib_mr *mr)
+{
+	bool is_odp_dma_buf = is_dmabuf_mr(mr) &&
+			      !to_ib_umem_dmabuf(mr->umem)->pinned;
+	struct mlx5_ib_dev *dev = to_mdev(mr->ibmr.device);
+	struct mlx5_cache_ent *ent = mr->mmkey.cache_ent;
+	bool is_odp = is_odp_mr(mr);
+	bool from_cache = !!ent;
+	int ret;
+
+	if (mr->mmkey.cacheable && !mlx5_umr_revoke_mr_with_lock(mr) &&
+	    !cache_ent_find_and_store(dev, mr)) {
 		ent = mr->mmkey.cache_ent;
 		/* upon storing to a clean temp entry - schedule its cleanup */
 		spin_lock_irq(&ent->mkeys_queue.lock);
@@ -2055,7 +2082,7 @@ static int mlx5_revoke_mr(struct mlx5_ib_mr *mr)
 			ent->tmp_cleanup_scheduled = true;
 		}
 		spin_unlock_irq(&ent->mkeys_queue.lock);
-		goto out;
+		return 0;
 	}
 
 	if (ent) {
@@ -2064,8 +2091,14 @@ static int mlx5_revoke_mr(struct mlx5_ib_mr *mr)
 		mr->mmkey.cache_ent = NULL;
 		spin_unlock_irq(&ent->mkeys_queue.lock);
 	}
+
+	if (is_odp)
+		mutex_lock(&to_ib_umem_odp(mr->umem)->umem_mutex);
+
+	if (is_odp_dma_buf)
+		dma_resv_lock(to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv,
+			      NULL);
 	ret = destroy_mkey(dev, mr);
-out:
 	if (is_odp) {
 		if (!ret)
 			to_ib_umem_odp(mr->umem)->private = NULL;
@@ -2075,9 +2108,9 @@ out:
 	if (is_odp_dma_buf) {
 		if (!ret)
 			to_ib_umem_dmabuf(mr->umem)->private = NULL;
-		dma_resv_unlock(to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv);
+		dma_resv_unlock(
+			to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv);
 	}
-
 	return ret;
 }
 
@@ -2126,7 +2159,7 @@ static int __mlx5_ib_dereg_mr(struct ib_mr *ibmr)
 	}
 
 	/* Stop DMA */
-	rc = mlx5_revoke_mr(mr);
+	rc = mlx5r_handle_mkey_cleanup(mr);
 	if (rc)
 		return rc;
 
diff --git linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/odp.c linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/odp.c
index 86d8fa63bf69..4183bab753a3 100644
--- linux-libre-6.15.5-gnu/drivers/infiniband/hw/mlx5/odp.c
+++ linux-libre-6.15.6-gnu/drivers/infiniband/hw/mlx5/odp.c
@@ -247,8 +247,8 @@ static void destroy_unused_implicit_child_mr(struct mlx5_ib_mr *mr)
 	}
 
 	if (MLX5_CAP_ODP(mr_to_mdev(mr)->mdev, mem_page_fault))
-		__xa_erase(&mr_to_mdev(mr)->odp_mkeys,
-			   mlx5_base_mkey(mr->mmkey.key));
+		xa_erase(&mr_to_mdev(mr)->odp_mkeys,
+			 mlx5_base_mkey(mr->mmkey.key));
 	xa_unlock(&imr->implicit_children);
 
 	/* Freeing a MR is a sleeping operation, so bounce to a work queue */
@@ -521,8 +521,8 @@ static struct mlx5_ib_mr *implicit_get_child_mr(struct mlx5_ib_mr *imr,
 	}
 
 	if (MLX5_CAP_ODP(dev->mdev, mem_page_fault)) {
-		ret = __xa_store(&dev->odp_mkeys, mlx5_base_mkey(mr->mmkey.key),
-				 &mr->mmkey, GFP_KERNEL);
+		ret = xa_store(&dev->odp_mkeys, mlx5_base_mkey(mr->mmkey.key),
+			       &mr->mmkey, GFP_KERNEL);
 		if (xa_is_err(ret)) {
 			ret = ERR_PTR(xa_err(ret));
 			__xa_erase(&imr->implicit_children, idx);
diff --git linux-libre-6.15.5-gnu/drivers/input/joystick/xpad.c linux-libre-6.15.6-gnu/drivers/input/joystick/xpad.c
index 1008858f78e2..8c0af1d26a30 100644
--- linux-libre-6.15.5-gnu/drivers/input/joystick/xpad.c
+++ linux-libre-6.15.6-gnu/drivers/input/joystick/xpad.c
@@ -174,6 +174,7 @@ static const struct xpad_device {
 	{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX },
 	{ 0x05fe, 0x3030, "Chic Controller", 0, XTYPE_XBOX },
 	{ 0x05fe, 0x3031, "Chic Controller", 0, XTYPE_XBOX },
+	{ 0x0502, 0x1305, "Acer NGR200", 0, XTYPE_XBOX },
 	{ 0x062a, 0x0020, "Logic3 Xbox GamePad", 0, XTYPE_XBOX },
 	{ 0x062a, 0x0033, "Competition Pro Steering Wheel", 0, XTYPE_XBOX },
 	{ 0x06a3, 0x0200, "Saitek Racing Wheel", 0, XTYPE_XBOX },
@@ -520,6 +521,7 @@ static const struct usb_device_id xpad_table[] = {
 	XPAD_XBOX360_VENDOR(0x045e),		/* Microsoft Xbox 360 controllers */
 	XPAD_XBOXONE_VENDOR(0x045e),		/* Microsoft Xbox One controllers */
 	XPAD_XBOX360_VENDOR(0x046d),		/* Logitech Xbox 360-style controllers */
+	XPAD_XBOX360_VENDOR(0x0502),		/* Acer Inc. Xbox 360 style controllers */
 	XPAD_XBOX360_VENDOR(0x056e),		/* Elecom JC-U3613M */
 	XPAD_XBOX360_VENDOR(0x06a3),		/* Saitek P3600 */
 	XPAD_XBOX360_VENDOR(0x0738),		/* Mad Catz Xbox 360 controllers */
diff --git linux-libre-6.15.5-gnu/drivers/input/misc/cs40l50-vibra.c linux-libre-6.15.6-gnu/drivers/input/misc/cs40l50-vibra.c
index dce3b0ec8cf3..330f09123631 100644
--- linux-libre-6.15.5-gnu/drivers/input/misc/cs40l50-vibra.c
+++ linux-libre-6.15.6-gnu/drivers/input/misc/cs40l50-vibra.c
@@ -238,6 +238,8 @@ static int cs40l50_upload_owt(struct cs40l50_work *work_data)
 	header.data_words = len / sizeof(u32);
 
 	new_owt_effect_data = kmalloc(sizeof(header) + len, GFP_KERNEL);
+	if (!new_owt_effect_data)
+		return -ENOMEM;
 
 	memcpy(new_owt_effect_data, &header, sizeof(header));
 	memcpy(new_owt_effect_data + sizeof(header), work_data->custom_data, len);
diff --git linux-libre-6.15.5-gnu/drivers/input/misc/iqs7222.c linux-libre-6.15.6-gnu/drivers/input/misc/iqs7222.c
index 80b917944b51..6fac31c0d99f 100644
--- linux-libre-6.15.5-gnu/drivers/input/misc/iqs7222.c
+++ linux-libre-6.15.6-gnu/drivers/input/misc/iqs7222.c
@@ -301,6 +301,7 @@ struct iqs7222_dev_desc {
 	int allow_offset;
 	int event_offset;
 	int comms_offset;
+	int ext_chan;
 	bool legacy_gesture;
 	struct iqs7222_reg_grp_desc reg_grps[IQS7222_NUM_REG_GRPS];
 };
@@ -315,6 +316,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = {
 		.allow_offset = 9,
 		.event_offset = 10,
 		.comms_offset = 12,
+		.ext_chan = 10,
 		.reg_grps = {
 			[IQS7222_REG_GRP_STAT] = {
 				.base = IQS7222_SYS_STATUS,
@@ -373,6 +375,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = {
 		.allow_offset = 9,
 		.event_offset = 10,
 		.comms_offset = 12,
+		.ext_chan = 10,
 		.legacy_gesture = true,
 		.reg_grps = {
 			[IQS7222_REG_GRP_STAT] = {
@@ -2244,7 +2247,7 @@ static int iqs7222_parse_chan(struct iqs7222_private *iqs7222,
 	const struct iqs7222_dev_desc *dev_desc = iqs7222->dev_desc;
 	struct i2c_client *client = iqs7222->client;
 	int num_chan = dev_desc->reg_grps[IQS7222_REG_GRP_CHAN].num_row;
-	int ext_chan = rounddown(num_chan, 10);
+	int ext_chan = dev_desc->ext_chan ? : num_chan;
 	int error, i;
 	u16 *chan_setup = iqs7222->chan_setup[chan_index];
 	u16 *sys_setup = iqs7222->sys_setup;
@@ -2445,7 +2448,7 @@ static int iqs7222_parse_sldr(struct iqs7222_private *iqs7222,
 	const struct iqs7222_dev_desc *dev_desc = iqs7222->dev_desc;
 	struct i2c_client *client = iqs7222->client;
 	int num_chan = dev_desc->reg_grps[IQS7222_REG_GRP_CHAN].num_row;
-	int ext_chan = rounddown(num_chan, 10);
+	int ext_chan = dev_desc->ext_chan ? : num_chan;
 	int count, error, reg_offset, i;
 	u16 *event_mask = &iqs7222->sys_setup[dev_desc->event_offset];
 	u16 *sldr_setup = iqs7222->sldr_setup[sldr_index];
diff --git linux-libre-6.15.5-gnu/drivers/iommu/intel/cache.c linux-libre-6.15.6-gnu/drivers/iommu/intel/cache.c
index fc35cba59145..47692cbfaabd 100644
--- linux-libre-6.15.5-gnu/drivers/iommu/intel/cache.c
+++ linux-libre-6.15.6-gnu/drivers/iommu/intel/cache.c
@@ -40,9 +40,8 @@ static bool cache_tage_match(struct cache_tag *tag, u16 domain_id,
 }
 
 /* Assign a cache tag with specified type to domain. */
-static int cache_tag_assign(struct dmar_domain *domain, u16 did,
-			    struct device *dev, ioasid_t pasid,
-			    enum cache_tag_type type)
+int cache_tag_assign(struct dmar_domain *domain, u16 did, struct device *dev,
+		     ioasid_t pasid, enum cache_tag_type type)
 {
 	struct device_domain_info *info = dev_iommu_priv_get(dev);
 	struct intel_iommu *iommu = info->iommu;
diff --git linux-libre-6.15.5-gnu/drivers/iommu/intel/iommu.c linux-libre-6.15.6-gnu/drivers/iommu/intel/iommu.c
index 9d2d34c1b2ff..ff07ee2940f5 100644
--- linux-libre-6.15.5-gnu/drivers/iommu/intel/iommu.c
+++ linux-libre-6.15.6-gnu/drivers/iommu/intel/iommu.c
@@ -3819,8 +3819,17 @@ static void intel_iommu_probe_finalize(struct device *dev)
 	    !pci_enable_pasid(to_pci_dev(dev), info->pasid_supported & ~1))
 		info->pasid_enabled = 1;
 
-	if (sm_supported(iommu) && !dev_is_real_dma_subdevice(dev))
+	if (sm_supported(iommu) && !dev_is_real_dma_subdevice(dev)) {
 		iommu_enable_pci_ats(info);
+		/* Assign a DEVTLB cache tag to the default domain. */
+		if (info->ats_enabled && info->domain) {
+			u16 did = domain_id_iommu(info->domain, iommu);
+
+			if (cache_tag_assign(info->domain, did, dev,
+					     IOMMU_NO_PASID, CACHE_TAG_DEVTLB))
+				iommu_disable_pci_ats(info);
+		}
+	}
 	iommu_enable_pci_pri(info);
 }
 
diff --git linux-libre-6.15.5-gnu/drivers/iommu/intel/iommu.h linux-libre-6.15.6-gnu/drivers/iommu/intel/iommu.h
index 8661e0864701..814f5ed20018 100644
--- linux-libre-6.15.5-gnu/drivers/iommu/intel/iommu.h
+++ linux-libre-6.15.6-gnu/drivers/iommu/intel/iommu.h
@@ -1277,6 +1277,8 @@ struct cache_tag {
 	unsigned int users;
 };
 
+int cache_tag_assign(struct dmar_domain *domain, u16 did, struct device *dev,
+		     ioasid_t pasid, enum cache_tag_type type);
 int cache_tag_assign_domain(struct dmar_domain *domain,
 			    struct device *dev, ioasid_t pasid);
 void cache_tag_unassign_domain(struct dmar_domain *domain,
diff --git linux-libre-6.15.5-gnu/drivers/iommu/rockchip-iommu.c linux-libre-6.15.6-gnu/drivers/iommu/rockchip-iommu.c
index af4cc91b2bbf..97d4bfcd8241 100644
--- linux-libre-6.15.5-gnu/drivers/iommu/rockchip-iommu.c
+++ linux-libre-6.15.6-gnu/drivers/iommu/rockchip-iommu.c
@@ -1155,7 +1155,6 @@ static int rk_iommu_of_xlate(struct device *dev,
 		return -ENOMEM;
 
 	data->iommu = platform_get_drvdata(iommu_dev);
-	data->iommu->domain = &rk_identity_domain;
 	dev_iommu_priv_set(dev, data);
 
 	platform_device_put(iommu_dev);
@@ -1193,6 +1192,8 @@ static int rk_iommu_probe(struct platform_device *pdev)
 	if (!iommu)
 		return -ENOMEM;
 
+	iommu->domain = &rk_identity_domain;
+
 	platform_set_drvdata(pdev, iommu);
 	iommu->dev = dev;
 	iommu->num_mmu = 0;
diff --git linux-libre-6.15.5-gnu/drivers/mmc/core/quirks.h linux-libre-6.15.6-gnu/drivers/mmc/core/quirks.h
index 7f893bafaa60..c417ed34c057 100644
--- linux-libre-6.15.5-gnu/drivers/mmc/core/quirks.h
+++ linux-libre-6.15.6-gnu/drivers/mmc/core/quirks.h
@@ -44,6 +44,12 @@ static const struct mmc_fixup __maybe_unused mmc_sd_fixups[] = {
 		   0, -1ull, SDIO_ANY_ID, SDIO_ANY_ID, add_quirk_sd,
 		   MMC_QUIRK_NO_UHS_DDR50_TUNING, EXT_CSD_REV_ANY),
 
+	/*
+	 * Some SD cards reports discard support while they don't
+	 */
+	MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
+		  MMC_QUIRK_BROKEN_SD_DISCARD),
+
 	END_FIXUP
 };
 
@@ -147,12 +153,6 @@ static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
 	MMC_FIXUP("M62704", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc,
 		  MMC_QUIRK_TRIM_BROKEN),
 
-	/*
-	 * Some SD cards reports discard support while they don't
-	 */
-	MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
-		  MMC_QUIRK_BROKEN_SD_DISCARD),
-
 	END_FIXUP
 };
 
diff --git linux-libre-6.15.5-gnu/drivers/mmc/core/sd_uhs2.c linux-libre-6.15.6-gnu/drivers/mmc/core/sd_uhs2.c
index 1c31d0dfa961..de17d1611290 100644
--- linux-libre-6.15.5-gnu/drivers/mmc/core/sd_uhs2.c
+++ linux-libre-6.15.6-gnu/drivers/mmc/core/sd_uhs2.c
@@ -91,8 +91,8 @@ static int sd_uhs2_phy_init(struct mmc_host *host)
 
 	err = host->ops->uhs2_control(host, UHS2_PHY_INIT);
 	if (err) {
-		pr_err("%s: failed to initial phy for UHS-II!\n",
-		       mmc_hostname(host));
+		pr_debug("%s: failed to initial phy for UHS-II!\n",
+			 mmc_hostname(host));
 	}
 
 	return err;
diff --git linux-libre-6.15.5-gnu/drivers/mmc/host/mtk-sd.c linux-libre-6.15.6-gnu/drivers/mmc/host/mtk-sd.c
index 345ea91629e0..b15dc542a2ea 100644
--- linux-libre-6.15.5-gnu/drivers/mmc/host/mtk-sd.c
+++ linux-libre-6.15.6-gnu/drivers/mmc/host/mtk-sd.c
@@ -827,12 +827,18 @@ static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
 static void msdc_prepare_data(struct msdc_host *host, struct mmc_data *data)
 {
 	if (!(data->host_cookie & MSDC_PREPARE_FLAG)) {
-		data->host_cookie |= MSDC_PREPARE_FLAG;
 		data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len,
 					    mmc_get_dma_dir(data));
+		if (data->sg_count)
+			data->host_cookie |= MSDC_PREPARE_FLAG;
 	}
 }
 
+static bool msdc_data_prepared(struct mmc_data *data)
+{
+	return data->host_cookie & MSDC_PREPARE_FLAG;
+}
+
 static void msdc_unprepare_data(struct msdc_host *host, struct mmc_data *data)
 {
 	if (data->host_cookie & MSDC_ASYNC_FLAG)
@@ -1465,8 +1471,19 @@ static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	WARN_ON(!host->hsq_en && host->mrq);
 	host->mrq = mrq;
 
-	if (mrq->data)
+	if (mrq->data) {
 		msdc_prepare_data(host, mrq->data);
+		if (!msdc_data_prepared(mrq->data)) {
+			host->mrq = NULL;
+			/*
+			 * Failed to prepare DMA area, fail fast before
+			 * starting any commands.
+			 */
+			mrq->cmd->error = -ENOSPC;
+			mmc_request_done(mmc_from_priv(host), mrq);
+			return;
+		}
+	}
 
 	/* if SBC is required, we have HW option and SW option.
 	 * if HW option is enabled, and SBC does not have "special" flags,
diff --git linux-libre-6.15.5-gnu/drivers/mmc/host/sdhci-uhs2.c linux-libre-6.15.6-gnu/drivers/mmc/host/sdhci-uhs2.c
index c53b64d50c0d..0efeb9d0c376 100644
--- linux-libre-6.15.5-gnu/drivers/mmc/host/sdhci-uhs2.c
+++ linux-libre-6.15.6-gnu/drivers/mmc/host/sdhci-uhs2.c
@@ -99,8 +99,8 @@ void sdhci_uhs2_reset(struct sdhci_host *host, u16 mask)
 	/* hw clears the bit when it's done */
 	if (read_poll_timeout_atomic(sdhci_readw, val, !(val & mask), 10,
 				     UHS2_RESET_TIMEOUT_100MS, true, host, SDHCI_UHS2_SW_RESET)) {
-		pr_warn("%s: %s: Reset 0x%x never completed. %s: clean reset bit.\n", __func__,
-			mmc_hostname(host->mmc), (int)mask, mmc_hostname(host->mmc));
+		pr_debug("%s: %s: Reset 0x%x never completed. %s: clean reset bit.\n", __func__,
+			 mmc_hostname(host->mmc), (int)mask, mmc_hostname(host->mmc));
 		sdhci_writeb(host, 0, SDHCI_UHS2_SW_RESET);
 		return;
 	}
@@ -335,8 +335,8 @@ static int sdhci_uhs2_interface_detect(struct sdhci_host *host)
 	if (read_poll_timeout(sdhci_readl, val, (val & SDHCI_UHS2_IF_DETECT),
 			      100, UHS2_INTERFACE_DETECT_TIMEOUT_100MS, true,
 			      host, SDHCI_PRESENT_STATE)) {
-		pr_warn("%s: not detect UHS2 interface in 100ms.\n", mmc_hostname(host->mmc));
-		sdhci_dumpregs(host);
+		pr_debug("%s: not detect UHS2 interface in 100ms.\n", mmc_hostname(host->mmc));
+		sdhci_dbg_dumpregs(host, "UHS2 interface detect timeout in 100ms");
 		return -EIO;
 	}
 
@@ -345,8 +345,8 @@ static int sdhci_uhs2_interface_detect(struct sdhci_host *host)
 
 	if (read_poll_timeout(sdhci_readl, val, (val & SDHCI_UHS2_LANE_SYNC),
 			      100, UHS2_LANE_SYNC_TIMEOUT_150MS, true, host, SDHCI_PRESENT_STATE)) {
-		pr_warn("%s: UHS2 Lane sync fail in 150ms.\n", mmc_hostname(host->mmc));
-		sdhci_dumpregs(host);
+		pr_debug("%s: UHS2 Lane sync fail in 150ms.\n", mmc_hostname(host->mmc));
+		sdhci_dbg_dumpregs(host, "UHS2 Lane sync fail in 150ms");
 		return -EIO;
 	}
 
@@ -417,12 +417,12 @@ static int sdhci_uhs2_do_detect_init(struct mmc_host *mmc)
 		host->ops->uhs2_pre_detect_init(host);
 
 	if (sdhci_uhs2_interface_detect(host)) {
-		pr_warn("%s: cannot detect UHS2 interface.\n", mmc_hostname(host->mmc));
+		pr_debug("%s: cannot detect UHS2 interface.\n", mmc_hostname(host->mmc));
 		return -EIO;
 	}
 
 	if (sdhci_uhs2_init(host)) {
-		pr_warn("%s: UHS2 init fail.\n", mmc_hostname(host->mmc));
+		pr_debug("%s: UHS2 init fail.\n", mmc_hostname(host->mmc));
 		return -EIO;
 	}
 
@@ -504,8 +504,8 @@ static int sdhci_uhs2_check_dormant(struct sdhci_host *host)
 	if (read_poll_timeout(sdhci_readl, val, (val & SDHCI_UHS2_IN_DORMANT_STATE),
 			      100, UHS2_CHECK_DORMANT_TIMEOUT_100MS, true, host,
 			      SDHCI_PRESENT_STATE)) {
-		pr_warn("%s: UHS2 IN_DORMANT fail in 100ms.\n", mmc_hostname(host->mmc));
-		sdhci_dumpregs(host);
+		pr_debug("%s: UHS2 IN_DORMANT fail in 100ms.\n", mmc_hostname(host->mmc));
+		sdhci_dbg_dumpregs(host, "UHS2 IN_DORMANT fail in 100ms");
 		return -EIO;
 	}
 	return 0;
diff --git linux-libre-6.15.5-gnu/drivers/mmc/host/sdhci.c linux-libre-6.15.6-gnu/drivers/mmc/host/sdhci.c
index 5f78be7ae16d..0f31746b8a09 100644
--- linux-libre-6.15.5-gnu/drivers/mmc/host/sdhci.c
+++ linux-libre-6.15.6-gnu/drivers/mmc/host/sdhci.c
@@ -2065,15 +2065,10 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 
 	host->mmc->actual_clock = 0;
 
-	clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
-	if (clk & SDHCI_CLOCK_CARD_EN)
-		sdhci_writew(host, clk & ~SDHCI_CLOCK_CARD_EN,
-			SDHCI_CLOCK_CONTROL);
+	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
 
-	if (clock == 0) {
-		sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+	if (clock == 0)
 		return;
-	}
 
 	clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock);
 	sdhci_enable_clk(host, clk);
diff --git linux-libre-6.15.5-gnu/drivers/mmc/host/sdhci.h linux-libre-6.15.6-gnu/drivers/mmc/host/sdhci.h
index cd0e35a80542..2c28240e6003 100644
--- linux-libre-6.15.5-gnu/drivers/mmc/host/sdhci.h
+++ linux-libre-6.15.6-gnu/drivers/mmc/host/sdhci.h
@@ -898,4 +898,20 @@ void sdhci_switch_external_dma(struct sdhci_host *host, bool en);
 void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable);
 void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd);
 
+#if defined(CONFIG_DYNAMIC_DEBUG) || \
+	(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
+#define SDHCI_DBG_ANYWAY 0
+#elif defined(DEBUG)
+#define SDHCI_DBG_ANYWAY 1
+#else
+#define SDHCI_DBG_ANYWAY 0
+#endif
+
+#define sdhci_dbg_dumpregs(host, fmt)					\
+do {									\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
+	if (DYNAMIC_DEBUG_BRANCH(descriptor) ||	SDHCI_DBG_ANYWAY)	\
+		sdhci_dumpregs(host);					\
+} while (0)
+
 #endif /* __SDHCI_HW_H */
diff --git linux-libre-6.15.5-gnu/drivers/mtd/nand/spi/core.c linux-libre-6.15.6-gnu/drivers/mtd/nand/spi/core.c
index d16e42cf8fae..303aede6e5aa 100644
--- linux-libre-6.15.5-gnu/drivers/mtd/nand/spi/core.c
+++ linux-libre-6.15.6-gnu/drivers/mtd/nand/spi/core.c
@@ -1585,6 +1585,7 @@ static void spinand_cleanup(struct spinand_device *spinand)
 {
 	struct nand_device *nand = spinand_to_nand(spinand);
 
+	nanddev_ecc_engine_cleanup(nand);
 	nanddev_cleanup(nand);
 	spinand_manufacturer_cleanup(spinand);
 	kfree(spinand->databuf);
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe-common.h linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe-common.h
index 3b70f6737633..aa25a8a0a106 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe-common.h
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe-common.h
@@ -1373,6 +1373,8 @@
 #define MDIO_VEND2_CTRL1_SS13		BIT(13)
 #endif
 
+#define XGBE_VEND2_MAC_AUTO_SW		BIT(9)
+
 /* MDIO mask values */
 #define XGBE_AN_CL73_INT_CMPLT		BIT(0)
 #define XGBE_AN_CL73_INC_LINK		BIT(1)
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 07f4f3418d01..ed76a8df6ec6 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -375,6 +375,10 @@ static void xgbe_an37_set(struct xgbe_prv_data *pdata, bool enable,
 		reg |= MDIO_VEND2_CTRL1_AN_RESTART;
 
 	XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_CTRL1, reg);
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL);
+	reg |= XGBE_VEND2_MAC_AUTO_SW;
+	XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL, reg);
 }
 
 static void xgbe_an37_restart(struct xgbe_prv_data *pdata)
@@ -1003,6 +1007,11 @@ static void xgbe_an37_init(struct xgbe_prv_data *pdata)
 
 	netif_dbg(pdata, link, pdata->netdev, "CL37 AN (%s) initialized\n",
 		  (pdata->an_mode == XGBE_AN_MODE_CL37) ? "BaseX" : "SGMII");
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1);
+	reg &= ~MDIO_AN_CTRL1_ENABLE;
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_CTRL1, reg);
+
 }
 
 static void xgbe_an73_init(struct xgbe_prv_data *pdata)
@@ -1404,6 +1413,10 @@ static void xgbe_phy_status(struct xgbe_prv_data *pdata)
 
 	pdata->phy.link = pdata->phy_if.phy_impl.link_status(pdata,
 							     &an_restart);
+	/* bail out if the link status register read fails */
+	if (pdata->phy.link < 0)
+		return;
+
 	if (an_restart) {
 		xgbe_phy_config_aneg(pdata);
 		goto adjust_link;
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index 268399dfcf22..32e633d11348 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -2855,8 +2855,7 @@ static bool xgbe_phy_valid_speed(struct xgbe_prv_data *pdata, int speed)
 static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
 {
 	struct xgbe_phy_data *phy_data = pdata->phy_data;
-	unsigned int reg;
-	int ret;
+	int reg, ret;
 
 	*an_restart = 0;
 
@@ -2890,11 +2889,20 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
 			return 0;
 	}
 
-	/* Link status is latched low, so read once to clear
-	 * and then read again to get current state
-	 */
-	reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
 	reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
+	if (reg < 0)
+		return reg;
+
+	/* Link status is latched low so that momentary link drops
+	 * can be detected. If link was already down read again
+	 * to get the latest state.
+	 */
+
+	if (!pdata->phy.link && !(reg & MDIO_STAT1_LSTATUS)) {
+		reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
+		if (reg < 0)
+			return reg;
+	}
 
 	if (pdata->en_rx_adap) {
 		/* if the link is available and adaptation is done,
@@ -2913,9 +2921,7 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
 			xgbe_phy_set_mode(pdata, phy_data->cur_mode);
 		}
 
-		/* check again for the link and adaptation status */
-		reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
-		if ((reg & MDIO_STAT1_LSTATUS) && pdata->rx_adapt_done)
+		if (pdata->rx_adapt_done)
 			return 1;
 	} else if (reg & MDIO_STAT1_LSTATUS)
 		return 1;
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe.h linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe.h
index ed5d43c16d0e..7526a0906b39 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -292,12 +292,12 @@
 #define XGBE_LINK_TIMEOUT		5
 #define XGBE_KR_TRAINING_WAIT_ITER	50
 
-#define XGBE_SGMII_AN_LINK_STATUS	BIT(1)
+#define XGBE_SGMII_AN_LINK_DUPLEX	BIT(1)
 #define XGBE_SGMII_AN_LINK_SPEED	(BIT(2) | BIT(3))
 #define XGBE_SGMII_AN_LINK_SPEED_10	0x00
 #define XGBE_SGMII_AN_LINK_SPEED_100	0x04
 #define XGBE_SGMII_AN_LINK_SPEED_1000	0x08
-#define XGBE_SGMII_AN_LINK_DUPLEX	BIT(4)
+#define XGBE_SGMII_AN_LINK_STATUS	BIT(4)
 
 /* ECC correctable error notification window (seconds) */
 #define XGBE_ECC_LIMIT			60
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/atheros/atlx/atl1.c linux-libre-6.15.6-gnu/drivers/net/ethernet/atheros/atlx/atl1.c
index 38cd84b7677c..86663aa0de17 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/atheros/atlx/atl1.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -1861,14 +1861,21 @@ static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter)
 			break;
 		}
 
-		buffer_info->alloced = 1;
-		buffer_info->skb = skb;
-		buffer_info->length = (u16) adapter->rx_buffer_len;
 		page = virt_to_page(skb->data);
 		offset = offset_in_page(skb->data);
 		buffer_info->dma = dma_map_page(&pdev->dev, page, offset,
 						adapter->rx_buffer_len,
 						DMA_FROM_DEVICE);
+		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
+			kfree_skb(skb);
+			adapter->soft_stats.rx_dropped++;
+			break;
+		}
+
+		buffer_info->alloced = 1;
+		buffer_info->skb = skb;
+		buffer_info->length = (u16)adapter->rx_buffer_len;
+
 		rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
 		rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len);
 		rfd_desc->coalese = 0;
@@ -2183,8 +2190,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,
 	return 0;
 }
 
-static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
-	struct tx_packet_desc *ptpd)
+static bool atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
+			struct tx_packet_desc *ptpd)
 {
 	struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
 	struct atl1_buffer *buffer_info;
@@ -2194,6 +2201,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 	unsigned int nr_frags;
 	unsigned int f;
 	int retval;
+	u16 first_mapped;
 	u16 next_to_use;
 	u16 data_len;
 	u8 hdr_len;
@@ -2201,6 +2209,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 	buf_len -= skb->data_len;
 	nr_frags = skb_shinfo(skb)->nr_frags;
 	next_to_use = atomic_read(&tpd_ring->next_to_use);
+	first_mapped = next_to_use;
 	buffer_info = &tpd_ring->buffer_info[next_to_use];
 	BUG_ON(buffer_info->skb);
 	/* put skb in last TPD */
@@ -2216,6 +2225,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 		buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
 						offset, hdr_len,
 						DMA_TO_DEVICE);
+		if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
+			goto dma_err;
 
 		if (++next_to_use == tpd_ring->count)
 			next_to_use = 0;
@@ -2242,6 +2253,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 								page, offset,
 								buffer_info->length,
 								DMA_TO_DEVICE);
+				if (dma_mapping_error(&adapter->pdev->dev,
+						      buffer_info->dma))
+					goto dma_err;
 				if (++next_to_use == tpd_ring->count)
 					next_to_use = 0;
 			}
@@ -2254,6 +2268,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 		buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
 						offset, buf_len,
 						DMA_TO_DEVICE);
+		if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
+			goto dma_err;
 		if (++next_to_use == tpd_ring->count)
 			next_to_use = 0;
 	}
@@ -2277,6 +2293,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 			buffer_info->dma = skb_frag_dma_map(&adapter->pdev->dev,
 				frag, i * ATL1_MAX_TX_BUF_LEN,
 				buffer_info->length, DMA_TO_DEVICE);
+			if (dma_mapping_error(&adapter->pdev->dev,
+					      buffer_info->dma))
+				goto dma_err;
 
 			if (++next_to_use == tpd_ring->count)
 				next_to_use = 0;
@@ -2285,6 +2304,22 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 
 	/* last tpd's buffer-info */
 	buffer_info->skb = skb;
+
+	return true;
+
+ dma_err:
+	while (first_mapped != next_to_use) {
+		buffer_info = &tpd_ring->buffer_info[first_mapped];
+		dma_unmap_page(&adapter->pdev->dev,
+			       buffer_info->dma,
+			       buffer_info->length,
+			       DMA_TO_DEVICE);
+		buffer_info->dma = 0;
+
+		if (++first_mapped == tpd_ring->count)
+			first_mapped = 0;
+	}
+	return false;
 }
 
 static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count,
@@ -2355,10 +2390,8 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
 
 	len = skb_headlen(skb);
 
-	if (unlikely(skb->len <= 0)) {
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
-	}
+	if (unlikely(skb->len <= 0))
+		goto drop_packet;
 
 	nr_frags = skb_shinfo(skb)->nr_frags;
 	for (f = 0; f < nr_frags; f++) {
@@ -2371,10 +2404,9 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
 	if (mss) {
 		if (skb->protocol == htons(ETH_P_IP)) {
 			proto_hdr_len = skb_tcp_all_headers(skb);
-			if (unlikely(proto_hdr_len > len)) {
-				dev_kfree_skb_any(skb);
-				return NETDEV_TX_OK;
-			}
+			if (unlikely(proto_hdr_len > len))
+				goto drop_packet;
+
 			/* need additional TPD ? */
 			if (proto_hdr_len != len)
 				count += (len - proto_hdr_len +
@@ -2406,23 +2438,26 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
 	}
 
 	tso = atl1_tso(adapter, skb, ptpd);
-	if (tso < 0) {
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
-	}
+	if (tso < 0)
+		goto drop_packet;
 
 	if (!tso) {
 		ret_val = atl1_tx_csum(adapter, skb, ptpd);
-		if (ret_val < 0) {
-			dev_kfree_skb_any(skb);
-			return NETDEV_TX_OK;
-		}
+		if (ret_val < 0)
+			goto drop_packet;
 	}
 
-	atl1_tx_map(adapter, skb, ptpd);
+	if (!atl1_tx_map(adapter, skb, ptpd))
+		goto drop_packet;
+
 	atl1_tx_queue(adapter, count, ptpd);
 	atl1_update_mailbox(adapter);
 	return NETDEV_TX_OK;
+
+drop_packet:
+	adapter->soft_stats.tx_errors++;
+	dev_kfree_skb_any(skb);
+	return NETDEV_TX_OK;
 }
 
 static int atl1_rings_clean(struct napi_struct *napi, int budget)
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/cisco/enic/enic_main.c linux-libre-6.15.6-gnu/drivers/net/ethernet/cisco/enic/enic_main.c
index c753c35b26eb..5a8ca5be9ca0 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/cisco/enic/enic_main.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1864,10 +1864,10 @@ static int enic_change_mtu(struct net_device *netdev, int new_mtu)
 	if (enic_is_dynamic(enic) || enic_is_sriov_vf(enic))
 		return -EOPNOTSUPP;
 
-	if (netdev->mtu > enic->port_mtu)
+	if (new_mtu > enic->port_mtu)
 		netdev_warn(netdev,
 			    "interface MTU (%d) set higher than port MTU (%d)\n",
-			    netdev->mtu, enic->port_mtu);
+			    new_mtu, enic->port_mtu);
 
 	return _enic_change_mtu(netdev, new_mtu);
 }
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c linux-libre-6.15.6-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 29886a8ba73f..efd0048acd3b 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -3928,6 +3928,7 @@ static int dpaa2_eth_setup_rx_flow(struct dpaa2_eth_priv *priv,
 					 MEM_TYPE_PAGE_ORDER0, NULL);
 	if (err) {
 		dev_err(dev, "xdp_rxq_info_reg_mem_model failed\n");
+		xdp_rxq_info_unreg(&fq->channel->xdp_rxq);
 		return err;
 	}
 
@@ -4421,17 +4422,25 @@ static int dpaa2_eth_bind_dpni(struct dpaa2_eth_priv *priv)
 			return -EINVAL;
 		}
 		if (err)
-			return err;
+			goto out;
 	}
 
 	err = dpni_get_qdid(priv->mc_io, 0, priv->mc_token,
 			    DPNI_QUEUE_TX, &priv->tx_qdid);
 	if (err) {
 		dev_err(dev, "dpni_get_qdid() failed\n");
-		return err;
+		goto out;
 	}
 
 	return 0;
+
+out:
+	while (i--) {
+		if (priv->fq[i].type == DPAA2_RX_FQ &&
+		    xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
+			xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
+	}
+	return err;
 }
 
 /* Allocate rings for storing incoming frame descriptors */
@@ -4814,6 +4823,17 @@ static void dpaa2_eth_del_ch_napi(struct dpaa2_eth_priv *priv)
 	}
 }
 
+static void dpaa2_eth_free_rx_xdp_rxq(struct dpaa2_eth_priv *priv)
+{
+	int i;
+
+	for (i = 0; i < priv->num_fqs; i++) {
+		if (priv->fq[i].type == DPAA2_RX_FQ &&
+		    xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
+			xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
+	}
+}
+
 static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
 {
 	struct device *dev;
@@ -5017,6 +5037,7 @@ err_alloc_percpu_extras:
 	free_percpu(priv->percpu_stats);
 err_alloc_percpu_stats:
 	dpaa2_eth_del_ch_napi(priv);
+	dpaa2_eth_free_rx_xdp_rxq(priv);
 err_bind:
 	dpaa2_eth_free_dpbps(priv);
 err_dpbp_setup:
@@ -5069,6 +5090,7 @@ static void dpaa2_eth_remove(struct fsl_mc_device *ls_dev)
 	free_percpu(priv->percpu_extras);
 
 	dpaa2_eth_del_ch_napi(priv);
+	dpaa2_eth_free_rx_xdp_rxq(priv);
 	dpaa2_eth_free_dpbps(priv);
 	dpaa2_eth_free_dpio(priv);
 	dpaa2_eth_free_dpni(priv);
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq.c linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq.c
index b28991dd1870..48b8e184f3db 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq.c
@@ -96,7 +96,7 @@ static void idpf_ctlq_init_rxq_bufs(struct idpf_ctlq_info *cq)
  */
 static void idpf_ctlq_shutdown(struct idpf_hw *hw, struct idpf_ctlq_info *cq)
 {
-	mutex_lock(&cq->cq_lock);
+	spin_lock(&cq->cq_lock);
 
 	/* free ring buffers and the ring itself */
 	idpf_ctlq_dealloc_ring_res(hw, cq);
@@ -104,8 +104,7 @@ static void idpf_ctlq_shutdown(struct idpf_hw *hw, struct idpf_ctlq_info *cq)
 	/* Set ring_size to 0 to indicate uninitialized queue */
 	cq->ring_size = 0;
 
-	mutex_unlock(&cq->cq_lock);
-	mutex_destroy(&cq->cq_lock);
+	spin_unlock(&cq->cq_lock);
 }
 
 /**
@@ -173,7 +172,7 @@ int idpf_ctlq_add(struct idpf_hw *hw,
 
 	idpf_ctlq_init_regs(hw, cq, is_rxq);
 
-	mutex_init(&cq->cq_lock);
+	spin_lock_init(&cq->cq_lock);
 
 	list_add(&cq->cq_list, &hw->cq_list_head);
 
@@ -272,7 +271,7 @@ int idpf_ctlq_send(struct idpf_hw *hw, struct idpf_ctlq_info *cq,
 	int err = 0;
 	int i;
 
-	mutex_lock(&cq->cq_lock);
+	spin_lock(&cq->cq_lock);
 
 	/* Ensure there are enough descriptors to send all messages */
 	num_desc_avail = IDPF_CTLQ_DESC_UNUSED(cq);
@@ -332,7 +331,7 @@ int idpf_ctlq_send(struct idpf_hw *hw, struct idpf_ctlq_info *cq,
 	wr32(hw, cq->reg.tail, cq->next_to_use);
 
 err_unlock:
-	mutex_unlock(&cq->cq_lock);
+	spin_unlock(&cq->cq_lock);
 
 	return err;
 }
@@ -364,7 +363,7 @@ int idpf_ctlq_clean_sq(struct idpf_ctlq_info *cq, u16 *clean_count,
 	if (*clean_count > cq->ring_size)
 		return -EBADR;
 
-	mutex_lock(&cq->cq_lock);
+	spin_lock(&cq->cq_lock);
 
 	ntc = cq->next_to_clean;
 
@@ -397,7 +396,7 @@ int idpf_ctlq_clean_sq(struct idpf_ctlq_info *cq, u16 *clean_count,
 
 	cq->next_to_clean = ntc;
 
-	mutex_unlock(&cq->cq_lock);
+	spin_unlock(&cq->cq_lock);
 
 	/* Return number of descriptors actually cleaned */
 	*clean_count = i;
@@ -435,7 +434,7 @@ int idpf_ctlq_post_rx_buffs(struct idpf_hw *hw, struct idpf_ctlq_info *cq,
 	if (*buff_count > 0)
 		buffs_avail = true;
 
-	mutex_lock(&cq->cq_lock);
+	spin_lock(&cq->cq_lock);
 
 	if (tbp >= cq->ring_size)
 		tbp = 0;
@@ -524,7 +523,7 @@ post_buffs_out:
 		wr32(hw, cq->reg.tail, cq->next_to_post);
 	}
 
-	mutex_unlock(&cq->cq_lock);
+	spin_unlock(&cq->cq_lock);
 
 	/* return the number of buffers that were not posted */
 	*buff_count = *buff_count - i;
@@ -552,7 +551,7 @@ int idpf_ctlq_recv(struct idpf_ctlq_info *cq, u16 *num_q_msg,
 	u16 i;
 
 	/* take the lock before we start messing with the ring */
-	mutex_lock(&cq->cq_lock);
+	spin_lock(&cq->cq_lock);
 
 	ntc = cq->next_to_clean;
 
@@ -614,7 +613,7 @@ int idpf_ctlq_recv(struct idpf_ctlq_info *cq, u16 *num_q_msg,
 
 	cq->next_to_clean = ntc;
 
-	mutex_unlock(&cq->cq_lock);
+	spin_unlock(&cq->cq_lock);
 
 	*num_q_msg = i;
 	if (*num_q_msg == 0)
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq_api.h linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq_api.h
index e8e046ef2f0d..5890d8adca4a 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq_api.h
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_controlq_api.h
@@ -99,7 +99,7 @@ struct idpf_ctlq_info {
 
 	enum idpf_ctlq_type cq_type;
 	int q_id;
-	struct mutex cq_lock;		/* control queue lock */
+	spinlock_t cq_lock;		/* control queue lock */
 	/* used for interrupt processing */
 	u16 next_to_use;
 	u16 next_to_clean;
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_ethtool.c linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
index 59b1a1a09996..f72420cf6821 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
@@ -46,7 +46,7 @@ static u32 idpf_get_rxfh_key_size(struct net_device *netdev)
 	struct idpf_vport_user_config_data *user_config;
 
 	if (!idpf_is_cap_ena_all(np->adapter, IDPF_RSS_CAPS, IDPF_CAP_RSS))
-		return -EOPNOTSUPP;
+		return 0;
 
 	user_config = &np->adapter->vport_config[np->vport_idx]->user_config;
 
@@ -65,7 +65,7 @@ static u32 idpf_get_rxfh_indir_size(struct net_device *netdev)
 	struct idpf_vport_user_config_data *user_config;
 
 	if (!idpf_is_cap_ena_all(np->adapter, IDPF_RSS_CAPS, IDPF_CAP_RSS))
-		return -EOPNOTSUPP;
+		return 0;
 
 	user_config = &np->adapter->vport_config[np->vport_idx]->user_config;
 
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_lib.c linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_lib.c
index 2ed801398971..fe96e2057366 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/idpf/idpf_lib.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/idpf/idpf_lib.c
@@ -2329,8 +2329,12 @@ void *idpf_alloc_dma_mem(struct idpf_hw *hw, struct idpf_dma_mem *mem, u64 size)
 	struct idpf_adapter *adapter = hw->back;
 	size_t sz = ALIGN(size, 4096);
 
-	mem->va = dma_alloc_coherent(&adapter->pdev->dev, sz,
-				     &mem->pa, GFP_KERNEL);
+	/* The control queue resources are freed under a spinlock, contiguous
+	 * pages will avoid IOMMU remapping and the use vmap (and vunmap in
+	 * dma_free_*() path.
+	 */
+	mem->va = dma_alloc_attrs(&adapter->pdev->dev, sz, &mem->pa,
+				  GFP_KERNEL, DMA_ATTR_FORCE_CONTIGUOUS);
 	mem->size = sz;
 
 	return mem->va;
@@ -2345,8 +2349,8 @@ void idpf_free_dma_mem(struct idpf_hw *hw, struct idpf_dma_mem *mem)
 {
 	struct idpf_adapter *adapter = hw->back;
 
-	dma_free_coherent(&adapter->pdev->dev, mem->size,
-			  mem->va, mem->pa);
+	dma_free_attrs(&adapter->pdev->dev, mem->size,
+		       mem->va, mem->pa, DMA_ATTR_FORCE_CONTIGUOUS);
 	mem->size = 0;
 	mem->va = NULL;
 	mem->pa = 0;
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/igc/igc_main.c linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/igc/igc_main.c
index b1669d7cf435..7d8cc783b228 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/intel/igc/igc_main.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/intel/igc/igc_main.c
@@ -7046,6 +7046,10 @@ static int igc_probe(struct pci_dev *pdev,
 	adapter->port_num = hw->bus.func;
 	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
 
+	/* Disable ASPM L1.2 on I226 devices to avoid packet loss */
+	if (igc_is_device_id_i226(hw))
+		pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
+
 	err = pci_save_state(pdev);
 	if (err)
 		goto err_ioremap;
@@ -7426,6 +7430,9 @@ static int __igc_resume(struct device *dev, bool rpm)
 	pci_enable_wake(pdev, PCI_D3hot, 0);
 	pci_enable_wake(pdev, PCI_D3cold, 0);
 
+	if (igc_is_device_id_i226(hw))
+		pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
+
 	if (igc_init_interrupt_scheme(adapter, true)) {
 		netdev_err(netdev, "Unable to allocate memory for queues\n");
 		return -ENOMEM;
@@ -7551,6 +7558,9 @@ static pci_ers_result_t igc_io_slot_reset(struct pci_dev *pdev)
 		pci_enable_wake(pdev, PCI_D3hot, 0);
 		pci_enable_wake(pdev, PCI_D3cold, 0);
 
+		if (igc_is_device_id_i226(hw))
+			pci_disable_link_state_locked(pdev, PCIE_LINK_STATE_L1_2);
+
 		/* In case of PCI error, adapter loses its HW address
 		 * so we should re-assign it here.
 		 */
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/sun/niu.c linux-libre-6.15.6-gnu/drivers/net/ethernet/sun/niu.c
index 379b6e90121d..02b8a9e5c9a9 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/sun/niu.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/sun/niu.c
@@ -3336,7 +3336,7 @@ static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp,
 
 	addr = np->ops->map_page(np->device, page, 0,
 				 PAGE_SIZE, DMA_FROM_DEVICE);
-	if (!addr) {
+	if (np->ops->mapping_error(np->device, addr)) {
 		__free_page(page);
 		return -ENOMEM;
 	}
@@ -6676,6 +6676,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
 	len = skb_headlen(skb);
 	mapping = np->ops->map_single(np->device, skb->data,
 				      len, DMA_TO_DEVICE);
+	if (np->ops->mapping_error(np->device, mapping))
+		goto out_drop;
 
 	prod = rp->prod;
 
@@ -6717,6 +6719,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
 		mapping = np->ops->map_page(np->device, skb_frag_page(frag),
 					    skb_frag_off(frag), len,
 					    DMA_TO_DEVICE);
+		if (np->ops->mapping_error(np->device, mapping))
+			goto out_unmap;
 
 		rp->tx_buffs[prod].skb = NULL;
 		rp->tx_buffs[prod].mapping = mapping;
@@ -6741,6 +6745,19 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
 out:
 	return NETDEV_TX_OK;
 
+out_unmap:
+	while (i--) {
+		const skb_frag_t *frag;
+
+		prod = PREVIOUS_TX(rp, prod);
+		frag = &skb_shinfo(skb)->frags[i];
+		np->ops->unmap_page(np->device, rp->tx_buffs[prod].mapping,
+				    skb_frag_size(frag), DMA_TO_DEVICE);
+	}
+
+	np->ops->unmap_single(np->device, rp->tx_buffs[rp->prod].mapping,
+			      skb_headlen(skb), DMA_TO_DEVICE);
+
 out_drop:
 	rp->tx_errors++;
 	kfree_skb(skb);
@@ -9644,6 +9661,11 @@ static void niu_pci_unmap_single(struct device *dev, u64 dma_address,
 	dma_unmap_single(dev, dma_address, size, direction);
 }
 
+static int niu_pci_mapping_error(struct device *dev, u64 addr)
+{
+	return dma_mapping_error(dev, addr);
+}
+
 static const struct niu_ops niu_pci_ops = {
 	.alloc_coherent	= niu_pci_alloc_coherent,
 	.free_coherent	= niu_pci_free_coherent,
@@ -9651,6 +9673,7 @@ static const struct niu_ops niu_pci_ops = {
 	.unmap_page	= niu_pci_unmap_page,
 	.map_single	= niu_pci_map_single,
 	.unmap_single	= niu_pci_unmap_single,
+	.mapping_error	= niu_pci_mapping_error,
 };
 
 static void niu_driver_version(void)
@@ -10019,6 +10042,11 @@ static void niu_phys_unmap_single(struct device *dev, u64 dma_address,
 	/* Nothing to do.  */
 }
 
+static int niu_phys_mapping_error(struct device *dev, u64 dma_address)
+{
+	return false;
+}
+
 static const struct niu_ops niu_phys_ops = {
 	.alloc_coherent	= niu_phys_alloc_coherent,
 	.free_coherent	= niu_phys_free_coherent,
@@ -10026,6 +10054,7 @@ static const struct niu_ops niu_phys_ops = {
 	.unmap_page	= niu_phys_unmap_page,
 	.map_single	= niu_phys_map_single,
 	.unmap_single	= niu_phys_unmap_single,
+	.mapping_error	= niu_phys_mapping_error,
 };
 
 static int niu_of_probe(struct platform_device *op)
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/sun/niu.h linux-libre-6.15.6-gnu/drivers/net/ethernet/sun/niu.h
index 04c215f91fc0..0b169c08b0f2 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/sun/niu.h
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/sun/niu.h
@@ -2879,6 +2879,9 @@ struct tx_ring_info {
 #define NEXT_TX(tp, index) \
 	(((index) + 1) < (tp)->pending ? ((index) + 1) : 0)
 
+#define PREVIOUS_TX(tp, index) \
+	(((index) - 1) >= 0 ? ((index) - 1) : (((tp)->pending) - 1))
+
 static inline u32 niu_tx_avail(struct tx_ring_info *tp)
 {
 	return (tp->pending -
@@ -3140,6 +3143,7 @@ struct niu_ops {
 			  enum dma_data_direction direction);
 	void (*unmap_single)(struct device *dev, u64 dma_address,
 			     size_t size, enum dma_data_direction direction);
+	int (*mapping_error)(struct device *dev, u64 dma_address);
 };
 
 struct niu_link_config {
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/wangxun/libwx/wx_lib.c linux-libre-6.15.6-gnu/drivers/net/ethernet/wangxun/libwx/wx_lib.c
index f4242bbad5fc..f77bdf732f5f 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/wangxun/libwx/wx_lib.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/wangxun/libwx/wx_lib.c
@@ -1641,6 +1641,7 @@ static void wx_set_rss_queues(struct wx *wx)
 
 	clear_bit(WX_FLAG_FDIR_HASH, wx->flags);
 
+	wx->ring_feature[RING_F_FDIR].indices = 1;
 	/* Use Flow Director in addition to RSS to ensure the best
 	 * distribution of flows across cores, even when an FDIR flow
 	 * isn't matched.
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c linux-libre-6.15.6-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c
index 8658a51ee810..44547e69c026 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c
@@ -68,7 +68,6 @@ free_queue_irqs:
 		free_irq(wx->msix_q_entries[vector].vector,
 			 wx->q_vector[vector]);
 	}
-	wx_reset_interrupt_capability(wx);
 	return err;
 }
 
@@ -172,6 +171,7 @@ void txgbe_free_misc_irq(struct txgbe *txgbe)
 	free_irq(txgbe->link_irq, txgbe);
 	free_irq(txgbe->misc.irq, txgbe);
 	txgbe_del_irq_domain(txgbe);
+	txgbe->wx->misc_irq_domain = false;
 }
 
 int txgbe_setup_misc_irq(struct txgbe *txgbe)
diff --git linux-libre-6.15.5-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c linux-libre-6.15.6-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index 38206a46693b..acfef74fd2fc 100644
--- linux-libre-6.15.5-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ linux-libre-6.15.6-gnu/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -354,10 +354,14 @@ static int txgbe_open(struct net_device *netdev)
 
 	wx_configure(wx);
 
-	err = txgbe_request_queue_irqs(wx);
+	err = txgbe_setup_misc_irq(wx->priv);
 	if (err)
 		goto err_free_resources;
 
+	err = txgbe_request_queue_irqs(wx);
+	if (err)
+		goto err_free_misc_irq;
+
 	/* Notify the stack of the actual queue counts. */
 	err = netif_set_real_num_tx_queues(netdev, wx->num_tx_queues);
 	if (err)
@@ -375,6 +379,9 @@ static int txgbe_open(struct net_device *netdev)
 
 err_free_irq:
 	wx_free_irq(wx);
+err_free_misc_irq:
+	txgbe_free_misc_irq(wx->priv);
+	wx_reset_interrupt_capability(wx);
 err_free_resources:
 	wx_free_resources(wx);
 err_reset:
@@ -415,6 +422,7 @@ static int txgbe_close(struct net_device *netdev)
 	wx_ptp_stop(wx);
 	txgbe_down(wx);
 	wx_free_irq(wx);
+	txgbe_free_misc_irq(wx->priv);
 	wx_free_resources(wx);
 	txgbe_fdir_filter_exit(wx);
 	wx_control_hw(wx, false);
@@ -460,7 +468,6 @@ static void txgbe_shutdown(struct pci_dev *pdev)
 int txgbe_setup_tc(struct net_device *dev, u8 tc)
 {
 	struct wx *wx = netdev_priv(dev);
-	struct txgbe *txgbe = wx->priv;
 
 	/* Hardware has to reinitialize queues and interrupts to
 	 * match packet buffer alignment. Unfortunately, the
@@ -471,7 +478,6 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
 	else
 		txgbe_reset(wx);
 
-	txgbe_free_misc_irq(txgbe);
 	wx_clear_interrupt_scheme(wx);
 
 	if (tc)
@@ -480,7 +486,6 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
 		netdev_reset_tc(dev);
 
 	wx_init_interrupt_scheme(wx);
-	txgbe_setup_misc_irq(txgbe);
 
 	if (netif_running(dev))
 		txgbe_open(dev);
@@ -729,13 +734,9 @@ static int txgbe_probe(struct pci_dev *pdev,
 
 	txgbe_init_fdir(txgbe);
 
-	err = txgbe_setup_misc_irq(txgbe);
-	if (err)
-		goto err_release_hw;
-
 	err = txgbe_init_phy(txgbe);
 	if (err)
-		goto err_free_misc_irq;
+		goto err_release_hw;
 
 	err = register_netdev(netdev);
 	if (err)
@@ -763,8 +764,6 @@ static int txgbe_probe(struct pci_dev *pdev,
 
 err_remove_phy:
 	txgbe_remove_phy(txgbe);
-err_free_misc_irq:
-	txgbe_free_misc_irq(txgbe);
 err_release_hw:
 	wx_clear_interrupt_scheme(wx);
 	wx_control_hw(wx, false);
@@ -798,7 +797,6 @@ static void txgbe_remove(struct pci_dev *pdev)
 	unregister_netdev(netdev);
 
 	txgbe_remove_phy(txgbe);
-	txgbe_free_misc_irq(txgbe);
 	wx_free_isb_resources(wx);
 
 	pci_release_selected_regions(pdev,
diff --git linux-libre-6.15.5-gnu/drivers/net/usb/lan78xx.c linux-libre-6.15.6-gnu/drivers/net/usb/lan78xx.c
index e4f1663b6204..5f014b862685 100644
--- linux-libre-6.15.5-gnu/drivers/net/usb/lan78xx.c
+++ linux-libre-6.15.6-gnu/drivers/net/usb/lan78xx.c
@@ -4344,8 +4344,6 @@ static void lan78xx_disconnect(struct usb_interface *intf)
 	if (!dev)
 		return;
 
-	netif_napi_del(&dev->napi);
-
 	udev = interface_to_usbdev(intf);
 	net = dev->net;
 
diff --git linux-libre-6.15.5-gnu/drivers/net/virtio_net.c linux-libre-6.15.6-gnu/drivers/net/virtio_net.c
index e53ba600605a..d5be73a96470 100644
--- linux-libre-6.15.5-gnu/drivers/net/virtio_net.c
+++ linux-libre-6.15.6-gnu/drivers/net/virtio_net.c
@@ -778,6 +778,26 @@ static unsigned int mergeable_ctx_to_truesize(void *mrg_ctx)
 	return (unsigned long)mrg_ctx & ((1 << MRG_CTX_HEADER_SHIFT) - 1);
 }
 
+static int check_mergeable_len(struct net_device *dev, void *mrg_ctx,
+			       unsigned int len)
+{
+	unsigned int headroom, tailroom, room, truesize;
+
+	truesize = mergeable_ctx_to_truesize(mrg_ctx);
+	headroom = mergeable_ctx_to_headroom(mrg_ctx);
+	tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
+	room = SKB_DATA_ALIGN(headroom + tailroom);
+
+	if (len > truesize - room) {
+		pr_debug("%s: rx error: len %u exceeds truesize %lu\n",
+			 dev->name, len, (unsigned long)(truesize - room));
+		DEV_STATS_INC(dev, rx_length_errors);
+		return -1;
+	}
+
+	return 0;
+}
+
 static struct sk_buff *virtnet_build_skb(void *buf, unsigned int buflen,
 					 unsigned int headroom,
 					 unsigned int len)
@@ -1127,15 +1147,29 @@ static void check_sq_full_and_disable(struct virtnet_info *vi,
 	}
 }
 
+/* Note that @len is the length of received data without virtio header */
 static struct xdp_buff *buf_to_xdp(struct virtnet_info *vi,
-				   struct receive_queue *rq, void *buf, u32 len)
+				   struct receive_queue *rq, void *buf,
+				   u32 len, bool first_buf)
 {
 	struct xdp_buff *xdp;
 	u32 bufsize;
 
 	xdp = (struct xdp_buff *)buf;
 
-	bufsize = xsk_pool_get_rx_frame_size(rq->xsk_pool) + vi->hdr_len;
+	/* In virtnet_add_recvbuf_xsk, we use part of XDP_PACKET_HEADROOM for
+	 * virtio header and ask the vhost to fill data from
+	 *         hard_start + XDP_PACKET_HEADROOM - vi->hdr_len
+	 * The first buffer has virtio header so the remaining region for frame
+	 * data is
+	 *         xsk_pool_get_rx_frame_size()
+	 * While other buffers than the first one do not have virtio header, so
+	 * the maximum frame data's length can be
+	 *         xsk_pool_get_rx_frame_size() + vi->hdr_len
+	 */
+	bufsize = xsk_pool_get_rx_frame_size(rq->xsk_pool);
+	if (!first_buf)
+		bufsize += vi->hdr_len;
 
 	if (unlikely(len > bufsize)) {
 		pr_debug("%s: rx error: len %u exceeds truesize %u\n",
@@ -1260,7 +1294,7 @@ static int xsk_append_merge_buffer(struct virtnet_info *vi,
 
 		u64_stats_add(&stats->bytes, len);
 
-		xdp = buf_to_xdp(vi, rq, buf, len);
+		xdp = buf_to_xdp(vi, rq, buf, len, false);
 		if (!xdp)
 			goto err;
 
@@ -1358,7 +1392,7 @@ static void virtnet_receive_xsk_buf(struct virtnet_info *vi, struct receive_queu
 
 	u64_stats_add(&stats->bytes, len);
 
-	xdp = buf_to_xdp(vi, rq, buf, len);
+	xdp = buf_to_xdp(vi, rq, buf, len, true);
 	if (!xdp)
 		return;
 
@@ -1797,7 +1831,8 @@ static unsigned int virtnet_get_headroom(struct virtnet_info *vi)
  * across multiple buffers (num_buf > 1), and we make sure buffers
  * have enough headroom.
  */
-static struct page *xdp_linearize_page(struct receive_queue *rq,
+static struct page *xdp_linearize_page(struct net_device *dev,
+				       struct receive_queue *rq,
 				       int *num_buf,
 				       struct page *p,
 				       int offset,
@@ -1817,18 +1852,27 @@ static struct page *xdp_linearize_page(struct receive_queue *rq,
 	memcpy(page_address(page) + page_off, page_address(p) + offset, *len);
 	page_off += *len;
 
+	/* Only mergeable mode can go inside this while loop. In small mode,
+	 * *num_buf == 1, so it cannot go inside.
+	 */
 	while (--*num_buf) {
 		unsigned int buflen;
 		void *buf;
+		void *ctx;
 		int off;
 
-		buf = virtnet_rq_get_buf(rq, &buflen, NULL);
+		buf = virtnet_rq_get_buf(rq, &buflen, &ctx);
 		if (unlikely(!buf))
 			goto err_buf;
 
 		p = virt_to_head_page(buf);
 		off = buf - page_address(p);
 
+		if (check_mergeable_len(dev, ctx, buflen)) {
+			put_page(p);
+			goto err_buf;
+		}
+
 		/* guard against a misconfigured or uncooperative backend that
 		 * is sending packet larger than the MTU.
 		 */
@@ -1917,7 +1961,7 @@ static struct sk_buff *receive_small_xdp(struct net_device *dev,
 		headroom = vi->hdr_len + header_offset;
 		buflen = SKB_DATA_ALIGN(GOOD_PACKET_LEN + headroom) +
 			SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
-		xdp_page = xdp_linearize_page(rq, &num_buf, page,
+		xdp_page = xdp_linearize_page(dev, rq, &num_buf, page,
 					      offset, header_offset,
 					      &tlen);
 		if (!xdp_page)
@@ -2252,7 +2296,7 @@ static void *mergeable_xdp_get_buf(struct virtnet_info *vi,
 	 */
 	if (!xdp_prog->aux->xdp_has_frags) {
 		/* linearize data for XDP */
-		xdp_page = xdp_linearize_page(rq, num_buf,
+		xdp_page = xdp_linearize_page(vi->dev, rq, num_buf,
 					      *page, offset,
 					      XDP_PACKET_HEADROOM,
 					      len);
diff --git linux-libre-6.15.5-gnu/drivers/net/wireless/ath/ath6kl/bmi.c linux-libre-6.15.6-gnu/drivers/net/wireless/ath/ath6kl/bmi.c
index af98e871199d..5a9e93fd1ef4 100644
--- linux-libre-6.15.5-gnu/drivers/net/wireless/ath/ath6kl/bmi.c
+++ linux-libre-6.15.6-gnu/drivers/net/wireless/ath/ath6kl/bmi.c
@@ -87,7 +87,9 @@ int ath6kl_bmi_get_target_info(struct ath6kl *ar,
 		 * We need to do some backwards compatibility to make this work.
 		 */
 		if (le32_to_cpu(targ_info->byte_count) != sizeof(*targ_info)) {
-			WARN_ON(1);
+			ath6kl_err("mismatched byte count %d vs. expected %zd\n",
+				   le32_to_cpu(targ_info->byte_count),
+				   sizeof(*targ_info));
 			return -EINVAL;
 		}
 
diff --git linux-libre-6.15.5-gnu/drivers/nvme/host/core.c linux-libre-6.15.6-gnu/drivers/nvme/host/core.c
index d253b8290111..ae584c97f528 100644
--- linux-libre-6.15.5-gnu/drivers/nvme/host/core.c
+++ linux-libre-6.15.6-gnu/drivers/nvme/host/core.c
@@ -382,7 +382,7 @@ static void nvme_log_err_passthru(struct request *req)
 		nr->cmd->common.cdw12,
 		nr->cmd->common.cdw13,
 		nr->cmd->common.cdw14,
-		nr->cmd->common.cdw14);
+		nr->cmd->common.cdw15);
 }
 
 enum nvme_disposition {
diff --git linux-libre-6.15.5-gnu/drivers/nvme/host/multipath.c linux-libre-6.15.6-gnu/drivers/nvme/host/multipath.c
index cf0ef4745564..700dfbd5a451 100644
--- linux-libre-6.15.5-gnu/drivers/nvme/host/multipath.c
+++ linux-libre-6.15.6-gnu/drivers/nvme/host/multipath.c
@@ -1050,7 +1050,8 @@ void nvme_mpath_add_sysfs_link(struct nvme_ns_head *head)
 	 */
 	srcu_idx = srcu_read_lock(&head->srcu);
 
-	list_for_each_entry_rcu(ns, &head->list, siblings) {
+	list_for_each_entry_srcu(ns, &head->list, siblings,
+				 srcu_read_lock_held(&head->srcu)) {
 		/*
 		 * Ensure that ns path disk node is already added otherwise we
 		 * may get invalid kobj name for target
diff --git linux-libre-6.15.5-gnu/drivers/nvme/host/pci.c linux-libre-6.15.6-gnu/drivers/nvme/host/pci.c
index f1dd804151b1..776c867fb64d 100644
--- linux-libre-6.15.5-gnu/drivers/nvme/host/pci.c
+++ linux-libre-6.15.6-gnu/drivers/nvme/host/pci.c
@@ -2031,8 +2031,6 @@ static void nvme_map_cmb(struct nvme_dev *dev)
 	if ((dev->cmbsz & (NVME_CMBSZ_WDS | NVME_CMBSZ_RDS)) ==
 			(NVME_CMBSZ_WDS | NVME_CMBSZ_RDS))
 		pci_p2pmem_publish(pdev, true);
-
-	nvme_update_attrs(dev);
 }
 
 static int nvme_set_host_mem(struct nvme_dev *dev, u32 bits)
@@ -2969,6 +2967,8 @@ static void nvme_reset_work(struct work_struct *work)
 	if (result < 0)
 		goto out;
 
+	nvme_update_attrs(dev);
+
 	result = nvme_setup_io_queues(dev);
 	if (result)
 		goto out;
@@ -3305,6 +3305,8 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (result < 0)
 		goto out_disable;
 
+	nvme_update_attrs(dev);
+
 	result = nvme_setup_io_queues(dev);
 	if (result)
 		goto out_disable;
diff --git linux-libre-6.15.5-gnu/drivers/nvme/target/nvmet.h linux-libre-6.15.6-gnu/drivers/nvme/target/nvmet.h
index b6db8b74dc4a..85e50e298174 100644
--- linux-libre-6.15.5-gnu/drivers/nvme/target/nvmet.h
+++ linux-libre-6.15.6-gnu/drivers/nvme/target/nvmet.h
@@ -857,6 +857,8 @@ static inline void nvmet_req_bio_put(struct nvmet_req *req, struct bio *bio)
 {
 	if (bio != &req->b.inline_bio)
 		bio_put(bio);
+	else
+		bio_uninit(bio);
 }
 
 #ifdef CONFIG_NVME_TARGET_TCP_TLS
diff --git linux-libre-6.15.5-gnu/drivers/platform/mellanox/mlxbf-pmc.c linux-libre-6.15.6-gnu/drivers/platform/mellanox/mlxbf-pmc.c
index 36a00692347d..771a24c397c1 100644
--- linux-libre-6.15.5-gnu/drivers/platform/mellanox/mlxbf-pmc.c
+++ linux-libre-6.15.6-gnu/drivers/platform/mellanox/mlxbf-pmc.c
@@ -713,7 +713,7 @@ static const struct mlxbf_pmc_events mlxbf_pmc_llt_events[] = {
 	{101, "GDC_BANK0_HIT_DCL_PARTIAL"},
 	{102, "GDC_BANK0_EVICT_DCL"},
 	{103, "GDC_BANK0_G_RSE_PIPE_CACHE_DATA0"},
-	{103, "GDC_BANK0_G_RSE_PIPE_CACHE_DATA1"},
+	{104, "GDC_BANK0_G_RSE_PIPE_CACHE_DATA1"},
 	{105, "GDC_BANK0_ARB_STRB"},
 	{106, "GDC_BANK0_ARB_WAIT"},
 	{107, "GDC_BANK0_GGA_STRB"},
diff --git linux-libre-6.15.5-gnu/drivers/platform/mellanox/mlxbf-tmfifo.c linux-libre-6.15.6-gnu/drivers/platform/mellanox/mlxbf-tmfifo.c
index aae99adb29eb..70c58c4c6c84 100644
--- linux-libre-6.15.5-gnu/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ linux-libre-6.15.6-gnu/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -281,7 +281,8 @@ static int mlxbf_tmfifo_alloc_vrings(struct mlxbf_tmfifo *fifo,
 		vring->align = SMP_CACHE_BYTES;
 		vring->index = i;
 		vring->vdev_id = tm_vdev->vdev.id.device;
-		vring->drop_desc.len = VRING_DROP_DESC_MAX_LEN;
+		vring->drop_desc.len = cpu_to_virtio32(&tm_vdev->vdev,
+						       VRING_DROP_DESC_MAX_LEN);
 		dev = &tm_vdev->vdev.dev;
 
 		size = vring_size(vring->num, vring->align);
diff --git linux-libre-6.15.5-gnu/drivers/platform/mellanox/mlxreg-lc.c linux-libre-6.15.6-gnu/drivers/platform/mellanox/mlxreg-lc.c
index aee395bb48ae..8681ceb7144b 100644
--- linux-libre-6.15.5-gnu/drivers/platform/mellanox/mlxreg-lc.c
+++ linux-libre-6.15.6-gnu/drivers/platform/mellanox/mlxreg-lc.c
@@ -688,7 +688,7 @@ static int mlxreg_lc_completion_notify(void *handle, struct i2c_adapter *parent,
 	if (regval & mlxreg_lc->data->mask) {
 		mlxreg_lc->state |= MLXREG_LC_SYNCED;
 		mlxreg_lc_state_update_locked(mlxreg_lc, MLXREG_LC_SYNCED, 1);
-		if (mlxreg_lc->state & ~MLXREG_LC_POWERED) {
+		if (!(mlxreg_lc->state & MLXREG_LC_POWERED)) {
 			err = mlxreg_lc_power_on_off(mlxreg_lc, 1);
 			if (err)
 				goto mlxreg_lc_regmap_power_on_off_fail;
diff --git linux-libre-6.15.5-gnu/drivers/platform/mellanox/nvsw-sn2201.c linux-libre-6.15.6-gnu/drivers/platform/mellanox/nvsw-sn2201.c
index 0c047aa2345b..490001a9afd7 100644
--- linux-libre-6.15.5-gnu/drivers/platform/mellanox/nvsw-sn2201.c
+++ linux-libre-6.15.6-gnu/drivers/platform/mellanox/nvsw-sn2201.c
@@ -1088,7 +1088,7 @@ static int nvsw_sn2201_i2c_completion_notify(void *handle, int id)
 	if (!nvsw_sn2201->main_mux_devs->adapter) {
 		err = -ENODEV;
 		dev_err(nvsw_sn2201->dev, "Failed to get adapter for bus %d\n",
-			nvsw_sn2201->cpld_devs->nr);
+			nvsw_sn2201->main_mux_devs->nr);
 		goto i2c_get_adapter_main_fail;
 	}
 
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/amd/hsmp/hsmp.c linux-libre-6.15.6-gnu/drivers/platform/x86/amd/hsmp/hsmp.c
index a3ac09a90de4..ab877112f4c8 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/amd/hsmp/hsmp.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/amd/hsmp/hsmp.c
@@ -99,7 +99,7 @@ static int __hsmp_send_message(struct hsmp_socket *sock, struct hsmp_message *ms
 	short_sleep = jiffies + msecs_to_jiffies(HSMP_SHORT_SLEEP);
 	timeout	= jiffies + msecs_to_jiffies(HSMP_MSG_TIMEOUT);
 
-	while (time_before(jiffies, timeout)) {
+	while (true) {
 		ret = sock->amd_hsmp_rdwr(sock, mbinfo->msg_resp_off, &mbox_status, HSMP_RD);
 		if (ret) {
 			dev_err(sock->dev, "Error %d reading mailbox status\n", ret);
@@ -108,6 +108,10 @@ static int __hsmp_send_message(struct hsmp_socket *sock, struct hsmp_message *ms
 
 		if (mbox_status != HSMP_STATUS_NOT_READY)
 			break;
+
+		if (!time_before(jiffies, timeout))
+			break;
+
 		if (time_before(jiffies, short_sleep))
 			usleep_range(50, 100);
 		else
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/amd/pmc/pmc-quirks.c linux-libre-6.15.6-gnu/drivers/platform/x86/amd/pmc/pmc-quirks.c
index 2e3f6fc67c56..7ed12c1d3b34 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/amd/pmc/pmc-quirks.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/amd/pmc/pmc-quirks.c
@@ -224,6 +224,15 @@ static const struct dmi_system_id fwbug_list[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "WUJIE14-GX4HRXL"),
 		}
 	},
+	/* https://bugzilla.kernel.org/show_bug.cgi?id=220116 */
+	{
+		.ident = "PCSpecialist Lafite Pro V 14M",
+		.driver_data = &quirk_spurious_8042,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "PCSpecialist"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Lafite Pro V 14M"),
+		}
+	},
 	{}
 };
 
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
index 3ad33a094588..817ee7ba07ca 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
@@ -89,6 +89,11 @@ extern struct wmi_sysman_priv wmi_priv;
 
 enum { ENUM, INT, STR, PO };
 
+#define ENUM_MIN_ELEMENTS		8
+#define INT_MIN_ELEMENTS		9
+#define STR_MIN_ELEMENTS		8
+#define PO_MIN_ELEMENTS			4
+
 enum {
 	ATTR_NAME,
 	DISPL_NAME_LANG_CODE,
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
index 8cc212c85266..fc2f58b4cbc6 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
@@ -23,9 +23,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_ENUMERATION_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < ENUM_MIN_ELEMENTS ||
+	    obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%s\n", obj->package.elements[CURRENT_VAL].string.pointer);
 	kfree(obj);
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
index 951e75b538fa..735248064239 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
@@ -25,9 +25,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_INTEGER_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_INTEGER) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < INT_MIN_ELEMENTS ||
+	    obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_INTEGER) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%lld\n", obj->package.elements[CURRENT_VAL].integer.value);
 	kfree(obj);
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
index d8f1bf5e58a0..3167e06d416e 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
@@ -26,9 +26,10 @@ static ssize_t is_enabled_show(struct kobject *kobj, struct kobj_attribute *attr
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_PASSOBJ_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[IS_PASS_SET].type != ACPI_TYPE_INTEGER) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < PO_MIN_ELEMENTS ||
+	    obj->package.elements[IS_PASS_SET].type != ACPI_TYPE_INTEGER) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%lld\n", obj->package.elements[IS_PASS_SET].integer.value);
 	kfree(obj);
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
index c392f0ecf8b5..0d2c74f8d1aa 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
@@ -25,9 +25,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_STRING_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < STR_MIN_ELEMENTS ||
+	    obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%s\n", obj->package.elements[CURRENT_VAL].string.pointer);
 	kfree(obj);
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
index d00389b860e4..f5402b714657 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
@@ -407,10 +407,10 @@ static int init_bios_attributes(int attr_type, const char *guid)
 		return retval;
 
 	switch (attr_type) {
-	case ENUM:	min_elements = 8;	break;
-	case INT:	min_elements = 9;	break;
-	case STR:	min_elements = 8;	break;
-	case PO:	min_elements = 4;	break;
+	case ENUM:	min_elements = ENUM_MIN_ELEMENTS;	break;
+	case INT:	min_elements = INT_MIN_ELEMENTS;	break;
+	case STR:	min_elements = STR_MIN_ELEMENTS;	break;
+	case PO:	min_elements = PO_MIN_ELEMENTS;		break;
 	default:
 		pr_err("Error: Unknown attr_type: %d\n", attr_type);
 		return -EINVAL;
@@ -597,7 +597,7 @@ err_release_attributes_data:
 	release_attributes_data();
 
 err_destroy_classdev:
-	device_destroy(&firmware_attributes_class, MKDEV(0, 0));
+	device_unregister(wmi_priv.class_dev);
 
 err_exit_bios_attr_pass_interface:
 	exit_bios_attr_pass_interface();
@@ -611,7 +611,7 @@ err_exit_bios_attr_set_interface:
 static void __exit sysman_exit(void)
 {
 	release_attributes_data();
-	device_destroy(&firmware_attributes_class, MKDEV(0, 0));
+	device_unregister(wmi_priv.class_dev);
 	exit_bios_attr_set_interface();
 	exit_bios_attr_pass_interface();
 }
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c linux-libre-6.15.6-gnu/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
index 13237890fc92..5bfa7159f5bc 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
@@ -1034,7 +1034,7 @@ err_release_attributes_data:
 	release_attributes_data();
 
 err_destroy_classdev:
-	device_destroy(&firmware_attributes_class, MKDEV(0, 0));
+	device_unregister(bioscfg_drv.class_dev);
 
 err_unregister_class:
 	hp_exit_attr_set_interface();
@@ -1045,7 +1045,7 @@ err_unregister_class:
 static void __exit hp_exit(void)
 {
 	release_attributes_data();
-	device_destroy(&firmware_attributes_class, MKDEV(0, 0));
+	device_unregister(bioscfg_drv.class_dev);
 
 	hp_exit_attr_set_interface();
 }
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/think-lmi.c linux-libre-6.15.6-gnu/drivers/platform/x86/think-lmi.c
index 00b1e7c79a3d..b73b84fdb15e 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/think-lmi.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/think-lmi.c
@@ -973,6 +973,7 @@ static const struct attribute_group auth_attr_group = {
 	.is_visible = auth_attr_is_visible,
 	.attrs = auth_attrs,
 };
+__ATTRIBUTE_GROUPS(auth_attr);
 
 /* ---- Attributes sysfs --------------------------------------------------------- */
 static ssize_t display_name_show(struct kobject *kobj, struct kobj_attribute *attr,
@@ -1188,6 +1189,7 @@ static const struct attribute_group tlmi_attr_group = {
 	.is_visible = attr_is_visible,
 	.attrs = tlmi_attrs,
 };
+__ATTRIBUTE_GROUPS(tlmi_attr);
 
 static void tlmi_attr_setting_release(struct kobject *kobj)
 {
@@ -1207,11 +1209,13 @@ static void tlmi_pwd_setting_release(struct kobject *kobj)
 static const struct kobj_type tlmi_attr_setting_ktype = {
 	.release        = &tlmi_attr_setting_release,
 	.sysfs_ops	= &kobj_sysfs_ops,
+	.default_groups = tlmi_attr_groups,
 };
 
 static const struct kobj_type tlmi_pwd_setting_ktype = {
 	.release        = &tlmi_pwd_setting_release,
 	.sysfs_ops	= &kobj_sysfs_ops,
+	.default_groups = auth_attr_groups,
 };
 
 static ssize_t pending_reboot_show(struct kobject *kobj, struct kobj_attribute *attr,
@@ -1380,21 +1384,18 @@ static struct kobj_attribute debug_cmd = __ATTR_WO(debug_cmd);
 /* ---- Initialisation --------------------------------------------------------- */
 static void tlmi_release_attr(void)
 {
-	int i;
+	struct kobject *pos, *n;
 
 	/* Attribute structures */
-	for (i = 0; i < TLMI_SETTINGS_COUNT; i++) {
-		if (tlmi_priv.setting[i]) {
-			sysfs_remove_group(&tlmi_priv.setting[i]->kobj, &tlmi_attr_group);
-			kobject_put(&tlmi_priv.setting[i]->kobj);
-		}
-	}
 	sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &pending_reboot.attr);
 	sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &save_settings.attr);
 
 	if (tlmi_priv.can_debug_cmd && debug_support)
 		sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &debug_cmd.attr);
 
+	list_for_each_entry_safe(pos, n, &tlmi_priv.attribute_kset->list, entry)
+		kobject_put(pos);
+
 	kset_unregister(tlmi_priv.attribute_kset);
 
 	/* Free up any saved signatures */
@@ -1402,19 +1403,8 @@ static void tlmi_release_attr(void)
 	kfree(tlmi_priv.pwd_admin->save_signature);
 
 	/* Authentication structures */
-	sysfs_remove_group(&tlmi_priv.pwd_admin->kobj, &auth_attr_group);
-	kobject_put(&tlmi_priv.pwd_admin->kobj);
-	sysfs_remove_group(&tlmi_priv.pwd_power->kobj, &auth_attr_group);
-	kobject_put(&tlmi_priv.pwd_power->kobj);
-
-	if (tlmi_priv.opcode_support) {
-		sysfs_remove_group(&tlmi_priv.pwd_system->kobj, &auth_attr_group);
-		kobject_put(&tlmi_priv.pwd_system->kobj);
-		sysfs_remove_group(&tlmi_priv.pwd_hdd->kobj, &auth_attr_group);
-		kobject_put(&tlmi_priv.pwd_hdd->kobj);
-		sysfs_remove_group(&tlmi_priv.pwd_nvme->kobj, &auth_attr_group);
-		kobject_put(&tlmi_priv.pwd_nvme->kobj);
-	}
+	list_for_each_entry_safe(pos, n, &tlmi_priv.authentication_kset->list, entry)
+		kobject_put(pos);
 
 	kset_unregister(tlmi_priv.authentication_kset);
 }
@@ -1455,6 +1445,14 @@ static int tlmi_sysfs_init(void)
 		goto fail_device_created;
 	}
 
+	tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL,
+							    &tlmi_priv.class_dev->kobj);
+	if (!tlmi_priv.authentication_kset) {
+		kset_unregister(tlmi_priv.attribute_kset);
+		ret = -ENOMEM;
+		goto fail_device_created;
+	}
+
 	for (i = 0; i < TLMI_SETTINGS_COUNT; i++) {
 		/* Check if index is a valid setting - skip if it isn't */
 		if (!tlmi_priv.setting[i])
@@ -1471,12 +1469,8 @@ static int tlmi_sysfs_init(void)
 
 		/* Build attribute */
 		tlmi_priv.setting[i]->kobj.kset = tlmi_priv.attribute_kset;
-		ret = kobject_add(&tlmi_priv.setting[i]->kobj, NULL,
-				  "%s", tlmi_priv.setting[i]->display_name);
-		if (ret)
-			goto fail_create_attr;
-
-		ret = sysfs_create_group(&tlmi_priv.setting[i]->kobj, &tlmi_attr_group);
+		ret = kobject_init_and_add(&tlmi_priv.setting[i]->kobj, &tlmi_attr_setting_ktype,
+					   NULL, "%s", tlmi_priv.setting[i]->display_name);
 		if (ret)
 			goto fail_create_attr;
 	}
@@ -1496,55 +1490,34 @@ static int tlmi_sysfs_init(void)
 	}
 
 	/* Create authentication entries */
-	tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL,
-								&tlmi_priv.class_dev->kobj);
-	if (!tlmi_priv.authentication_kset) {
-		ret = -ENOMEM;
-		goto fail_create_attr;
-	}
 	tlmi_priv.pwd_admin->kobj.kset = tlmi_priv.authentication_kset;
-	ret = kobject_add(&tlmi_priv.pwd_admin->kobj, NULL, "%s", "Admin");
-	if (ret)
-		goto fail_create_attr;
-
-	ret = sysfs_create_group(&tlmi_priv.pwd_admin->kobj, &auth_attr_group);
+	ret = kobject_init_and_add(&tlmi_priv.pwd_admin->kobj, &tlmi_pwd_setting_ktype,
+				   NULL, "%s", "Admin");
 	if (ret)
 		goto fail_create_attr;
 
 	tlmi_priv.pwd_power->kobj.kset = tlmi_priv.authentication_kset;
-	ret = kobject_add(&tlmi_priv.pwd_power->kobj, NULL, "%s", "Power-on");
-	if (ret)
-		goto fail_create_attr;
-
-	ret = sysfs_create_group(&tlmi_priv.pwd_power->kobj, &auth_attr_group);
+	ret = kobject_init_and_add(&tlmi_priv.pwd_power->kobj, &tlmi_pwd_setting_ktype,
+				   NULL, "%s", "Power-on");
 	if (ret)
 		goto fail_create_attr;
 
 	if (tlmi_priv.opcode_support) {
 		tlmi_priv.pwd_system->kobj.kset = tlmi_priv.authentication_kset;
-		ret = kobject_add(&tlmi_priv.pwd_system->kobj, NULL, "%s", "System");
-		if (ret)
-			goto fail_create_attr;
-
-		ret = sysfs_create_group(&tlmi_priv.pwd_system->kobj, &auth_attr_group);
+		ret = kobject_init_and_add(&tlmi_priv.pwd_system->kobj, &tlmi_pwd_setting_ktype,
+					   NULL, "%s", "System");
 		if (ret)
 			goto fail_create_attr;
 
 		tlmi_priv.pwd_hdd->kobj.kset = tlmi_priv.authentication_kset;
-		ret = kobject_add(&tlmi_priv.pwd_hdd->kobj, NULL, "%s", "HDD");
-		if (ret)
-			goto fail_create_attr;
-
-		ret = sysfs_create_group(&tlmi_priv.pwd_hdd->kobj, &auth_attr_group);
+		ret = kobject_init_and_add(&tlmi_priv.pwd_hdd->kobj, &tlmi_pwd_setting_ktype,
+					   NULL, "%s", "HDD");
 		if (ret)
 			goto fail_create_attr;
 
 		tlmi_priv.pwd_nvme->kobj.kset = tlmi_priv.authentication_kset;
-		ret = kobject_add(&tlmi_priv.pwd_nvme->kobj, NULL, "%s", "NVMe");
-		if (ret)
-			goto fail_create_attr;
-
-		ret = sysfs_create_group(&tlmi_priv.pwd_nvme->kobj, &auth_attr_group);
+		ret = kobject_init_and_add(&tlmi_priv.pwd_nvme->kobj, &tlmi_pwd_setting_ktype,
+					   NULL, "%s", "NVMe");
 		if (ret)
 			goto fail_create_attr;
 	}
@@ -1554,7 +1527,7 @@ static int tlmi_sysfs_init(void)
 fail_create_attr:
 	tlmi_release_attr();
 fail_device_created:
-	device_destroy(&firmware_attributes_class, MKDEV(0, 0));
+	device_unregister(tlmi_priv.class_dev);
 fail_class_created:
 	return ret;
 }
@@ -1577,8 +1550,6 @@ static struct tlmi_pwd_setting *tlmi_create_auth(const char *pwd_type,
 	new_pwd->maxlen = tlmi_priv.pwdcfg.core.max_length;
 	new_pwd->index = 0;
 
-	kobject_init(&new_pwd->kobj, &tlmi_pwd_setting_ktype);
-
 	return new_pwd;
 }
 
@@ -1683,7 +1654,6 @@ static int tlmi_analyze(struct wmi_device *wdev)
 		if (setting->possible_values)
 			strreplace(setting->possible_values, ',', ';');
 
-		kobject_init(&setting->kobj, &tlmi_attr_setting_ktype);
 		tlmi_priv.setting[i] = setting;
 		kfree(item);
 	}
@@ -1781,7 +1751,7 @@ fail_clear_attr:
 static void tlmi_remove(struct wmi_device *wdev)
 {
 	tlmi_release_attr();
-	device_destroy(&firmware_attributes_class, MKDEV(0, 0));
+	device_unregister(tlmi_priv.class_dev);
 }
 
 static int tlmi_probe(struct wmi_device *wdev, const void *context)
diff --git linux-libre-6.15.5-gnu/drivers/platform/x86/wmi.c linux-libre-6.15.6-gnu/drivers/platform/x86/wmi.c
index e46453750d5f..03aecf8bb7f8 100644
--- linux-libre-6.15.5-gnu/drivers/platform/x86/wmi.c
+++ linux-libre-6.15.6-gnu/drivers/platform/x86/wmi.c
@@ -177,16 +177,22 @@ static int wmi_device_enable(struct wmi_device *wdev, bool enable)
 	acpi_handle handle;
 	acpi_status status;
 
-	if (!(wblock->gblock.flags & ACPI_WMI_EXPENSIVE))
-		return 0;
-
 	if (wblock->dev.dev.type == &wmi_type_method)
 		return 0;
 
-	if (wblock->dev.dev.type == &wmi_type_event)
+	if (wblock->dev.dev.type == &wmi_type_event) {
+		/*
+		 * Windows always enables/disables WMI events, even when they are
+		 * not marked as being expensive. We follow this behavior for
+		 * compatibility reasons.
+		 */
 		snprintf(method, sizeof(method), "WE%02X", wblock->gblock.notify_id);
-	else
+	} else {
+		if (!(wblock->gblock.flags & ACPI_WMI_EXPENSIVE))
+			return 0;
+
 		get_acpi_method_name(wblock, 'C', method);
+	}
 
 	/*
 	 * Not all WMI devices marked as expensive actually implement the
diff --git linux-libre-6.15.5-gnu/drivers/powercap/intel_rapl_common.c linux-libre-6.15.6-gnu/drivers/powercap/intel_rapl_common.c
index 5ab3feb29686..09beab439bb1 100644
--- linux-libre-6.15.5-gnu/drivers/powercap/intel_rapl_common.c
+++ linux-libre-6.15.6-gnu/drivers/powercap/intel_rapl_common.c
@@ -340,12 +340,28 @@ static int set_domain_enable(struct powercap_zone *power_zone, bool mode)
 {
 	struct rapl_domain *rd = power_zone_to_rapl_domain(power_zone);
 	struct rapl_defaults *defaults = get_defaults(rd->rp);
+	u64 val;
 	int ret;
 
 	cpus_read_lock();
 	ret = rapl_write_pl_data(rd, POWER_LIMIT1, PL_ENABLE, mode);
-	if (!ret && defaults->set_floor_freq)
+	if (ret)
+		goto end;
+
+	ret = rapl_read_pl_data(rd, POWER_LIMIT1, PL_ENABLE, false, &val);
+	if (ret)
+		goto end;
+
+	if (mode != val) {
+		pr_debug("%s cannot be %s\n", power_zone->name,
+			 str_enabled_disabled(mode));
+		goto end;
+	}
+
+	if (defaults->set_floor_freq)
 		defaults->set_floor_freq(rd, mode);
+
+end:
 	cpus_read_unlock();
 
 	return ret;
diff --git linux-libre-6.15.5-gnu/drivers/regulator/fan53555.c linux-libre-6.15.6-gnu/drivers/regulator/fan53555.c
index bd9447dac596..c282236959b1 100644
--- linux-libre-6.15.5-gnu/drivers/regulator/fan53555.c
+++ linux-libre-6.15.6-gnu/drivers/regulator/fan53555.c
@@ -147,6 +147,7 @@ struct fan53555_device_info {
 	unsigned int slew_mask;
 	const unsigned int *ramp_delay_table;
 	unsigned int n_ramp_values;
+	unsigned int enable_time;
 	unsigned int slew_rate;
 };
 
@@ -282,6 +283,7 @@ static int fan53526_voltages_setup_fairchild(struct fan53555_device_info *di)
 	di->slew_mask = CTL_SLEW_MASK;
 	di->ramp_delay_table = slew_rates;
 	di->n_ramp_values = ARRAY_SIZE(slew_rates);
+	di->enable_time = 250;
 	di->vsel_count = FAN53526_NVOLTAGES;
 
 	return 0;
@@ -296,10 +298,12 @@ static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
 		case FAN53555_CHIP_REV_00:
 			di->vsel_min = 600000;
 			di->vsel_step = 10000;
+			di->enable_time = 400;
 			break;
 		case FAN53555_CHIP_REV_13:
 			di->vsel_min = 800000;
 			di->vsel_step = 10000;
+			di->enable_time = 400;
 			break;
 		default:
 			dev_err(di->dev,
@@ -311,13 +315,19 @@ static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
 	case FAN53555_CHIP_ID_01:
 	case FAN53555_CHIP_ID_03:
 	case FAN53555_CHIP_ID_05:
+		di->vsel_min = 600000;
+		di->vsel_step = 10000;
+		di->enable_time = 400;
+		break;
 	case FAN53555_CHIP_ID_08:
 		di->vsel_min = 600000;
 		di->vsel_step = 10000;
+		di->enable_time = 175;
 		break;
 	case FAN53555_CHIP_ID_04:
 		di->vsel_min = 603000;
 		di->vsel_step = 12826;
+		di->enable_time = 400;
 		break;
 	default:
 		dev_err(di->dev,
@@ -350,6 +360,7 @@ static int fan53555_voltages_setup_rockchip(struct fan53555_device_info *di)
 	di->slew_mask = CTL_SLEW_MASK;
 	di->ramp_delay_table = slew_rates;
 	di->n_ramp_values = ARRAY_SIZE(slew_rates);
+	di->enable_time = 360;
 	di->vsel_count = FAN53555_NVOLTAGES;
 
 	return 0;
@@ -372,6 +383,7 @@ static int rk8602_voltages_setup_rockchip(struct fan53555_device_info *di)
 	di->slew_mask = CTL_SLEW_MASK;
 	di->ramp_delay_table = slew_rates;
 	di->n_ramp_values = ARRAY_SIZE(slew_rates);
+	di->enable_time = 360;
 	di->vsel_count = RK8602_NVOLTAGES;
 
 	return 0;
@@ -395,6 +407,7 @@ static int fan53555_voltages_setup_silergy(struct fan53555_device_info *di)
 	di->slew_mask = CTL_SLEW_MASK;
 	di->ramp_delay_table = slew_rates;
 	di->n_ramp_values = ARRAY_SIZE(slew_rates);
+	di->enable_time = 400;
 	di->vsel_count = FAN53555_NVOLTAGES;
 
 	return 0;
@@ -594,6 +607,7 @@ static int fan53555_regulator_register(struct fan53555_device_info *di,
 	rdesc->ramp_mask = di->slew_mask;
 	rdesc->ramp_delay_table = di->ramp_delay_table;
 	rdesc->n_ramp_values = di->n_ramp_values;
+	rdesc->enable_time = di->enable_time;
 	rdesc->owner = THIS_MODULE;
 
 	rdev = devm_regulator_register(di->dev, &di->desc, config);
diff --git linux-libre-6.15.5-gnu/drivers/regulator/gpio-regulator.c linux-libre-6.15.6-gnu/drivers/regulator/gpio-regulator.c
index 65927fa2ef16..1bdd494cf882 100644
--- linux-libre-6.15.5-gnu/drivers/regulator/gpio-regulator.c
+++ linux-libre-6.15.6-gnu/drivers/regulator/gpio-regulator.c
@@ -260,8 +260,10 @@ static int gpio_regulator_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	drvdata->gpiods = devm_kzalloc(dev, sizeof(struct gpio_desc *),
-				       GFP_KERNEL);
+	drvdata->gpiods = devm_kcalloc(dev, config->ngpios,
+				       sizeof(struct gpio_desc *), GFP_KERNEL);
+	if (!drvdata->gpiods)
+		return -ENOMEM;
 
 	if (config->input_supply) {
 		drvdata->desc.supply_name = devm_kstrdup(&pdev->dev,
@@ -274,8 +276,6 @@ static int gpio_regulator_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (!drvdata->gpiods)
-		return -ENOMEM;
 	for (i = 0; i < config->ngpios; i++) {
 		drvdata->gpiods[i] = devm_gpiod_get_index(dev,
 							  NULL,
diff --git linux-libre-6.15.5-gnu/drivers/rtc/rtc-cmos.c linux-libre-6.15.6-gnu/drivers/rtc/rtc-cmos.c
index 8172869bd3d7..0743c6acd6e2 100644
--- linux-libre-6.15.5-gnu/drivers/rtc/rtc-cmos.c
+++ linux-libre-6.15.6-gnu/drivers/rtc/rtc-cmos.c
@@ -692,8 +692,12 @@ static irqreturn_t cmos_interrupt(int irq, void *p)
 {
 	u8		irqstat;
 	u8		rtc_control;
+	unsigned long	flags;
 
-	spin_lock(&rtc_lock);
+	/* We cannot use spin_lock() here, as cmos_interrupt() is also called
+	 * in a non-irq context.
+	 */
+	spin_lock_irqsave(&rtc_lock, flags);
 
 	/* When the HPET interrupt handler calls us, the interrupt
 	 * status is passed as arg1 instead of the irq number.  But
@@ -727,7 +731,7 @@ static irqreturn_t cmos_interrupt(int irq, void *p)
 			hpet_mask_rtc_irq_bit(RTC_AIE);
 		CMOS_READ(RTC_INTR_FLAGS);
 	}
-	spin_unlock(&rtc_lock);
+	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	if (is_intr(irqstat)) {
 		rtc_update_irq(p, 1, irqstat);
@@ -1295,9 +1299,7 @@ static void cmos_check_wkalrm(struct device *dev)
 	 * ACK the rtc irq here
 	 */
 	if (t_now >= cmos->alarm_expires && cmos_use_acpi_alarm()) {
-		local_irq_disable();
 		cmos_interrupt(0, (void *)cmos->rtc);
-		local_irq_enable();
 		return;
 	}
 
diff --git linux-libre-6.15.5-gnu/drivers/rtc/rtc-pcf2127.c linux-libre-6.15.6-gnu/drivers/rtc/rtc-pcf2127.c
index 31c7dca8f469..02e4b1075097 100644
--- linux-libre-6.15.5-gnu/drivers/rtc/rtc-pcf2127.c
+++ linux-libre-6.15.6-gnu/drivers/rtc/rtc-pcf2127.c
@@ -1465,6 +1465,11 @@ static int pcf2127_i2c_probe(struct i2c_client *client)
 		variant = &pcf21xx_cfg[type];
 	}
 
+	if (variant->type == PCF2131) {
+		config.read_flag_mask = 0x0;
+		config.write_flag_mask = 0x0;
+	}
+
 	config.max_register = variant->max_register,
 
 	regmap = devm_regmap_init(&client->dev, &pcf2127_i2c_regmap,
@@ -1538,7 +1543,7 @@ static int pcf2127_spi_probe(struct spi_device *spi)
 		variant = &pcf21xx_cfg[type];
 	}
 
-	config.max_register = variant->max_register,
+	config.max_register = variant->max_register;
 
 	regmap = devm_regmap_init_spi(spi, &config);
 	if (IS_ERR(regmap)) {
diff --git linux-libre-6.15.5-gnu/drivers/scsi/hosts.c linux-libre-6.15.6-gnu/drivers/scsi/hosts.c
index e021f1106bea..cc5d05dc395c 100644
--- linux-libre-6.15.5-gnu/drivers/scsi/hosts.c
+++ linux-libre-6.15.6-gnu/drivers/scsi/hosts.c
@@ -473,10 +473,17 @@ struct Scsi_Host *scsi_host_alloc(const struct scsi_host_template *sht, int priv
 	else
 		shost->max_sectors = SCSI_DEFAULT_MAX_SECTORS;
 
-	if (sht->max_segment_size)
-		shost->max_segment_size = sht->max_segment_size;
-	else
-		shost->max_segment_size = BLK_MAX_SEGMENT_SIZE;
+	shost->virt_boundary_mask = sht->virt_boundary_mask;
+	if (shost->virt_boundary_mask) {
+		WARN_ON_ONCE(sht->max_segment_size &&
+			     sht->max_segment_size != UINT_MAX);
+		shost->max_segment_size = UINT_MAX;
+	} else {
+		if (sht->max_segment_size)
+			shost->max_segment_size = sht->max_segment_size;
+		else
+			shost->max_segment_size = BLK_MAX_SEGMENT_SIZE;
+	}
 
 	/* 32-byte (dword) is a common minimum for HBAs. */
 	if (sht->dma_alignment)
@@ -492,9 +499,6 @@ struct Scsi_Host *scsi_host_alloc(const struct scsi_host_template *sht, int priv
 	else
 		shost->dma_boundary = 0xffffffff;
 
-	if (sht->virt_boundary_mask)
-		shost->virt_boundary_mask = sht->virt_boundary_mask;
-
 	device_initialize(&shost->shost_gendev);
 	dev_set_name(&shost->shost_gendev, "host%d", shost->host_no);
 	shost->shost_gendev.bus = &scsi_bus_type;
diff --git linux-libre-6.15.5-gnu/drivers/scsi/qla2xxx/qla_mbx.c linux-libre-6.15.6-gnu/drivers/scsi/qla2xxx/qla_mbx.c
index 0cd6f3e14882..13b6cb1b93ac 100644
--- linux-libre-6.15.5-gnu/drivers/scsi/qla2xxx/qla_mbx.c
+++ linux-libre-6.15.6-gnu/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2147,7 +2147,7 @@ qla24xx_get_port_database(scsi_qla_host_t *vha, u16 nport_handle,
 
 	pdb_dma = dma_map_single(&vha->hw->pdev->dev, pdb,
 	    sizeof(*pdb), DMA_FROM_DEVICE);
-	if (!pdb_dma) {
+	if (dma_mapping_error(&vha->hw->pdev->dev, pdb_dma)) {
 		ql_log(ql_log_warn, vha, 0x1116, "Failed to map dma buffer.\n");
 		return QLA_MEMORY_ALLOC_FAILED;
 	}
diff --git linux-libre-6.15.5-gnu/drivers/scsi/qla4xxx/ql4_os.c linux-libre-6.15.6-gnu/drivers/scsi/qla4xxx/ql4_os.c
index d540d66e6ffc..80c4b4e7526b 100644
--- linux-libre-6.15.5-gnu/drivers/scsi/qla4xxx/ql4_os.c
+++ linux-libre-6.15.6-gnu/drivers/scsi/qla4xxx/ql4_os.c
@@ -3420,6 +3420,8 @@ static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
 		task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
 						     task->data_count,
 						     DMA_TO_DEVICE);
+		if (dma_mapping_error(&ha->pdev->dev, task_data->data_dma))
+			return -ENOMEM;
 	}
 
 	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
diff --git linux-libre-6.15.5-gnu/drivers/scsi/sd.c linux-libre-6.15.6-gnu/drivers/scsi/sd.c
index 950d8c9fb884..89d5c4b17bc4 100644
--- linux-libre-6.15.5-gnu/drivers/scsi/sd.c
+++ linux-libre-6.15.6-gnu/drivers/scsi/sd.c
@@ -3384,7 +3384,7 @@ static void sd_read_block_limits_ext(struct scsi_disk *sdkp)
 
 	rcu_read_lock();
 	vpd = rcu_dereference(sdkp->device->vpd_pgb7);
-	if (vpd && vpd->len >= 2)
+	if (vpd && vpd->len >= 6)
 		sdkp->rscs = vpd->data[5] & 1;
 	rcu_read_unlock();
 }
diff --git linux-libre-6.15.5-gnu/drivers/spi/spi-fsl-dspi.c linux-libre-6.15.6-gnu/drivers/spi/spi-fsl-dspi.c
index 863781ba6c16..0dcd49114095 100644
--- linux-libre-6.15.5-gnu/drivers/spi/spi-fsl-dspi.c
+++ linux-libre-6.15.6-gnu/drivers/spi/spi-fsl-dspi.c
@@ -983,11 +983,20 @@ static int dspi_transfer_one_message(struct spi_controller *ctlr,
 		if (dspi->devtype_data->trans_mode == DSPI_DMA_MODE) {
 			status = dspi_dma_xfer(dspi);
 		} else {
+			/*
+			 * Reinitialize the completion before transferring data
+			 * to avoid the case where it might remain in the done
+			 * state due to a spurious interrupt from a previous
+			 * transfer. This could falsely signal that the current
+			 * transfer has completed.
+			 */
+			if (dspi->irq)
+				reinit_completion(&dspi->xfer_done);
+
 			dspi_fifo_write(dspi);
 
 			if (dspi->irq) {
 				wait_for_completion(&dspi->xfer_done);
-				reinit_completion(&dspi->xfer_done);
 			} else {
 				do {
 					status = dspi_poll(dspi);
diff --git linux-libre-6.15.5-gnu/drivers/spi/spi-qpic-snand.c linux-libre-6.15.6-gnu/drivers/spi/spi-qpic-snand.c
index d3a4e091dca4..80856d2fa35c 100644
--- linux-libre-6.15.5-gnu/drivers/spi/spi-qpic-snand.c
+++ linux-libre-6.15.6-gnu/drivers/spi/spi-qpic-snand.c
@@ -316,6 +316,22 @@ static int qcom_spi_ecc_init_ctx_pipelined(struct nand_device *nand)
 
 	mtd_set_ooblayout(mtd, &qcom_spi_ooblayout);
 
+	/*
+	 * Free the temporary BAM transaction allocated initially by
+	 * qcom_nandc_alloc(), and allocate a new one based on the
+	 * updated max_cwperpage value.
+	 */
+	qcom_free_bam_transaction(snandc);
+
+	snandc->max_cwperpage = cwperpage;
+
+	snandc->bam_txn = qcom_alloc_bam_transaction(snandc);
+	if (!snandc->bam_txn) {
+		dev_err(snandc->dev, "failed to allocate BAM transaction\n");
+		ret = -ENOMEM;
+		goto err_free_ecc_cfg;
+	}
+
 	ecc_cfg->cfg0 = FIELD_PREP(CW_PER_PAGE_MASK, (cwperpage - 1)) |
 			FIELD_PREP(UD_SIZE_BYTES_MASK, ecc_cfg->cw_data) |
 			FIELD_PREP(DISABLE_STATUS_AFTER_WRITE, 1) |
diff --git linux-libre-6.15.5-gnu/drivers/target/target_core_pr.c linux-libre-6.15.6-gnu/drivers/target/target_core_pr.c
index 34cf2c399b39..70905805cb17 100644
--- linux-libre-6.15.5-gnu/drivers/target/target_core_pr.c
+++ linux-libre-6.15.6-gnu/drivers/target/target_core_pr.c
@@ -1842,7 +1842,9 @@ out:
 		}
 
 		kmem_cache_free(t10_pr_reg_cache, dest_pr_reg);
-		core_scsi3_lunacl_undepend_item(dest_se_deve);
+
+		if (dest_se_deve)
+			core_scsi3_lunacl_undepend_item(dest_se_deve);
 
 		if (is_local)
 			continue;
diff --git linux-libre-6.15.5-gnu/drivers/tee/optee/ffa_abi.c linux-libre-6.15.6-gnu/drivers/tee/optee/ffa_abi.c
index f3af5666bb11..f9ef7d94cebd 100644
--- linux-libre-6.15.5-gnu/drivers/tee/optee/ffa_abi.c
+++ linux-libre-6.15.6-gnu/drivers/tee/optee/ffa_abi.c
@@ -728,12 +728,21 @@ static bool optee_ffa_exchange_caps(struct ffa_device *ffa_dev,
 	return true;
 }
 
+static void notif_work_fn(struct work_struct *work)
+{
+	struct optee_ffa *optee_ffa = container_of(work, struct optee_ffa,
+						   notif_work);
+	struct optee *optee = container_of(optee_ffa, struct optee, ffa);
+
+	optee_do_bottom_half(optee->ctx);
+}
+
 static void notif_callback(int notify_id, void *cb_data)
 {
 	struct optee *optee = cb_data;
 
 	if (notify_id == optee->ffa.bottom_half_value)
-		optee_do_bottom_half(optee->ctx);
+		queue_work(optee->ffa.notif_wq, &optee->ffa.notif_work);
 	else
 		optee_notif_send(optee, notify_id);
 }
@@ -817,9 +826,11 @@ static void optee_ffa_remove(struct ffa_device *ffa_dev)
 	struct optee *optee = ffa_dev_get_drvdata(ffa_dev);
 	u32 bottom_half_id = optee->ffa.bottom_half_value;
 
-	if (bottom_half_id != U32_MAX)
+	if (bottom_half_id != U32_MAX) {
 		ffa_dev->ops->notifier_ops->notify_relinquish(ffa_dev,
 							      bottom_half_id);
+		destroy_workqueue(optee->ffa.notif_wq);
+	}
 	optee_remove_common(optee);
 
 	mutex_destroy(&optee->ffa.mutex);
@@ -835,6 +846,13 @@ static int optee_ffa_async_notif_init(struct ffa_device *ffa_dev,
 	u32 notif_id = 0;
 	int rc;
 
+	INIT_WORK(&optee->ffa.notif_work, notif_work_fn);
+	optee->ffa.notif_wq = create_workqueue("optee_notification");
+	if (!optee->ffa.notif_wq) {
+		rc = -EINVAL;
+		goto err;
+	}
+
 	while (true) {
 		rc = ffa_dev->ops->notifier_ops->notify_request(ffa_dev,
 								is_per_vcpu,
@@ -851,19 +869,24 @@ static int optee_ffa_async_notif_init(struct ffa_device *ffa_dev,
 		 * notifications in that case.
 		 */
 		if (rc != -EACCES)
-			return rc;
+			goto err_wq;
 		notif_id++;
 		if (notif_id >= OPTEE_FFA_MAX_ASYNC_NOTIF_VALUE)
-			return rc;
+			goto err_wq;
 	}
 	optee->ffa.bottom_half_value = notif_id;
 
 	rc = enable_async_notif(optee);
-	if (rc < 0) {
-		ffa_dev->ops->notifier_ops->notify_relinquish(ffa_dev,
-							      notif_id);
-		optee->ffa.bottom_half_value = U32_MAX;
-	}
+	if (rc < 0)
+		goto err_rel;
+
+	return 0;
+err_rel:
+	ffa_dev->ops->notifier_ops->notify_relinquish(ffa_dev, notif_id);
+err_wq:
+	destroy_workqueue(optee->ffa.notif_wq);
+err:
+	optee->ffa.bottom_half_value = U32_MAX;
 
 	return rc;
 }
diff --git linux-libre-6.15.5-gnu/drivers/tee/optee/optee_private.h linux-libre-6.15.6-gnu/drivers/tee/optee/optee_private.h
index dc0f355ef72a..9526087f0e68 100644
--- linux-libre-6.15.5-gnu/drivers/tee/optee/optee_private.h
+++ linux-libre-6.15.6-gnu/drivers/tee/optee/optee_private.h
@@ -165,6 +165,8 @@ struct optee_ffa {
 	/* Serializes access to @global_ids */
 	struct mutex mutex;
 	struct rhashtable global_ids;
+	struct workqueue_struct *notif_wq;
+	struct work_struct notif_work;
 };
 
 struct optee;
diff --git linux-libre-6.15.5-gnu/drivers/ufs/core/ufs-sysfs.c linux-libre-6.15.6-gnu/drivers/ufs/core/ufs-sysfs.c
index 634cf163f4cb..c53f924f7fa8 100644
--- linux-libre-6.15.5-gnu/drivers/ufs/core/ufs-sysfs.c
+++ linux-libre-6.15.6-gnu/drivers/ufs/core/ufs-sysfs.c
@@ -1675,7 +1675,7 @@ UFS_UNIT_DESC_PARAM(logical_block_size, _LOGICAL_BLK_SIZE, 1);
 UFS_UNIT_DESC_PARAM(logical_block_count, _LOGICAL_BLK_COUNT, 8);
 UFS_UNIT_DESC_PARAM(erase_block_size, _ERASE_BLK_SIZE, 4);
 UFS_UNIT_DESC_PARAM(provisioning_type, _PROVISIONING_TYPE, 1);
-UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8);
+UFS_UNIT_DESC_PARAM(physical_memory_resource_count, _PHY_MEM_RSRC_CNT, 8);
 UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2);
 UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1);
 UFS_UNIT_DESC_PARAM(wb_buf_alloc_units, _WB_BUF_ALLOC_UNITS, 4);
@@ -1692,7 +1692,7 @@ static struct attribute *ufs_sysfs_unit_descriptor[] = {
 	&dev_attr_logical_block_count.attr,
 	&dev_attr_erase_block_size.attr,
 	&dev_attr_provisioning_type.attr,
-	&dev_attr_physical_memory_resourse_count.attr,
+	&dev_attr_physical_memory_resource_count.attr,
 	&dev_attr_context_capabilities.attr,
 	&dev_attr_large_unit_granularity.attr,
 	&dev_attr_wb_buf_alloc_units.attr,
diff --git linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-debug.h linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-debug.h
index cd138acdcce1..86860686d836 100644
--- linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-debug.h
+++ linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-debug.h
@@ -327,12 +327,13 @@ static inline const char *cdnsp_decode_trb(char *str, size_t size, u32 field0,
 	case TRB_RESET_EP:
 	case TRB_HALT_ENDPOINT:
 		ret = scnprintf(str, size,
-				"%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c",
+				"%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c %c",
 				cdnsp_trb_type_string(type),
 				ep_num, ep_id % 2 ? "out" : "in",
 				TRB_TO_EP_INDEX(field3), field1, field0,
 				TRB_TO_SLOT_ID(field3),
-				field3 & TRB_CYCLE ? 'C' : 'c');
+				field3 & TRB_CYCLE ? 'C' : 'c',
+				field3 & TRB_ESP ? 'P' : 'p');
 		break;
 	case TRB_STOP_RING:
 		ret = scnprintf(str, size,
diff --git linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-ep0.c linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-ep0.c
index f317d3c84781..5cd9b898ce97 100644
--- linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-ep0.c
+++ linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-ep0.c
@@ -414,6 +414,7 @@ static int cdnsp_ep0_std_request(struct cdnsp_device *pdev,
 void cdnsp_setup_analyze(struct cdnsp_device *pdev)
 {
 	struct usb_ctrlrequest *ctrl = &pdev->setup;
+	struct cdnsp_ep *pep;
 	int ret = -EINVAL;
 	u16 len;
 
@@ -427,10 +428,21 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev)
 		goto out;
 	}
 
+	pep = &pdev->eps[0];
+
 	/* Restore the ep0 to Stopped/Running state. */
-	if (pdev->eps[0].ep_state & EP_HALTED) {
-		trace_cdnsp_ep0_halted("Restore to normal state");
-		cdnsp_halt_endpoint(pdev, &pdev->eps[0], 0);
+	if (pep->ep_state & EP_HALTED) {
+		if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_HALTED)
+			cdnsp_halt_endpoint(pdev, pep, 0);
+
+		/*
+		 * Halt Endpoint Command for SSP2 for ep0 preserve current
+		 * endpoint state and driver has to synchronize the
+		 * software endpoint state with endpoint output context
+		 * state.
+		 */
+		pep->ep_state &= ~EP_HALTED;
+		pep->ep_state |= EP_STOPPED;
 	}
 
 	/*
diff --git linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-gadget.h linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-gadget.h
index 2afa3e558f85..a91cca509db0 100644
--- linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-gadget.h
+++ linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-gadget.h
@@ -987,6 +987,12 @@ enum cdnsp_setup_dev {
 #define STREAM_ID_FOR_TRB(p)		((((p)) << 16) & GENMASK(31, 16))
 #define SCT_FOR_TRB(p)			(((p) << 1) & 0x7)
 
+/*
+ * Halt Endpoint Command TRB field.
+ * The ESP bit only exists in the SSP2 controller.
+ */
+#define TRB_ESP				BIT(9)
+
 /* Link TRB specific fields. */
 #define TRB_TC				BIT(1)
 
diff --git linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-ring.c linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-ring.c
index fd06cb85c4ea..0758f171f73e 100644
--- linux-libre-6.15.5-gnu/drivers/usb/cdns3/cdnsp-ring.c
+++ linux-libre-6.15.6-gnu/drivers/usb/cdns3/cdnsp-ring.c
@@ -772,7 +772,9 @@ static int cdnsp_update_port_id(struct cdnsp_device *pdev, u32 port_id)
 	}
 
 	if (port_id != old_port) {
-		cdnsp_disable_slot(pdev);
+		if (pdev->slot_id)
+			cdnsp_disable_slot(pdev);
+
 		pdev->active_port = port;
 		cdnsp_enable_slot(pdev);
 	}
@@ -2483,7 +2485,8 @@ void cdnsp_queue_halt_endpoint(struct cdnsp_device *pdev, unsigned int ep_index)
 {
 	cdnsp_queue_command(pdev, 0, 0, 0, TRB_TYPE(TRB_HALT_ENDPOINT) |
 			    SLOT_ID_FOR_TRB(pdev->slot_id) |
-			    EP_ID_FOR_TRB(ep_index));
+			    EP_ID_FOR_TRB(ep_index) |
+			    (!ep_index ? TRB_ESP : 0));
 }
 
 void cdnsp_force_header_wakeup(struct cdnsp_device *pdev, int intf_num)
diff --git linux-libre-6.15.5-gnu/drivers/usb/chipidea/udc.c linux-libre-6.15.6-gnu/drivers/usb/chipidea/udc.c
index 8a9b31fd5c89..1a48e6440e6c 100644
--- linux-libre-6.15.5-gnu/drivers/usb/chipidea/udc.c
+++ linux-libre-6.15.6-gnu/drivers/usb/chipidea/udc.c
@@ -2374,6 +2374,10 @@ static void udc_suspend(struct ci_hdrc *ci)
 	 */
 	if (hw_read(ci, OP_ENDPTLISTADDR, ~0) == 0)
 		hw_write(ci, OP_ENDPTLISTADDR, ~0, ~0);
+
+	if (ci->gadget.connected &&
+	    (!ci->suspended || !device_may_wakeup(ci->dev)))
+		usb_gadget_disconnect(&ci->gadget);
 }
 
 static void udc_resume(struct ci_hdrc *ci, bool power_lost)
@@ -2384,6 +2388,9 @@ static void udc_resume(struct ci_hdrc *ci, bool power_lost)
 					OTGSC_BSVIS | OTGSC_BSVIE);
 		if (ci->vbus_active)
 			usb_gadget_vbus_disconnect(&ci->gadget);
+	} else if (ci->vbus_active && ci->driver &&
+		   !ci->gadget.connected) {
+		usb_gadget_connect(&ci->gadget);
 	}
 
 	/* Restore value 0 if it was set for power lost check */
diff --git linux-libre-6.15.5-gnu/drivers/usb/core/hub.c linux-libre-6.15.6-gnu/drivers/usb/core/hub.c
index 9f19fc7494e0..f71b807d71a7 100644
--- linux-libre-6.15.5-gnu/drivers/usb/core/hub.c
+++ linux-libre-6.15.6-gnu/drivers/usb/core/hub.c
@@ -2337,6 +2337,9 @@ void usb_disconnect(struct usb_device **pdev)
 	usb_remove_ep_devs(&udev->ep0);
 	usb_unlock_device(udev);
 
+	if (udev->usb4_link)
+		device_link_del(udev->usb4_link);
+
 	/* Unregister the device.  The device driver is responsible
 	 * for de-configuring the device and invoking the remove-device
 	 * notifier chain (used by usbfs and possibly others).
diff --git linux-libre-6.15.5-gnu/drivers/usb/core/quirks.c linux-libre-6.15.6-gnu/drivers/usb/core/quirks.c
index 53d68d20fb62..0cf94c7a2c9c 100644
--- linux-libre-6.15.5-gnu/drivers/usb/core/quirks.c
+++ linux-libre-6.15.6-gnu/drivers/usb/core/quirks.c
@@ -227,7 +227,8 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
 
 	/* Logitech HD Webcam C270 */
-	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME |
+		USB_QUIRK_NO_LPM},
 
 	/* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */
 	{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
diff --git linux-libre-6.15.5-gnu/drivers/usb/core/usb-acpi.c linux-libre-6.15.6-gnu/drivers/usb/core/usb-acpi.c
index ea1ce8beb0cb..489dbdc96f94 100644
--- linux-libre-6.15.5-gnu/drivers/usb/core/usb-acpi.c
+++ linux-libre-6.15.6-gnu/drivers/usb/core/usb-acpi.c
@@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(usb_acpi_set_power_state);
  */
 static int usb_acpi_add_usb4_devlink(struct usb_device *udev)
 {
-	const struct device_link *link;
+	struct device_link *link;
 	struct usb_port *port_dev;
 	struct usb_hub *hub;
 
@@ -188,6 +188,8 @@ static int usb_acpi_add_usb4_devlink(struct usb_device *udev)
 	dev_dbg(&port_dev->dev, "Created device link from %s to %s\n",
 		dev_name(&port_dev->child->dev), dev_name(nhi_fwnode->dev));
 
+	udev->usb4_link = link;
+
 	return 0;
 }
 
diff --git linux-libre-6.15.5-gnu/drivers/usb/dwc3/core.c linux-libre-6.15.6-gnu/drivers/usb/dwc3/core.c
index 66a08b527165..f36bc933c55b 100644
--- linux-libre-6.15.5-gnu/drivers/usb/dwc3/core.c
+++ linux-libre-6.15.6-gnu/drivers/usb/dwc3/core.c
@@ -2388,6 +2388,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 {
 	u32 reg;
 	int i;
+	int ret;
 
 	if (!pm_runtime_suspended(dwc->dev) && !PMSG_IS_AUTO(msg)) {
 		dwc->susphy_state = (dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)) &
@@ -2406,7 +2407,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 	case DWC3_GCTL_PRTCAP_DEVICE:
 		if (pm_runtime_suspended(dwc->dev))
 			break;
-		dwc3_gadget_suspend(dwc);
+		ret = dwc3_gadget_suspend(dwc);
+		if (ret)
+			return ret;
 		synchronize_irq(dwc->irq_gadget);
 		dwc3_core_exit(dwc);
 		break;
@@ -2441,7 +2444,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 			break;
 
 		if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) {
-			dwc3_gadget_suspend(dwc);
+			ret = dwc3_gadget_suspend(dwc);
+			if (ret)
+				return ret;
 			synchronize_irq(dwc->irq_gadget);
 		}
 
diff --git linux-libre-6.15.5-gnu/drivers/usb/dwc3/gadget.c linux-libre-6.15.6-gnu/drivers/usb/dwc3/gadget.c
index 321361288935..74968f93d4a3 100644
--- linux-libre-6.15.5-gnu/drivers/usb/dwc3/gadget.c
+++ linux-libre-6.15.6-gnu/drivers/usb/dwc3/gadget.c
@@ -3516,7 +3516,7 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep,
 	 * We're going to do that here to avoid problems of HW trying
 	 * to use bogus TRBs for transfers.
 	 */
-	if (chain && (trb->ctrl & DWC3_TRB_CTRL_HWO))
+	if (trb->ctrl & DWC3_TRB_CTRL_HWO)
 		trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
 
 	/*
@@ -4821,26 +4821,22 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
 	int ret;
 
 	ret = dwc3_gadget_soft_disconnect(dwc);
-	if (ret)
-		goto err;
-
-	spin_lock_irqsave(&dwc->lock, flags);
-	if (dwc->gadget_driver)
-		dwc3_disconnect_gadget(dwc);
-	spin_unlock_irqrestore(&dwc->lock, flags);
-
-	return 0;
-
-err:
 	/*
 	 * Attempt to reset the controller's state. Likely no
 	 * communication can be established until the host
 	 * performs a port reset.
 	 */
-	if (dwc->softconnect)
+	if (ret && dwc->softconnect) {
 		dwc3_gadget_soft_connect(dwc);
+		return -EAGAIN;
+	}
 
-	return ret;
+	spin_lock_irqsave(&dwc->lock, flags);
+	if (dwc->gadget_driver)
+		dwc3_disconnect_gadget(dwc);
+	spin_unlock_irqrestore(&dwc->lock, flags);
+
+	return 0;
 }
 
 int dwc3_gadget_resume(struct dwc3 *dwc)
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci-dbgcap.c linux-libre-6.15.6-gnu/drivers/usb/host/xhci-dbgcap.c
index 0d4ce5734165..06a2edb9e86e 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci-dbgcap.c
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci-dbgcap.c
@@ -652,6 +652,10 @@ static void xhci_dbc_stop(struct xhci_dbc *dbc)
 	case DS_DISABLED:
 		return;
 	case DS_CONFIGURED:
+		spin_lock(&dbc->lock);
+		xhci_dbc_flush_requests(dbc);
+		spin_unlock(&dbc->lock);
+
 		if (dbc->driver->disconnect)
 			dbc->driver->disconnect(dbc);
 		break;
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci-dbgtty.c linux-libre-6.15.6-gnu/drivers/usb/host/xhci-dbgtty.c
index 60ed753c85bb..d894081d8d15 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci-dbgtty.c
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci-dbgtty.c
@@ -617,6 +617,7 @@ int dbc_tty_init(void)
 	dbc_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
 	dbc_tty_driver->subtype = SERIAL_TYPE_NORMAL;
 	dbc_tty_driver->init_termios = tty_std_termios;
+	dbc_tty_driver->init_termios.c_lflag &= ~ECHO;
 	dbc_tty_driver->init_termios.c_cflag =
 			B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	dbc_tty_driver->init_termios.c_ispeed = 9600;
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci-mem.c linux-libre-6.15.6-gnu/drivers/usb/host/xhci-mem.c
index d698095fc88d..a5e7980ac103 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci-mem.c
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci-mem.c
@@ -1420,6 +1420,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
 	/* Periodic endpoint bInterval limit quirk */
 	if (usb_endpoint_xfer_int(&ep->desc) ||
 	    usb_endpoint_xfer_isoc(&ep->desc)) {
+		if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_9) &&
+		    interval >= 9) {
+			interval = 8;
+		}
 		if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_7) &&
 		    udev->speed >= USB_SPEED_HIGH &&
 		    interval >= 7) {
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci-pci.c linux-libre-6.15.6-gnu/drivers/usb/host/xhci-pci.c
index 0c481cbc8f08..00fac8b233d2 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci-pci.c
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci-pci.c
@@ -71,12 +71,22 @@
 #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI		0x15ec
 #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI		0x15f0
 
+#define PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI		0x13ed
+#define PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI		0x13ee
+#define PCI_DEVICE_ID_AMD_STARSHIP_XHCI			0x148c
+#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI		0x15d4
+#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI		0x15d5
+#define PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI		0x15e0
+#define PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI		0x15e1
+#define PCI_DEVICE_ID_AMD_RAVEN2_XHCI			0x15e5
 #define PCI_DEVICE_ID_AMD_RENOIR_XHCI			0x1639
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_4			0x43b9
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_3			0x43ba
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_2			0x43bb
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_1			0x43bc
 
+#define PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI		0x7316
+
 #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI			0x1042
 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI		0x1142
 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI			0x1242
@@ -280,6 +290,21 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	if (pdev->vendor == PCI_VENDOR_ID_NEC)
 		xhci->quirks |= XHCI_NEC_HOST;
 
+	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+	    (pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_STARSHIP_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_RAVEN2_XHCI))
+		xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
+
+	if (pdev->vendor == PCI_VENDOR_ID_ATI &&
+	    pdev->device == PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI)
+		xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
+
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
 		xhci->quirks |= XHCI_AMD_0x96_HOST;
 
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci-plat.c linux-libre-6.15.6-gnu/drivers/usb/host/xhci-plat.c
index 3155e3a842da..619481dec8e8 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci-plat.c
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci-plat.c
@@ -326,7 +326,8 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
 	}
 
 	usb3_hcd = xhci_get_usb3_hcd(xhci);
-	if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4)
+	if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4 &&
+	    !(xhci->quirks & XHCI_BROKEN_STREAMS))
 		usb3_hcd->can_do_streams = 1;
 
 	if (xhci->shared_hcd) {
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci-ring.c linux-libre-6.15.6-gnu/drivers/usb/host/xhci-ring.c
index 423bf3649570..b720e04ce7d8 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci-ring.c
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci-ring.c
@@ -518,9 +518,8 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags)
 	 * In the future we should distinguish between -ENODEV and -ETIMEDOUT
 	 * and try to recover a -ETIMEDOUT with a host controller reset.
 	 */
-	ret = xhci_handshake_check_state(xhci, &xhci->op_regs->cmd_ring,
-			CMD_RING_RUNNING, 0, 5 * 1000 * 1000,
-			XHCI_STATE_REMOVING);
+	ret = xhci_handshake(&xhci->op_regs->cmd_ring,
+			CMD_RING_RUNNING, 0, 5 * 1000 * 1000);
 	if (ret < 0) {
 		xhci_err(xhci, "Abort failed to stop command ring: %d\n", ret);
 		xhci_halt(xhci);
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci.c linux-libre-6.15.6-gnu/drivers/usb/host/xhci.c
index 90eb491267b5..cb9f35acb1f9 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci.c
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci.c
@@ -83,29 +83,6 @@ int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, u64 timeout_us)
 	return ret;
 }
 
-/*
- * xhci_handshake_check_state - same as xhci_handshake but takes an additional
- * exit_state parameter, and bails out with an error immediately when xhc_state
- * has exit_state flag set.
- */
-int xhci_handshake_check_state(struct xhci_hcd *xhci, void __iomem *ptr,
-		u32 mask, u32 done, int usec, unsigned int exit_state)
-{
-	u32	result;
-	int	ret;
-
-	ret = readl_poll_timeout_atomic(ptr, result,
-				(result & mask) == done ||
-				result == U32_MAX ||
-				xhci->xhc_state & exit_state,
-				1, usec);
-
-	if (result == U32_MAX || xhci->xhc_state & exit_state)
-		return -ENODEV;
-
-	return ret;
-}
-
 /*
  * Disable interrupts and begin the xHCI halting process.
  */
@@ -226,8 +203,7 @@ int xhci_reset(struct xhci_hcd *xhci, u64 timeout_us)
 	if (xhci->quirks & XHCI_INTEL_HOST)
 		udelay(1000);
 
-	ret = xhci_handshake_check_state(xhci, &xhci->op_regs->command,
-				CMD_RESET, 0, timeout_us, XHCI_STATE_REMOVING);
+	ret = xhci_handshake(&xhci->op_regs->command, CMD_RESET, 0, timeout_us);
 	if (ret)
 		return ret;
 
@@ -1084,7 +1060,10 @@ int xhci_resume(struct xhci_hcd *xhci, bool power_lost, bool is_auto_resume)
 		xhci_dbg(xhci, "Stop HCD\n");
 		xhci_halt(xhci);
 		xhci_zero_64b_regs(xhci);
-		retval = xhci_reset(xhci, XHCI_RESET_LONG_USEC);
+		if (xhci->xhc_state & XHCI_STATE_REMOVING)
+			retval = -ENODEV;
+		else
+			retval = xhci_reset(xhci, XHCI_RESET_LONG_USEC);
 		spin_unlock_irq(&xhci->lock);
 		if (retval)
 			return retval;
diff --git linux-libre-6.15.5-gnu/drivers/usb/host/xhci.h linux-libre-6.15.6-gnu/drivers/usb/host/xhci.h
index 242ab9fbc8ae..4bd691ea979f 100644
--- linux-libre-6.15.5-gnu/drivers/usb/host/xhci.h
+++ linux-libre-6.15.6-gnu/drivers/usb/host/xhci.h
@@ -1637,6 +1637,7 @@ struct xhci_hcd {
 #define XHCI_WRITE_64_HI_LO	BIT_ULL(47)
 #define XHCI_CDNS_SCTX_QUIRK	BIT_ULL(48)
 #define XHCI_ETRON_HOST	BIT_ULL(49)
+#define XHCI_LIMIT_ENDPOINT_INTERVAL_9 BIT_ULL(50)
 
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
@@ -1855,8 +1856,6 @@ void xhci_remove_secondary_interrupter(struct usb_hcd
 /* xHCI host controller glue */
 typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *);
 int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, u64 timeout_us);
-int xhci_handshake_check_state(struct xhci_hcd *xhci, void __iomem *ptr,
-		u32 mask, u32 done, int usec, unsigned int exit_state);
 void xhci_quiesce(struct xhci_hcd *xhci);
 int xhci_halt(struct xhci_hcd *xhci);
 int xhci_start(struct xhci_hcd *xhci);
diff --git linux-libre-6.15.5-gnu/drivers/usb/typec/altmodes/displayport.c linux-libre-6.15.6-gnu/drivers/usb/typec/altmodes/displayport.c
index b09b58d7311d..d8b906ec4d1c 100644
--- linux-libre-6.15.5-gnu/drivers/usb/typec/altmodes/displayport.c
+++ linux-libre-6.15.6-gnu/drivers/usb/typec/altmodes/displayport.c
@@ -394,8 +394,7 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
 	case CMDT_RSP_NAK:
 		switch (cmd) {
 		case DP_CMD_STATUS_UPDATE:
-			if (typec_altmode_exit(alt))
-				dev_err(&dp->alt->dev, "Exit Mode Failed!\n");
+			dp->state = DP_STATE_EXIT;
 			break;
 		case DP_CMD_CONFIGURE:
 			dp->data.conf = 0;
@@ -677,7 +676,7 @@ static ssize_t pin_assignment_show(struct device *dev,
 
 	assignments = get_current_pin_assignments(dp);
 
-	for (i = 0; assignments; assignments >>= 1, i++) {
+	for (i = 0; assignments && i < DP_PIN_ASSIGN_MAX; assignments >>= 1, i++) {
 		if (assignments & 1) {
 			if (i == cur)
 				len += sprintf(buf + len, "[%s] ",
diff --git linux-libre-6.15.5-gnu/fs/anon_inodes.c linux-libre-6.15.6-gnu/fs/anon_inodes.c
index e51e7d88980a..1d847a939f29 100644
--- linux-libre-6.15.5-gnu/fs/anon_inodes.c
+++ linux-libre-6.15.6-gnu/fs/anon_inodes.c
@@ -98,14 +98,25 @@ static struct file_system_type anon_inode_fs_type = {
 	.kill_sb	= kill_anon_super,
 };
 
-static struct inode *anon_inode_make_secure_inode(
-	const char *name,
-	const struct inode *context_inode)
+/**
+ * anon_inode_make_secure_inode - allocate an anonymous inode with security context
+ * @sb:		[in]	Superblock to allocate from
+ * @name:	[in]	Name of the class of the newfile (e.g., "secretmem")
+ * @context_inode:
+ *		[in]	Optional parent inode for security inheritance
+ *
+ * The function ensures proper security initialization through the LSM hook
+ * security_inode_init_security_anon().
+ *
+ * Return:	Pointer to new inode on success, ERR_PTR on failure.
+ */
+struct inode *anon_inode_make_secure_inode(struct super_block *sb, const char *name,
+					   const struct inode *context_inode)
 {
 	struct inode *inode;
 	int error;
 
-	inode = alloc_anon_inode(anon_inode_mnt->mnt_sb);
+	inode = alloc_anon_inode(sb);
 	if (IS_ERR(inode))
 		return inode;
 	inode->i_flags &= ~S_PRIVATE;
@@ -118,6 +129,7 @@ static struct inode *anon_inode_make_secure_inode(
 	}
 	return inode;
 }
+EXPORT_SYMBOL_GPL_FOR_MODULES(anon_inode_make_secure_inode, "kvm");
 
 static struct file *__anon_inode_getfile(const char *name,
 					 const struct file_operations *fops,
@@ -132,7 +144,8 @@ static struct file *__anon_inode_getfile(const char *name,
 		return ERR_PTR(-ENOENT);
 
 	if (make_inode) {
-		inode =	anon_inode_make_secure_inode(name, context_inode);
+		inode =	anon_inode_make_secure_inode(anon_inode_mnt->mnt_sb,
+						     name, context_inode);
 		if (IS_ERR(inode)) {
 			file = ERR_CAST(inode);
 			goto err;
diff --git linux-libre-6.15.5-gnu/fs/btrfs/block-group.h linux-libre-6.15.6-gnu/fs/btrfs/block-group.h
index 36937eeab9b8..08548b0b5ea1 100644
--- linux-libre-6.15.5-gnu/fs/btrfs/block-group.h
+++ linux-libre-6.15.6-gnu/fs/btrfs/block-group.h
@@ -83,6 +83,8 @@ enum btrfs_block_group_flags {
 	BLOCK_GROUP_FLAG_ZONED_DATA_RELOC,
 	/* Does the block group need to be added to the free space tree? */
 	BLOCK_GROUP_FLAG_NEEDS_FREE_SPACE,
+	/* Set after we add a new block group to the free space tree. */
+	BLOCK_GROUP_FLAG_FREE_SPACE_ADDED,
 	/* Indicate that the block group is placed on a sequential zone */
 	BLOCK_GROUP_FLAG_SEQUENTIAL_ZONE,
 	/*
diff --git linux-libre-6.15.5-gnu/fs/btrfs/free-space-tree.c linux-libre-6.15.6-gnu/fs/btrfs/free-space-tree.c
index 39c6b96a4c25..b65a20fd519b 100644
--- linux-libre-6.15.5-gnu/fs/btrfs/free-space-tree.c
+++ linux-libre-6.15.6-gnu/fs/btrfs/free-space-tree.c
@@ -1217,6 +1217,7 @@ static int clear_free_space_tree(struct btrfs_trans_handle *trans,
 {
 	BTRFS_PATH_AUTO_FREE(path);
 	struct btrfs_key key;
+	struct rb_node *node;
 	int nr;
 	int ret;
 
@@ -1245,6 +1246,16 @@ static int clear_free_space_tree(struct btrfs_trans_handle *trans,
 		btrfs_release_path(path);
 	}
 
+	node = rb_first_cached(&trans->fs_info->block_group_cache_tree);
+	while (node) {
+		struct btrfs_block_group *bg;
+
+		bg = rb_entry(node, struct btrfs_block_group, cache_node);
+		clear_bit(BLOCK_GROUP_FLAG_FREE_SPACE_ADDED, &bg->runtime_flags);
+		node = rb_next(node);
+		cond_resched();
+	}
+
 	return 0;
 }
 
@@ -1334,12 +1345,18 @@ int btrfs_rebuild_free_space_tree(struct btrfs_fs_info *fs_info)
 
 		block_group = rb_entry(node, struct btrfs_block_group,
 				       cache_node);
+
+		if (test_bit(BLOCK_GROUP_FLAG_FREE_SPACE_ADDED,
+			     &block_group->runtime_flags))
+			goto next;
+
 		ret = populate_free_space_tree(trans, block_group);
 		if (ret) {
 			btrfs_abort_transaction(trans, ret);
 			btrfs_end_transaction(trans);
 			return ret;
 		}
+next:
 		if (btrfs_should_end_transaction(trans)) {
 			btrfs_end_transaction(trans);
 			trans = btrfs_start_transaction(free_space_root, 1);
@@ -1366,6 +1383,29 @@ static int __add_block_group_free_space(struct btrfs_trans_handle *trans,
 
 	clear_bit(BLOCK_GROUP_FLAG_NEEDS_FREE_SPACE, &block_group->runtime_flags);
 
+	/*
+	 * While rebuilding the free space tree we may allocate new metadata
+	 * block groups while modifying the free space tree.
+	 *
+	 * Because during the rebuild (at btrfs_rebuild_free_space_tree()) we
+	 * can use multiple transactions, every time btrfs_end_transaction() is
+	 * called at btrfs_rebuild_free_space_tree() we finish the creation of
+	 * new block groups by calling btrfs_create_pending_block_groups(), and
+	 * that in turn calls us, through add_block_group_free_space(), to add
+	 * a free space info item and a free space extent item for the block
+	 * group.
+	 *
+	 * Then later btrfs_rebuild_free_space_tree() may find such new block
+	 * groups and processes them with populate_free_space_tree(), which can
+	 * fail with EEXIST since there are already items for the block group in
+	 * the free space tree. Notice that we say "may find" because a new
+	 * block group may be added to the block groups rbtree in a node before
+	 * or after the block group currently being processed by the rebuild
+	 * process. So signal the rebuild process to skip such new block groups
+	 * if it finds them.
+	 */
+	set_bit(BLOCK_GROUP_FLAG_FREE_SPACE_ADDED, &block_group->runtime_flags);
+
 	ret = add_new_free_space_info(trans, block_group, path);
 	if (ret)
 		return ret;
diff --git linux-libre-6.15.5-gnu/fs/btrfs/inode.c linux-libre-6.15.6-gnu/fs/btrfs/inode.c
index 391172b443e5..f18f4d59d389 100644
--- linux-libre-6.15.5-gnu/fs/btrfs/inode.c
+++ linux-libre-6.15.6-gnu/fs/btrfs/inode.c
@@ -4724,7 +4724,6 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
 	struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
 	int ret = 0;
 	struct btrfs_trans_handle *trans;
-	u64 last_unlink_trans;
 	struct fscrypt_name fname;
 
 	if (inode->i_size > BTRFS_EMPTY_DIR_SIZE)
@@ -4750,6 +4749,23 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
 		goto out_notrans;
 	}
 
+	/*
+	 * Propagate the last_unlink_trans value of the deleted dir to its
+	 * parent directory. This is to prevent an unrecoverable log tree in the
+	 * case we do something like this:
+	 * 1) create dir foo
+	 * 2) create snapshot under dir foo
+	 * 3) delete the snapshot
+	 * 4) rmdir foo
+	 * 5) mkdir foo
+	 * 6) fsync foo or some file inside foo
+	 *
+	 * This is because we can't unlink other roots when replaying the dir
+	 * deletes for directory foo.
+	 */
+	if (BTRFS_I(inode)->last_unlink_trans >= trans->transid)
+		btrfs_record_snapshot_destroy(trans, BTRFS_I(dir));
+
 	if (unlikely(btrfs_ino(BTRFS_I(inode)) == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)) {
 		ret = btrfs_unlink_subvol(trans, BTRFS_I(dir), dentry);
 		goto out;
@@ -4759,27 +4775,11 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
 	if (ret)
 		goto out;
 
-	last_unlink_trans = BTRFS_I(inode)->last_unlink_trans;
-
 	/* now the directory is empty */
 	ret = btrfs_unlink_inode(trans, BTRFS_I(dir), BTRFS_I(d_inode(dentry)),
 				 &fname.disk_name);
-	if (!ret) {
+	if (!ret)
 		btrfs_i_size_write(BTRFS_I(inode), 0);
-		/*
-		 * Propagate the last_unlink_trans value of the deleted dir to
-		 * its parent directory. This is to prevent an unrecoverable
-		 * log tree in the case we do something like this:
-		 * 1) create dir foo
-		 * 2) create snapshot under dir foo
-		 * 3) delete the snapshot
-		 * 4) rmdir foo
-		 * 5) mkdir foo
-		 * 6) fsync foo or some file inside foo
-		 */
-		if (last_unlink_trans >= trans->transid)
-			BTRFS_I(dir)->last_unlink_trans = last_unlink_trans;
-	}
 out:
 	btrfs_end_transaction(trans);
 out_notrans:
diff --git linux-libre-6.15.5-gnu/fs/btrfs/ioctl.c linux-libre-6.15.6-gnu/fs/btrfs/ioctl.c
index 63aeacc54945..b70ef4455610 100644
--- linux-libre-6.15.5-gnu/fs/btrfs/ioctl.c
+++ linux-libre-6.15.6-gnu/fs/btrfs/ioctl.c
@@ -666,14 +666,14 @@ static noinline int create_subvol(struct mnt_idmap *idmap,
 		goto out;
 	}
 
+	btrfs_record_new_subvolume(trans, BTRFS_I(dir));
+
 	ret = btrfs_create_new_inode(trans, &new_inode_args);
 	if (ret) {
 		btrfs_abort_transaction(trans, ret);
 		goto out;
 	}
 
-	btrfs_record_new_subvolume(trans, BTRFS_I(dir));
-
 	d_instantiate_new(dentry, new_inode_args.inode);
 	new_inode_args.inode = NULL;
 
diff --git linux-libre-6.15.5-gnu/fs/btrfs/tree-log.c linux-libre-6.15.6-gnu/fs/btrfs/tree-log.c
index ef9660eabf0c..e05140ce95be 100644
--- linux-libre-6.15.5-gnu/fs/btrfs/tree-log.c
+++ linux-libre-6.15.6-gnu/fs/btrfs/tree-log.c
@@ -143,6 +143,9 @@ static struct btrfs_inode *btrfs_iget_logging(u64 objectid, struct btrfs_root *r
 	unsigned int nofs_flag;
 	struct btrfs_inode *inode;
 
+	/* Only meant to be called for subvolume roots and not for log roots. */
+	ASSERT(is_fstree(btrfs_root_id(root)));
+
 	/*
 	 * We're holding a transaction handle whether we are logging or
 	 * replaying a log tree, so we must make sure NOFS semantics apply
@@ -604,21 +607,6 @@ static int read_alloc_one_name(struct extent_buffer *eb, void *start, int len,
 	return 0;
 }
 
-/*
- * simple helper to read an inode off the disk from a given root
- * This can only be called for subvolume roots and not for the log
- */
-static noinline struct btrfs_inode *read_one_inode(struct btrfs_root *root,
-						   u64 objectid)
-{
-	struct btrfs_inode *inode;
-
-	inode = btrfs_iget_logging(objectid, root);
-	if (IS_ERR(inode))
-		return NULL;
-	return inode;
-}
-
 /* replays a single extent in 'eb' at 'slot' with 'key' into the
  * subvolume 'root'.  path is released on entry and should be released
  * on exit.
@@ -671,9 +659,9 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
 		return 0;
 	}
 
-	inode = read_one_inode(root, key->objectid);
-	if (!inode)
-		return -EIO;
+	inode = btrfs_iget_logging(key->objectid, root);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
 
 	/*
 	 * first check to see if we already have this extent in the
@@ -945,9 +933,10 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans,
 
 	btrfs_release_path(path);
 
-	inode = read_one_inode(root, location.objectid);
-	if (!inode) {
-		ret = -EIO;
+	inode = btrfs_iget_logging(location.objectid, root);
+	if (IS_ERR(inode)) {
+		ret = PTR_ERR(inode);
+		inode = NULL;
 		goto out;
 	}
 
@@ -1070,7 +1059,9 @@ again:
 	search_key.type = BTRFS_INODE_REF_KEY;
 	search_key.offset = parent_objectid;
 	ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);
-	if (ret == 0) {
+	if (ret < 0) {
+		return ret;
+	} else if (ret == 0) {
 		struct btrfs_inode_ref *victim_ref;
 		unsigned long ptr;
 		unsigned long ptr_end;
@@ -1143,13 +1134,13 @@ again:
 			struct fscrypt_str victim_name;
 
 			extref = (struct btrfs_inode_extref *)(base + cur_offset);
+			victim_name.len = btrfs_inode_extref_name_len(leaf, extref);
 
 			if (btrfs_inode_extref_parent(leaf, extref) != parent_objectid)
 				goto next;
 
 			ret = read_alloc_one_name(leaf, &extref->name,
-				 btrfs_inode_extref_name_len(leaf, extref),
-				 &victim_name);
+						  victim_name.len, &victim_name);
 			if (ret)
 				return ret;
 
@@ -1164,10 +1155,10 @@ again:
 				kfree(victim_name.name);
 				return ret;
 			} else if (!ret) {
-				ret = -ENOENT;
-				victim_parent = read_one_inode(root,
-						parent_objectid);
-				if (victim_parent) {
+				victim_parent = btrfs_iget_logging(parent_objectid, root);
+				if (IS_ERR(victim_parent)) {
+					ret = PTR_ERR(victim_parent);
+				} else {
 					inc_nlink(&inode->vfs_inode);
 					btrfs_release_path(path);
 
@@ -1312,9 +1303,9 @@ again:
 			struct btrfs_inode *dir;
 
 			btrfs_release_path(path);
-			dir = read_one_inode(root, parent_id);
-			if (!dir) {
-				ret = -ENOENT;
+			dir = btrfs_iget_logging(parent_id, root);
+			if (IS_ERR(dir)) {
+				ret = PTR_ERR(dir);
 				kfree(name.name);
 				goto out;
 			}
@@ -1386,15 +1377,17 @@ static noinline int add_inode_ref(struct btrfs_trans_handle *trans,
 	 * copy the back ref in.  The link count fixup code will take
 	 * care of the rest
 	 */
-	dir = read_one_inode(root, parent_objectid);
-	if (!dir) {
-		ret = -ENOENT;
+	dir = btrfs_iget_logging(parent_objectid, root);
+	if (IS_ERR(dir)) {
+		ret = PTR_ERR(dir);
+		dir = NULL;
 		goto out;
 	}
 
-	inode = read_one_inode(root, inode_objectid);
-	if (!inode) {
-		ret = -EIO;
+	inode = btrfs_iget_logging(inode_objectid, root);
+	if (IS_ERR(inode)) {
+		ret = PTR_ERR(inode);
+		inode = NULL;
 		goto out;
 	}
 
@@ -1406,11 +1399,13 @@ static noinline int add_inode_ref(struct btrfs_trans_handle *trans,
 			 * parent object can change from one array
 			 * item to another.
 			 */
-			if (!dir)
-				dir = read_one_inode(root, parent_objectid);
 			if (!dir) {
-				ret = -ENOENT;
-				goto out;
+				dir = btrfs_iget_logging(parent_objectid, root);
+				if (IS_ERR(dir)) {
+					ret = PTR_ERR(dir);
+					dir = NULL;
+					goto out;
+				}
 			}
 		} else {
 			ret = ref_get_fields(eb, ref_ptr, &name, &ref_index);
@@ -1679,9 +1674,9 @@ static noinline int fixup_inode_link_counts(struct btrfs_trans_handle *trans,
 			break;
 
 		btrfs_release_path(path);
-		inode = read_one_inode(root, key.offset);
-		if (!inode) {
-			ret = -EIO;
+		inode = btrfs_iget_logging(key.offset, root);
+		if (IS_ERR(inode)) {
+			ret = PTR_ERR(inode);
 			break;
 		}
 
@@ -1717,9 +1712,9 @@ static noinline int link_to_fixup_dir(struct btrfs_trans_handle *trans,
 	struct btrfs_inode *inode;
 	struct inode *vfs_inode;
 
-	inode = read_one_inode(root, objectid);
-	if (!inode)
-		return -EIO;
+	inode = btrfs_iget_logging(objectid, root);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
 
 	vfs_inode = &inode->vfs_inode;
 	key.objectid = BTRFS_TREE_LOG_FIXUP_OBJECTID;
@@ -1758,14 +1753,14 @@ static noinline int insert_one_name(struct btrfs_trans_handle *trans,
 	struct btrfs_inode *dir;
 	int ret;
 
-	inode = read_one_inode(root, location->objectid);
-	if (!inode)
-		return -ENOENT;
+	inode = btrfs_iget_logging(location->objectid, root);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
 
-	dir = read_one_inode(root, dirid);
-	if (!dir) {
+	dir = btrfs_iget_logging(dirid, root);
+	if (IS_ERR(dir)) {
 		iput(&inode->vfs_inode);
-		return -EIO;
+		return PTR_ERR(dir);
 	}
 
 	ret = btrfs_add_link(trans, dir, inode, name, 1, index);
@@ -1842,9 +1837,9 @@ static noinline int replay_one_name(struct btrfs_trans_handle *trans,
 	bool update_size = true;
 	bool name_added = false;
 
-	dir = read_one_inode(root, key->objectid);
-	if (!dir)
-		return -EIO;
+	dir = btrfs_iget_logging(key->objectid, root);
+	if (IS_ERR(dir))
+		return PTR_ERR(dir);
 
 	ret = read_alloc_one_name(eb, di + 1, btrfs_dir_name_len(eb, di), &name);
 	if (ret)
@@ -2144,9 +2139,10 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans,
 	btrfs_dir_item_key_to_cpu(eb, di, &location);
 	btrfs_release_path(path);
 	btrfs_release_path(log_path);
-	inode = read_one_inode(root, location.objectid);
-	if (!inode) {
-		ret = -EIO;
+	inode = btrfs_iget_logging(location.objectid, root);
+	if (IS_ERR(inode)) {
+		ret = PTR_ERR(inode);
+		inode = NULL;
 		goto out;
 	}
 
@@ -2298,14 +2294,17 @@ static noinline int replay_dir_deletes(struct btrfs_trans_handle *trans,
 	if (!log_path)
 		return -ENOMEM;
 
-	dir = read_one_inode(root, dirid);
-	/* it isn't an error if the inode isn't there, that can happen
-	 * because we replay the deletes before we copy in the inode item
-	 * from the log
+	dir = btrfs_iget_logging(dirid, root);
+	/*
+	 * It isn't an error if the inode isn't there, that can happen because
+	 * we replay the deletes before we copy in the inode item from the log.
 	 */
-	if (!dir) {
+	if (IS_ERR(dir)) {
 		btrfs_free_path(log_path);
-		return 0;
+		ret = PTR_ERR(dir);
+		if (ret == -ENOENT)
+			ret = 0;
+		return ret;
 	}
 
 	range_start = 0;
@@ -2464,9 +2463,9 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb,
 				struct btrfs_inode *inode;
 				u64 from;
 
-				inode = read_one_inode(root, key.objectid);
-				if (!inode) {
-					ret = -EIO;
+				inode = btrfs_iget_logging(key.objectid, root);
+				if (IS_ERR(inode)) {
+					ret = PTR_ERR(inode);
 					break;
 				}
 				from = ALIGN(i_size_read(&inode->vfs_inode),
@@ -7445,6 +7444,8 @@ void btrfs_record_snapshot_destroy(struct btrfs_trans_handle *trans,
  * full log sync.
  * Also we don't need to worry with renames, since btrfs_rename() marks the log
  * for full commit when renaming a subvolume.
+ *
+ * Must be called before creating the subvolume entry in its parent directory.
  */
 void btrfs_record_new_subvolume(const struct btrfs_trans_handle *trans,
 				struct btrfs_inode *dir)
diff --git linux-libre-6.15.5-gnu/fs/exec.c linux-libre-6.15.6-gnu/fs/exec.c
index 8e4ea5f1e64c..a18d5875c8d9 100644
--- linux-libre-6.15.5-gnu/fs/exec.c
+++ linux-libre-6.15.6-gnu/fs/exec.c
@@ -111,6 +111,9 @@ static inline void put_binfmt(struct linux_binfmt * fmt)
 
 bool path_noexec(const struct path *path)
 {
+	/* If it's an anonymous inode make sure that we catch any shenanigans. */
+	VFS_WARN_ON_ONCE(IS_ANON_FILE(d_inode(path->dentry)) &&
+			 !(path->mnt->mnt_sb->s_iflags & SB_I_NOEXEC));
 	return (path->mnt->mnt_flags & MNT_NOEXEC) ||
 	       (path->mnt->mnt_sb->s_iflags & SB_I_NOEXEC);
 }
@@ -894,13 +897,15 @@ static struct file *do_open_execat(int fd, struct filename *name, int flags)
 	if (IS_ERR(file))
 		return file;
 
+	if (path_noexec(&file->f_path))
+		return ERR_PTR(-EACCES);
+
 	/*
 	 * In the past the regular type check was here. It moved to may_open() in
 	 * 633fb6ac3980 ("exec: move S_ISREG() check earlier"). Since then it is
 	 * an invariant that all non-regular files error out before we get here.
 	 */
-	if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode)) ||
-	    path_noexec(&file->f_path))
+	if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode)))
 		return ERR_PTR(-EACCES);
 
 	err = exe_file_deny_write_access(file);
diff --git linux-libre-6.15.5-gnu/fs/libfs.c linux-libre-6.15.6-gnu/fs/libfs.c
index e28da9574a65..14e0e9b18c8e 100644
--- linux-libre-6.15.5-gnu/fs/libfs.c
+++ linux-libre-6.15.6-gnu/fs/libfs.c
@@ -1648,12 +1648,10 @@ struct inode *alloc_anon_inode(struct super_block *s)
 	 */
 	inode->i_state = I_DIRTY;
 	/*
-	 * Historically anonymous inodes didn't have a type at all and
-	 * userspace has come to rely on this. Internally they're just
-	 * regular files but S_IFREG is masked off when reporting
-	 * information to userspace.
+	 * Historically anonymous inodes don't have a type at all and
+	 * userspace has come to rely on this.
 	 */
-	inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
+	inode->i_mode = S_IRUSR | S_IWUSR;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
 	inode->i_flags |= S_PRIVATE | S_ANON_INODE;
diff --git linux-libre-6.15.5-gnu/fs/namei.c linux-libre-6.15.6-gnu/fs/namei.c
index 84a0e0b0111c..8e165c99feee 100644
--- linux-libre-6.15.5-gnu/fs/namei.c
+++ linux-libre-6.15.6-gnu/fs/namei.c
@@ -3464,7 +3464,7 @@ static int may_open(struct mnt_idmap *idmap, const struct path *path,
 			return -EACCES;
 		break;
 	default:
-		VFS_BUG_ON_INODE(1, inode);
+		VFS_BUG_ON_INODE(!IS_ANON_FILE(inode), inode);
 	}
 
 	error = inode_permission(idmap, inode, MAY_OPEN | acc_mode);
diff --git linux-libre-6.15.5-gnu/fs/netfs/buffered_write.c linux-libre-6.15.6-gnu/fs/netfs/buffered_write.c
index dbb544e183d1..9f22ff890a8c 100644
--- linux-libre-6.15.5-gnu/fs/netfs/buffered_write.c
+++ linux-libre-6.15.6-gnu/fs/netfs/buffered_write.c
@@ -64,6 +64,7 @@ static void netfs_update_i_size(struct netfs_inode *ctx, struct inode *inode,
 		return;
 	}
 
+	spin_lock(&inode->i_lock);
 	i_size_write(inode, pos);
 #if IS_ENABLED(CONFIG_FSCACHE)
 	fscache_update_cookie(ctx->cache, NULL, &pos);
@@ -77,6 +78,7 @@ static void netfs_update_i_size(struct netfs_inode *ctx, struct inode *inode,
 					DIV_ROUND_UP(pos, SECTOR_SIZE),
 					inode->i_blocks + add);
 	}
+	spin_unlock(&inode->i_lock);
 }
 
 /**
diff --git linux-libre-6.15.5-gnu/fs/netfs/direct_write.c linux-libre-6.15.6-gnu/fs/netfs/direct_write.c
index fa9a5bf3c6d5..3efa5894b2c0 100644
--- linux-libre-6.15.5-gnu/fs/netfs/direct_write.c
+++ linux-libre-6.15.6-gnu/fs/netfs/direct_write.c
@@ -14,13 +14,17 @@ static void netfs_cleanup_dio_write(struct netfs_io_request *wreq)
 	struct inode *inode = wreq->inode;
 	unsigned long long end = wreq->start + wreq->transferred;
 
-	if (!wreq->error &&
-	    i_size_read(inode) < end) {
+	if (wreq->error || end <= i_size_read(inode))
+		return;
+
+	spin_lock(&inode->i_lock);
+	if (end > i_size_read(inode)) {
 		if (wreq->netfs_ops->update_i_size)
 			wreq->netfs_ops->update_i_size(inode, end);
 		else
 			i_size_write(inode, end);
 	}
+	spin_unlock(&inode->i_lock);
 }
 
 /*
diff --git linux-libre-6.15.5-gnu/fs/netfs/misc.c linux-libre-6.15.6-gnu/fs/netfs/misc.c
index 43b67a28a8fa..8b1c11ef32aa 100644
--- linux-libre-6.15.5-gnu/fs/netfs/misc.c
+++ linux-libre-6.15.6-gnu/fs/netfs/misc.c
@@ -381,7 +381,12 @@ void netfs_wait_for_in_progress_stream(struct netfs_io_request *rreq,
 static int netfs_collect_in_app(struct netfs_io_request *rreq,
 				bool (*collector)(struct netfs_io_request *rreq))
 {
-	bool need_collect = false, inactive = true;
+	bool need_collect = false, inactive = true, done = true;
+
+	if (!test_bit(NETFS_RREQ_IN_PROGRESS, &rreq->flags)) {
+		trace_netfs_rreq(rreq, netfs_rreq_trace_recollect);
+		return 1; /* Done */
+	}
 
 	for (int i = 0; i < NR_IO_STREAMS; i++) {
 		struct netfs_io_subrequest *subreq;
@@ -400,9 +405,11 @@ static int netfs_collect_in_app(struct netfs_io_request *rreq,
 			need_collect = true;
 			break;
 		}
+		if (subreq || !test_bit(NETFS_RREQ_ALL_QUEUED, &rreq->flags))
+			done = false;
 	}
 
-	if (!need_collect && !inactive)
+	if (!need_collect && !inactive && !done)
 		return 0; /* Sleep */
 
 	__set_current_state(TASK_RUNNING);
@@ -423,8 +430,8 @@ static int netfs_collect_in_app(struct netfs_io_request *rreq,
 /*
  * Wait for a request to complete, successfully or otherwise.
  */
-static ssize_t netfs_wait_for_request(struct netfs_io_request *rreq,
-				      bool (*collector)(struct netfs_io_request *rreq))
+static ssize_t netfs_wait_for_in_progress(struct netfs_io_request *rreq,
+					  bool (*collector)(struct netfs_io_request *rreq))
 {
 	DEFINE_WAIT(myself);
 	ssize_t ret;
@@ -440,6 +447,9 @@ static ssize_t netfs_wait_for_request(struct netfs_io_request *rreq,
 			case 1:
 				goto all_collected;
 			case 2:
+				if (!test_bit(NETFS_RREQ_IN_PROGRESS, &rreq->flags))
+					break;
+				cond_resched();
 				continue;
 			}
 		}
@@ -478,12 +488,12 @@ all_collected:
 
 ssize_t netfs_wait_for_read(struct netfs_io_request *rreq)
 {
-	return netfs_wait_for_request(rreq, netfs_read_collection);
+	return netfs_wait_for_in_progress(rreq, netfs_read_collection);
 }
 
 ssize_t netfs_wait_for_write(struct netfs_io_request *rreq)
 {
-	return netfs_wait_for_request(rreq, netfs_write_collection);
+	return netfs_wait_for_in_progress(rreq, netfs_write_collection);
 }
 
 /*
@@ -507,6 +517,10 @@ static void netfs_wait_for_pause(struct netfs_io_request *rreq,
 			case 1:
 				goto all_collected;
 			case 2:
+				if (!test_bit(NETFS_RREQ_IN_PROGRESS, &rreq->flags) ||
+				    !test_bit(NETFS_RREQ_PAUSE, &rreq->flags))
+					break;
+				cond_resched();
 				continue;
 			}
 		}
diff --git linux-libre-6.15.5-gnu/fs/netfs/write_retry.c linux-libre-6.15.6-gnu/fs/netfs/write_retry.c
index 9d1d8a8bab72..7158657061e9 100644
--- linux-libre-6.15.5-gnu/fs/netfs/write_retry.c
+++ linux-libre-6.15.6-gnu/fs/netfs/write_retry.c
@@ -153,7 +153,7 @@ static void netfs_retry_write_stream(struct netfs_io_request *wreq,
 			trace_netfs_sreq_ref(wreq->debug_id, subreq->debug_index,
 					     refcount_read(&subreq->ref),
 					     netfs_sreq_trace_new);
-			netfs_get_subrequest(subreq, netfs_sreq_trace_get_resubmit);
+			trace_netfs_sreq(subreq, netfs_sreq_trace_split);
 
 			list_add(&subreq->rreq_link, &to->rreq_link);
 			to = list_next_entry(to, rreq_link);
diff --git linux-libre-6.15.5-gnu/fs/nfs/flexfilelayout/flexfilelayout.c linux-libre-6.15.6-gnu/fs/nfs/flexfilelayout/flexfilelayout.c
index e6909cafab68..4bea008dbebd 100644
--- linux-libre-6.15.5-gnu/fs/nfs/flexfilelayout/flexfilelayout.c
+++ linux-libre-6.15.6-gnu/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1105,6 +1105,7 @@ static void ff_layout_reset_read(struct nfs_pgio_header *hdr)
 }
 
 static int ff_layout_async_handle_error_v4(struct rpc_task *task,
+					   u32 op_status,
 					   struct nfs4_state *state,
 					   struct nfs_client *clp,
 					   struct pnfs_layout_segment *lseg,
@@ -1115,32 +1116,42 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
 	struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table;
 
-	switch (task->tk_status) {
-	case -NFS4ERR_BADSESSION:
-	case -NFS4ERR_BADSLOT:
-	case -NFS4ERR_BAD_HIGH_SLOT:
-	case -NFS4ERR_DEADSESSION:
-	case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
-	case -NFS4ERR_SEQ_FALSE_RETRY:
-	case -NFS4ERR_SEQ_MISORDERED:
+	switch (op_status) {
+	case NFS4_OK:
+	case NFS4ERR_NXIO:
+		break;
+	case NFSERR_PERM:
+		if (!task->tk_xprt)
+			break;
+		xprt_force_disconnect(task->tk_xprt);
+		goto out_retry;
+	case NFS4ERR_BADSESSION:
+	case NFS4ERR_BADSLOT:
+	case NFS4ERR_BAD_HIGH_SLOT:
+	case NFS4ERR_DEADSESSION:
+	case NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
+	case NFS4ERR_SEQ_FALSE_RETRY:
+	case NFS4ERR_SEQ_MISORDERED:
 		dprintk("%s ERROR %d, Reset session. Exchangeid "
 			"flags 0x%x\n", __func__, task->tk_status,
 			clp->cl_exchange_flags);
 		nfs4_schedule_session_recovery(clp->cl_session, task->tk_status);
-		break;
-	case -NFS4ERR_DELAY:
-	case -NFS4ERR_GRACE:
+		goto out_retry;
+	case NFS4ERR_DELAY:
+		nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+		fallthrough;
+	case NFS4ERR_GRACE:
 		rpc_delay(task, FF_LAYOUT_POLL_RETRY_MAX);
-		break;
-	case -NFS4ERR_RETRY_UNCACHED_REP:
-		break;
+		goto out_retry;
+	case NFS4ERR_RETRY_UNCACHED_REP:
+		goto out_retry;
 	/* Invalidate Layout errors */
-	case -NFS4ERR_PNFS_NO_LAYOUT:
-	case -ESTALE:           /* mapped NFS4ERR_STALE */
-	case -EBADHANDLE:       /* mapped NFS4ERR_BADHANDLE */
-	case -EISDIR:           /* mapped NFS4ERR_ISDIR */
-	case -NFS4ERR_FHEXPIRED:
-	case -NFS4ERR_WRONG_TYPE:
+	case NFS4ERR_PNFS_NO_LAYOUT:
+	case NFS4ERR_STALE:
+	case NFS4ERR_BADHANDLE:
+	case NFS4ERR_ISDIR:
+	case NFS4ERR_FHEXPIRED:
+	case NFS4ERR_WRONG_TYPE:
 		dprintk("%s Invalid layout error %d\n", __func__,
 			task->tk_status);
 		/*
@@ -1153,6 +1164,11 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
 		pnfs_destroy_layout(NFS_I(inode));
 		rpc_wake_up(&tbl->slot_tbl_waitq);
 		goto reset;
+	default:
+		break;
+	}
+
+	switch (task->tk_status) {
 	/* RPC connection errors */
 	case -ENETDOWN:
 	case -ENETUNREACH:
@@ -1172,27 +1188,56 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
 		nfs4_delete_deviceid(devid->ld, devid->nfs_client,
 				&devid->deviceid);
 		rpc_wake_up(&tbl->slot_tbl_waitq);
-		fallthrough;
+		break;
 	default:
-		if (ff_layout_avoid_mds_available_ds(lseg))
-			return -NFS4ERR_RESET_TO_PNFS;
-reset:
-		dprintk("%s Retry through MDS. Error %d\n", __func__,
-			task->tk_status);
-		return -NFS4ERR_RESET_TO_MDS;
+		break;
 	}
+
+	if (ff_layout_avoid_mds_available_ds(lseg))
+		return -NFS4ERR_RESET_TO_PNFS;
+reset:
+	dprintk("%s Retry through MDS. Error %d\n", __func__,
+		task->tk_status);
+	return -NFS4ERR_RESET_TO_MDS;
+
+out_retry:
 	task->tk_status = 0;
 	return -EAGAIN;
 }
 
 /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
 static int ff_layout_async_handle_error_v3(struct rpc_task *task,
+					   u32 op_status,
 					   struct nfs_client *clp,
 					   struct pnfs_layout_segment *lseg,
 					   u32 idx)
 {
 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
 
+	switch (op_status) {
+	case NFS_OK:
+	case NFSERR_NXIO:
+		break;
+	case NFSERR_PERM:
+		if (!task->tk_xprt)
+			break;
+		xprt_force_disconnect(task->tk_xprt);
+		goto out_retry;
+	case NFSERR_ACCES:
+	case NFSERR_BADHANDLE:
+	case NFSERR_FBIG:
+	case NFSERR_IO:
+	case NFSERR_NOSPC:
+	case NFSERR_ROFS:
+	case NFSERR_STALE:
+		goto out_reset_to_pnfs;
+	case NFSERR_JUKEBOX:
+		nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+		goto out_retry;
+	default:
+		break;
+	}
+
 	switch (task->tk_status) {
 	/* File access problems. Don't mark the device as unavailable */
 	case -EACCES:
@@ -1216,6 +1261,7 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
 		nfs4_delete_deviceid(devid->ld, devid->nfs_client,
 				&devid->deviceid);
 	}
+out_reset_to_pnfs:
 	/* FIXME: Need to prevent infinite looping here. */
 	return -NFS4ERR_RESET_TO_PNFS;
 out_retry:
@@ -1226,6 +1272,7 @@ out_retry:
 }
 
 static int ff_layout_async_handle_error(struct rpc_task *task,
+					u32 op_status,
 					struct nfs4_state *state,
 					struct nfs_client *clp,
 					struct pnfs_layout_segment *lseg,
@@ -1244,10 +1291,11 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
 
 	switch (vers) {
 	case 3:
-		return ff_layout_async_handle_error_v3(task, clp, lseg, idx);
-	case 4:
-		return ff_layout_async_handle_error_v4(task, state, clp,
+		return ff_layout_async_handle_error_v3(task, op_status, clp,
 						       lseg, idx);
+	case 4:
+		return ff_layout_async_handle_error_v4(task, op_status, state,
+						       clp, lseg, idx);
 	default:
 		/* should never happen */
 		WARN_ON_ONCE(1);
@@ -1300,6 +1348,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
 	switch (status) {
 	case NFS4ERR_DELAY:
 	case NFS4ERR_GRACE:
+	case NFS4ERR_PERM:
 		break;
 	case NFS4ERR_NXIO:
 		ff_layout_mark_ds_unreachable(lseg, idx);
@@ -1332,7 +1381,8 @@ static int ff_layout_read_done_cb(struct rpc_task *task,
 		trace_ff_layout_read_error(hdr, task->tk_status);
 	}
 
-	err = ff_layout_async_handle_error(task, hdr->args.context->state,
+	err = ff_layout_async_handle_error(task, hdr->res.op_status,
+					   hdr->args.context->state,
 					   hdr->ds_clp, hdr->lseg,
 					   hdr->pgio_mirror_idx);
 
@@ -1505,7 +1555,8 @@ static int ff_layout_write_done_cb(struct rpc_task *task,
 		trace_ff_layout_write_error(hdr, task->tk_status);
 	}
 
-	err = ff_layout_async_handle_error(task, hdr->args.context->state,
+	err = ff_layout_async_handle_error(task, hdr->res.op_status,
+					   hdr->args.context->state,
 					   hdr->ds_clp, hdr->lseg,
 					   hdr->pgio_mirror_idx);
 
@@ -1554,8 +1605,9 @@ static int ff_layout_commit_done_cb(struct rpc_task *task,
 		trace_ff_layout_commit_error(data, task->tk_status);
 	}
 
-	err = ff_layout_async_handle_error(task, NULL, data->ds_clp,
-					   data->lseg, data->ds_commit_index);
+	err = ff_layout_async_handle_error(task, data->res.op_status,
+					   NULL, data->ds_clp, data->lseg,
+					   data->ds_commit_index);
 
 	trace_nfs4_pnfs_commit_ds(data, err);
 	switch (err) {
diff --git linux-libre-6.15.5-gnu/fs/nfs/inode.c linux-libre-6.15.6-gnu/fs/nfs/inode.c
index 8ab7868807a7..a2fa6bc4d74e 100644
--- linux-libre-6.15.5-gnu/fs/nfs/inode.c
+++ linux-libre-6.15.6-gnu/fs/nfs/inode.c
@@ -2589,15 +2589,26 @@ EXPORT_SYMBOL_GPL(nfs_net_id);
 static int nfs_net_init(struct net *net)
 {
 	struct nfs_net *nn = net_generic(net, nfs_net_id);
+	int err;
 
 	nfs_clients_init(net);
 
 	if (!rpc_proc_register(net, &nn->rpcstats)) {
-		nfs_clients_exit(net);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto err_proc_rpc;
 	}
 
-	return nfs_fs_proc_net_init(net);
+	err = nfs_fs_proc_net_init(net);
+	if (err)
+		goto err_proc_nfs;
+
+	return 0;
+
+err_proc_nfs:
+	rpc_proc_unregister(net, "nfs");
+err_proc_rpc:
+	nfs_clients_exit(net);
+	return err;
 }
 
 static void nfs_net_exit(struct net *net)
diff --git linux-libre-6.15.5-gnu/fs/nfs/pnfs.c linux-libre-6.15.6-gnu/fs/nfs/pnfs.c
index 3adb7d0dbec7..1a7ec68bde15 100644
--- linux-libre-6.15.5-gnu/fs/nfs/pnfs.c
+++ linux-libre-6.15.6-gnu/fs/nfs/pnfs.c
@@ -2059,8 +2059,10 @@ static void nfs_layoutget_begin(struct pnfs_layout_hdr *lo)
 static void nfs_layoutget_end(struct pnfs_layout_hdr *lo)
 {
 	if (atomic_dec_and_test(&lo->plh_outstanding) &&
-	    test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags))
+	    test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags)) {
+		smp_mb__after_atomic();
 		wake_up_bit(&lo->plh_flags, NFS_LAYOUT_DRAIN);
+	}
 }
 
 static bool pnfs_is_first_layoutget(struct pnfs_layout_hdr *lo)
diff --git linux-libre-6.15.5-gnu/fs/smb/client/cifsglob.h linux-libre-6.15.6-gnu/fs/smb/client/cifsglob.h
index 56381cbb6399..eed29f043114 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/cifsglob.h
+++ linux-libre-6.15.6-gnu/fs/smb/client/cifsglob.h
@@ -777,6 +777,7 @@ struct TCP_Server_Info {
 	__le32 session_key_id; /* retrieved from negotiate response and send in session setup request */
 	struct session_key session_key;
 	unsigned long lstrp; /* when we got last response from this server */
+	unsigned long neg_start; /* when negotiate started (jiffies) */
 	struct cifs_secmech secmech; /* crypto sec mech functs, descriptors */
 #define	CIFS_NEGFLAVOR_UNENCAP	1	/* wct == 17, but no ext_sec */
 #define	CIFS_NEGFLAVOR_EXTENDED	2	/* wct == 17, ext_sec bit set */
@@ -1303,6 +1304,7 @@ struct cifs_tcon {
 	bool use_persistent:1; /* use persistent instead of durable handles */
 	bool no_lease:1;    /* Do not request leases on files or directories */
 	bool use_witness:1; /* use witness protocol */
+	bool dummy:1; /* dummy tcon used for reconnecting channels */
 	__le32 capabilities;
 	__u32 share_flags;
 	__u32 maximal_access;
diff --git linux-libre-6.15.5-gnu/fs/smb/client/cifsproto.h linux-libre-6.15.6-gnu/fs/smb/client/cifsproto.h
index 66093fa78aed..045227ed4efc 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/cifsproto.h
+++ linux-libre-6.15.6-gnu/fs/smb/client/cifsproto.h
@@ -136,6 +136,7 @@ extern int SendReceiveBlockingLock(const unsigned int xid,
 			struct smb_hdr *out_buf,
 			int *bytes_returned);
 
+void smb2_query_server_interfaces(struct work_struct *work);
 void
 cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server,
 				      bool all_channels);
diff --git linux-libre-6.15.5-gnu/fs/smb/client/cifssmb.c linux-libre-6.15.6-gnu/fs/smb/client/cifssmb.c
index 7216fcec79e8..0e509a0433fb 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/cifssmb.c
+++ linux-libre-6.15.6-gnu/fs/smb/client/cifssmb.c
@@ -1335,6 +1335,7 @@ cifs_readv_callback(struct mid_q_entry *mid)
 		break;
 	case MID_REQUEST_SUBMITTED:
 	case MID_RETRY_NEEDED:
+		__set_bit(NETFS_SREQ_NEED_RETRY, &rdata->subreq.flags);
 		rdata->result = -EAGAIN;
 		if (server->sign && rdata->got_bytes)
 			/* reset bytes number since we can not check a sign */
@@ -1714,6 +1715,7 @@ cifs_writev_callback(struct mid_q_entry *mid)
 		break;
 	case MID_REQUEST_SUBMITTED:
 	case MID_RETRY_NEEDED:
+		__set_bit(NETFS_SREQ_NEED_RETRY, &wdata->subreq.flags);
 		result = -EAGAIN;
 		break;
 	default:
diff --git linux-libre-6.15.5-gnu/fs/smb/client/connect.c linux-libre-6.15.6-gnu/fs/smb/client/connect.c
index e92c7b71626f..7ebed5e856dc 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/connect.c
+++ linux-libre-6.15.6-gnu/fs/smb/client/connect.c
@@ -97,7 +97,7 @@ static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server)
 	return rc;
 }
 
-static void smb2_query_server_interfaces(struct work_struct *work)
+void smb2_query_server_interfaces(struct work_struct *work)
 {
 	int rc;
 	int xid;
@@ -679,12 +679,12 @@ server_unresponsive(struct TCP_Server_Info *server)
 	/*
 	 * If we're in the process of mounting a share or reconnecting a session
 	 * and the server abruptly shut down (e.g. socket wasn't closed, packet
-	 * had been ACK'ed but no SMB response), don't wait longer than 20s to
-	 * negotiate protocol.
+	 * had been ACK'ed but no SMB response), don't wait longer than 20s from
+	 * when negotiate actually started.
 	 */
 	spin_lock(&server->srv_lock);
 	if (server->tcpStatus == CifsInNegotiate &&
-	    time_after(jiffies, server->lstrp + 20 * HZ)) {
+	    time_after(jiffies, server->neg_start + 20 * HZ)) {
 		spin_unlock(&server->srv_lock);
 		cifs_reconnect(server, false);
 		return true;
@@ -2880,20 +2880,14 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx)
 	tcon->max_cached_dirs = ctx->max_cached_dirs;
 	tcon->nodelete = ctx->nodelete;
 	tcon->local_lease = ctx->local_lease;
-	INIT_LIST_HEAD(&tcon->pending_opens);
 	tcon->status = TID_GOOD;
 
-	INIT_DELAYED_WORK(&tcon->query_interfaces,
-			  smb2_query_server_interfaces);
 	if (ses->server->dialect >= SMB30_PROT_ID &&
 	    (ses->server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) {
 		/* schedule query interfaces poll */
 		queue_delayed_work(cifsiod_wq, &tcon->query_interfaces,
 				   (SMB_INTERFACE_POLL_INTERVAL * HZ));
 	}
-#ifdef CONFIG_CIFS_DFS_UPCALL
-	INIT_DELAYED_WORK(&tcon->dfs_cache_work, dfs_cache_refresh);
-#endif
 	spin_lock(&cifs_tcp_ses_lock);
 	list_add(&tcon->tcon_list, &ses->tcon_list);
 	spin_unlock(&cifs_tcp_ses_lock);
@@ -4209,6 +4203,7 @@ retry:
 
 	server->lstrp = jiffies;
 	server->tcpStatus = CifsInNegotiate;
+	server->neg_start = jiffies;
 	spin_unlock(&server->srv_lock);
 
 	rc = server->ops->negotiate(xid, ses, server);
diff --git linux-libre-6.15.5-gnu/fs/smb/client/fs_context.c linux-libre-6.15.6-gnu/fs/smb/client/fs_context.c
index a634a34d4086..59ccc2229ab3 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/fs_context.c
+++ linux-libre-6.15.6-gnu/fs/smb/client/fs_context.c
@@ -1824,10 +1824,14 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
 			cifs_errorf(fc, "symlinkroot mount options must be absolute path\n");
 			goto cifs_parse_mount_err;
 		}
-		kfree(ctx->symlinkroot);
-		ctx->symlinkroot = kstrdup(param->string, GFP_KERNEL);
-		if (!ctx->symlinkroot)
+		if (strnlen(param->string, PATH_MAX) == PATH_MAX) {
+			cifs_errorf(fc, "symlinkroot path too long (max path length: %u)\n",
+				    PATH_MAX - 1);
 			goto cifs_parse_mount_err;
+		}
+		kfree(ctx->symlinkroot);
+		ctx->symlinkroot = param->string;
+		param->string = NULL;
 		break;
 	}
 	/* case Opt_ignore: - is ignored as expected ... */
@@ -1837,13 +1841,6 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
 		goto cifs_parse_mount_err;
 	}
 
-	/*
-	 * By default resolve all native absolute symlinks relative to "/mnt/".
-	 * Same default has drvfs driver running in WSL for resolving SMB shares.
-	 */
-	if (!ctx->symlinkroot)
-		ctx->symlinkroot = kstrdup("/mnt/", GFP_KERNEL);
-
 	return 0;
 
  cifs_parse_mount_err:
diff --git linux-libre-6.15.5-gnu/fs/smb/client/misc.c linux-libre-6.15.6-gnu/fs/smb/client/misc.c
index e77017f47084..da23cc12a52c 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/misc.c
+++ linux-libre-6.15.6-gnu/fs/smb/client/misc.c
@@ -151,6 +151,12 @@ tcon_info_alloc(bool dir_leases_enabled, enum smb3_tcon_ref_trace trace)
 #ifdef CONFIG_CIFS_DFS_UPCALL
 	INIT_LIST_HEAD(&ret_buf->dfs_ses_list);
 #endif
+	INIT_LIST_HEAD(&ret_buf->pending_opens);
+	INIT_DELAYED_WORK(&ret_buf->query_interfaces,
+			  smb2_query_server_interfaces);
+#ifdef CONFIG_CIFS_DFS_UPCALL
+	INIT_DELAYED_WORK(&ret_buf->dfs_cache_work, dfs_cache_refresh);
+#endif
 
 	return ret_buf;
 }
diff --git linux-libre-6.15.5-gnu/fs/smb/client/readdir.c linux-libre-6.15.6-gnu/fs/smb/client/readdir.c
index c3feb26fcfd0..7bf3214117a9 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/readdir.c
+++ linux-libre-6.15.6-gnu/fs/smb/client/readdir.c
@@ -263,7 +263,7 @@ cifs_posix_to_fattr(struct cifs_fattr *fattr, struct smb2_posix_info *info,
 	/* The Mode field in the response can now include the file type as well */
 	fattr->cf_mode = wire_mode_to_posix(le32_to_cpu(info->Mode),
 					    fattr->cf_cifsattrs & ATTR_DIRECTORY);
-	fattr->cf_dtype = S_DT(le32_to_cpu(info->Mode));
+	fattr->cf_dtype = S_DT(fattr->cf_mode);
 
 	switch (fattr->cf_mode & S_IFMT) {
 	case S_IFLNK:
diff --git linux-libre-6.15.5-gnu/fs/smb/client/reparse.c linux-libre-6.15.6-gnu/fs/smb/client/reparse.c
index 1c40e42e4d89..5fa29a97ac15 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/reparse.c
+++ linux-libre-6.15.6-gnu/fs/smb/client/reparse.c
@@ -57,6 +57,7 @@ static int create_native_symlink(const unsigned int xid, struct inode *inode,
 	struct reparse_symlink_data_buffer *buf = NULL;
 	struct cifs_open_info_data data = {};
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+	const char *symroot = cifs_sb->ctx->symlinkroot;
 	struct inode *new;
 	struct kvec iov;
 	__le16 *path = NULL;
@@ -82,7 +83,8 @@ static int create_native_symlink(const unsigned int xid, struct inode *inode,
 		.symlink_target = symlink_target,
 	};
 
-	if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) && symname[0] == '/') {
+	if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) &&
+	    symroot && symname[0] == '/') {
 		/*
 		 * This is a request to create an absolute symlink on the server
 		 * which does not support POSIX paths, and expects symlink in
@@ -92,7 +94,7 @@ static int create_native_symlink(const unsigned int xid, struct inode *inode,
 		 * ensure compatibility of this symlink stored in absolute form
 		 * on the SMB server.
 		 */
-		if (!strstarts(symname, cifs_sb->ctx->symlinkroot)) {
+		if (!strstarts(symname, symroot)) {
 			/*
 			 * If the absolute Linux symlink target path is not
 			 * inside "symlinkroot" location then there is no way
@@ -101,12 +103,12 @@ static int create_native_symlink(const unsigned int xid, struct inode *inode,
 			cifs_dbg(VFS,
 				 "absolute symlink '%s' cannot be converted to NT format "
 				 "because it is outside of symlinkroot='%s'\n",
-				 symname, cifs_sb->ctx->symlinkroot);
+				 symname, symroot);
 			rc = -EINVAL;
 			goto out;
 		}
-		len = strlen(cifs_sb->ctx->symlinkroot);
-		if (cifs_sb->ctx->symlinkroot[len-1] != '/')
+		len = strlen(symroot);
+		if (symroot[len - 1] != '/')
 			len++;
 		if (symname[len] >= 'a' && symname[len] <= 'z' &&
 		    (symname[len+1] == '/' || symname[len+1] == '\0')) {
@@ -782,6 +784,7 @@ int smb2_parse_native_symlink(char **target, const char *buf, unsigned int len,
 			      const char *full_path,
 			      struct cifs_sb_info *cifs_sb)
 {
+	const char *symroot = cifs_sb->ctx->symlinkroot;
 	char sep = CIFS_DIR_SEP(cifs_sb);
 	char *linux_target = NULL;
 	char *smb_target = NULL;
@@ -815,7 +818,8 @@ int smb2_parse_native_symlink(char **target, const char *buf, unsigned int len,
 		goto out;
 	}
 
-	if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) && !relative) {
+	if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) &&
+	    symroot && !relative) {
 		/*
 		 * This is an absolute symlink from the server which does not
 		 * support POSIX paths, so the symlink is in NT-style path.
@@ -907,15 +911,15 @@ globalroot:
 		}
 
 		abs_path_len = strlen(abs_path)+1;
-		symlinkroot_len = strlen(cifs_sb->ctx->symlinkroot);
-		if (cifs_sb->ctx->symlinkroot[symlinkroot_len-1] == '/')
+		symlinkroot_len = strlen(symroot);
+		if (symroot[symlinkroot_len - 1] == '/')
 			symlinkroot_len--;
 		linux_target = kmalloc(symlinkroot_len + 1 + abs_path_len, GFP_KERNEL);
 		if (!linux_target) {
 			rc = -ENOMEM;
 			goto out;
 		}
-		memcpy(linux_target, cifs_sb->ctx->symlinkroot, symlinkroot_len);
+		memcpy(linux_target, symroot, symlinkroot_len);
 		linux_target[symlinkroot_len] = '/';
 		memcpy(linux_target + symlinkroot_len + 1, abs_path, abs_path_len);
 	} else if (smb_target[0] == sep && relative) {
diff --git linux-libre-6.15.5-gnu/fs/smb/client/smb2pdu.c linux-libre-6.15.6-gnu/fs/smb/client/smb2pdu.c
index 72903265b170..2c0cc544dfb3 100644
--- linux-libre-6.15.5-gnu/fs/smb/client/smb2pdu.c
+++ linux-libre-6.15.6-gnu/fs/smb/client/smb2pdu.c
@@ -423,9 +423,9 @@ skip_sess_setup:
 		free_xid(xid);
 		ses->flags &= ~CIFS_SES_FLAGS_PENDING_QUERY_INTERFACES;
 
-		/* regardless of rc value, setup polling */
-		queue_delayed_work(cifsiod_wq, &tcon->query_interfaces,
-				   (SMB_INTERFACE_POLL_INTERVAL * HZ));
+		if (!tcon->ipc && !tcon->dummy)
+			queue_delayed_work(cifsiod_wq, &tcon->query_interfaces,
+					   (SMB_INTERFACE_POLL_INTERVAL * HZ));
 
 		mutex_unlock(&ses->session_mutex);
 
@@ -4221,10 +4221,8 @@ void smb2_reconnect_server(struct work_struct *work)
 		}
 		goto done;
 	}
-
 	tcon->status = TID_GOOD;
-	tcon->retry = false;
-	tcon->need_reconnect = false;
+	tcon->dummy = true;
 
 	/* now reconnect sessions for necessary channels */
 	list_for_each_entry_safe(ses, ses2, &tmp_ses_list, rlist) {
@@ -4854,6 +4852,7 @@ smb2_writev_callback(struct mid_q_entry *mid)
 		break;
 	case MID_REQUEST_SUBMITTED:
 	case MID_RETRY_NEEDED:
+		__set_bit(NETFS_SREQ_NEED_RETRY, &wdata->subreq.flags);
 		result = -EAGAIN;
 		break;
 	case MID_RESPONSE_MALFORMED:
diff --git linux-libre-6.15.5-gnu/fs/xfs/xfs_rtalloc.c linux-libre-6.15.6-gnu/fs/xfs/xfs_rtalloc.c
index 6484c596ecea..736eb0924573 100644
--- linux-libre-6.15.5-gnu/fs/xfs/xfs_rtalloc.c
+++ linux-libre-6.15.6-gnu/fs/xfs/xfs_rtalloc.c
@@ -1259,6 +1259,8 @@ xfs_growfs_check_rtgeom(
 
 	kfree(nmp);
 
+	trace_xfs_growfs_check_rtgeom(mp, min_logfsbs);
+
 	if (min_logfsbs > mp->m_sb.sb_logblocks)
 		return -EINVAL;
 
diff --git linux-libre-6.15.5-gnu/include/linux/arm_ffa.h linux-libre-6.15.6-gnu/include/linux/arm_ffa.h
index 5bded24dc24f..e1634897e159 100644
--- linux-libre-6.15.5-gnu/include/linux/arm_ffa.h
+++ linux-libre-6.15.6-gnu/include/linux/arm_ffa.h
@@ -283,6 +283,7 @@ struct ffa_indirect_msg_hdr {
 	u32 offset;
 	u32 send_recv_id;
 	u32 size;
+	u32 res1;
 	uuid_t uuid;
 };
 
diff --git linux-libre-6.15.5-gnu/include/linux/cpu.h linux-libre-6.15.6-gnu/include/linux/cpu.h
index 3aa955102b34..1ee8e9e3037d 100644
--- linux-libre-6.15.5-gnu/include/linux/cpu.h
+++ linux-libre-6.15.6-gnu/include/linux/cpu.h
@@ -80,6 +80,7 @@ extern ssize_t cpu_show_reg_file_data_sampling(struct device *dev,
 extern ssize_t cpu_show_ghostwrite(struct device *dev, struct device_attribute *attr, char *buf);
 extern ssize_t cpu_show_indirect_target_selection(struct device *dev,
 						  struct device_attribute *attr, char *buf);
+extern ssize_t cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf);
 
 extern __printf(4, 5)
 struct device *cpu_device_create(struct device *parent, void *drvdata,
diff --git linux-libre-6.15.5-gnu/include/linux/export.h linux-libre-6.15.6-gnu/include/linux/export.h
index a8c23d945634..f35d03b4113b 100644
--- linux-libre-6.15.5-gnu/include/linux/export.h
+++ linux-libre-6.15.6-gnu/include/linux/export.h
@@ -24,11 +24,17 @@
 	.long sym
 #endif
 
-#define ___EXPORT_SYMBOL(sym, license, ns)		\
+/*
+ * LLVM integrated assembler cam merge adjacent string literals (like
+ * C and GNU-as) passed to '.ascii', but not to '.asciz' and chokes on:
+ *
+ *   .asciz "MODULE_" "kvm" ;
+ */
+#define ___EXPORT_SYMBOL(sym, license, ns...)		\
 	.section ".export_symbol","a"		ASM_NL	\
 	__export_symbol_##sym:			ASM_NL	\
 		.asciz license			ASM_NL	\
-		.asciz ns			ASM_NL	\
+		.ascii ns "\0"			ASM_NL	\
 		__EXPORT_SYMBOL_REF(sym)	ASM_NL	\
 	.previous
 
@@ -85,4 +91,6 @@
 #define EXPORT_SYMBOL_NS(sym, ns)	__EXPORT_SYMBOL(sym, "", ns)
 #define EXPORT_SYMBOL_NS_GPL(sym, ns)	__EXPORT_SYMBOL(sym, "GPL", ns)
 
+#define EXPORT_SYMBOL_GPL_FOR_MODULES(sym, mods) __EXPORT_SYMBOL(sym, "GPL", "module:" mods)
+
 #endif /* _LINUX_EXPORT_H */
diff --git linux-libre-6.15.5-gnu/include/linux/fs.h linux-libre-6.15.6-gnu/include/linux/fs.h
index ef41a8213a6f..1fe7bf10d442 100644
--- linux-libre-6.15.5-gnu/include/linux/fs.h
+++ linux-libre-6.15.6-gnu/include/linux/fs.h
@@ -3552,6 +3552,8 @@ extern int simple_write_begin(struct file *file, struct address_space *mapping,
 extern const struct address_space_operations ram_aops;
 extern int always_delete_dentry(const struct dentry *);
 extern struct inode *alloc_anon_inode(struct super_block *);
+struct inode *anon_inode_make_secure_inode(struct super_block *sb, const char *name,
+					   const struct inode *context_inode);
 extern int simple_nosetlease(struct file *, int, struct file_lease **, void **);
 extern const struct dentry_operations simple_dentry_operations;
 
diff --git linux-libre-6.15.5-gnu/include/linux/libata.h linux-libre-6.15.6-gnu/include/linux/libata.h
index e5695998acb0..ec3b0c9c2a8c 100644
--- linux-libre-6.15.5-gnu/include/linux/libata.h
+++ linux-libre-6.15.6-gnu/include/linux/libata.h
@@ -1363,7 +1363,7 @@ int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
 int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
 unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev,
 				   const struct ata_acpi_gtm *gtm);
-int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
+int ata_acpi_cbl_pata_type(struct ata_port *ap);
 #else
 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)
 {
@@ -1388,10 +1388,9 @@ static inline unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev,
 	return 0;
 }
 
-static inline int ata_acpi_cbl_80wire(struct ata_port *ap,
-				      const struct ata_acpi_gtm *gtm)
+static inline int ata_acpi_cbl_pata_type(struct ata_port *ap)
 {
-	return 0;
+	return ATA_CBL_PATA40;
 }
 #endif
 
diff --git linux-libre-6.15.5-gnu/include/linux/usb.h linux-libre-6.15.6-gnu/include/linux/usb.h
index b46738701f8d..c63a7a9191ca 100644
--- linux-libre-6.15.5-gnu/include/linux/usb.h
+++ linux-libre-6.15.6-gnu/include/linux/usb.h
@@ -614,6 +614,7 @@ struct usb3_lpm_parameters {
  *	FIXME -- complete doc
  * @authenticated: Crypto authentication passed
  * @tunnel_mode: Connection native or tunneled over USB4
+ * @usb4_link: device link to the USB4 host interface
  * @lpm_capable: device supports LPM
  * @lpm_devinit_allow: Allow USB3 device initiated LPM, exit latency is in range
  * @usb2_hw_lpm_capable: device can perform USB2 hardware LPM
@@ -724,6 +725,7 @@ struct usb_device {
 	unsigned reset_resume:1;
 	unsigned port_is_suspended:1;
 	enum usb_link_tunnel_mode tunnel_mode;
+	struct device_link *usb4_link;
 
 	int slot_id;
 	struct usb2_lpm_parameters l1_params;
diff --git linux-libre-6.15.5-gnu/include/linux/usb/typec_dp.h linux-libre-6.15.6-gnu/include/linux/usb/typec_dp.h
index f2da264d9c14..acb0ad03bdac 100644
--- linux-libre-6.15.5-gnu/include/linux/usb/typec_dp.h
+++ linux-libre-6.15.6-gnu/include/linux/usb/typec_dp.h
@@ -57,6 +57,7 @@ enum {
 	DP_PIN_ASSIGN_D,
 	DP_PIN_ASSIGN_E,
 	DP_PIN_ASSIGN_F, /* Not supported after v1.0b */
+	DP_PIN_ASSIGN_MAX,
 };
 
 /* DisplayPort alt mode specific commands */
diff --git linux-libre-6.15.5-gnu/include/trace/events/netfs.h linux-libre-6.15.6-gnu/include/trace/events/netfs.h
index 4175eec40048..ecc1b852661e 100644
--- linux-libre-6.15.5-gnu/include/trace/events/netfs.h
+++ linux-libre-6.15.6-gnu/include/trace/events/netfs.h
@@ -56,6 +56,7 @@
 	EM(netfs_rreq_trace_dirty,		"DIRTY  ")	\
 	EM(netfs_rreq_trace_done,		"DONE   ")	\
 	EM(netfs_rreq_trace_free,		"FREE   ")	\
+	EM(netfs_rreq_trace_recollect,		"RECLLCT")	\
 	EM(netfs_rreq_trace_redirty,		"REDIRTY")	\
 	EM(netfs_rreq_trace_resubmit,		"RESUBMT")	\
 	EM(netfs_rreq_trace_set_abandon,	"S-ABNDN")	\
diff --git linux-libre-6.15.5-gnu/kernel/irq/irq_sim.c linux-libre-6.15.6-gnu/kernel/irq/irq_sim.c
index 1a3d483548e2..ae4c9cbd1b4b 100644
--- linux-libre-6.15.5-gnu/kernel/irq/irq_sim.c
+++ linux-libre-6.15.6-gnu/kernel/irq/irq_sim.c
@@ -202,7 +202,7 @@ struct irq_domain *irq_domain_create_sim_full(struct fwnode_handle *fwnode,
 					      void *data)
 {
 	struct irq_sim_work_ctx *work_ctx __free(kfree) =
-				kmalloc(sizeof(*work_ctx), GFP_KERNEL);
+				kzalloc(sizeof(*work_ctx), GFP_KERNEL);
 
 	if (!work_ctx)
 		return ERR_PTR(-ENOMEM);
diff --git linux-libre-6.15.5-gnu/kernel/rcu/tree.c linux-libre-6.15.6-gnu/kernel/rcu/tree.c
index 80b10893b503..37778d913f01 100644
--- linux-libre-6.15.5-gnu/kernel/rcu/tree.c
+++ linux-libre-6.15.6-gnu/kernel/rcu/tree.c
@@ -3068,6 +3068,10 @@ __call_rcu_common(struct rcu_head *head, rcu_callback_t func, bool lazy_in)
 	/* Misaligned rcu_head! */
 	WARN_ON_ONCE((unsigned long)head & (sizeof(void *) - 1));
 
+	/* Avoid NULL dereference if callback is NULL. */
+	if (WARN_ON_ONCE(!func))
+		return;
+
 	if (debug_rcu_head_queue(head)) {
 		/*
 		 * Probable double call_rcu(), so leak the callback.
diff --git linux-libre-6.15.5-gnu/lib/test_objagg.c linux-libre-6.15.6-gnu/lib/test_objagg.c
index d34df4306b87..222b39fc2629 100644
--- linux-libre-6.15.5-gnu/lib/test_objagg.c
+++ linux-libre-6.15.6-gnu/lib/test_objagg.c
@@ -899,8 +899,10 @@ static int check_expect_hints_stats(struct objagg_hints *objagg_hints,
 	int err;
 
 	stats = objagg_hints_stats_get(objagg_hints);
-	if (IS_ERR(stats))
+	if (IS_ERR(stats)) {
+		*errmsg = "objagg_hints_stats_get() failed.";
 		return PTR_ERR(stats);
+	}
 	err = __check_expect_stats(stats, expect_stats, errmsg);
 	objagg_stats_put(stats);
 	return err;
diff --git linux-libre-6.15.5-gnu/mm/secretmem.c linux-libre-6.15.6-gnu/mm/secretmem.c
index 1b0a214ee558..4662f2510ae5 100644
--- linux-libre-6.15.5-gnu/mm/secretmem.c
+++ linux-libre-6.15.6-gnu/mm/secretmem.c
@@ -195,18 +195,11 @@ static struct file *secretmem_file_create(unsigned long flags)
 	struct file *file;
 	struct inode *inode;
 	const char *anon_name = "[secretmem]";
-	int err;
 
-	inode = alloc_anon_inode(secretmem_mnt->mnt_sb);
+	inode = anon_inode_make_secure_inode(secretmem_mnt->mnt_sb, anon_name, NULL);
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 
-	err = security_inode_init_security_anon(inode, &QSTR(anon_name), NULL);
-	if (err) {
-		file = ERR_PTR(err);
-		goto err_free_inode;
-	}
-
 	file = alloc_file_pseudo(inode, secretmem_mnt, "secretmem",
 				 O_RDWR, &secretmem_fops);
 	if (IS_ERR(file))
diff --git linux-libre-6.15.5-gnu/mm/vmalloc.c linux-libre-6.15.6-gnu/mm/vmalloc.c
index 00cf1b575c89..3fb534dcf14d 100644
--- linux-libre-6.15.5-gnu/mm/vmalloc.c
+++ linux-libre-6.15.6-gnu/mm/vmalloc.c
@@ -3100,7 +3100,7 @@ static void clear_vm_uninitialized_flag(struct vm_struct *vm)
 	/*
 	 * Before removing VM_UNINITIALIZED,
 	 * we should make sure that vm has proper values.
-	 * Pair with smp_rmb() in show_numa_info().
+	 * Pair with smp_rmb() in vread_iter() and vmalloc_info_show().
 	 */
 	smp_wmb();
 	vm->flags &= ~VM_UNINITIALIZED;
@@ -4934,28 +4934,29 @@ bool vmalloc_dump_obj(void *object)
 #endif
 
 #ifdef CONFIG_PROC_FS
-static void show_numa_info(struct seq_file *m, struct vm_struct *v)
-{
-	if (IS_ENABLED(CONFIG_NUMA)) {
-		unsigned int nr, *counters = m->private;
-		unsigned int step = 1U << vm_area_page_order(v);
 
-		if (!counters)
-			return;
+/*
+ * Print number of pages allocated on each memory node.
+ *
+ * This function can only be called if CONFIG_NUMA is enabled
+ * and VM_UNINITIALIZED bit in v->flags is disabled.
+ */
+static void show_numa_info(struct seq_file *m, struct vm_struct *v,
+				 unsigned int *counters)
+{
+	unsigned int nr;
+	unsigned int step = 1U << vm_area_page_order(v);
 
-		if (v->flags & VM_UNINITIALIZED)
-			return;
-		/* Pair with smp_wmb() in clear_vm_uninitialized_flag() */
-		smp_rmb();
+	if (!counters)
+		return;
 
-		memset(counters, 0, nr_node_ids * sizeof(unsigned int));
+	memset(counters, 0, nr_node_ids * sizeof(unsigned int));
 
-		for (nr = 0; nr < v->nr_pages; nr += step)
-			counters[page_to_nid(v->pages[nr])] += step;
-		for_each_node_state(nr, N_HIGH_MEMORY)
-			if (counters[nr])
-				seq_printf(m, " N%u=%u", nr, counters[nr]);
-	}
+	for (nr = 0; nr < v->nr_pages; nr += step)
+		counters[page_to_nid(v->pages[nr])] += step;
+	for_each_node_state(nr, N_HIGH_MEMORY)
+		if (counters[nr])
+			seq_printf(m, " N%u=%u", nr, counters[nr]);
 }
 
 static void show_purge_info(struct seq_file *m)
@@ -4983,6 +4984,10 @@ static int vmalloc_info_show(struct seq_file *m, void *p)
 	struct vmap_area *va;
 	struct vm_struct *v;
 	int i;
+	unsigned int *counters;
+
+	if (IS_ENABLED(CONFIG_NUMA))
+		counters = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
 
 	for (i = 0; i < nr_vmap_nodes; i++) {
 		vn = &vmap_nodes[i];
@@ -4999,6 +5004,11 @@ static int vmalloc_info_show(struct seq_file *m, void *p)
 			}
 
 			v = va->vm;
+			if (v->flags & VM_UNINITIALIZED)
+				continue;
+
+			/* Pair with smp_wmb() in clear_vm_uninitialized_flag() */
+			smp_rmb();
 
 			seq_printf(m, "0x%pK-0x%pK %7ld",
 				v->addr, v->addr + v->size, v->size);
@@ -5033,7 +5043,9 @@ static int vmalloc_info_show(struct seq_file *m, void *p)
 			if (is_vmalloc_addr(v->pages))
 				seq_puts(m, " vpages");
 
-			show_numa_info(m, v);
+			if (IS_ENABLED(CONFIG_NUMA))
+				show_numa_info(m, v, counters);
+
 			seq_putc(m, '\n');
 		}
 		spin_unlock(&vn->busy.lock);
@@ -5043,19 +5055,14 @@ static int vmalloc_info_show(struct seq_file *m, void *p)
 	 * As a final step, dump "unpurged" areas.
 	 */
 	show_purge_info(m);
+	if (IS_ENABLED(CONFIG_NUMA))
+		kfree(counters);
 	return 0;
 }
 
 static int __init proc_vmalloc_init(void)
 {
-	void *priv_data = NULL;
-
-	if (IS_ENABLED(CONFIG_NUMA))
-		priv_data = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
-
-	proc_create_single_data("vmallocinfo",
-		0400, NULL, vmalloc_info_show, priv_data);
-
+	proc_create_single("vmallocinfo", 0400, NULL, vmalloc_info_show);
 	return 0;
 }
 module_init(proc_vmalloc_init);
diff --git linux-libre-6.15.5-gnu/net/bluetooth/hci_event.c linux-libre-6.15.6-gnu/net/bluetooth/hci_event.c
index 66052d6aaa1d..4d5ace9d245d 100644
--- linux-libre-6.15.5-gnu/net/bluetooth/hci_event.c
+++ linux-libre-6.15.6-gnu/net/bluetooth/hci_event.c
@@ -2150,40 +2150,6 @@ static u8 hci_cc_set_adv_param(struct hci_dev *hdev, void *data,
 	return rp->status;
 }
 
-static u8 hci_cc_set_ext_adv_param(struct hci_dev *hdev, void *data,
-				   struct sk_buff *skb)
-{
-	struct hci_rp_le_set_ext_adv_params *rp = data;
-	struct hci_cp_le_set_ext_adv_params *cp;
-	struct adv_info *adv_instance;
-
-	bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
-
-	if (rp->status)
-		return rp->status;
-
-	cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS);
-	if (!cp)
-		return rp->status;
-
-	hci_dev_lock(hdev);
-	hdev->adv_addr_type = cp->own_addr_type;
-	if (!cp->handle) {
-		/* Store in hdev for instance 0 */
-		hdev->adv_tx_power = rp->tx_power;
-	} else {
-		adv_instance = hci_find_adv_instance(hdev, cp->handle);
-		if (adv_instance)
-			adv_instance->tx_power = rp->tx_power;
-	}
-	/* Update adv data as tx power is known now */
-	hci_update_adv_data(hdev, cp->handle);
-
-	hci_dev_unlock(hdev);
-
-	return rp->status;
-}
-
 static u8 hci_cc_read_rssi(struct hci_dev *hdev, void *data,
 			   struct sk_buff *skb)
 {
@@ -4164,8 +4130,6 @@ static const struct hci_cc {
 	HCI_CC(HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS,
 	       hci_cc_le_read_num_adv_sets,
 	       sizeof(struct hci_rp_le_read_num_supported_adv_sets)),
-	HCI_CC(HCI_OP_LE_SET_EXT_ADV_PARAMS, hci_cc_set_ext_adv_param,
-	       sizeof(struct hci_rp_le_set_ext_adv_params)),
 	HCI_CC_STATUS(HCI_OP_LE_SET_EXT_ADV_ENABLE,
 		      hci_cc_le_set_ext_adv_enable),
 	HCI_CC_STATUS(HCI_OP_LE_SET_ADV_SET_RAND_ADDR,
diff --git linux-libre-6.15.5-gnu/net/bluetooth/hci_sync.c linux-libre-6.15.6-gnu/net/bluetooth/hci_sync.c
index 83de3847c8ea..9955d6cd7b76 100644
--- linux-libre-6.15.5-gnu/net/bluetooth/hci_sync.c
+++ linux-libre-6.15.6-gnu/net/bluetooth/hci_sync.c
@@ -1205,9 +1205,126 @@ static int hci_set_adv_set_random_addr_sync(struct hci_dev *hdev, u8 instance,
 				     sizeof(cp), &cp, HCI_CMD_TIMEOUT);
 }
 
+static int
+hci_set_ext_adv_params_sync(struct hci_dev *hdev, struct adv_info *adv,
+			    const struct hci_cp_le_set_ext_adv_params *cp,
+			    struct hci_rp_le_set_ext_adv_params *rp)
+{
+	struct sk_buff *skb;
+
+	skb = __hci_cmd_sync(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS, sizeof(*cp),
+			     cp, HCI_CMD_TIMEOUT);
+
+	/* If command return a status event, skb will be set to -ENODATA */
+	if (skb == ERR_PTR(-ENODATA))
+		return 0;
+
+	if (IS_ERR(skb)) {
+		bt_dev_err(hdev, "Opcode 0x%4.4x failed: %ld",
+			   HCI_OP_LE_SET_EXT_ADV_PARAMS, PTR_ERR(skb));
+		return PTR_ERR(skb);
+	}
+
+	if (skb->len != sizeof(*rp)) {
+		bt_dev_err(hdev, "Invalid response length for 0x%4.4x: %u",
+			   HCI_OP_LE_SET_EXT_ADV_PARAMS, skb->len);
+		kfree_skb(skb);
+		return -EIO;
+	}
+
+	memcpy(rp, skb->data, sizeof(*rp));
+	kfree_skb(skb);
+
+	if (!rp->status) {
+		hdev->adv_addr_type = cp->own_addr_type;
+		if (!cp->handle) {
+			/* Store in hdev for instance 0 */
+			hdev->adv_tx_power = rp->tx_power;
+		} else if (adv) {
+			adv->tx_power = rp->tx_power;
+		}
+	}
+
+	return rp->status;
+}
+
+static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+	DEFINE_FLEX(struct hci_cp_le_set_ext_adv_data, pdu, data, length,
+		    HCI_MAX_EXT_AD_LENGTH);
+	u8 len;
+	struct adv_info *adv = NULL;
+	int err;
+
+	if (instance) {
+		adv = hci_find_adv_instance(hdev, instance);
+		if (!adv || !adv->adv_data_changed)
+			return 0;
+	}
+
+	len = eir_create_adv_data(hdev, instance, pdu->data,
+				  HCI_MAX_EXT_AD_LENGTH);
+
+	pdu->length = len;
+	pdu->handle = adv ? adv->handle : instance;
+	pdu->operation = LE_SET_ADV_DATA_OP_COMPLETE;
+	pdu->frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+
+	err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
+				    struct_size(pdu, data, len), pdu,
+				    HCI_CMD_TIMEOUT);
+	if (err)
+		return err;
+
+	/* Update data if the command succeed */
+	if (adv) {
+		adv->adv_data_changed = false;
+	} else {
+		memcpy(hdev->adv_data, pdu->data, len);
+		hdev->adv_data_len = len;
+	}
+
+	return 0;
+}
+
+static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+	struct hci_cp_le_set_adv_data cp;
+	u8 len;
+
+	memset(&cp, 0, sizeof(cp));
+
+	len = eir_create_adv_data(hdev, instance, cp.data, sizeof(cp.data));
+
+	/* There's nothing to do if the data hasn't changed */
+	if (hdev->adv_data_len == len &&
+	    memcmp(cp.data, hdev->adv_data, len) == 0)
+		return 0;
+
+	memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
+	hdev->adv_data_len = len;
+
+	cp.length = len;
+
+	return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
+				     sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+	if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+		return 0;
+
+	if (ext_adv_capable(hdev))
+		return hci_set_ext_adv_data_sync(hdev, instance);
+
+	return hci_set_adv_data_sync(hdev, instance);
+}
+
 int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
 {
 	struct hci_cp_le_set_ext_adv_params cp;
+	struct hci_rp_le_set_ext_adv_params rp;
 	bool connectable;
 	u32 flags;
 	bdaddr_t random_addr;
@@ -1314,8 +1431,12 @@ int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
 		cp.secondary_phy = HCI_ADV_PHY_1M;
 	}
 
-	err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
-				    sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+	err = hci_set_ext_adv_params_sync(hdev, adv, &cp, &rp);
+	if (err)
+		return err;
+
+	/* Update adv data as tx power is known now */
+	err = hci_set_ext_adv_data_sync(hdev, cp.handle);
 	if (err)
 		return err;
 
@@ -1808,79 +1929,6 @@ int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason)
 				     sizeof(cp), &cp, HCI_CMD_TIMEOUT);
 }
 
-static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
-{
-	DEFINE_FLEX(struct hci_cp_le_set_ext_adv_data, pdu, data, length,
-		    HCI_MAX_EXT_AD_LENGTH);
-	u8 len;
-	struct adv_info *adv = NULL;
-	int err;
-
-	if (instance) {
-		adv = hci_find_adv_instance(hdev, instance);
-		if (!adv || !adv->adv_data_changed)
-			return 0;
-	}
-
-	len = eir_create_adv_data(hdev, instance, pdu->data,
-				  HCI_MAX_EXT_AD_LENGTH);
-
-	pdu->length = len;
-	pdu->handle = adv ? adv->handle : instance;
-	pdu->operation = LE_SET_ADV_DATA_OP_COMPLETE;
-	pdu->frag_pref = LE_SET_ADV_DATA_NO_FRAG;
-
-	err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
-				    struct_size(pdu, data, len), pdu,
-				    HCI_CMD_TIMEOUT);
-	if (err)
-		return err;
-
-	/* Update data if the command succeed */
-	if (adv) {
-		adv->adv_data_changed = false;
-	} else {
-		memcpy(hdev->adv_data, pdu->data, len);
-		hdev->adv_data_len = len;
-	}
-
-	return 0;
-}
-
-static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
-{
-	struct hci_cp_le_set_adv_data cp;
-	u8 len;
-
-	memset(&cp, 0, sizeof(cp));
-
-	len = eir_create_adv_data(hdev, instance, cp.data, sizeof(cp.data));
-
-	/* There's nothing to do if the data hasn't changed */
-	if (hdev->adv_data_len == len &&
-	    memcmp(cp.data, hdev->adv_data, len) == 0)
-		return 0;
-
-	memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
-	hdev->adv_data_len = len;
-
-	cp.length = len;
-
-	return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
-				     sizeof(cp), &cp, HCI_CMD_TIMEOUT);
-}
-
-int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
-{
-	if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
-		return 0;
-
-	if (ext_adv_capable(hdev))
-		return hci_set_ext_adv_data_sync(hdev, instance);
-
-	return hci_set_adv_data_sync(hdev, instance);
-}
-
 int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
 				   bool force)
 {
@@ -1956,13 +2004,10 @@ static int hci_clear_adv_sets_sync(struct hci_dev *hdev, struct sock *sk)
 static int hci_clear_adv_sync(struct hci_dev *hdev, struct sock *sk, bool force)
 {
 	struct adv_info *adv, *n;
-	int err = 0;
 
 	if (ext_adv_capable(hdev))
 		/* Remove all existing sets */
-		err = hci_clear_adv_sets_sync(hdev, sk);
-	if (ext_adv_capable(hdev))
-		return err;
+		return hci_clear_adv_sets_sync(hdev, sk);
 
 	/* This is safe as long as there is no command send while the lock is
 	 * held.
@@ -1990,13 +2035,11 @@ static int hci_clear_adv_sync(struct hci_dev *hdev, struct sock *sk, bool force)
 static int hci_remove_adv_sync(struct hci_dev *hdev, u8 instance,
 			       struct sock *sk)
 {
-	int err = 0;
+	int err;
 
 	/* If we use extended advertising, instance has to be removed first. */
 	if (ext_adv_capable(hdev))
-		err = hci_remove_ext_adv_instance_sync(hdev, instance, sk);
-	if (ext_adv_capable(hdev))
-		return err;
+		return hci_remove_ext_adv_instance_sync(hdev, instance, sk);
 
 	/* This is safe as long as there is no command send while the lock is
 	 * held.
@@ -2095,16 +2138,13 @@ int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type)
 int hci_disable_advertising_sync(struct hci_dev *hdev)
 {
 	u8 enable = 0x00;
-	int err = 0;
 
 	/* If controller is not advertising we are done. */
 	if (!hci_dev_test_flag(hdev, HCI_LE_ADV))
 		return 0;
 
 	if (ext_adv_capable(hdev))
-		err = hci_disable_ext_adv_instance_sync(hdev, 0x00);
-	if (ext_adv_capable(hdev))
-		return err;
+		return hci_disable_ext_adv_instance_sync(hdev, 0x00);
 
 	return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_ENABLE,
 				     sizeof(enable), &enable, HCI_CMD_TIMEOUT);
@@ -2467,6 +2507,10 @@ static int hci_pause_advertising_sync(struct hci_dev *hdev)
 	int err;
 	int old_state;
 
+	/* If controller is not advertising we are done. */
+	if (!hci_dev_test_flag(hdev, HCI_LE_ADV))
+		return 0;
+
 	/* If already been paused there is nothing to do. */
 	if (hdev->advertising_paused)
 		return 0;
@@ -6263,6 +6307,7 @@ static int hci_le_ext_directed_advertising_sync(struct hci_dev *hdev,
 						struct hci_conn *conn)
 {
 	struct hci_cp_le_set_ext_adv_params cp;
+	struct hci_rp_le_set_ext_adv_params rp;
 	int err;
 	bdaddr_t random_addr;
 	u8 own_addr_type;
@@ -6304,8 +6349,12 @@ static int hci_le_ext_directed_advertising_sync(struct hci_dev *hdev,
 	if (err)
 		return err;
 
-	err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
-				    sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+	err = hci_set_ext_adv_params_sync(hdev, NULL, &cp, &rp);
+	if (err)
+		return err;
+
+	/* Update adv data as tx power is known now */
+	err = hci_set_ext_adv_data_sync(hdev, cp.handle);
 	if (err)
 		return err;
 
diff --git linux-libre-6.15.5-gnu/net/bluetooth/mgmt.c linux-libre-6.15.6-gnu/net/bluetooth/mgmt.c
index d540f7b4f75f..1485b455ade4 100644
--- linux-libre-6.15.5-gnu/net/bluetooth/mgmt.c
+++ linux-libre-6.15.6-gnu/net/bluetooth/mgmt.c
@@ -1080,7 +1080,8 @@ static int mesh_send_done_sync(struct hci_dev *hdev, void *data)
 	struct mgmt_mesh_tx *mesh_tx;
 
 	hci_dev_clear_flag(hdev, HCI_MESH_SENDING);
-	hci_disable_advertising_sync(hdev);
+	if (list_empty(&hdev->adv_instances))
+		hci_disable_advertising_sync(hdev);
 	mesh_tx = mgmt_mesh_next(hdev, NULL);
 
 	if (mesh_tx)
@@ -2153,6 +2154,9 @@ static int set_mesh_sync(struct hci_dev *hdev, void *data)
 	else
 		hci_dev_clear_flag(hdev, HCI_MESH);
 
+	hdev->le_scan_interval = __le16_to_cpu(cp->period);
+	hdev->le_scan_window = __le16_to_cpu(cp->window);
+
 	len -= sizeof(*cp);
 
 	/* If filters don't fit, forward all adv pkts */
@@ -2167,6 +2171,7 @@ static int set_mesh(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 {
 	struct mgmt_cp_set_mesh *cp = data;
 	struct mgmt_pending_cmd *cmd;
+	__u16 period, window;
 	int err = 0;
 
 	bt_dev_dbg(hdev, "sock %p", sk);
@@ -2180,6 +2185,23 @@ static int set_mesh(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
 				       MGMT_STATUS_INVALID_PARAMS);
 
+	/* Keep allowed ranges in sync with set_scan_params() */
+	period = __le16_to_cpu(cp->period);
+
+	if (period < 0x0004 || period > 0x4000)
+		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+				       MGMT_STATUS_INVALID_PARAMS);
+
+	window = __le16_to_cpu(cp->window);
+
+	if (window < 0x0004 || window > 0x4000)
+		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+				       MGMT_STATUS_INVALID_PARAMS);
+
+	if (window > period)
+		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+				       MGMT_STATUS_INVALID_PARAMS);
+
 	hci_dev_lock(hdev);
 
 	cmd = mgmt_pending_add(sk, MGMT_OP_SET_MESH_RECEIVER, hdev, data, len);
@@ -6432,6 +6454,7 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
 		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
 				       MGMT_STATUS_NOT_SUPPORTED);
 
+	/* Keep allowed ranges in sync with set_mesh() */
 	interval = __le16_to_cpu(cp->interval);
 
 	if (interval < 0x0004 || interval > 0x4000)
diff --git linux-libre-6.15.5-gnu/net/ipv4/ip_input.c linux-libre-6.15.6-gnu/net/ipv4/ip_input.c
index 30a5e9460d00..5a49eb99e5c4 100644
--- linux-libre-6.15.5-gnu/net/ipv4/ip_input.c
+++ linux-libre-6.15.6-gnu/net/ipv4/ip_input.c
@@ -319,8 +319,8 @@ static int ip_rcv_finish_core(struct net *net,
 			      const struct sk_buff *hint)
 {
 	const struct iphdr *iph = ip_hdr(skb);
-	int err, drop_reason;
 	struct rtable *rt;
+	int drop_reason;
 
 	if (ip_can_use_hint(skb, iph, hint)) {
 		drop_reason = ip_route_use_hint(skb, iph->daddr, iph->saddr,
@@ -345,9 +345,10 @@ static int ip_rcv_finish_core(struct net *net,
 			break;
 		case IPPROTO_UDP:
 			if (READ_ONCE(net->ipv4.sysctl_udp_early_demux)) {
-				err = udp_v4_early_demux(skb);
-				if (unlikely(err))
+				drop_reason = udp_v4_early_demux(skb);
+				if (unlikely(drop_reason))
 					goto drop_error;
+				drop_reason = SKB_DROP_REASON_NOT_SPECIFIED;
 
 				/* must reload iph, skb->head might have changed */
 				iph = ip_hdr(skb);
diff --git linux-libre-6.15.5-gnu/net/mac80211/rx.c linux-libre-6.15.6-gnu/net/mac80211/rx.c
index 09beb65d6108..e73431549ce7 100644
--- linux-libre-6.15.5-gnu/net/mac80211/rx.c
+++ linux-libre-6.15.6-gnu/net/mac80211/rx.c
@@ -4432,6 +4432,10 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
 		if (!multicast &&
 		    !ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))
 			return false;
+		/* reject invalid/our STA address */
+		if (!is_valid_ether_addr(hdr->addr2) ||
+		    ether_addr_equal(sdata->dev->dev_addr, hdr->addr2))
+			return false;
 		if (!rx->sta) {
 			int rate_idx;
 			if (status->encoding != RX_ENC_LEGACY)
diff --git linux-libre-6.15.5-gnu/net/rose/rose_route.c linux-libre-6.15.6-gnu/net/rose/rose_route.c
index 2dd6bd3a3011..b72bf8a08d48 100644
--- linux-libre-6.15.5-gnu/net/rose/rose_route.c
+++ linux-libre-6.15.6-gnu/net/rose/rose_route.c
@@ -497,22 +497,15 @@ void rose_rt_device_down(struct net_device *dev)
 			t         = rose_node;
 			rose_node = rose_node->next;
 
-			for (i = 0; i < t->count; i++) {
+			for (i = t->count - 1; i >= 0; i--) {
 				if (t->neighbour[i] != s)
 					continue;
 
 				t->count--;
 
-				switch (i) {
-				case 0:
-					t->neighbour[0] = t->neighbour[1];
-					fallthrough;
-				case 1:
-					t->neighbour[1] = t->neighbour[2];
-					break;
-				case 2:
-					break;
-				}
+				memmove(&t->neighbour[i], &t->neighbour[i + 1],
+					sizeof(t->neighbour[0]) *
+						(t->count - i));
 			}
 
 			if (t->count <= 0)
diff --git linux-libre-6.15.5-gnu/net/sched/sch_api.c linux-libre-6.15.6-gnu/net/sched/sch_api.c
index f74a097f54ae..d58921ffcf35 100644
--- linux-libre-6.15.5-gnu/net/sched/sch_api.c
+++ linux-libre-6.15.6-gnu/net/sched/sch_api.c
@@ -779,15 +779,12 @@ static u32 qdisc_alloc_handle(struct net_device *dev)
 
 void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
 {
-	bool qdisc_is_offloaded = sch->flags & TCQ_F_OFFLOADED;
 	const struct Qdisc_class_ops *cops;
 	unsigned long cl;
 	u32 parentid;
 	bool notify;
 	int drops;
 
-	if (n == 0 && len == 0)
-		return;
 	drops = max_t(int, n, 0);
 	rcu_read_lock();
 	while ((parentid = sch->parent)) {
@@ -796,17 +793,8 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
 
 		if (sch->flags & TCQ_F_NOPARENT)
 			break;
-		/* Notify parent qdisc only if child qdisc becomes empty.
-		 *
-		 * If child was empty even before update then backlog
-		 * counter is screwed and we skip notification because
-		 * parent class is already passive.
-		 *
-		 * If the original child was offloaded then it is allowed
-		 * to be seem as empty, so the parent is notified anyway.
-		 */
-		notify = !sch->q.qlen && !WARN_ON_ONCE(!n &&
-						       !qdisc_is_offloaded);
+		/* Notify parent qdisc only if child qdisc becomes empty. */
+		notify = !sch->q.qlen;
 		/* TODO: perform the search on a per txq basis */
 		sch = qdisc_lookup_rcu(qdisc_dev(sch), TC_H_MAJ(parentid));
 		if (sch == NULL) {
@@ -815,6 +803,9 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
 		}
 		cops = sch->ops->cl_ops;
 		if (notify && cops->qlen_notify) {
+			/* Note that qlen_notify must be idempotent as it may get called
+			 * multiple times.
+			 */
 			cl = cops->find(sch, parentid);
 			cops->qlen_notify(sch, cl);
 		}
diff --git linux-libre-6.15.5-gnu/net/vmw_vsock/vmci_transport.c linux-libre-6.15.6-gnu/net/vmw_vsock/vmci_transport.c
index b370070194fa..7eccd6708d66 100644
--- linux-libre-6.15.5-gnu/net/vmw_vsock/vmci_transport.c
+++ linux-libre-6.15.6-gnu/net/vmw_vsock/vmci_transport.c
@@ -119,6 +119,8 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
 			   u16 proto,
 			   struct vmci_handle handle)
 {
+	memset(pkt, 0, sizeof(*pkt));
+
 	/* We register the stream control handler as an any cid handle so we
 	 * must always send from a source address of VMADDR_CID_ANY
 	 */
@@ -131,8 +133,6 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
 	pkt->type = type;
 	pkt->src_port = src->svm_port;
 	pkt->dst_port = dst->svm_port;
-	memset(&pkt->proto, 0, sizeof(pkt->proto));
-	memset(&pkt->_reserved2, 0, sizeof(pkt->_reserved2));
 
 	switch (pkt->type) {
 	case VMCI_TRANSPORT_PACKET_TYPE_INVALID:
diff --git linux-libre-6.15.5-gnu/rust/kernel/firmware.rs linux-libre-6.15.6-gnu/rust/kernel/firmware.rs
index f4be35325899..3922ab85146e 100644
--- linux-libre-6.15.5-gnu/rust/kernel/firmware.rs
+++ linux-libre-6.15.6-gnu/rust/kernel/firmware.rs
@@ -4,7 +4,7 @@
 //!
 //! C header: [`include/linux/firmware.h`](srctree/include/linux/firmware.h)
 
-use crate::{bindings, device::Device, error::Error, error::Result, ffi, str::CStr};
+use crate::{bindings, device::Device, error::Error, error::Result, ffi, str::CStr, dev_err, kernel::c_str};
 use core::ptr::NonNull;
 
 /// # Invariants
@@ -87,13 +87,13 @@ impl Firmware {
     }
 
     /// Send a request for a nonresolvable name.
-    pub fn reject_nowarn(name: &CStr, dev: &Device) -> Result<Self> {
-        Self::request_internal("/*(DEBLOBBED)*/", dev, FwFunc::request_nowarn())
+    pub fn reject_nowarn(_name: &CStr, dev: &Device) -> Result<Self> {
+        Self::request_internal(c_str!("/*(DEBLOBBED)*/"), dev, FwFunc::request_nowarn())
     }
 
     /// Send a request for a nonresolvable name.
     pub fn reject(name: &CStr, dev: &Device) -> Result<Self> {
-        dev_err!("Missing Free {} (non-Free firmware loading is disabled)\n", name);
+        dev_err!(dev, "Missing Free {} (non-Free firmware loading is disabled)\n", name);
         Self::reject_nowarn(name, dev)
     }
 
diff --git linux-libre-6.15.5-gnu/sound/isa/sb/sb16_main.c linux-libre-6.15.6-gnu/sound/isa/sb/sb16_main.c
index 74db11525003..5a083eecaa6b 100644
--- linux-libre-6.15.5-gnu/sound/isa/sb/sb16_main.c
+++ linux-libre-6.15.6-gnu/sound/isa/sb/sb16_main.c
@@ -703,6 +703,9 @@ static int snd_sb16_dma_control_put(struct snd_kcontrol *kcontrol, struct snd_ct
 	unsigned char nval, oval;
 	int change;
 	
+	if (chip->mode & (SB_MODE_PLAYBACK | SB_MODE_CAPTURE))
+		return -EBUSY;
+
 	nval = ucontrol->value.enumerated.item[0];
 	if (nval > 2)
 		return -EINVAL;
@@ -711,6 +714,10 @@ static int snd_sb16_dma_control_put(struct snd_kcontrol *kcontrol, struct snd_ct
 	change = nval != oval;
 	snd_sb16_set_dma_mode(chip, nval);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
+	if (change) {
+		snd_dma_disable(chip->dma8);
+		snd_dma_disable(chip->dma16);
+	}
 	return change;
 }
 
diff --git linux-libre-6.15.5-gnu/sound/soc/amd/yc/acp6x-mach.c linux-libre-6.15.6-gnu/sound/soc/amd/yc/acp6x-mach.c
index b27966f82c8b..723cb7bc1285 100644
--- linux-libre-6.15.5-gnu/sound/soc/amd/yc/acp6x-mach.c
+++ linux-libre-6.15.6-gnu/sound/soc/amd/yc/acp6x-mach.c
@@ -451,6 +451,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Bravo 17 D7VEK"),
 		}
 	},
+	{
+		.driver_data = &acp6x_card,
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "Micro-Star International Co., Ltd."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Bravo 17 D7VF"),
+		}
+	},
 	{
 		.driver_data = &acp6x_card,
 		.matches = {
@@ -514,6 +521,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16z-n000"),
 		}
 	},
+	{
+		.driver_data = &acp6x_card,
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Victus by HP Gaming Laptop 15-fb2xxx"),
+		}
+	},
 	{
 		.driver_data = &acp6x_card,
 		.matches = {
diff --git linux-libre-6.15.5-gnu/tools/testing/selftests/iommu/iommufd.c linux-libre-6.15.6-gnu/tools/testing/selftests/iommu/iommufd.c
index 1a8e85afe9aa..e61218c0537f 100644
--- linux-libre-6.15.5-gnu/tools/testing/selftests/iommu/iommufd.c
+++ linux-libre-6.15.6-gnu/tools/testing/selftests/iommu/iommufd.c
@@ -54,6 +54,8 @@ static __attribute__((constructor)) void setup_sizes(void)
 
 	mfd_buffer = memfd_mmap(BUFFER_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
 				&mfd);
+	assert(mfd_buffer != MAP_FAILED);
+	assert(mfd > 0);
 }
 
 FIXTURE(iommufd)
@@ -2008,6 +2010,7 @@ FIXTURE_VARIANT(iommufd_dirty_tracking)
 
 FIXTURE_SETUP(iommufd_dirty_tracking)
 {
+	size_t mmap_buffer_size;
 	unsigned long size;
 	int mmap_flags;
 	void *vrc;
@@ -2022,22 +2025,33 @@ FIXTURE_SETUP(iommufd_dirty_tracking)
 	self->fd = open("/dev/iommu", O_RDWR);
 	ASSERT_NE(-1, self->fd);
 
-	rc = posix_memalign(&self->buffer, HUGEPAGE_SIZE, variant->buffer_size);
-	if (rc || !self->buffer) {
-		SKIP(return, "Skipping buffer_size=%lu due to errno=%d",
-			   variant->buffer_size, rc);
-	}
-
 	mmap_flags = MAP_SHARED | MAP_ANONYMOUS | MAP_FIXED;
+	mmap_buffer_size = variant->buffer_size;
 	if (variant->hugepages) {
 		/*
 		 * MAP_POPULATE will cause the kernel to fail mmap if THPs are
 		 * not available.
 		 */
 		mmap_flags |= MAP_HUGETLB | MAP_POPULATE;
+
+		/*
+		 * Allocation must be aligned to the HUGEPAGE_SIZE, because the
+		 * following mmap() will automatically align the length to be a
+		 * multiple of the underlying huge page size. Failing to do the
+		 * same at this allocation will result in a memory overwrite by
+		 * the mmap().
+		 */
+		if (mmap_buffer_size < HUGEPAGE_SIZE)
+			mmap_buffer_size = HUGEPAGE_SIZE;
+	}
+
+	rc = posix_memalign(&self->buffer, HUGEPAGE_SIZE, mmap_buffer_size);
+	if (rc || !self->buffer) {
+		SKIP(return, "Skipping buffer_size=%lu due to errno=%d",
+			   mmap_buffer_size, rc);
 	}
 	assert((uintptr_t)self->buffer % HUGEPAGE_SIZE == 0);
-	vrc = mmap(self->buffer, variant->buffer_size, PROT_READ | PROT_WRITE,
+	vrc = mmap(self->buffer, mmap_buffer_size, PROT_READ | PROT_WRITE,
 		   mmap_flags, -1, 0);
 	assert(vrc == self->buffer);
 
@@ -2066,8 +2080,8 @@ FIXTURE_SETUP(iommufd_dirty_tracking)
 
 FIXTURE_TEARDOWN(iommufd_dirty_tracking)
 {
-	munmap(self->buffer, variant->buffer_size);
-	munmap(self->bitmap, DIV_ROUND_UP(self->bitmap_size, BITS_PER_BYTE));
+	free(self->buffer);
+	free(self->bitmap);
 	teardown_iommufd(self->fd, _metadata);
 }
 
diff --git linux-libre-6.15.5-gnu/tools/testing/selftests/iommu/iommufd_utils.h linux-libre-6.15.6-gnu/tools/testing/selftests/iommu/iommufd_utils.h
index 72f6636e5d90..6e967b58acfd 100644
--- linux-libre-6.15.5-gnu/tools/testing/selftests/iommu/iommufd_utils.h
+++ linux-libre-6.15.6-gnu/tools/testing/selftests/iommu/iommufd_utils.h
@@ -60,13 +60,18 @@ static inline void *memfd_mmap(size_t length, int prot, int flags, int *mfd_p)
 {
 	int mfd_flags = (flags & MAP_HUGETLB) ? MFD_HUGETLB : 0;
 	int mfd = memfd_create("buffer", mfd_flags);
+	void *buf = MAP_FAILED;
 
 	if (mfd <= 0)
 		return MAP_FAILED;
 	if (ftruncate(mfd, length))
-		return MAP_FAILED;
+		goto out;
 	*mfd_p = mfd;
-	return mmap(0, length, prot, flags, mfd, 0);
+	buf = mmap(0, length, prot, flags, mfd, 0);
+out:
+	if (buf == MAP_FAILED)
+		close(mfd);
+	return buf;
 }
 
 /*
