diff --git linux-libre-5.4.120-gnu/Documentation/sphinx/parse-headers.pl linux-libre-5.4.121-gnu/Documentation/sphinx/parse-headers.pl
index c518050ffc3f..0dcf369ab904 100755
--- linux-libre-5.4.120-gnu/Documentation/sphinx/parse-headers.pl
+++ linux-libre-5.4.121-gnu/Documentation/sphinx/parse-headers.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 use strict;
 use Text::Tabs;
 use Getopt::Long;
diff --git linux-libre-5.4.120-gnu/Documentation/target/tcm_mod_builder.py linux-libre-5.4.121-gnu/Documentation/target/tcm_mod_builder.py
index 95d6e31f1e3a..85e496086d6e 100755
--- linux-libre-5.4.120-gnu/Documentation/target/tcm_mod_builder.py
+++ linux-libre-5.4.121-gnu/Documentation/target/tcm_mod_builder.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD
 #
 # Copyright (c) 2010 Rising Tide Systems
diff --git linux-libre-5.4.120-gnu/Documentation/trace/postprocess/decode_msr.py linux-libre-5.4.121-gnu/Documentation/trace/postprocess/decode_msr.py
index 0ab40e0db580..aa9cc7abd5c2 100644
--- linux-libre-5.4.120-gnu/Documentation/trace/postprocess/decode_msr.py
+++ linux-libre-5.4.121-gnu/Documentation/trace/postprocess/decode_msr.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # add symbolic names to read_msr / write_msr in trace
 # decode_msr msr-index.h < trace
 import sys
diff --git linux-libre-5.4.120-gnu/Documentation/trace/postprocess/trace-pagealloc-postprocess.pl linux-libre-5.4.121-gnu/Documentation/trace/postprocess/trace-pagealloc-postprocess.pl
index 0a120aae33ce..b9b7d80c2f9d 100644
--- linux-libre-5.4.120-gnu/Documentation/trace/postprocess/trace-pagealloc-postprocess.pl
+++ linux-libre-5.4.121-gnu/Documentation/trace/postprocess/trace-pagealloc-postprocess.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # This is a POC (proof of concept or piece of crap, take your pick) for reading the
 # text representation of trace output related to page allocation. It makes an attempt
 # to extract some high-level information on what is going on. The accuracy of the parser
diff --git linux-libre-5.4.120-gnu/Documentation/trace/postprocess/trace-vmscan-postprocess.pl linux-libre-5.4.121-gnu/Documentation/trace/postprocess/trace-vmscan-postprocess.pl
index 995da15b16ca..2f4e39875fb3 100644
--- linux-libre-5.4.120-gnu/Documentation/trace/postprocess/trace-vmscan-postprocess.pl
+++ linux-libre-5.4.121-gnu/Documentation/trace/postprocess/trace-vmscan-postprocess.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # This is a POC for reading the text representation of trace output related to
 # page reclaim. It makes an attempt to extract some high-level information on
 # what is going on. The accuracy of the parser may vary
diff --git linux-libre-5.4.120-gnu/Makefile linux-libre-5.4.121-gnu/Makefile
index c638eb7601bb..db751ccceaab 100644
--- linux-libre-5.4.120-gnu/Makefile
+++ linux-libre-5.4.121-gnu/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 120
+SUBLEVEL = 121
 EXTRAVERSION = -gnu
 NAME = Kleptomaniac Octopus
 
diff --git linux-libre-5.4.120-gnu/arch/arm/include/asm/kvm_host.h linux-libre-5.4.121-gnu/arch/arm/include/asm/kvm_host.h
index dd03d5e01a94..32564b017ba0 100644
--- linux-libre-5.4.120-gnu/arch/arm/include/asm/kvm_host.h
+++ linux-libre-5.4.121-gnu/arch/arm/include/asm/kvm_host.h
@@ -335,6 +335,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
 
 static inline void kvm_arm_init_debug(void) {}
+static inline void kvm_arm_vcpu_init_debug(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arm_setup_debug(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arm_clear_debug(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu) {}
diff --git linux-libre-5.4.120-gnu/arch/arm/kernel/asm-offsets.c linux-libre-5.4.121-gnu/arch/arm/kernel/asm-offsets.c
index bfb05c93494d..4ce2e29da14d 100644
--- linux-libre-5.4.120-gnu/arch/arm/kernel/asm-offsets.c
+++ linux-libre-5.4.121-gnu/arch/arm/kernel/asm-offsets.c
@@ -27,6 +27,7 @@
 #include <asm/vdso_datapage.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <linux/kbuild.h>
+#include <linux/arm-smccc.h>
 #include "signal.h"
 
 /*
@@ -160,6 +161,8 @@ int main(void)
   DEFINE(SLEEP_SAVE_SP_PHYS,	offsetof(struct sleep_save_sp, save_ptr_stash_phys));
   DEFINE(SLEEP_SAVE_SP_VIRT,	offsetof(struct sleep_save_sp, save_ptr_stash));
 #endif
+  DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
+  DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
   BLANK();
   DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
   DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);
diff --git linux-libre-5.4.120-gnu/arch/arm/kernel/smccc-call.S linux-libre-5.4.121-gnu/arch/arm/kernel/smccc-call.S
index 00664c78faca..931df62a7831 100644
--- linux-libre-5.4.120-gnu/arch/arm/kernel/smccc-call.S
+++ linux-libre-5.4.121-gnu/arch/arm/kernel/smccc-call.S
@@ -3,7 +3,9 @@
  * Copyright (c) 2015, Linaro Limited
  */
 #include <linux/linkage.h>
+#include <linux/arm-smccc.h>
 
+#include <asm/asm-offsets.h>
 #include <asm/opcodes-sec.h>
 #include <asm/opcodes-virt.h>
 #include <asm/unwind.h>
@@ -27,7 +29,14 @@ UNWIND(	.fnstart)
 UNWIND(	.save	{r4-r7})
 	ldm	r12, {r4-r7}
 	\instr
-	pop	{r4-r7}
+	ldr	r4, [sp, #36]
+	cmp	r4, #0
+	beq	1f			// No quirk structure
+	ldr     r5, [r4, #ARM_SMCCC_QUIRK_ID_OFFS]
+	cmp     r5, #ARM_SMCCC_QUIRK_QCOM_A6
+	bne	1f			// No quirk present
+	str	r6, [r4, #ARM_SMCCC_QUIRK_STATE_OFFS]
+1:	pop	{r4-r7}
 	ldr	r12, [sp, #(4 * 4)]
 	stm	r12, {r0-r3}
 	bx	lr
diff --git linux-libre-5.4.120-gnu/arch/arm/kernel/suspend.c linux-libre-5.4.121-gnu/arch/arm/kernel/suspend.c
index d08099269e35..e126386fb78a 100644
--- linux-libre-5.4.120-gnu/arch/arm/kernel/suspend.c
+++ linux-libre-5.4.121-gnu/arch/arm/kernel/suspend.c
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <linux/ftrace.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/mm_types.h>
@@ -26,6 +27,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 	if (!idmap_pgd)
 		return -EINVAL;
 
+	/*
+	 * Function graph tracer state gets incosistent when the kernel
+	 * calls functions that never return (aka suspend finishers) hence
+	 * disable graph tracing during their execution.
+	 */
+	pause_graph_tracing();
+
 	/*
 	 * Provide a temporary page table with an identity mapping for
 	 * the MMU-enable code, required for resuming.  On successful
@@ -33,6 +41,9 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 	 * back to the correct page tables.
 	 */
 	ret = __cpu_suspend(arg, fn, __mpidr);
+
+	unpause_graph_tracing();
+
 	if (ret == 0) {
 		cpu_switch_mm(mm->pgd, mm);
 		local_flush_bp_all();
@@ -46,7 +57,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 {
 	u32 __mpidr = cpu_logical_map(smp_processor_id());
-	return __cpu_suspend(arg, fn, __mpidr);
+	int ret;
+
+	pause_graph_tracing();
+	ret = __cpu_suspend(arg, fn, __mpidr);
+	unpause_graph_tracing();
+
+	return ret;
 }
 #define	idmap_pgd	NULL
 #endif
diff --git linux-libre-5.4.120-gnu/arch/arm64/include/asm/kvm_host.h linux-libre-5.4.121-gnu/arch/arm64/include/asm/kvm_host.h
index dfa6dc4575be..697702a1a1ff 100644
--- linux-libre-5.4.120-gnu/arch/arm64/include/asm/kvm_host.h
+++ linux-libre-5.4.121-gnu/arch/arm64/include/asm/kvm_host.h
@@ -552,6 +552,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
 
 void kvm_arm_init_debug(void);
+void kvm_arm_vcpu_init_debug(struct kvm_vcpu *vcpu);
 void kvm_arm_setup_debug(struct kvm_vcpu *vcpu);
 void kvm_arm_clear_debug(struct kvm_vcpu *vcpu);
 void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu);
diff --git linux-libre-5.4.120-gnu/arch/arm64/kvm/debug.c linux-libre-5.4.121-gnu/arch/arm64/kvm/debug.c
index dbc890511631..2484b2cca74b 100644
--- linux-libre-5.4.120-gnu/arch/arm64/kvm/debug.c
+++ linux-libre-5.4.121-gnu/arch/arm64/kvm/debug.c
@@ -68,6 +68,64 @@ void kvm_arm_init_debug(void)
 	__this_cpu_write(mdcr_el2, kvm_call_hyp_ret(__kvm_get_mdcr_el2));
 }
 
+/**
+ * kvm_arm_setup_mdcr_el2 - configure vcpu mdcr_el2 value
+ *
+ * @vcpu:	the vcpu pointer
+ *
+ * This ensures we will trap access to:
+ *  - Performance monitors (MDCR_EL2_TPM/MDCR_EL2_TPMCR)
+ *  - Debug ROM Address (MDCR_EL2_TDRA)
+ *  - OS related registers (MDCR_EL2_TDOSA)
+ *  - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
+ *  - Self-hosted Trace Filter controls (MDCR_EL2_TTRF)
+ */
+static void kvm_arm_setup_mdcr_el2(struct kvm_vcpu *vcpu)
+{
+	/*
+	 * This also clears MDCR_EL2_E2PB_MASK to disable guest access
+	 * to the profiling buffer.
+	 */
+	vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
+	vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
+				MDCR_EL2_TPMS |
+				MDCR_EL2_TTRF |
+				MDCR_EL2_TPMCR |
+				MDCR_EL2_TDRA |
+				MDCR_EL2_TDOSA);
+
+	/* Is the VM being debugged by userspace? */
+	if (vcpu->guest_debug)
+		/* Route all software debug exceptions to EL2 */
+		vcpu->arch.mdcr_el2 |= MDCR_EL2_TDE;
+
+	/*
+	 * Trap debug register access when one of the following is true:
+	 *  - Userspace is using the hardware to debug the guest
+	 *  (KVM_GUESTDBG_USE_HW is set).
+	 *  - The guest is not using debug (KVM_ARM64_DEBUG_DIRTY is clear).
+	 */
+	if ((vcpu->guest_debug & KVM_GUESTDBG_USE_HW) ||
+	    !(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY))
+		vcpu->arch.mdcr_el2 |= MDCR_EL2_TDA;
+
+	trace_kvm_arm_set_dreg32("MDCR_EL2", vcpu->arch.mdcr_el2);
+}
+
+/**
+ * kvm_arm_vcpu_init_debug - setup vcpu debug traps
+ *
+ * @vcpu:	the vcpu pointer
+ *
+ * Set vcpu initial mdcr_el2 value.
+ */
+void kvm_arm_vcpu_init_debug(struct kvm_vcpu *vcpu)
+{
+	preempt_disable();
+	kvm_arm_setup_mdcr_el2(vcpu);
+	preempt_enable();
+}
+
 /**
  * kvm_arm_reset_debug_ptr - reset the debug ptr to point to the vcpu state
  */
@@ -83,13 +141,7 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
  * @vcpu:	the vcpu pointer
  *
  * This is called before each entry into the hypervisor to setup any
- * debug related registers. Currently this just ensures we will trap
- * access to:
- *  - Performance monitors (MDCR_EL2_TPM/MDCR_EL2_TPMCR)
- *  - Debug ROM Address (MDCR_EL2_TDRA)
- *  - OS related registers (MDCR_EL2_TDOSA)
- *  - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
- *  - Self-hosted Trace Filter controls (MDCR_EL2_TTRF)
+ * debug related registers.
  *
  * Additionally, KVM only traps guest accesses to the debug registers if
  * the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
@@ -101,28 +153,14 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
 
 void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
 {
-	bool trap_debug = !(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY);
 	unsigned long mdscr, orig_mdcr_el2 = vcpu->arch.mdcr_el2;
 
 	trace_kvm_arm_setup_debug(vcpu, vcpu->guest_debug);
 
-	/*
-	 * This also clears MDCR_EL2_E2PB_MASK to disable guest access
-	 * to the profiling buffer.
-	 */
-	vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
-	vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
-				MDCR_EL2_TPMS |
-				MDCR_EL2_TTRF |
-				MDCR_EL2_TPMCR |
-				MDCR_EL2_TDRA |
-				MDCR_EL2_TDOSA);
+	kvm_arm_setup_mdcr_el2(vcpu);
 
 	/* Is Guest debugging in effect? */
 	if (vcpu->guest_debug) {
-		/* Route all software debug exceptions to EL2 */
-		vcpu->arch.mdcr_el2 |= MDCR_EL2_TDE;
-
 		/* Save guest debug state */
 		save_guest_debug_regs(vcpu);
 
@@ -176,7 +214,6 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
 
 			vcpu->arch.debug_ptr = &vcpu->arch.external_debug_state;
 			vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
-			trap_debug = true;
 
 			trace_kvm_arm_set_regset("BKPTS", get_num_brps(),
 						&vcpu->arch.debug_ptr->dbg_bcr[0],
@@ -191,10 +228,6 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
 	BUG_ON(!vcpu->guest_debug &&
 		vcpu->arch.debug_ptr != &vcpu->arch.vcpu_debug_state);
 
-	/* Trap debug register access */
-	if (trap_debug)
-		vcpu->arch.mdcr_el2 |= MDCR_EL2_TDA;
-
 	/* If KDE or MDE are set, perform a full save/restore cycle. */
 	if (vcpu_read_sys_reg(vcpu, MDSCR_EL1) & (DBG_MDSCR_KDE | DBG_MDSCR_MDE))
 		vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
@@ -203,7 +236,6 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
 	if (has_vhe() && orig_mdcr_el2 != vcpu->arch.mdcr_el2)
 		write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2);
 
-	trace_kvm_arm_set_dreg32("MDCR_EL2", vcpu->arch.mdcr_el2);
 	trace_kvm_arm_set_dreg32("MDSCR_EL1", vcpu_read_sys_reg(vcpu, MDSCR_EL1));
 }
 
diff --git linux-libre-5.4.120-gnu/arch/ia64/scripts/unwcheck.py linux-libre-5.4.121-gnu/arch/ia64/scripts/unwcheck.py
index c55276e31b6b..bfd1b671e35f 100644
--- linux-libre-5.4.120-gnu/arch/ia64/scripts/unwcheck.py
+++ linux-libre-5.4.121-gnu/arch/ia64/scripts/unwcheck.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # SPDX-License-Identifier: GPL-2.0
 #
 # Usage: unwcheck.py FILE
diff --git linux-libre-5.4.120-gnu/arch/riscv/include/asm/ftrace.h linux-libre-5.4.121-gnu/arch/riscv/include/asm/ftrace.h
index 02fbc175142e..693c3839a7df 100644
--- linux-libre-5.4.120-gnu/arch/riscv/include/asm/ftrace.h
+++ linux-libre-5.4.121-gnu/arch/riscv/include/asm/ftrace.h
@@ -10,9 +10,19 @@
 #endif
 #define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
 
+/*
+ * Clang prior to 13 had "mcount" instead of "_mcount":
+ * https://reviews.llvm.org/D98881
+ */
+#if defined(CONFIG_CC_IS_GCC) || CONFIG_CLANG_VERSION >= 130000
+#define MCOUNT_NAME _mcount
+#else
+#define MCOUNT_NAME mcount
+#endif
+
 #define ARCH_SUPPORTS_FTRACE_OPS 1
 #ifndef __ASSEMBLY__
-void _mcount(void);
+void MCOUNT_NAME(void);
 static inline unsigned long ftrace_call_adjust(unsigned long addr)
 {
 	return addr;
@@ -33,7 +43,7 @@ struct dyn_arch_ftrace {
  * both auipc and jalr at the same time.
  */
 
-#define MCOUNT_ADDR		((unsigned long)_mcount)
+#define MCOUNT_ADDR		((unsigned long)MCOUNT_NAME)
 #define JALR_SIGN_MASK		(0x00000800)
 #define JALR_OFFSET_MASK	(0x00000fff)
 #define AUIPC_OFFSET_MASK	(0xfffff000)
diff --git linux-libre-5.4.120-gnu/arch/riscv/kernel/mcount.S linux-libre-5.4.121-gnu/arch/riscv/kernel/mcount.S
index 8a5593ff9ff3..6d462681c9c0 100644
--- linux-libre-5.4.120-gnu/arch/riscv/kernel/mcount.S
+++ linux-libre-5.4.121-gnu/arch/riscv/kernel/mcount.S
@@ -47,8 +47,8 @@
 
 ENTRY(ftrace_stub)
 #ifdef CONFIG_DYNAMIC_FTRACE
-       .global _mcount
-       .set    _mcount, ftrace_stub
+       .global MCOUNT_NAME
+       .set    MCOUNT_NAME, ftrace_stub
 #endif
 	ret
 ENDPROC(ftrace_stub)
@@ -78,7 +78,7 @@ ENDPROC(return_to_handler)
 #endif
 
 #ifndef CONFIG_DYNAMIC_FTRACE
-ENTRY(_mcount)
+ENTRY(MCOUNT_NAME)
 	la	t4, ftrace_stub
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 	la	t0, ftrace_graph_return
@@ -124,6 +124,6 @@ do_trace:
 	jalr	t5
 	RESTORE_ABI_STATE
 	ret
-ENDPROC(_mcount)
+ENDPROC(MCOUNT_NAME)
 #endif
-EXPORT_SYMBOL(_mcount)
+EXPORT_SYMBOL(MCOUNT_NAME)
diff --git linux-libre-5.4.120-gnu/arch/um/Kconfig.debug linux-libre-5.4.121-gnu/arch/um/Kconfig.debug
index 85726eeec345..e4a0f12f20d9 100644
--- linux-libre-5.4.120-gnu/arch/um/Kconfig.debug
+++ linux-libre-5.4.121-gnu/arch/um/Kconfig.debug
@@ -17,6 +17,7 @@ config GCOV
 	bool "Enable gcov support"
 	depends on DEBUG_INFO
 	depends on !KCOV
+	depends on !MODULES
 	help
 	  This option allows developers to retrieve coverage data from a UML
 	  session.
diff --git linux-libre-5.4.120-gnu/arch/um/kernel/Makefile linux-libre-5.4.121-gnu/arch/um/kernel/Makefile
index 5aa882011e04..e698e0c7dbdc 100644
--- linux-libre-5.4.120-gnu/arch/um/kernel/Makefile
+++ linux-libre-5.4.121-gnu/arch/um/kernel/Makefile
@@ -21,7 +21,6 @@ obj-y = config.o exec.o exitcode.o irq.o ksyms.o mem.o \
 
 obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
 obj-$(CONFIG_GPROF)	+= gprof_syms.o
-obj-$(CONFIG_GCOV)	+= gmon_syms.o
 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
 
diff --git linux-libre-5.4.120-gnu/arch/um/kernel/dyn.lds.S linux-libre-5.4.121-gnu/arch/um/kernel/dyn.lds.S
index f5001481010c..a82ec0113321 100644
--- linux-libre-5.4.120-gnu/arch/um/kernel/dyn.lds.S
+++ linux-libre-5.4.121-gnu/arch/um/kernel/dyn.lds.S
@@ -6,6 +6,12 @@ OUTPUT_ARCH(ELF_ARCH)
 ENTRY(_start)
 jiffies = jiffies_64;
 
+VERSION {
+  {
+    local: *;
+  };
+}
+
 SECTIONS
 {
   PROVIDE (__executable_start = START);
diff --git linux-libre-5.4.120-gnu/arch/um/kernel/gmon_syms.c linux-libre-5.4.121-gnu/arch/um/kernel/gmon_syms.c
deleted file mode 100644
index 9361a8eb9bf1..000000000000
--- linux-libre-5.4.120-gnu/arch/um/kernel/gmon_syms.c
+++ /dev/null
@@ -1,16 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- */
-
-#include <linux/module.h>
-
-extern void __bb_init_func(void *)  __attribute__((weak));
-EXPORT_SYMBOL(__bb_init_func);
-
-extern void __gcov_init(void *)  __attribute__((weak));
-EXPORT_SYMBOL(__gcov_init);
-extern void __gcov_merge_add(void *, unsigned int)  __attribute__((weak));
-EXPORT_SYMBOL(__gcov_merge_add);
-extern void __gcov_exit(void)  __attribute__((weak));
-EXPORT_SYMBOL(__gcov_exit);
diff --git linux-libre-5.4.120-gnu/arch/um/kernel/uml.lds.S linux-libre-5.4.121-gnu/arch/um/kernel/uml.lds.S
index 9f21443be2c9..85b404d068f4 100644
--- linux-libre-5.4.120-gnu/arch/um/kernel/uml.lds.S
+++ linux-libre-5.4.121-gnu/arch/um/kernel/uml.lds.S
@@ -7,6 +7,12 @@ OUTPUT_ARCH(ELF_ARCH)
 ENTRY(_start)
 jiffies = jiffies_64;
 
+VERSION {
+  {
+    local: *;
+  };
+}
+
 SECTIONS
 {
   /* This must contain the right address - not quite the default ELF one.*/
diff --git linux-libre-5.4.120-gnu/arch/x86/lib/msr-smp.c linux-libre-5.4.121-gnu/arch/x86/lib/msr-smp.c
index fee8b9c0520c..9009393f44c7 100644
--- linux-libre-5.4.120-gnu/arch/x86/lib/msr-smp.c
+++ linux-libre-5.4.121-gnu/arch/x86/lib/msr-smp.c
@@ -253,7 +253,7 @@ static void __wrmsr_safe_regs_on_cpu(void *info)
 	rv->err = wrmsr_safe_regs(rv->regs);
 }
 
-int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
+int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
 {
 	int err;
 	struct msr_regs_info rv;
@@ -266,7 +266,7 @@ int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
 }
 EXPORT_SYMBOL(rdmsr_safe_regs_on_cpu);
 
-int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
+int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
 {
 	int err;
 	struct msr_regs_info rv;
diff --git linux-libre-5.4.120-gnu/drivers/dma/dw-edma/dw-edma-core.c linux-libre-5.4.121-gnu/drivers/dma/dw-edma/dw-edma-core.c
index 31577316f80b..afbd1a459019 100644
--- linux-libre-5.4.120-gnu/drivers/dma/dw-edma/dw-edma-core.c
+++ linux-libre-5.4.121-gnu/drivers/dma/dw-edma/dw-edma-core.c
@@ -910,22 +910,21 @@ int dw_edma_remove(struct dw_edma_chip *chip)
 	/* Power management */
 	pm_runtime_disable(dev);
 
+	/* Deregister eDMA device */
+	dma_async_device_unregister(&dw->wr_edma);
 	list_for_each_entry_safe(chan, _chan, &dw->wr_edma.channels,
 				 vc.chan.device_node) {
-		list_del(&chan->vc.chan.device_node);
 		tasklet_kill(&chan->vc.task);
+		list_del(&chan->vc.chan.device_node);
 	}
 
+	dma_async_device_unregister(&dw->rd_edma);
 	list_for_each_entry_safe(chan, _chan, &dw->rd_edma.channels,
 				 vc.chan.device_node) {
-		list_del(&chan->vc.chan.device_node);
 		tasklet_kill(&chan->vc.task);
+		list_del(&chan->vc.chan.device_node);
 	}
 
-	/* Deregister eDMA device */
-	dma_async_device_unregister(&dw->wr_edma);
-	dma_async_device_unregister(&dw->rd_edma);
-
 	/* Turn debugfs off */
 	dw_edma_v0_core_debugfs_off();
 
diff --git linux-libre-5.4.120-gnu/drivers/gpio/gpiolib-acpi.c linux-libre-5.4.121-gnu/drivers/gpio/gpiolib-acpi.c
index 66dcab6ab26d..e3ddc99c105d 100644
--- linux-libre-5.4.120-gnu/drivers/gpio/gpiolib-acpi.c
+++ linux-libre-5.4.121-gnu/drivers/gpio/gpiolib-acpi.c
@@ -1394,6 +1394,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = {
 			.no_edge_events_on_boot = true,
 		},
 	},
+	{
+		/*
+		 * The Dell Venue 10 Pro 5055, with Bay Trail SoC + TI PMIC uses an
+		 * external embedded-controller connected via I2C + an ACPI GPIO
+		 * event handler on INT33FFC:02 pin 12, causing spurious wakeups.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Venue 10 Pro 5055"),
+		},
+		.driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+			.ignore_wake = "INT33FC:02@12",
+		},
+	},
 	{
 		/*
 		 * HP X2 10 models with Cherry Trail SoC + TI PMIC use an
diff --git linux-libre-5.4.120-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c linux-libre-5.4.121-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 94cb794fb915..2867366dbd57 100644
--- linux-libre-5.4.120-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ linux-libre-5.4.121-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7267,6 +7267,53 @@ static int add_affected_mst_dsc_crtcs(struct drm_atomic_state *state, struct drm
 }
 #endif
 
+static int validate_overlay(struct drm_atomic_state *state)
+{
+	int i;
+	struct drm_plane *plane;
+	struct drm_plane_state *old_plane_state, *new_plane_state;
+	struct drm_plane_state *primary_state, *overlay_state = NULL;
+
+	/* Check if primary plane is contained inside overlay */
+	for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
+		if (plane->type == DRM_PLANE_TYPE_OVERLAY) {
+			if (drm_atomic_plane_disabling(plane->state, new_plane_state))
+				return 0;
+
+			overlay_state = new_plane_state;
+			continue;
+		}
+	}
+
+	/* check if we're making changes to the overlay plane */
+	if (!overlay_state)
+		return 0;
+
+	/* check if overlay plane is enabled */
+	if (!overlay_state->crtc)
+		return 0;
+
+	/* find the primary plane for the CRTC that the overlay is enabled on */
+	primary_state = drm_atomic_get_plane_state(state, overlay_state->crtc->primary);
+	if (IS_ERR(primary_state))
+		return PTR_ERR(primary_state);
+
+	/* check if primary plane is enabled */
+	if (!primary_state->crtc)
+		return 0;
+
+	/* Perform the bounds check to ensure the overlay plane covers the primary */
+	if (primary_state->crtc_x < overlay_state->crtc_x ||
+	    primary_state->crtc_y < overlay_state->crtc_y ||
+	    primary_state->crtc_x + primary_state->crtc_w > overlay_state->crtc_x + overlay_state->crtc_w ||
+	    primary_state->crtc_y + primary_state->crtc_h > overlay_state->crtc_y + overlay_state->crtc_h) {
+		DRM_DEBUG_ATOMIC("Overlay plane is enabled with hardware cursor but does not fully cover primary plane\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /**
  * amdgpu_dm_atomic_check() - Atomic check implementation for AMDgpu DM.
  * @dev: The DRM device
@@ -7440,6 +7487,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 			goto fail;
 	}
 
+	ret = validate_overlay(state);
+	if (ret)
+		goto fail;
+
 	/* Add new/modified planes */
 	for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
 		ret = dm_update_plane_state(dc, state, plane,
diff --git linux-libre-5.4.120-gnu/drivers/input/touchscreen/elants_i2c.c linux-libre-5.4.121-gnu/drivers/input/touchscreen/elants_i2c.c
index d76d9d4055c0..d1eaf0e6a4ed 100644
--- linux-libre-5.4.120-gnu/drivers/input/touchscreen/elants_i2c.c
+++ linux-libre-5.4.121-gnu/drivers/input/touchscreen/elants_i2c.c
@@ -36,6 +36,7 @@
 #include <linux/of.h>
 #include <linux/gpio/consumer.h>
 #include <linux/regulator/consumer.h>
+#include <linux/uuid.h>
 #include <asm/unaligned.h>
 
 /* Device, Driver information */
@@ -1127,6 +1128,40 @@ static void elants_i2c_power_off(void *_data)
 	}
 }
 
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id i2c_hid_ids[] = {
+	{"ACPI0C50", 0 },
+	{"PNP0C50", 0 },
+	{ },
+};
+
+static const guid_t i2c_hid_guid =
+	GUID_INIT(0x3CDFF6F7, 0x4267, 0x4555,
+		  0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE);
+
+static bool elants_acpi_is_hid_device(struct device *dev)
+{
+	acpi_handle handle = ACPI_HANDLE(dev);
+	union acpi_object *obj;
+
+	if (acpi_match_device_ids(ACPI_COMPANION(dev), i2c_hid_ids))
+		return false;
+
+	obj = acpi_evaluate_dsm_typed(handle, &i2c_hid_guid, 1, 1, NULL, ACPI_TYPE_INTEGER);
+	if (obj) {
+		ACPI_FREE(obj);
+		return true;
+	}
+
+	return false;
+}
+#else
+static bool elants_acpi_is_hid_device(struct device *dev)
+{
+	return false;
+}
+#endif
+
 static int elants_i2c_probe(struct i2c_client *client,
 			    const struct i2c_device_id *id)
 {
@@ -1135,9 +1170,14 @@ static int elants_i2c_probe(struct i2c_client *client,
 	unsigned long irqflags;
 	int error;
 
+	/* Don't bind to i2c-hid compatible devices, these are handled by the i2c-hid drv. */
+	if (elants_acpi_is_hid_device(&client->dev)) {
+		dev_warn(&client->dev, "This device appears to be an I2C-HID device, not binding\n");
+		return -ENODEV;
+	}
+
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
-		dev_err(&client->dev,
-			"%s: i2c check functionality error\n", DEVICE_NAME);
+		dev_err(&client->dev, "I2C check functionality error\n");
 		return -ENXIO;
 	}
 
diff --git linux-libre-5.4.120-gnu/drivers/input/touchscreen/silead.c linux-libre-5.4.121-gnu/drivers/input/touchscreen/silead.c
index f227120e08e6..7ff61d394ff4 100644
--- linux-libre-5.4.120-gnu/drivers/input/touchscreen/silead.c
+++ linux-libre-5.4.121-gnu/drivers/input/touchscreen/silead.c
@@ -20,6 +20,7 @@
 #include <linux/input/mt.h>
 #include <linux/input/touchscreen.h>
 #include <linux/pm.h>
+#include <linux/pm_runtime.h>
 #include <linux/irq.h>
 #include <linux/regulator/consumer.h>
 
@@ -335,10 +336,8 @@ static int silead_ts_get_id(struct i2c_client *client)
 
 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_ID,
 					      sizeof(chip_id), (u8 *)&chip_id);
-	if (error < 0) {
-		dev_err(&client->dev, "Chip ID read error %d\n", error);
+	if (error < 0)
 		return error;
-	}
 
 	data->chip_id = le32_to_cpu(chip_id);
 	dev_info(&client->dev, "Silead chip ID: 0x%8X", data->chip_id);
@@ -351,12 +350,49 @@ static int silead_ts_setup(struct i2c_client *client)
 	int error;
 	u32 status;
 
+	/*
+	 * Some buggy BIOS-es bring up the chip in a stuck state where it
+	 * blocks the I2C bus. The following steps are necessary to
+	 * unstuck the chip / bus:
+	 * 1. Turn off the Silead chip.
+	 * 2. Try to do an I2C transfer with the chip, this will fail in
+	 *    response to which the I2C-bus-driver will call:
+	 *    i2c_recover_bus() which will unstuck the I2C-bus. Note the
+	 *    unstuck-ing of the I2C bus only works if we first drop the
+	 *    chip off the bus by turning it off.
+	 * 3. Turn the chip back on.
+	 *
+	 * On the x86/ACPI systems were this problem is seen, step 1. and
+	 * 3. require making ACPI calls and dealing with ACPI Power
+	 * Resources. The workaround below runtime-suspends the chip to
+	 * turn it off, leaving it up to the ACPI subsystem to deal with
+	 * this.
+	 */
+
+	if (device_property_read_bool(&client->dev,
+				      "silead,stuck-controller-bug")) {
+		pm_runtime_set_active(&client->dev);
+		pm_runtime_enable(&client->dev);
+		pm_runtime_allow(&client->dev);
+
+		pm_runtime_suspend(&client->dev);
+
+		dev_warn(&client->dev, FW_BUG "Stuck I2C bus: please ignore the next 'controller timed out' error\n");
+		silead_ts_get_id(client);
+
+		/* The forbid will also resume the device */
+		pm_runtime_forbid(&client->dev);
+		pm_runtime_disable(&client->dev);
+	}
+
 	silead_ts_set_power(client, SILEAD_POWER_OFF);
 	silead_ts_set_power(client, SILEAD_POWER_ON);
 
 	error = silead_ts_get_id(client);
-	if (error)
+	if (error) {
+		dev_err(&client->dev, "Chip ID read error %d\n", error);
 		return error;
+	}
 
 	error = silead_ts_init(client);
 	if (error)
diff --git linux-libre-5.4.120-gnu/drivers/isdn/capi/kcapi.c linux-libre-5.4.121-gnu/drivers/isdn/capi/kcapi.c
index a4ceb61c5b60..18de41a266eb 100644
--- linux-libre-5.4.120-gnu/drivers/isdn/capi/kcapi.c
+++ linux-libre-5.4.121-gnu/drivers/isdn/capi/kcapi.c
@@ -846,7 +846,7 @@ EXPORT_SYMBOL(capi20_put_message);
  * Return value: CAPI result code
  */
 
-u16 capi20_get_manufacturer(u32 contr, u8 *buf)
+u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN])
 {
 	struct capi_ctr *ctr;
 	u16 ret;
@@ -916,7 +916,7 @@ EXPORT_SYMBOL(capi20_get_version);
  * Return value: CAPI result code
  */
 
-u16 capi20_get_serial(u32 contr, u8 *serial)
+u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN])
 {
 	struct capi_ctr *ctr;
 	u16 ret;
diff --git linux-libre-5.4.120-gnu/drivers/misc/kgdbts.c linux-libre-5.4.121-gnu/drivers/misc/kgdbts.c
index bccd341e9ae1..5c183c02dfd9 100644
--- linux-libre-5.4.120-gnu/drivers/misc/kgdbts.c
+++ linux-libre-5.4.121-gnu/drivers/misc/kgdbts.c
@@ -95,19 +95,19 @@
 
 #include <asm/sections.h>
 
-#define v1printk(a...) do { \
-	if (verbose) \
-		printk(KERN_INFO a); \
-	} while (0)
-#define v2printk(a...) do { \
-	if (verbose > 1) \
-		printk(KERN_INFO a); \
-		touch_nmi_watchdog();	\
-	} while (0)
-#define eprintk(a...) do { \
-		printk(KERN_ERR a); \
-		WARN_ON(1); \
-	} while (0)
+#define v1printk(a...) do {		\
+	if (verbose)			\
+		printk(KERN_INFO a);	\
+} while (0)
+#define v2printk(a...) do {		\
+	if (verbose > 1)		\
+		printk(KERN_INFO a);	\
+	touch_nmi_watchdog();		\
+} while (0)
+#define eprintk(a...) do {		\
+	printk(KERN_ERR a);		\
+	WARN_ON(1);			\
+} while (0)
 #define MAX_CONFIG_LEN		40
 
 static struct kgdb_io kgdbts_io_ops;
diff --git linux-libre-5.4.120-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c linux-libre-5.4.121-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index 2ce96cc1bad4..66ca51279018 100644
--- linux-libre-5.4.120-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ linux-libre-5.4.121-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -2690,7 +2690,7 @@ do { \
 	seq_printf(seq, "%-12s", s); \
 	for (i = 0; i < n; ++i) \
 		seq_printf(seq, " %16" fmt_spec, v); \
-		seq_putc(seq, '\n'); \
+	seq_putc(seq, '\n'); \
 } while (0)
 #define S(s, v) S3("s", s, v)
 #define T3(fmt_spec, s, v) S3(fmt_spec, s, tx[i].v)
diff --git linux-libre-5.4.120-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c linux-libre-5.4.121-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
index a41ac13cc4e5..0d993f4b701c 100644
--- linux-libre-5.4.120-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ linux-libre-5.4.121-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -211,7 +211,7 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode,
 				       u32 channel, int fifosz, u8 qmode)
 {
 	unsigned int rqs = fifosz / 256 - 1;
-	u32 mtl_rx_op, mtl_rx_int;
+	u32 mtl_rx_op;
 
 	mtl_rx_op = readl(ioaddr + MTL_CHAN_RX_OP_MODE(channel));
 
@@ -282,11 +282,6 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode,
 	}
 
 	writel(mtl_rx_op, ioaddr + MTL_CHAN_RX_OP_MODE(channel));
-
-	/* Enable MTL RX overflow */
-	mtl_rx_int = readl(ioaddr + MTL_CHAN_INT_CTRL(channel));
-	writel(mtl_rx_int | MTL_RX_OVERFLOW_INT_EN,
-	       ioaddr + MTL_CHAN_INT_CTRL(channel));
 }
 
 static void dwmac4_dma_tx_chan_op_mode(void __iomem *ioaddr, int mode,
diff --git linux-libre-5.4.120-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c linux-libre-5.4.121-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 8e7c60e02fa0..10d28be73f45 100644
--- linux-libre-5.4.120-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ linux-libre-5.4.121-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3855,7 +3855,6 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
 	/* To handle GMAC own interrupts */
 	if ((priv->plat->has_gmac) || xmac) {
 		int status = stmmac_host_irq_status(priv, priv->hw, &priv->xstats);
-		int mtl_status;
 
 		if (unlikely(status)) {
 			/* For LPI we need to save the tx status */
@@ -3866,17 +3865,8 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
 		}
 
 		for (queue = 0; queue < queues_count; queue++) {
-			struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
-
-			mtl_status = stmmac_host_mtl_irq_status(priv, priv->hw,
-								queue);
-			if (mtl_status != -EINVAL)
-				status |= mtl_status;
-
-			if (status & CORE_IRQ_MTL_RX_OVERFLOW)
-				stmmac_set_rx_tail_ptr(priv, priv->ioaddr,
-						       rx_q->rx_tail_addr,
-						       queue);
+			status = stmmac_host_mtl_irq_status(priv, priv->hw,
+							    queue);
 		}
 
 		/* PCS link status */
diff --git linux-libre-5.4.120-gnu/drivers/net/virtio_net.c linux-libre-5.4.121-gnu/drivers/net/virtio_net.c
index b67460864b3c..d8ee001d8e8e 100644
--- linux-libre-5.4.120-gnu/drivers/net/virtio_net.c
+++ linux-libre-5.4.121-gnu/drivers/net/virtio_net.c
@@ -406,9 +406,13 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi,
 	offset += hdr_padded_len;
 	p += hdr_padded_len;
 
-	copy = len;
-	if (copy > skb_tailroom(skb))
-		copy = skb_tailroom(skb);
+	/* Copy all frame if it fits skb->head, otherwise
+	 * we let virtio_net_hdr_to_skb() and GRO pull headers as needed.
+	 */
+	if (len <= skb_tailroom(skb))
+		copy = len;
+	else
+		copy = ETH_HLEN + metasize;
 	skb_put_data(skb, p, copy);
 
 	if (metasize) {
diff --git linux-libre-5.4.120-gnu/drivers/pci/controller/pci-thunder-ecam.c linux-libre-5.4.121-gnu/drivers/pci/controller/pci-thunder-ecam.c
index 32d1d7b81ef4..18715d2ce022 100644
--- linux-libre-5.4.120-gnu/drivers/pci/controller/pci-thunder-ecam.c
+++ linux-libre-5.4.121-gnu/drivers/pci/controller/pci-thunder-ecam.c
@@ -116,7 +116,7 @@ static int thunder_ecam_p2_config_read(struct pci_bus *bus, unsigned int devfn,
 	 * the config space access window.  Since we are working with
 	 * the high-order 32 bits, shift everything down by 32 bits.
 	 */
-	node_bits = (cfg->res.start >> 32) & (1 << 12);
+	node_bits = upper_32_bits(cfg->res.start) & (1 << 12);
 
 	v |= node_bits;
 	set_val(v, where, size, val);
diff --git linux-libre-5.4.120-gnu/drivers/pci/controller/pci-thunder-pem.c linux-libre-5.4.121-gnu/drivers/pci/controller/pci-thunder-pem.c
index f127ce8bd4ef..1650ec2c35f9 100644
--- linux-libre-5.4.120-gnu/drivers/pci/controller/pci-thunder-pem.c
+++ linux-libre-5.4.121-gnu/drivers/pci/controller/pci-thunder-pem.c
@@ -11,6 +11,7 @@
 #include <linux/pci-acpi.h>
 #include <linux/pci-ecam.h>
 #include <linux/platform_device.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
 #include "../pci.h"
 
 #if defined(CONFIG_PCI_HOST_THUNDER_PEM) || (defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS))
@@ -314,9 +315,9 @@ static int thunder_pem_init(struct device *dev, struct pci_config_window *cfg,
 	 * structure here for the BAR.
 	 */
 	bar4_start = res_pem->start + 0xf00000;
-	pem_pci->ea_entry[0] = (u32)bar4_start | 2;
-	pem_pci->ea_entry[1] = (u32)(res_pem->end - bar4_start) & ~3u;
-	pem_pci->ea_entry[2] = (u32)(bar4_start >> 32);
+	pem_pci->ea_entry[0] = lower_32_bits(bar4_start) | 2;
+	pem_pci->ea_entry[1] = lower_32_bits(res_pem->end - bar4_start) & ~3u;
+	pem_pci->ea_entry[2] = upper_32_bits(bar4_start);
 
 	cfg->priv = pem_pci;
 	return 0;
@@ -324,9 +325,9 @@ static int thunder_pem_init(struct device *dev, struct pci_config_window *cfg,
 
 #if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)
 
-#define PEM_RES_BASE		0x87e0c0000000UL
-#define PEM_NODE_MASK		GENMASK(45, 44)
-#define PEM_INDX_MASK		GENMASK(26, 24)
+#define PEM_RES_BASE		0x87e0c0000000ULL
+#define PEM_NODE_MASK		GENMASK_ULL(45, 44)
+#define PEM_INDX_MASK		GENMASK_ULL(26, 24)
 #define PEM_MIN_DOM_IN_NODE	4
 #define PEM_MAX_DOM_IN_NODE	10
 
diff --git linux-libre-5.4.120-gnu/drivers/pci/hotplug/acpiphp_glue.c linux-libre-5.4.121-gnu/drivers/pci/hotplug/acpiphp_glue.c
index 6e60b4b1bf53..98be06ac2af2 100644
--- linux-libre-5.4.120-gnu/drivers/pci/hotplug/acpiphp_glue.c
+++ linux-libre-5.4.121-gnu/drivers/pci/hotplug/acpiphp_glue.c
@@ -540,6 +540,7 @@ static void enable_slot(struct acpiphp_slot *slot, bool bridge)
 			slot->flags &= ~SLOT_ENABLED;
 			continue;
 		}
+		pci_dev_put(dev);
 	}
 }
 
diff --git linux-libre-5.4.120-gnu/drivers/pci/pci.h linux-libre-5.4.121-gnu/drivers/pci/pci.h
index a5adc2e2c351..572c2f0a2f0c 100644
--- linux-libre-5.4.120-gnu/drivers/pci/pci.h
+++ linux-libre-5.4.121-gnu/drivers/pci/pci.h
@@ -588,6 +588,12 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)
 #if defined(CONFIG_PCI_QUIRKS) && defined(CONFIG_ARM64)
 int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment,
 			  struct resource *res);
+#else
+static inline int acpi_get_rc_resources(struct device *dev, const char *hid,
+					u16 segment, struct resource *res)
+{
+	return -ENODEV;
+}
 #endif
 
 u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar);
diff --git linux-libre-5.4.120-gnu/drivers/pinctrl/pinctrl-ingenic.c linux-libre-5.4.121-gnu/drivers/pinctrl/pinctrl-ingenic.c
index 61e7d938d4c5..91596eee0bda 100644
--- linux-libre-5.4.120-gnu/drivers/pinctrl/pinctrl-ingenic.c
+++ linux-libre-5.4.121-gnu/drivers/pinctrl/pinctrl-ingenic.c
@@ -1846,7 +1846,8 @@ static int ingenic_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
 			break;
 
 		default:
-			unreachable();
+			/* unreachable */
+			break;
 		}
 	}
 
diff --git linux-libre-5.4.120-gnu/drivers/scsi/lpfc/lpfc_sli.c linux-libre-5.4.121-gnu/drivers/scsi/lpfc/lpfc_sli.c
index ef7cef316d21..795460eda6a5 100644
--- linux-libre-5.4.120-gnu/drivers/scsi/lpfc/lpfc_sli.c
+++ linux-libre-5.4.121-gnu/drivers/scsi/lpfc/lpfc_sli.c
@@ -11337,13 +11337,20 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
 			   lpfc_ctx_cmd ctx_cmd)
 {
 	struct lpfc_io_buf *lpfc_cmd;
+	IOCB_t *icmd = NULL;
 	int rc = 1;
 
 	if (iocbq->vport != vport)
 		return rc;
 
-	if (!(iocbq->iocb_flag &  LPFC_IO_FCP) ||
-	    !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ))
+	if (!(iocbq->iocb_flag & LPFC_IO_FCP) ||
+	    !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ) ||
+	      iocbq->iocb_flag & LPFC_DRIVER_ABORTED)
+		return rc;
+
+	icmd = &iocbq->iocb;
+	if (icmd->ulpCommand == CMD_ABORT_XRI_CN ||
+	    icmd->ulpCommand == CMD_CLOSE_XRI_CN)
 		return rc;
 
 	lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq);
diff --git linux-libre-5.4.120-gnu/drivers/target/target_core_user.c linux-libre-5.4.121-gnu/drivers/target/target_core_user.c
index d6634baebb47..71144e33272a 100644
--- linux-libre-5.4.120-gnu/drivers/target/target_core_user.c
+++ linux-libre-5.4.121-gnu/drivers/target/target_core_user.c
@@ -1205,7 +1205,7 @@ static void tcmu_set_next_deadline(struct list_head *queue,
 		del_timer(timer);
 }
 
-static unsigned int tcmu_handle_completions(struct tcmu_dev *udev)
+static bool tcmu_handle_completions(struct tcmu_dev *udev)
 {
 	struct tcmu_mailbox *mb;
 	struct tcmu_cmd *cmd;
@@ -1245,7 +1245,7 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev)
 			pr_err("cmd_id %u not found, ring is broken\n",
 			       entry->hdr.cmd_id);
 			set_bit(TCMU_DEV_BIT_BROKEN, &udev->flags);
-			break;
+			return false;
 		}
 
 		tcmu_handle_completion(cmd, entry);
diff --git linux-libre-5.4.120-gnu/drivers/usb/host/sl811-hcd.c linux-libre-5.4.121-gnu/drivers/usb/host/sl811-hcd.c
index 72a34a1eb618..936fddc6d820 100644
--- linux-libre-5.4.120-gnu/drivers/usb/host/sl811-hcd.c
+++ linux-libre-5.4.121-gnu/drivers/usb/host/sl811-hcd.c
@@ -1287,11 +1287,10 @@ sl811h_hub_control(
 			goto error;
 		put_unaligned_le32(sl811->port1, buf);
 
-#ifndef	VERBOSE
-	if (*(u16*)(buf+2))	/* only if wPortChange is interesting */
-#endif
-		dev_dbg(hcd->self.controller, "GetPortStatus %08x\n",
-			sl811->port1);
+		if (__is_defined(VERBOSE) ||
+		    *(u16*)(buf+2)) /* only if wPortChange is interesting */
+			dev_dbg(hcd->self.controller, "GetPortStatus %08x\n",
+				sl811->port1);
 		break;
 	case SetPortFeature:
 		if (wIndex != 1 || wLength != 0)
diff --git linux-libre-5.4.120-gnu/fs/block_dev.c linux-libre-5.4.121-gnu/fs/block_dev.c
index bd93563477a4..fa329c7eddf0 100644
--- linux-libre-5.4.120-gnu/fs/block_dev.c
+++ linux-libre-5.4.121-gnu/fs/block_dev.c
@@ -1987,6 +1987,7 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	struct inode *bd_inode = bdev_file_inode(file);
 	loff_t size = i_size_read(bd_inode);
 	struct blk_plug plug;
+	size_t shorted = 0;
 	ssize_t ret;
 
 	if (bdev_read_only(I_BDEV(bd_inode)))
@@ -2005,12 +2006,17 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	if ((iocb->ki_flags & (IOCB_NOWAIT | IOCB_DIRECT)) == IOCB_NOWAIT)
 		return -EOPNOTSUPP;
 
-	iov_iter_truncate(from, size - iocb->ki_pos);
+	size -= iocb->ki_pos;
+	if (iov_iter_count(from) > size) {
+		shorted = iov_iter_count(from) - size;
+		iov_iter_truncate(from, size);
+	}
 
 	blk_start_plug(&plug);
 	ret = __generic_file_write_iter(iocb, from);
 	if (ret > 0)
 		ret = generic_write_sync(iocb, ret);
+	iov_iter_reexpand(from, iov_iter_count(from) + shorted);
 	blk_finish_plug(&plug);
 	return ret;
 }
@@ -2022,13 +2028,21 @@ ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to)
 	struct inode *bd_inode = bdev_file_inode(file);
 	loff_t size = i_size_read(bd_inode);
 	loff_t pos = iocb->ki_pos;
+	size_t shorted = 0;
+	ssize_t ret;
 
 	if (pos >= size)
 		return 0;
 
 	size -= pos;
-	iov_iter_truncate(to, size);
-	return generic_file_read_iter(iocb, to);
+	if (iov_iter_count(to) > size) {
+		shorted = iov_iter_count(to) - size;
+		iov_iter_truncate(to, size);
+	}
+
+	ret = generic_file_read_iter(iocb, to);
+	iov_iter_reexpand(to, iov_iter_count(to) + shorted);
+	return ret;
 }
 EXPORT_SYMBOL_GPL(blkdev_read_iter);
 
diff --git linux-libre-5.4.120-gnu/fs/ceph/caps.c linux-libre-5.4.121-gnu/fs/ceph/caps.c
index 22833fa5bb58..a6047caf77ec 100644
--- linux-libre-5.4.120-gnu/fs/ceph/caps.c
+++ linux-libre-5.4.121-gnu/fs/ceph/caps.c
@@ -1780,6 +1780,7 @@ static int try_nonblocking_invalidate(struct inode *inode)
 	u32 invalidating_gen = ci->i_rdcache_gen;
 
 	spin_unlock(&ci->i_ceph_lock);
+	ceph_fscache_invalidate(inode);
 	invalidate_mapping_pages(&inode->i_data, 0, -1);
 	spin_lock(&ci->i_ceph_lock);
 
diff --git linux-libre-5.4.120-gnu/fs/ceph/inode.c linux-libre-5.4.121-gnu/fs/ceph/inode.c
index 660a878e20ef..5beebbbb42f0 100644
--- linux-libre-5.4.120-gnu/fs/ceph/inode.c
+++ linux-libre-5.4.121-gnu/fs/ceph/inode.c
@@ -1875,6 +1875,7 @@ static void ceph_do_invalidate_pages(struct inode *inode)
 	orig_gen = ci->i_rdcache_gen;
 	spin_unlock(&ci->i_ceph_lock);
 
+	ceph_fscache_invalidate(inode);
 	if (invalidate_inode_pages2(inode->i_mapping) < 0) {
 		pr_err("invalidate_pages %p fails\n", inode);
 	}
diff --git linux-libre-5.4.120-gnu/include/linux/virtio_net.h linux-libre-5.4.121-gnu/include/linux/virtio_net.h
index 98775d7fa696..b465f8f3e554 100644
--- linux-libre-5.4.120-gnu/include/linux/virtio_net.h
+++ linux-libre-5.4.121-gnu/include/linux/virtio_net.h
@@ -65,14 +65,18 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
 	skb_reset_mac_header(skb);
 
 	if (hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {
-		u16 start = __virtio16_to_cpu(little_endian, hdr->csum_start);
-		u16 off = __virtio16_to_cpu(little_endian, hdr->csum_offset);
+		u32 start = __virtio16_to_cpu(little_endian, hdr->csum_start);
+		u32 off = __virtio16_to_cpu(little_endian, hdr->csum_offset);
+		u32 needed = start + max_t(u32, thlen, off + sizeof(__sum16));
+
+		if (!pskb_may_pull(skb, needed))
+			return -EINVAL;
 
 		if (!skb_partial_csum_set(skb, start, off))
 			return -EINVAL;
 
 		p_off = skb_transport_offset(skb) + thlen;
-		if (p_off > skb_headlen(skb))
+		if (!pskb_may_pull(skb, p_off))
 			return -EINVAL;
 	} else {
 		/* gso packets without NEEDS_CSUM do not set transport_offset.
@@ -102,14 +106,14 @@ retry:
 			}
 
 			p_off = keys.control.thoff + thlen;
-			if (p_off > skb_headlen(skb) ||
+			if (!pskb_may_pull(skb, p_off) ||
 			    keys.basic.ip_proto != ip_proto)
 				return -EINVAL;
 
 			skb_set_transport_header(skb, keys.control.thoff);
 		} else if (gso_type) {
 			p_off = thlen;
-			if (p_off > skb_headlen(skb))
+			if (!pskb_may_pull(skb, p_off))
 				return -EINVAL;
 		}
 	}
diff --git linux-libre-5.4.120-gnu/lib/stackdepot.c linux-libre-5.4.121-gnu/lib/stackdepot.c
index 81c69c08d1d1..468626b8eb1b 100644
--- linux-libre-5.4.120-gnu/lib/stackdepot.c
+++ linux-libre-5.4.121-gnu/lib/stackdepot.c
@@ -69,7 +69,7 @@ static void *stack_slabs[STACK_ALLOC_MAX_SLABS];
 static int depot_index;
 static int next_slab_inited;
 static size_t depot_offset;
-static DEFINE_SPINLOCK(depot_lock);
+static DEFINE_RAW_SPINLOCK(depot_lock);
 
 static bool init_stack_slab(void **prealloc)
 {
@@ -269,7 +269,7 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries,
 			prealloc = page_address(page);
 	}
 
-	spin_lock_irqsave(&depot_lock, flags);
+	raw_spin_lock_irqsave(&depot_lock, flags);
 
 	found = find_stack(*bucket, entries, nr_entries, hash);
 	if (!found) {
@@ -293,7 +293,7 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries,
 		WARN_ON(!init_stack_slab(&prealloc));
 	}
 
-	spin_unlock_irqrestore(&depot_lock, flags);
+	raw_spin_unlock_irqrestore(&depot_lock, flags);
 exit:
 	if (prealloc) {
 		/* Nobody used this memory, ok to free it. */
diff --git linux-libre-5.4.120-gnu/net/bridge/br_netlink.c linux-libre-5.4.121-gnu/net/bridge/br_netlink.c
index a0a54482aabc..8a664148f57a 100644
--- linux-libre-5.4.120-gnu/net/bridge/br_netlink.c
+++ linux-libre-5.4.121-gnu/net/bridge/br_netlink.c
@@ -99,8 +99,9 @@ static size_t br_get_link_af_size_filtered(const struct net_device *dev,
 
 	rcu_read_lock();
 	if (netif_is_bridge_port(dev)) {
-		p = br_port_get_rcu(dev);
-		vg = nbp_vlan_group_rcu(p);
+		p = br_port_get_check_rcu(dev);
+		if (p)
+			vg = nbp_vlan_group_rcu(p);
 	} else if (dev->priv_flags & IFF_EBRIDGE) {
 		br = netdev_priv(dev);
 		vg = br_vlan_group_rcu(br);
diff --git linux-libre-5.4.120-gnu/net/ipv6/ip6_gre.c linux-libre-5.4.121-gnu/net/ipv6/ip6_gre.c
index e4a43a8941c8..0cb8056d9800 100644
--- linux-libre-5.4.120-gnu/net/ipv6/ip6_gre.c
+++ linux-libre-5.4.121-gnu/net/ipv6/ip6_gre.c
@@ -387,7 +387,6 @@ static struct ip6_tnl *ip6gre_tunnel_locate(struct net *net,
 	if (!(nt->parms.o_flags & TUNNEL_SEQ))
 		dev->features |= NETIF_F_LLTX;
 
-	dev_hold(dev);
 	ip6gre_tunnel_link(ign, nt);
 	return nt;
 
@@ -1483,6 +1482,7 @@ static int ip6gre_tunnel_init_common(struct net_device *dev)
 	}
 	ip6gre_tnl_init_features(dev);
 
+	dev_hold(dev);
 	return 0;
 
 cleanup_dst_cache_init:
@@ -1525,8 +1525,6 @@ static void ip6gre_fb_tunnel_init(struct net_device *dev)
 	strcpy(tunnel->parms.name, dev->name);
 
 	tunnel->hlen		= sizeof(struct ipv6hdr) + 4;
-
-	dev_hold(dev);
 }
 
 static struct inet6_protocol ip6gre_protocol __read_mostly = {
@@ -1876,6 +1874,7 @@ static int ip6erspan_tap_init(struct net_device *dev)
 	dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
 	ip6erspan_tnl_link_config(tunnel, 1);
 
+	dev_hold(dev);
 	return 0;
 
 cleanup_dst_cache_init:
@@ -1975,8 +1974,6 @@ static int ip6gre_newlink_common(struct net *src_net, struct net_device *dev,
 	if (tb[IFLA_MTU])
 		ip6_tnl_change_mtu(dev, nla_get_u32(tb[IFLA_MTU]));
 
-	dev_hold(dev);
-
 out:
 	return err;
 }
diff --git linux-libre-5.4.120-gnu/net/ipv6/ip6_tunnel.c linux-libre-5.4.121-gnu/net/ipv6/ip6_tunnel.c
index 69799b612ee8..fd0d1cee2d3f 100644
--- linux-libre-5.4.120-gnu/net/ipv6/ip6_tunnel.c
+++ linux-libre-5.4.121-gnu/net/ipv6/ip6_tunnel.c
@@ -267,7 +267,6 @@ static int ip6_tnl_create2(struct net_device *dev)
 
 	strcpy(t->parms.name, dev->name);
 
-	dev_hold(dev);
 	ip6_tnl_link(ip6n, t);
 	return 0;
 
@@ -1861,6 +1860,7 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
 	dev->min_mtu = ETH_MIN_MTU;
 	dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len;
 
+	dev_hold(dev);
 	return 0;
 
 destroy_dst:
@@ -1904,7 +1904,6 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
 	t->parms.proto = IPPROTO_IPV6;
-	dev_hold(dev);
 
 	rcu_assign_pointer(ip6n->tnls_wc[0], t);
 	return 0;
diff --git linux-libre-5.4.120-gnu/net/ipv6/ip6_vti.c linux-libre-5.4.121-gnu/net/ipv6/ip6_vti.c
index 01ddb0f70c57..12ab6605d961 100644
--- linux-libre-5.4.120-gnu/net/ipv6/ip6_vti.c
+++ linux-libre-5.4.121-gnu/net/ipv6/ip6_vti.c
@@ -952,7 +952,6 @@ static int __net_init vti6_fb_tnl_dev_init(struct net_device *dev)
 	struct vti6_net *ip6n = net_generic(net, vti6_net_id);
 
 	t->parms.proto = IPPROTO_IPV6;
-	dev_hold(dev);
 
 	rcu_assign_pointer(ip6n->tnls_wc[0], t);
 	return 0;
diff --git linux-libre-5.4.120-gnu/net/ipv6/sit.c linux-libre-5.4.121-gnu/net/ipv6/sit.c
index 2710f3bc856f..7f9cae4c49e7 100644
--- linux-libre-5.4.120-gnu/net/ipv6/sit.c
+++ linux-libre-5.4.121-gnu/net/ipv6/sit.c
@@ -211,8 +211,6 @@ static int ipip6_tunnel_create(struct net_device *dev)
 
 	ipip6_tunnel_clone_6rd(dev, sitn);
 
-	dev_hold(dev);
-
 	ipip6_tunnel_link(sitn, t);
 	return 0;
 
@@ -1408,7 +1406,7 @@ static int ipip6_tunnel_init(struct net_device *dev)
 		dev->tstats = NULL;
 		return err;
 	}
-
+	dev_hold(dev);
 	return 0;
 }
 
@@ -1424,7 +1422,6 @@ static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
 	iph->ihl		= 5;
 	iph->ttl		= 64;
 
-	dev_hold(dev);
 	rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
 }
 
diff --git linux-libre-5.4.120-gnu/net/xdp/xsk_queue.h linux-libre-5.4.121-gnu/net/xdp/xsk_queue.h
index eddae4688862..ee3f8c857dd8 100644
--- linux-libre-5.4.120-gnu/net/xdp/xsk_queue.h
+++ linux-libre-5.4.121-gnu/net/xdp/xsk_queue.h
@@ -363,12 +363,15 @@ static inline void xskq_produce_flush_desc(struct xsk_queue *q)
 
 static inline bool xskq_full_desc(struct xsk_queue *q)
 {
-	return xskq_nb_avail(q, q->nentries) == q->nentries;
+	/* No barriers needed since data is not accessed */
+	return READ_ONCE(q->ring->producer) - READ_ONCE(q->ring->consumer) ==
+		q->nentries;
 }
 
 static inline bool xskq_empty_desc(struct xsk_queue *q)
 {
-	return xskq_nb_free(q, q->prod_tail, q->nentries) == q->nentries;
+	/* No barriers needed since data is not accessed */
+	return READ_ONCE(q->ring->consumer) == READ_ONCE(q->ring->producer);
 }
 
 void xskq_set_umem(struct xsk_queue *q, u64 size, u64 chunk_mask);
diff --git linux-libre-5.4.120-gnu/scripts/bloat-o-meter linux-libre-5.4.121-gnu/scripts/bloat-o-meter
index 8c965f6a9881..a1b95100b319 100755
--- linux-libre-5.4.120-gnu/scripts/bloat-o-meter
+++ linux-libre-5.4.121-gnu/scripts/bloat-o-meter
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 #
 # Copyright 2004 Matt Mackall <mpm@selenic.com>
 #
diff --git linux-libre-5.4.120-gnu/scripts/config linux-libre-5.4.121-gnu/scripts/config
index eee5b7f3a092..8c8d7c3d7acc 100755
--- linux-libre-5.4.120-gnu/scripts/config
+++ linux-libre-5.4.121-gnu/scripts/config
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # SPDX-License-Identifier: GPL-2.0
 # Manipulate options in a .config file from the command line
 
diff --git linux-libre-5.4.120-gnu/scripts/diffconfig linux-libre-5.4.121-gnu/scripts/diffconfig
index 89abf777f197..d5da5fa05d1d 100755
--- linux-libre-5.4.120-gnu/scripts/diffconfig
+++ linux-libre-5.4.121-gnu/scripts/diffconfig
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0
 #
 # diffconfig - a tool to compare .config files.
diff --git linux-libre-5.4.120-gnu/scripts/get_abi.pl linux-libre-5.4.121-gnu/scripts/get_abi.pl
index c738cb795514..ba87b230fe0a 100755
--- linux-libre-5.4.120-gnu/scripts/get_abi.pl
+++ linux-libre-5.4.121-gnu/scripts/get_abi.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # SPDX-License-Identifier: GPL-2.0
 
 use strict;
diff --git linux-libre-5.4.120-gnu/scripts/recordmcount.pl linux-libre-5.4.121-gnu/scripts/recordmcount.pl
index 0bafed857e17..4f84657f55c2 100755
--- linux-libre-5.4.120-gnu/scripts/recordmcount.pl
+++ linux-libre-5.4.121-gnu/scripts/recordmcount.pl
@@ -395,7 +395,7 @@ if ($arch eq "x86_64") {
     $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$";
 } elsif ($arch eq "riscv") {
     $function_regex = "^([0-9a-fA-F]+)\\s+<([^.0-9][0-9a-zA-Z_\\.]+)>:";
-    $mcount_regex = "^\\s*([0-9a-fA-F]+):\\sR_RISCV_CALL\\s_mcount\$";
+    $mcount_regex = "^\\s*([0-9a-fA-F]+):\\sR_RISCV_CALL(_PLT)?\\s_?mcount\$";
     $type = ".quad";
     $alignment = 2;
 } elsif ($arch eq "nds32") {
diff --git linux-libre-5.4.120-gnu/scripts/show_delta linux-libre-5.4.121-gnu/scripts/show_delta
index 264399307c4f..28e67e178194 100755
--- linux-libre-5.4.120-gnu/scripts/show_delta
+++ linux-libre-5.4.121-gnu/scripts/show_delta
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # SPDX-License-Identifier: GPL-2.0-only
 #
 # show_deltas: Read list of printk messages instrumented with
diff --git linux-libre-5.4.120-gnu/scripts/sphinx-pre-install linux-libre-5.4.121-gnu/scripts/sphinx-pre-install
index 3b638c0e1a4f..62cb61baad83 100755
--- linux-libre-5.4.120-gnu/scripts/sphinx-pre-install
+++ linux-libre-5.4.121-gnu/scripts/sphinx-pre-install
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # SPDX-License-Identifier: GPL-2.0-or-later
 use strict;
 
diff --git linux-libre-5.4.120-gnu/scripts/split-man.pl linux-libre-5.4.121-gnu/scripts/split-man.pl
index c3db607ee9ec..96bd99dc977a 100755
--- linux-libre-5.4.120-gnu/scripts/split-man.pl
+++ linux-libre-5.4.121-gnu/scripts/split-man.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # SPDX-License-Identifier: GPL-2.0
 #
 # Author: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
diff --git linux-libre-5.4.120-gnu/scripts/tracing/draw_functrace.py linux-libre-5.4.121-gnu/scripts/tracing/draw_functrace.py
index b65735758520..74f8aadfd4cb 100755
--- linux-libre-5.4.120-gnu/scripts/tracing/draw_functrace.py
+++ linux-libre-5.4.121-gnu/scripts/tracing/draw_functrace.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # SPDX-License-Identifier: GPL-2.0-only
 
 """
diff --git linux-libre-5.4.120-gnu/sound/pci/hda/hda_generic.c linux-libre-5.4.121-gnu/sound/pci/hda/hda_generic.c
index efceeae09045..7ac3f04ca8c0 100644
--- linux-libre-5.4.120-gnu/sound/pci/hda/hda_generic.c
+++ linux-libre-5.4.121-gnu/sound/pci/hda/hda_generic.c
@@ -1202,11 +1202,17 @@ static const char *get_line_out_pfx(struct hda_codec *codec, int ch,
 		*index = ch;
 		return "Headphone";
 	case AUTO_PIN_LINE_OUT:
-		/* This deals with the case where we have two DACs and
-		 * one LO, one HP and one Speaker */
-		if (!ch && cfg->speaker_outs && cfg->hp_outs) {
-			bool hp_lo_shared = !path_has_mixer(codec, spec->hp_paths[0], ctl_type);
-			bool spk_lo_shared = !path_has_mixer(codec, spec->speaker_paths[0], ctl_type);
+		/* This deals with the case where one HP or one Speaker or
+		 * one HP + one Speaker need to share the DAC with LO
+		 */
+		if (!ch) {
+			bool hp_lo_shared = false, spk_lo_shared = false;
+
+			if (cfg->speaker_outs)
+				spk_lo_shared = !path_has_mixer(codec,
+								spec->speaker_paths[0],	ctl_type);
+			if (cfg->hp_outs)
+				hp_lo_shared = !path_has_mixer(codec, spec->hp_paths[0], ctl_type);
 			if (hp_lo_shared && spk_lo_shared)
 				return spec->vmaster_mute.hook ? "PCM" : "Master";
 			if (hp_lo_shared)
diff --git linux-libre-5.4.120-gnu/tools/perf/python/tracepoint.py linux-libre-5.4.121-gnu/tools/perf/python/tracepoint.py
index eb76f6516247..461848c7f57d 100755
--- linux-libre-5.4.120-gnu/tools/perf/python/tracepoint.py
+++ linux-libre-5.4.121-gnu/tools/perf/python/tracepoint.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#! /usr/bin/env python
 # SPDX-License-Identifier: GPL-2.0
 # -*- python -*-
 # -*- coding: utf-8 -*-
diff --git linux-libre-5.4.120-gnu/tools/perf/python/twatch.py linux-libre-5.4.121-gnu/tools/perf/python/twatch.py
index ff87ccf5b708..04f3db29b9bc 100755
--- linux-libre-5.4.120-gnu/tools/perf/python/twatch.py
+++ linux-libre-5.4.121-gnu/tools/perf/python/twatch.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#! /usr/bin/env python
 # SPDX-License-Identifier: GPL-2.0-only
 # -*- python -*-
 # -*- coding: utf-8 -*-
diff --git linux-libre-5.4.120-gnu/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py linux-libre-5.4.121-gnu/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
index 1351975d0769..085cbe4a56df 100755
--- linux-libre-5.4.120-gnu/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
+++ linux-libre-5.4.121-gnu/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # SPDX-License-Identifier: GPL-2.0-only
 # -*- coding: utf-8 -*-
 #
diff --git linux-libre-5.4.120-gnu/tools/testing/ktest/compare-ktest-sample.pl linux-libre-5.4.121-gnu/tools/testing/ktest/compare-ktest-sample.pl
index 4118eb4a842d..ebea21d0a1be 100755
--- linux-libre-5.4.120-gnu/tools/testing/ktest/compare-ktest-sample.pl
+++ linux-libre-5.4.121-gnu/tools/testing/ktest/compare-ktest-sample.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # SPDX-License-Identifier: GPL-2.0
 
 open (IN,"ktest.pl");
diff --git linux-libre-5.4.120-gnu/tools/testing/selftests/bpf/test_offload.py linux-libre-5.4.121-gnu/tools/testing/selftests/bpf/test_offload.py
index 8f918847ddf8..f9e3daaf7cff 100755
--- linux-libre-5.4.120-gnu/tools/testing/selftests/bpf/test_offload.py
+++ linux-libre-5.4.121-gnu/tools/testing/selftests/bpf/test_offload.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 # Copyright (C) 2017 Netronome Systems, Inc.
 # Copyright (c) 2019 Mellanox Technologies. All rights reserved
diff --git linux-libre-5.4.120-gnu/tools/testing/selftests/kselftest/prefix.pl linux-libre-5.4.121-gnu/tools/testing/selftests/kselftest/prefix.pl
index 31f7c2a0a8bd..12a7f4ca2684 100755
--- linux-libre-5.4.120-gnu/tools/testing/selftests/kselftest/prefix.pl
+++ linux-libre-5.4.121-gnu/tools/testing/selftests/kselftest/prefix.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # SPDX-License-Identifier: GPL-2.0
 # Prefix all lines with "# ", unbuffered. Command being piped in may need
 # to have unbuffering forced with "stdbuf -i0 -o0 -e0 $cmd".
diff --git linux-libre-5.4.120-gnu/tools/testing/selftests/tc-testing/tdc_batch.py linux-libre-5.4.121-gnu/tools/testing/selftests/tc-testing/tdc_batch.py
index 995f66ce43eb..35d5d9493784 100755
--- linux-libre-5.4.120-gnu/tools/testing/selftests/tc-testing/tdc_batch.py
+++ linux-libre-5.4.121-gnu/tools/testing/selftests/tc-testing/tdc_batch.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 """
 tdc_batch.py - a script to generate TC batch file
diff --git linux-libre-5.4.120-gnu/tools/testing/selftests/tc-testing/tdc_multibatch.py linux-libre-5.4.121-gnu/tools/testing/selftests/tc-testing/tdc_multibatch.py
index 5e7237952e49..48e1f17ff2e8 100755
--- linux-libre-5.4.120-gnu/tools/testing/selftests/tc-testing/tdc_multibatch.py
+++ linux-libre-5.4.121-gnu/tools/testing/selftests/tc-testing/tdc_multibatch.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0
 """
 tdc_multibatch.py - a thin wrapper over tdc_batch.py to generate multiple batch
diff --git linux-libre-5.4.120-gnu/virt/kvm/arm/arm.c linux-libre-5.4.121-gnu/virt/kvm/arm/arm.c
index 2e7d2b3f2907..4af85605730e 100644
--- linux-libre-5.4.120-gnu/virt/kvm/arm/arm.c
+++ linux-libre-5.4.121-gnu/virt/kvm/arm/arm.c
@@ -579,6 +579,8 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
 
 	vcpu->arch.has_run_once = true;
 
+	kvm_arm_vcpu_init_debug(vcpu);
+
 	if (likely(irqchip_in_kernel(kvm))) {
 		/*
 		 * Map the VGIC hardware resources before running a vcpu the
