diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/arm64/include/asm/futex.h linux-libre-5.1.16-gnu/arch/arm64/include/asm/futex.h
--- linux-libre-5.1.15-gnu/arch/arm64/include/asm/futex.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/arm64/include/asm/futex.h	2019-07-03 07:13:45.000000000 -0400
@@ -134,7 +134,9 @@ futex_atomic_cmpxchg_inatomic(u32 *uval,
 	: "memory");
 	uaccess_disable();
 
-	*uval = val;
+	if (!ret)
+		*uval = val;
+
 	return ret;
 }
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/arm64/include/asm/insn.h linux-libre-5.1.16-gnu/arch/arm64/include/asm/insn.h
--- linux-libre-5.1.15-gnu/arch/arm64/include/asm/insn.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/arm64/include/asm/insn.h	2019-07-03 07:13:45.000000000 -0400
@@ -277,6 +277,7 @@ __AARCH64_INSN_FUNCS(adrp,	0x9F000000, 0
 __AARCH64_INSN_FUNCS(prfm,	0x3FC00000, 0x39800000)
 __AARCH64_INSN_FUNCS(prfm_lit,	0xFF000000, 0xD8000000)
 __AARCH64_INSN_FUNCS(str_reg,	0x3FE0EC00, 0x38206800)
+__AARCH64_INSN_FUNCS(ldadd,	0x3F20FC00, 0x38200000)
 __AARCH64_INSN_FUNCS(ldr_reg,	0x3FE0EC00, 0x38606800)
 __AARCH64_INSN_FUNCS(ldr_lit,	0xBF000000, 0x18000000)
 __AARCH64_INSN_FUNCS(ldrsw_lit,	0xFF000000, 0x98000000)
@@ -394,6 +395,13 @@ u32 aarch64_insn_gen_load_store_ex(enum
 				   enum aarch64_insn_register state,
 				   enum aarch64_insn_size_type size,
 				   enum aarch64_insn_ldst_type type);
+u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
+			   enum aarch64_insn_register address,
+			   enum aarch64_insn_register value,
+			   enum aarch64_insn_size_type size);
+u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
+			   enum aarch64_insn_register value,
+			   enum aarch64_insn_size_type size);
 u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
 				 enum aarch64_insn_register src,
 				 int imm, enum aarch64_insn_variant variant,
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/arm64/kernel/insn.c linux-libre-5.1.16-gnu/arch/arm64/kernel/insn.c
--- linux-libre-5.1.15-gnu/arch/arm64/kernel/insn.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/arm64/kernel/insn.c	2019-07-03 07:13:45.000000000 -0400
@@ -734,6 +734,46 @@ u32 aarch64_insn_gen_load_store_ex(enum
 					    state);
 }
 
+u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
+			   enum aarch64_insn_register address,
+			   enum aarch64_insn_register value,
+			   enum aarch64_insn_size_type size)
+{
+	u32 insn = aarch64_insn_get_ldadd_value();
+
+	switch (size) {
+	case AARCH64_INSN_SIZE_32:
+	case AARCH64_INSN_SIZE_64:
+		break;
+	default:
+		pr_err("%s: unimplemented size encoding %d\n", __func__, size);
+		return AARCH64_BREAK_FAULT;
+	}
+
+	insn = aarch64_insn_encode_ldst_size(size, insn);
+
+	insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RT, insn,
+					    result);
+
+	insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RN, insn,
+					    address);
+
+	return aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RS, insn,
+					    value);
+}
+
+u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
+			   enum aarch64_insn_register value,
+			   enum aarch64_insn_size_type size)
+{
+	/*
+	 * STADD is simply encoded as an alias for LDADD with XZR as
+	 * the destination register.
+	 */
+	return aarch64_insn_gen_ldadd(AARCH64_INSN_REG_ZR, address,
+				      value, size);
+}
+
 static u32 aarch64_insn_encode_prfm_imm(enum aarch64_insn_prfm_type type,
 					enum aarch64_insn_prfm_target target,
 					enum aarch64_insn_prfm_policy policy,
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/arm64/Makefile linux-libre-5.1.16-gnu/arch/arm64/Makefile
--- linux-libre-5.1.15-gnu/arch/arm64/Makefile	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/arm64/Makefile	2019-07-03 07:13:45.000000000 -0400
@@ -51,7 +51,7 @@ endif
 
 KBUILD_CFLAGS	+= -mgeneral-regs-only $(lseinstr) $(brokengasinst)
 KBUILD_CFLAGS	+= -fno-asynchronous-unwind-tables
-KBUILD_CFLAGS	+= -Wno-psabi
+KBUILD_CFLAGS	+= $(call cc-disable-warning, psabi)
 KBUILD_AFLAGS	+= $(lseinstr) $(brokengasinst)
 
 KBUILD_CFLAGS	+= $(call cc-option,-mabi=lp64)
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/arm64/net/bpf_jit_comp.c linux-libre-5.1.16-gnu/arch/arm64/net/bpf_jit_comp.c
--- linux-libre-5.1.15-gnu/arch/arm64/net/bpf_jit_comp.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/arm64/net/bpf_jit_comp.c	2019-07-03 07:13:45.000000000 -0400
@@ -365,7 +365,7 @@ static int build_insn(const struct bpf_i
 	const bool is64 = BPF_CLASS(code) == BPF_ALU64 ||
 			  BPF_CLASS(code) == BPF_JMP;
 	const bool isdw = BPF_SIZE(code) == BPF_DW;
-	u8 jmp_cond;
+	u8 jmp_cond, reg;
 	s32 jmp_offset;
 
 #define check_imm(bits, imm) do {				\
@@ -756,18 +756,28 @@ emit_cond_jmp:
 			break;
 		}
 		break;
+
 	/* STX XADD: lock *(u32 *)(dst + off) += src */
 	case BPF_STX | BPF_XADD | BPF_W:
 	/* STX XADD: lock *(u64 *)(dst + off) += src */
 	case BPF_STX | BPF_XADD | BPF_DW:
-		emit_a64_mov_i(1, tmp, off, ctx);
-		emit(A64_ADD(1, tmp, tmp, dst), ctx);
-		emit(A64_LDXR(isdw, tmp2, tmp), ctx);
-		emit(A64_ADD(isdw, tmp2, tmp2, src), ctx);
-		emit(A64_STXR(isdw, tmp2, tmp, tmp3), ctx);
-		jmp_offset = -3;
-		check_imm19(jmp_offset);
-		emit(A64_CBNZ(0, tmp3, jmp_offset), ctx);
+		if (!off) {
+			reg = dst;
+		} else {
+			emit_a64_mov_i(1, tmp, off, ctx);
+			emit(A64_ADD(1, tmp, tmp, dst), ctx);
+			reg = tmp;
+		}
+		if (cpus_have_cap(ARM64_HAS_LSE_ATOMICS)) {
+			emit(A64_STADD(isdw, reg, src), ctx);
+		} else {
+			emit(A64_LDXR(isdw, tmp2, reg), ctx);
+			emit(A64_ADD(isdw, tmp2, tmp2, src), ctx);
+			emit(A64_STXR(isdw, tmp2, reg, tmp3), ctx);
+			jmp_offset = -3;
+			check_imm19(jmp_offset);
+			emit(A64_CBNZ(0, tmp3, jmp_offset), ctx);
+		}
 		break;
 
 	default:
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/arm64/net/bpf_jit.h linux-libre-5.1.16-gnu/arch/arm64/net/bpf_jit.h
--- linux-libre-5.1.15-gnu/arch/arm64/net/bpf_jit.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/arm64/net/bpf_jit.h	2019-07-03 07:13:45.000000000 -0400
@@ -100,6 +100,10 @@
 #define A64_STXR(sf, Rt, Rn, Rs) \
 	A64_LSX(sf, Rt, Rn, Rs, STORE_EX)
 
+/* LSE atomics */
+#define A64_STADD(sf, Rn, Rs) \
+	aarch64_insn_gen_stadd(Rn, Rs, A64_SIZE(sf))
+
 /* Add/subtract (immediate) */
 #define A64_ADDSUB_IMM(sf, Rd, Rn, imm12, type) \
 	aarch64_insn_gen_add_sub_imm(Rd, Rn, imm12, \
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/mips/include/asm/mips-gic.h linux-libre-5.1.16-gnu/arch/mips/include/asm/mips-gic.h
--- linux-libre-5.1.15-gnu/arch/mips/include/asm/mips-gic.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/mips/include/asm/mips-gic.h	2019-07-03 07:13:45.000000000 -0400
@@ -315,6 +315,36 @@ static inline bool mips_gic_present(void
 }
 
 /**
+ * mips_gic_vx_map_reg() - Return GIC_Vx_<intr>_MAP register offset
+ * @intr: A GIC local interrupt
+ *
+ * Determine the index of the GIC_VL_<intr>_MAP or GIC_VO_<intr>_MAP register
+ * within the block of GIC map registers. This is almost the same as the order
+ * of interrupts in the pending & mask registers, as used by enum
+ * mips_gic_local_interrupt, but moves the FDC interrupt & thus offsets the
+ * interrupts after it...
+ *
+ * Return: The map register index corresponding to @intr.
+ *
+ * The return value is suitable for use with the (read|write)_gic_v[lo]_map
+ * accessor functions.
+ */
+static inline unsigned int
+mips_gic_vx_map_reg(enum mips_gic_local_interrupt intr)
+{
+	/* WD, Compare & Timer are 1:1 */
+	if (intr <= GIC_LOCAL_INT_TIMER)
+		return intr;
+
+	/* FDC moves to after Timer... */
+	if (intr == GIC_LOCAL_INT_FDC)
+		return GIC_LOCAL_INT_TIMER + 1;
+
+	/* As a result everything else is offset by 1 */
+	return intr + 1;
+}
+
+/**
  * gic_get_c0_compare_int() - Return cp0 count/compare interrupt virq
  *
  * Determine the virq number to use for the coprocessor 0 count/compare
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/x86/kernel/cpu/bugs.c linux-libre-5.1.16-gnu/arch/x86/kernel/cpu/bugs.c
--- linux-libre-5.1.15-gnu/arch/x86/kernel/cpu/bugs.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/x86/kernel/cpu/bugs.c	2019-07-03 07:13:45.000000000 -0400
@@ -836,6 +836,16 @@ static enum ssb_mitigation __init __ssb_
 	}
 
 	/*
+	 * If SSBD is controlled by the SPEC_CTRL MSR, then set the proper
+	 * bit in the mask to allow guests to use the mitigation even in the
+	 * case where the host does not enable it.
+	 */
+	if (static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) ||
+	    static_cpu_has(X86_FEATURE_AMD_SSBD)) {
+		x86_spec_ctrl_mask |= SPEC_CTRL_SSBD;
+	}
+
+	/*
 	 * We have three CPU feature flags that are in play here:
 	 *  - X86_BUG_SPEC_STORE_BYPASS - CPU is susceptible.
 	 *  - X86_FEATURE_SSBD - CPU is able to turn off speculative store bypass
@@ -852,7 +862,6 @@ static enum ssb_mitigation __init __ssb_
 			x86_amd_ssb_disable();
 		} else {
 			x86_spec_ctrl_base |= SPEC_CTRL_SSBD;
-			x86_spec_ctrl_mask |= SPEC_CTRL_SSBD;
 			wrmsrl(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);
 		}
 	}
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/x86/kernel/cpu/microcode/core.c linux-libre-5.1.16-gnu/arch/x86/kernel/cpu/microcode/core.c
--- linux-libre-5.1.15-gnu/arch/x86/kernel/cpu/microcode/core.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/x86/kernel/cpu/microcode/core.c	2019-07-03 07:13:45.000000000 -0400
@@ -793,13 +793,16 @@ static struct syscore_ops mc_syscore_ops
 	.resume			= mc_bp_resume,
 };
 
-static int mc_cpu_online(unsigned int cpu)
+static int mc_cpu_starting(unsigned int cpu)
 {
-	struct device *dev;
-
-	dev = get_cpu_device(cpu);
 	microcode_update_cpu(cpu);
 	pr_debug("CPU%d added\n", cpu);
+	return 0;
+}
+
+static int mc_cpu_online(unsigned int cpu)
+{
+	struct device *dev = get_cpu_device(cpu);
 
 	if (sysfs_create_group(&dev->kobj, &mc_attr_group))
 		pr_err("Failed to create group for CPU%d\n", cpu);
@@ -876,7 +879,9 @@ int __init microcode_init(void)
 		goto out_ucode_group;
 
 	register_syscore_ops(&mc_syscore_ops);
-	cpuhp_setup_state_nocalls(CPUHP_AP_MICROCODE_LOADER, "x86/microcode:online",
+	cpuhp_setup_state_nocalls(CPUHP_AP_MICROCODE_LOADER, "x86/microcode:starting",
+				  mc_cpu_starting, NULL);
+	cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "x86/microcode:online",
 				  mc_cpu_online, mc_cpu_down_prep);
 
 	pr_info("Microcode Update Driver: v%s.", DRIVER_VERSION);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/arch/x86/kernel/cpu/resctrl/rdtgroup.c linux-libre-5.1.16-gnu/arch/x86/kernel/cpu/resctrl/rdtgroup.c
--- linux-libre-5.1.15-gnu/arch/x86/kernel/cpu/resctrl/rdtgroup.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/arch/x86/kernel/cpu/resctrl/rdtgroup.c	2019-07-03 07:13:45.000000000 -0400
@@ -804,8 +804,12 @@ static int rdt_bit_usage_show(struct ker
 			      struct seq_file *seq, void *v)
 {
 	struct rdt_resource *r = of->kn->parent->priv;
-	u32 sw_shareable = 0, hw_shareable = 0;
-	u32 exclusive = 0, pseudo_locked = 0;
+	/*
+	 * Use unsigned long even though only 32 bits are used to ensure
+	 * test_bit() is used safely.
+	 */
+	unsigned long sw_shareable = 0, hw_shareable = 0;
+	unsigned long exclusive = 0, pseudo_locked = 0;
 	struct rdt_domain *dom;
 	int i, hwb, swb, excl, psl;
 	enum rdtgrp_mode mode;
@@ -850,10 +854,10 @@ static int rdt_bit_usage_show(struct ker
 		}
 		for (i = r->cache.cbm_len - 1; i >= 0; i--) {
 			pseudo_locked = dom->plr ? dom->plr->cbm : 0;
-			hwb = test_bit(i, (unsigned long *)&hw_shareable);
-			swb = test_bit(i, (unsigned long *)&sw_shareable);
-			excl = test_bit(i, (unsigned long *)&exclusive);
-			psl = test_bit(i, (unsigned long *)&pseudo_locked);
+			hwb = test_bit(i, &hw_shareable);
+			swb = test_bit(i, &sw_shareable);
+			excl = test_bit(i, &exclusive);
+			psl = test_bit(i, &pseudo_locked);
 			if (hwb && swb)
 				seq_putc(seq, 'X');
 			else if (hwb && !swb)
@@ -2494,26 +2498,19 @@ out_destroy:
  */
 static void cbm_ensure_valid(u32 *_val, struct rdt_resource *r)
 {
-	/*
-	 * Convert the u32 _val to an unsigned long required by all the bit
-	 * operations within this function. No more than 32 bits of this
-	 * converted value can be accessed because all bit operations are
-	 * additionally provided with cbm_len that is initialized during
-	 * hardware enumeration using five bits from the EAX register and
-	 * thus never can exceed 32 bits.
-	 */
-	unsigned long *val = (unsigned long *)_val;
+	unsigned long val = *_val;
 	unsigned int cbm_len = r->cache.cbm_len;
 	unsigned long first_bit, zero_bit;
 
-	if (*val == 0)
+	if (val == 0)
 		return;
 
-	first_bit = find_first_bit(val, cbm_len);
-	zero_bit = find_next_zero_bit(val, cbm_len, first_bit);
+	first_bit = find_first_bit(&val, cbm_len);
+	zero_bit = find_next_zero_bit(&val, cbm_len, first_bit);
 
 	/* Clear any remaining bits to ensure contiguous region */
-	bitmap_clear(val, zero_bit, cbm_len - zero_bit);
+	bitmap_clear(&val, zero_bit, cbm_len - zero_bit);
+	*_val = (u32)val;
 }
 
 /**
diff -druNp --no-dereference linux-libre-5.1.15-gnu/Documentation/robust-futexes.txt linux-libre-5.1.16-gnu/Documentation/robust-futexes.txt
--- linux-libre-5.1.15-gnu/Documentation/robust-futexes.txt	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/Documentation/robust-futexes.txt	2019-07-03 07:13:45.000000000 -0400
@@ -218,5 +218,4 @@ All other architectures should build jus
 the new syscalls yet.
 
 Architectures need to implement the new futex_atomic_cmpxchg_inatomic()
-inline function before writing up the syscalls (that function returns
--ENOSYS right now).
+inline function before writing up the syscalls.
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/clk/socfpga/clk-s10.c linux-libre-5.1.16-gnu/drivers/clk/socfpga/clk-s10.c
--- linux-libre-5.1.15-gnu/drivers/clk/socfpga/clk-s10.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/clk/socfpga/clk-s10.c	2019-07-03 07:13:45.000000000 -0400
@@ -103,9 +103,9 @@ static const struct stratix10_perip_cnt_
 	{ STRATIX10_NOC_CLK, "noc_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux),
 	  0, 0, 0, 0x3C, 1},
 	{ STRATIX10_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux),
-	  0, 0, 4, 0xB0, 0},
+	  0, 0, 2, 0xB0, 0},
 	{ STRATIX10_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
-	  0, 0, 4, 0xB0, 1},
+	  0, 0, 2, 0xB0, 1},
 	{ STRATIX10_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
 	  ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 4, 0xB0, 2},
 	{ STRATIX10_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/clk/tegra/clk-tegra210.c linux-libre-5.1.16-gnu/drivers/clk/tegra/clk-tegra210.c
--- linux-libre-5.1.15-gnu/drivers/clk/tegra/clk-tegra210.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/clk/tegra/clk-tegra210.c	2019-07-03 07:13:45.000000000 -0400
@@ -3377,6 +3377,8 @@ static struct tegra_clk_init_table init_
 	{ TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
 	{ TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
 	{ TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
+	{ TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 },
+	{ TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 },
 	/* This MUST be the last entry. */
 	{ TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
 };
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/firmware/efi/efi.c linux-libre-5.1.16-gnu/drivers/firmware/efi/efi.c
--- linux-libre-5.1.15-gnu/drivers/firmware/efi/efi.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/firmware/efi/efi.c	2019-07-03 07:13:45.000000000 -0400
@@ -1007,14 +1007,16 @@ int __ref efi_mem_reserve_persistent(phy
 
 	/* first try to find a slot in an existing linked list entry */
 	for (prsv = efi_memreserve_root->next; prsv; prsv = rsv->next) {
-		rsv = __va(prsv);
+		rsv = memremap(prsv, sizeof(*rsv), MEMREMAP_WB);
 		index = atomic_fetch_add_unless(&rsv->count, 1, rsv->size);
 		if (index < rsv->size) {
 			rsv->entry[index].base = addr;
 			rsv->entry[index].size = size;
 
+			memunmap(rsv);
 			return 0;
 		}
+		memunmap(rsv);
 	}
 
 	/* no slot found - allocate a new linked list entry */
@@ -1022,7 +1024,13 @@ int __ref efi_mem_reserve_persistent(phy
 	if (!rsv)
 		return -ENOMEM;
 
-	rsv->size = EFI_MEMRESERVE_COUNT(PAGE_SIZE);
+	/*
+	 * The memremap() call above assumes that a linux_efi_memreserve entry
+	 * never crosses a page boundary, so let's ensure that this remains true
+	 * even when kexec'ing a 4k pages kernel from a >4k pages kernel, by
+	 * using SZ_4K explicitly in the size calculation below.
+	 */
+	rsv->size = EFI_MEMRESERVE_COUNT(SZ_4K);
 	atomic_set(&rsv->count, 1);
 	rsv->entry[0].base = addr;
 	rsv->entry[0].size = size;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/i915_drv.h linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/i915_drv.h
--- linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/i915_drv.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/i915_drv.h	2019-07-03 07:13:45.000000000 -0400
@@ -280,7 +280,8 @@ struct drm_i915_display_funcs {
 	void (*get_cdclk)(struct drm_i915_private *dev_priv,
 			  struct intel_cdclk_state *cdclk_state);
 	void (*set_cdclk)(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state);
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe);
 	int (*get_fifo_size)(struct drm_i915_private *dev_priv,
 			     enum i9xx_plane_id i9xx_plane);
 	int (*compute_pipe_wm)(struct intel_crtc_state *cstate);
@@ -1622,6 +1623,8 @@ struct drm_i915_private {
 		struct intel_cdclk_state actual;
 		/* The current hardware cdclk state */
 		struct intel_cdclk_state hw;
+
+		int force_min_cdclk;
 	} cdclk;
 
 	/**
@@ -1741,6 +1744,7 @@ struct drm_i915_private {
 	 *
 	 */
 	struct mutex av_mutex;
+	int audio_power_refcount;
 
 	struct {
 		struct mutex mutex;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_audio.c linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_audio.c
--- linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_audio.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_audio.c	2019-07-03 07:13:45.000000000 -0400
@@ -741,15 +741,71 @@ void intel_init_audio_hooks(struct drm_i
 	}
 }
 
+static void glk_force_audio_cdclk(struct drm_i915_private *dev_priv,
+				  bool enable)
+{
+	struct drm_modeset_acquire_ctx ctx;
+	struct drm_atomic_state *state;
+	int ret;
+
+	drm_modeset_acquire_init(&ctx, 0);
+	state = drm_atomic_state_alloc(&dev_priv->drm);
+	if (WARN_ON(!state))
+		return;
+
+	state->acquire_ctx = &ctx;
+
+retry:
+	to_intel_atomic_state(state)->cdclk.force_min_cdclk_changed = true;
+	to_intel_atomic_state(state)->cdclk.force_min_cdclk =
+		enable ? 2 * 96000 : 0;
+
+	/*
+	 * Protects dev_priv->cdclk.force_min_cdclk
+	 * Need to lock this here in case we have no active pipes
+	 * and thus wouldn't lock it during the commit otherwise.
+	 */
+	ret = drm_modeset_lock(&dev_priv->drm.mode_config.connection_mutex,
+			       &ctx);
+	if (!ret)
+		ret = drm_atomic_commit(state);
+
+	if (ret == -EDEADLK) {
+		drm_atomic_state_clear(state);
+		drm_modeset_backoff(&ctx);
+		goto retry;
+	}
+
+	WARN_ON(ret);
+
+	drm_atomic_state_put(state);
+
+	drm_modeset_drop_locks(&ctx);
+	drm_modeset_acquire_fini(&ctx);
+}
+
 static void i915_audio_component_get_power(struct device *kdev)
 {
-	intel_display_power_get(kdev_to_i915(kdev), POWER_DOMAIN_AUDIO);
+	struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
+
+	intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
+
+	/* Force CDCLK to 2*BCLK as long as we need audio to be powered. */
+	if (dev_priv->audio_power_refcount++ == 0)
+		if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
+			glk_force_audio_cdclk(dev_priv, true);
 }
 
 static void i915_audio_component_put_power(struct device *kdev)
 {
-	intel_display_power_put_unchecked(kdev_to_i915(kdev),
-					  POWER_DOMAIN_AUDIO);
+	struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
+
+	/* Stop forcing CDCLK to 2*BCLK if no need for audio to be powered. */
+	if (--dev_priv->audio_power_refcount == 0)
+		if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
+			glk_force_audio_cdclk(dev_priv, false);
+
+	intel_display_power_put_unchecked(dev_priv, POWER_DOMAIN_AUDIO);
 }
 
 static void i915_audio_component_codec_wake_override(struct device *kdev,
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_cdclk.c linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_cdclk.c
--- linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_cdclk.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_cdclk.c	2019-07-03 07:13:45.000000000 -0400
@@ -516,7 +516,8 @@ static void vlv_program_pfi_credits(stru
 }
 
 static void vlv_set_cdclk(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state)
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe)
 {
 	int cdclk = cdclk_state->cdclk;
 	u32 val, cmd = cdclk_state->voltage_level;
@@ -598,7 +599,8 @@ static void vlv_set_cdclk(struct drm_i91
 }
 
 static void chv_set_cdclk(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state)
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe)
 {
 	int cdclk = cdclk_state->cdclk;
 	u32 val, cmd = cdclk_state->voltage_level;
@@ -697,7 +699,8 @@ static void bdw_get_cdclk(struct drm_i91
 }
 
 static void bdw_set_cdclk(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state)
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe)
 {
 	int cdclk = cdclk_state->cdclk;
 	u32 val;
@@ -987,7 +990,8 @@ static void skl_dpll0_disable(struct drm
 }
 
 static void skl_set_cdclk(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state)
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe)
 {
 	int cdclk = cdclk_state->cdclk;
 	int vco = cdclk_state->vco;
@@ -1158,7 +1162,7 @@ void skl_init_cdclk(struct drm_i915_priv
 	cdclk_state.cdclk = skl_calc_cdclk(0, cdclk_state.vco);
 	cdclk_state.voltage_level = skl_calc_voltage_level(cdclk_state.cdclk);
 
-	skl_set_cdclk(dev_priv, &cdclk_state);
+	skl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
 
 /**
@@ -1176,7 +1180,7 @@ void skl_uninit_cdclk(struct drm_i915_pr
 	cdclk_state.vco = 0;
 	cdclk_state.voltage_level = skl_calc_voltage_level(cdclk_state.cdclk);
 
-	skl_set_cdclk(dev_priv, &cdclk_state);
+	skl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
 
 static int bxt_calc_cdclk(int min_cdclk)
@@ -1355,7 +1359,8 @@ static void bxt_de_pll_enable(struct drm
 }
 
 static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state)
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe)
 {
 	int cdclk = cdclk_state->cdclk;
 	int vco = cdclk_state->vco;
@@ -1408,11 +1413,10 @@ static void bxt_set_cdclk(struct drm_i91
 		bxt_de_pll_enable(dev_priv, vco);
 
 	val = divider | skl_cdclk_decimal(cdclk);
-	/*
-	 * FIXME if only the cd2x divider needs changing, it could be done
-	 * without shutting off the pipe (if only one pipe is active).
-	 */
-	val |= BXT_CDCLK_CD2X_PIPE_NONE;
+	if (pipe == INVALID_PIPE)
+		val |= BXT_CDCLK_CD2X_PIPE_NONE;
+	else
+		val |= BXT_CDCLK_CD2X_PIPE(pipe);
 	/*
 	 * Disable SSA Precharge when CD clock frequency < 500 MHz,
 	 * enable otherwise.
@@ -1421,6 +1425,9 @@ static void bxt_set_cdclk(struct drm_i91
 		val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
 	I915_WRITE(CDCLK_CTL, val);
 
+	if (pipe != INVALID_PIPE)
+		intel_wait_for_vblank(dev_priv, pipe);
+
 	mutex_lock(&dev_priv->pcu_lock);
 	/*
 	 * The timeout isn't specified, the 2ms used here is based on
@@ -1525,7 +1532,7 @@ void bxt_init_cdclk(struct drm_i915_priv
 	}
 	cdclk_state.voltage_level = bxt_calc_voltage_level(cdclk_state.cdclk);
 
-	bxt_set_cdclk(dev_priv, &cdclk_state);
+	bxt_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
 
 /**
@@ -1543,7 +1550,7 @@ void bxt_uninit_cdclk(struct drm_i915_pr
 	cdclk_state.vco = 0;
 	cdclk_state.voltage_level = bxt_calc_voltage_level(cdclk_state.cdclk);
 
-	bxt_set_cdclk(dev_priv, &cdclk_state);
+	bxt_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
 
 static int cnl_calc_cdclk(int min_cdclk)
@@ -1663,7 +1670,8 @@ static void cnl_cdclk_pll_enable(struct
 }
 
 static void cnl_set_cdclk(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state)
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe)
 {
 	int cdclk = cdclk_state->cdclk;
 	int vco = cdclk_state->vco;
@@ -1704,13 +1712,15 @@ static void cnl_set_cdclk(struct drm_i91
 		cnl_cdclk_pll_enable(dev_priv, vco);
 
 	val = divider | skl_cdclk_decimal(cdclk);
-	/*
-	 * FIXME if only the cd2x divider needs changing, it could be done
-	 * without shutting off the pipe (if only one pipe is active).
-	 */
-	val |= BXT_CDCLK_CD2X_PIPE_NONE;
+	if (pipe == INVALID_PIPE)
+		val |= BXT_CDCLK_CD2X_PIPE_NONE;
+	else
+		val |= BXT_CDCLK_CD2X_PIPE(pipe);
 	I915_WRITE(CDCLK_CTL, val);
 
+	if (pipe != INVALID_PIPE)
+		intel_wait_for_vblank(dev_priv, pipe);
+
 	/* inform PCU of the change */
 	mutex_lock(&dev_priv->pcu_lock);
 	sandybridge_pcode_write(dev_priv, SKL_PCODE_CDCLK_CONTROL,
@@ -1847,7 +1857,8 @@ static int icl_calc_cdclk_pll_vco(struct
 }
 
 static void icl_set_cdclk(struct drm_i915_private *dev_priv,
-			  const struct intel_cdclk_state *cdclk_state)
+			  const struct intel_cdclk_state *cdclk_state,
+			  enum pipe pipe)
 {
 	unsigned int cdclk = cdclk_state->cdclk;
 	unsigned int vco = cdclk_state->vco;
@@ -1872,6 +1883,11 @@ static void icl_set_cdclk(struct drm_i91
 	if (dev_priv->cdclk.hw.vco != vco)
 		cnl_cdclk_pll_enable(dev_priv, vco);
 
+	/*
+	 * On ICL CD2X_DIV can only be 1, so we'll never end up changing the
+	 * divider here synchronized to a pipe while CDCLK is on, nor will we
+	 * need the corresponding vblank wait.
+	 */
 	I915_WRITE(CDCLK_CTL, ICL_CDCLK_CD2X_PIPE_NONE |
 			      skl_cdclk_decimal(cdclk));
 
@@ -2002,7 +2018,7 @@ sanitize:
 	sanitized_state.voltage_level =
 				icl_calc_voltage_level(sanitized_state.cdclk);
 
-	icl_set_cdclk(dev_priv, &sanitized_state);
+	icl_set_cdclk(dev_priv, &sanitized_state, INVALID_PIPE);
 }
 
 /**
@@ -2020,7 +2036,7 @@ void icl_uninit_cdclk(struct drm_i915_pr
 	cdclk_state.vco = 0;
 	cdclk_state.voltage_level = icl_calc_voltage_level(cdclk_state.cdclk);
 
-	icl_set_cdclk(dev_priv, &cdclk_state);
+	icl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
 
 /**
@@ -2048,7 +2064,7 @@ void cnl_init_cdclk(struct drm_i915_priv
 	cdclk_state.vco = cnl_cdclk_pll_vco(dev_priv, cdclk_state.cdclk);
 	cdclk_state.voltage_level = cnl_calc_voltage_level(cdclk_state.cdclk);
 
-	cnl_set_cdclk(dev_priv, &cdclk_state);
+	cnl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
 
 /**
@@ -2066,7 +2082,7 @@ void cnl_uninit_cdclk(struct drm_i915_pr
 	cdclk_state.vco = 0;
 	cdclk_state.voltage_level = cnl_calc_voltage_level(cdclk_state.cdclk);
 
-	cnl_set_cdclk(dev_priv, &cdclk_state);
+	cnl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
 
 /**
@@ -2086,6 +2102,27 @@ bool intel_cdclk_needs_modeset(const str
 }
 
 /**
+ * intel_cdclk_needs_cd2x_update - Determine if two CDCLK states require a cd2x divider update
+ * @a: first CDCLK state
+ * @b: second CDCLK state
+ *
+ * Returns:
+ * True if the CDCLK states require just a cd2x divider update, false if not.
+ */
+bool intel_cdclk_needs_cd2x_update(struct drm_i915_private *dev_priv,
+				   const struct intel_cdclk_state *a,
+				   const struct intel_cdclk_state *b)
+{
+	/* Older hw doesn't have the capability */
+	if (INTEL_GEN(dev_priv) < 10 && !IS_GEN9_LP(dev_priv))
+		return false;
+
+	return a->cdclk != b->cdclk &&
+		a->vco == b->vco &&
+		a->ref == b->ref;
+}
+
+/**
  * intel_cdclk_changed - Determine if two CDCLK states are different
  * @a: first CDCLK state
  * @b: second CDCLK state
@@ -2100,6 +2137,26 @@ bool intel_cdclk_changed(const struct in
 		a->voltage_level != b->voltage_level;
 }
 
+/**
+ * intel_cdclk_swap_state - make atomic CDCLK configuration effective
+ * @state: atomic state
+ *
+ * This is the CDCLK version of drm_atomic_helper_swap_state() since the
+ * helper does not handle driver-specific global state.
+ *
+ * Similarly to the atomic helpers this function does a complete swap,
+ * i.e. it also puts the old state into @state. This is used by the commit
+ * code to determine how CDCLK has changed (for instance did it increase or
+ * decrease).
+ */
+void intel_cdclk_swap_state(struct intel_atomic_state *state)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+
+	swap(state->cdclk.logical, dev_priv->cdclk.logical);
+	swap(state->cdclk.actual, dev_priv->cdclk.actual);
+}
+
 void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state,
 			    const char *context)
 {
@@ -2113,12 +2170,14 @@ void intel_dump_cdclk_state(const struct
  * intel_set_cdclk - Push the CDCLK state to the hardware
  * @dev_priv: i915 device
  * @cdclk_state: new CDCLK state
+ * @pipe: pipe with which to synchronize the update
  *
  * Program the hardware based on the passed in CDCLK state,
  * if necessary.
  */
-void intel_set_cdclk(struct drm_i915_private *dev_priv,
-		     const struct intel_cdclk_state *cdclk_state)
+static void intel_set_cdclk(struct drm_i915_private *dev_priv,
+			    const struct intel_cdclk_state *cdclk_state,
+			    enum pipe pipe)
 {
 	if (!intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_state))
 		return;
@@ -2128,7 +2187,7 @@ void intel_set_cdclk(struct drm_i915_pri
 
 	intel_dump_cdclk_state(cdclk_state, "Changing CDCLK to");
 
-	dev_priv->display.set_cdclk(dev_priv, cdclk_state);
+	dev_priv->display.set_cdclk(dev_priv, cdclk_state, pipe);
 
 	if (WARN(intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_state),
 		 "cdclk state doesn't match!\n")) {
@@ -2137,6 +2196,46 @@ void intel_set_cdclk(struct drm_i915_pri
 	}
 }
 
+/**
+ * intel_set_cdclk_pre_plane_update - Push the CDCLK state to the hardware
+ * @dev_priv: i915 device
+ * @old_state: old CDCLK state
+ * @new_state: new CDCLK state
+ * @pipe: pipe with which to synchronize the update
+ *
+ * Program the hardware before updating the HW plane state based on the passed
+ * in CDCLK state, if necessary.
+ */
+void
+intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv,
+				 const struct intel_cdclk_state *old_state,
+				 const struct intel_cdclk_state *new_state,
+				 enum pipe pipe)
+{
+	if (pipe == INVALID_PIPE || old_state->cdclk <= new_state->cdclk)
+		intel_set_cdclk(dev_priv, new_state, pipe);
+}
+
+/**
+ * intel_set_cdclk_post_plane_update - Push the CDCLK state to the hardware
+ * @dev_priv: i915 device
+ * @old_state: old CDCLK state
+ * @new_state: new CDCLK state
+ * @pipe: pipe with which to synchronize the update
+ *
+ * Program the hardware after updating the HW plane state based on the passed
+ * in CDCLK state, if necessary.
+ */
+void
+intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv,
+				  const struct intel_cdclk_state *old_state,
+				  const struct intel_cdclk_state *new_state,
+				  enum pipe pipe)
+{
+	if (pipe != INVALID_PIPE && old_state->cdclk > new_state->cdclk)
+		intel_set_cdclk(dev_priv, new_state, pipe);
+}
+
 static int intel_pixel_rate_to_cdclk(struct drm_i915_private *dev_priv,
 				     int pixel_rate)
 {
@@ -2187,19 +2286,8 @@ int intel_crtc_compute_min_cdclk(const s
 	/*
 	 * According to BSpec, "The CD clock frequency must be at least twice
 	 * the frequency of the Azalia BCLK." and BCLK is 96 MHz by default.
-	 *
-	 * FIXME: Check the actual, not default, BCLK being used.
-	 *
-	 * FIXME: This does not depend on ->has_audio because the higher CDCLK
-	 * is required for audio probe, also when there are no audio capable
-	 * displays connected at probe time. This leads to unnecessarily high
-	 * CDCLK when audio is not required.
-	 *
-	 * FIXME: This limit is only applied when there are displays connected
-	 * at probe time. If we probe without displays, we'll still end up using
-	 * the platform minimum CDCLK, failing audio probe.
 	 */
-	if (INTEL_GEN(dev_priv) >= 9)
+	if (crtc_state->has_audio && INTEL_GEN(dev_priv) >= 9)
 		min_cdclk = max(2 * 96000, min_cdclk);
 
 	/*
@@ -2239,7 +2327,7 @@ static int intel_compute_min_cdclk(struc
 		intel_state->min_cdclk[i] = min_cdclk;
 	}
 
-	min_cdclk = 0;
+	min_cdclk = intel_state->cdclk.force_min_cdclk;
 	for_each_pipe(dev_priv, pipe)
 		min_cdclk = max(intel_state->min_cdclk[pipe], min_cdclk);
 
@@ -2300,7 +2388,8 @@ static int vlv_modeset_calc_cdclk(struct
 		vlv_calc_voltage_level(dev_priv, cdclk);
 
 	if (!intel_state->active_crtcs) {
-		cdclk = vlv_calc_cdclk(dev_priv, 0);
+		cdclk = vlv_calc_cdclk(dev_priv,
+				       intel_state->cdclk.force_min_cdclk);
 
 		intel_state->cdclk.actual.cdclk = cdclk;
 		intel_state->cdclk.actual.voltage_level =
@@ -2333,7 +2422,7 @@ static int bdw_modeset_calc_cdclk(struct
 		bdw_calc_voltage_level(cdclk);
 
 	if (!intel_state->active_crtcs) {
-		cdclk = bdw_calc_cdclk(0);
+		cdclk = bdw_calc_cdclk(intel_state->cdclk.force_min_cdclk);
 
 		intel_state->cdclk.actual.cdclk = cdclk;
 		intel_state->cdclk.actual.voltage_level =
@@ -2405,7 +2494,7 @@ static int skl_modeset_calc_cdclk(struct
 		skl_calc_voltage_level(cdclk);
 
 	if (!intel_state->active_crtcs) {
-		cdclk = skl_calc_cdclk(0, vco);
+		cdclk = skl_calc_cdclk(intel_state->cdclk.force_min_cdclk, vco);
 
 		intel_state->cdclk.actual.vco = vco;
 		intel_state->cdclk.actual.cdclk = cdclk;
@@ -2444,10 +2533,10 @@ static int bxt_modeset_calc_cdclk(struct
 
 	if (!intel_state->active_crtcs) {
 		if (IS_GEMINILAKE(dev_priv)) {
-			cdclk = glk_calc_cdclk(0);
+			cdclk = glk_calc_cdclk(intel_state->cdclk.force_min_cdclk);
 			vco = glk_de_pll_vco(dev_priv, cdclk);
 		} else {
-			cdclk = bxt_calc_cdclk(0);
+			cdclk = bxt_calc_cdclk(intel_state->cdclk.force_min_cdclk);
 			vco = bxt_de_pll_vco(dev_priv, cdclk);
 		}
 
@@ -2483,7 +2572,7 @@ static int cnl_modeset_calc_cdclk(struct
 		    cnl_compute_min_voltage_level(intel_state));
 
 	if (!intel_state->active_crtcs) {
-		cdclk = cnl_calc_cdclk(0);
+		cdclk = cnl_calc_cdclk(intel_state->cdclk.force_min_cdclk);
 		vco = cnl_cdclk_pll_vco(dev_priv, cdclk);
 
 		intel_state->cdclk.actual.vco = vco;
@@ -2519,7 +2608,7 @@ static int icl_modeset_calc_cdclk(struct
 		    cnl_compute_min_voltage_level(intel_state));
 
 	if (!intel_state->active_crtcs) {
-		cdclk = icl_calc_cdclk(0, ref);
+		cdclk = icl_calc_cdclk(intel_state->cdclk.force_min_cdclk, ref);
 		vco = icl_calc_cdclk_pll_vco(dev_priv, cdclk);
 
 		intel_state->cdclk.actual.vco = vco;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_display.c linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_display.c
--- linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_display.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_display.c	2019-07-03 07:13:45.000000000 -0400
@@ -12770,10 +12770,16 @@ static int intel_modeset_checks(struct d
 		return -EINVAL;
 	}
 
+	/* keep the current setting */
+	if (!intel_state->cdclk.force_min_cdclk_changed)
+		intel_state->cdclk.force_min_cdclk =
+			dev_priv->cdclk.force_min_cdclk;
+
 	intel_state->modeset = true;
 	intel_state->active_crtcs = dev_priv->active_crtcs;
 	intel_state->cdclk.logical = dev_priv->cdclk.logical;
 	intel_state->cdclk.actual = dev_priv->cdclk.actual;
+	intel_state->cdclk.pipe = INVALID_PIPE;
 
 	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
 		if (new_crtc_state->active)
@@ -12793,6 +12799,8 @@ static int intel_modeset_checks(struct d
 	 * adjusted_mode bits in the crtc directly.
 	 */
 	if (dev_priv->display.modeset_calc_cdclk) {
+		enum pipe pipe;
+
 		ret = dev_priv->display.modeset_calc_cdclk(state);
 		if (ret < 0)
 			return ret;
@@ -12809,12 +12817,36 @@ static int intel_modeset_checks(struct d
 				return ret;
 		}
 
+		if (is_power_of_2(intel_state->active_crtcs)) {
+			struct drm_crtc *crtc;
+			struct drm_crtc_state *crtc_state;
+
+			pipe = ilog2(intel_state->active_crtcs);
+			crtc = &intel_get_crtc_for_pipe(dev_priv, pipe)->base;
+			crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+			if (crtc_state && needs_modeset(crtc_state))
+				pipe = INVALID_PIPE;
+		} else {
+			pipe = INVALID_PIPE;
+		}
+
 		/* All pipes must be switched off while we change the cdclk. */
-		if (intel_cdclk_needs_modeset(&dev_priv->cdclk.actual,
-					      &intel_state->cdclk.actual)) {
+		if (pipe != INVALID_PIPE &&
+		    intel_cdclk_needs_cd2x_update(dev_priv,
+						  &dev_priv->cdclk.actual,
+						  &intel_state->cdclk.actual)) {
+			ret = intel_lock_all_pipes(state);
+			if (ret < 0)
+				return ret;
+
+			intel_state->cdclk.pipe = pipe;
+		} else if (intel_cdclk_needs_modeset(&dev_priv->cdclk.actual,
+						     &intel_state->cdclk.actual)) {
 			ret = intel_modeset_all_pipes(state);
 			if (ret < 0)
 				return ret;
+
+			intel_state->cdclk.pipe = INVALID_PIPE;
 		}
 
 		DRM_DEBUG_KMS("New cdclk calculated to be logical %u kHz, actual %u kHz\n",
@@ -12823,8 +12855,6 @@ static int intel_modeset_checks(struct d
 		DRM_DEBUG_KMS("New voltage level calculated to be logical %u, actual %u\n",
 			      intel_state->cdclk.logical.voltage_level,
 			      intel_state->cdclk.actual.voltage_level);
-	} else {
-		to_intel_atomic_state(state)->cdclk.logical = dev_priv->cdclk.logical;
 	}
 
 	intel_modeset_clear_plls(state);
@@ -12892,7 +12922,7 @@ static int intel_atomic_check(struct drm
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *old_crtc_state, *crtc_state;
 	int ret, i;
-	bool any_ms = false;
+	bool any_ms = intel_state->cdclk.force_min_cdclk_changed;
 
 	/* Catch I915_MODE_FLAG_INHERITED */
 	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
@@ -13248,7 +13278,10 @@ static void intel_atomic_commit_tail(str
 	if (intel_state->modeset) {
 		drm_atomic_helper_update_legacy_modeset_state(state->dev, state);
 
-		intel_set_cdclk(dev_priv, &dev_priv->cdclk.actual);
+		intel_set_cdclk_pre_plane_update(dev_priv,
+						 &intel_state->cdclk.actual,
+						 &dev_priv->cdclk.actual,
+						 intel_state->cdclk.pipe);
 
 		/*
 		 * SKL workaround: bspec recommends we disable the SAGV when we
@@ -13277,6 +13310,12 @@ static void intel_atomic_commit_tail(str
 	/* Now enable the clocks, plane, pipe, and connectors that we set up. */
 	dev_priv->display.update_crtcs(state);
 
+	if (intel_state->modeset)
+		intel_set_cdclk_post_plane_update(dev_priv,
+						  &intel_state->cdclk.actual,
+						  &dev_priv->cdclk.actual,
+						  intel_state->cdclk.pipe);
+
 	/* FIXME: We should call drm_atomic_helper_commit_hw_done() here
 	 * already, but still need the state for the delayed optimization. To
 	 * fix this:
@@ -13478,8 +13517,10 @@ static int intel_atomic_commit(struct dr
 		       intel_state->min_voltage_level,
 		       sizeof(intel_state->min_voltage_level));
 		dev_priv->active_crtcs = intel_state->active_crtcs;
-		dev_priv->cdclk.logical = intel_state->cdclk.logical;
-		dev_priv->cdclk.actual = intel_state->cdclk.actual;
+		dev_priv->cdclk.force_min_cdclk =
+			intel_state->cdclk.force_min_cdclk;
+
+		intel_cdclk_swap_state(intel_state);
 	}
 
 	drm_atomic_state_get(state);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_drv.h linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_drv.h
--- linux-libre-5.1.15-gnu/drivers/gpu/drm/i915/intel_drv.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/gpu/drm/i915/intel_drv.h	2019-07-03 07:13:45.000000000 -0400
@@ -480,6 +480,11 @@ struct intel_atomic_state {
 		 * state only when all crtc's are DPMS off.
 		 */
 		struct intel_cdclk_state actual;
+
+		int force_min_cdclk;
+		bool force_min_cdclk_changed;
+		/* pipe to which cd2x update is synchronized */
+		enum pipe pipe;
 	} cdclk;
 
 	bool dpll_set, modeset;
@@ -1590,12 +1595,24 @@ void intel_init_cdclk_hooks(struct drm_i
 void intel_update_max_cdclk(struct drm_i915_private *dev_priv);
 void intel_update_cdclk(struct drm_i915_private *dev_priv);
 void intel_update_rawclk(struct drm_i915_private *dev_priv);
+bool intel_cdclk_needs_cd2x_update(struct drm_i915_private *dev_priv,
+				   const struct intel_cdclk_state *a,
+				   const struct intel_cdclk_state *b);
 bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a,
 			       const struct intel_cdclk_state *b);
 bool intel_cdclk_changed(const struct intel_cdclk_state *a,
 			 const struct intel_cdclk_state *b);
-void intel_set_cdclk(struct drm_i915_private *dev_priv,
-		     const struct intel_cdclk_state *cdclk_state);
+void intel_cdclk_swap_state(struct intel_atomic_state *state);
+void
+intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv,
+				 const struct intel_cdclk_state *old_state,
+				 const struct intel_cdclk_state *new_state,
+				 enum pipe pipe);
+void
+intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv,
+				  const struct intel_cdclk_state *old_state,
+				  const struct intel_cdclk_state *new_state,
+				  enum pipe pipe);
 void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state,
 			    const char *context);
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/infiniband/core/addr.c linux-libre-5.1.16-gnu/drivers/infiniband/core/addr.c
--- linux-libre-5.1.15-gnu/drivers/infiniband/core/addr.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/infiniband/core/addr.c	2019-07-03 07:13:45.000000000 -0400
@@ -730,8 +730,8 @@ int roce_resolve_route_from_path(struct
 	if (rec->roce.route_resolved)
 		return 0;
 
-	rdma_gid2ip(&sgid._sockaddr, &rec->sgid);
-	rdma_gid2ip(&dgid._sockaddr, &rec->dgid);
+	rdma_gid2ip((struct sockaddr *)&sgid, &rec->sgid);
+	rdma_gid2ip((struct sockaddr *)&dgid, &rec->dgid);
 
 	if (sgid._sockaddr.sa_family != dgid._sockaddr.sa_family)
 		return -EINVAL;
@@ -742,7 +742,7 @@ int roce_resolve_route_from_path(struct
 	dev_addr.net = &init_net;
 	dev_addr.sgid_attr = attr;
 
-	ret = addr_resolve(&sgid._sockaddr, &dgid._sockaddr,
+	ret = addr_resolve((struct sockaddr *)&sgid, (struct sockaddr *)&dgid,
 			   &dev_addr, false, true, 0);
 	if (ret)
 		return ret;
@@ -814,22 +814,22 @@ int rdma_addr_find_l2_eth_by_grh(const u
 	struct rdma_dev_addr dev_addr;
 	struct resolve_cb_context ctx;
 	union {
-		struct sockaddr     _sockaddr;
 		struct sockaddr_in  _sockaddr_in;
 		struct sockaddr_in6 _sockaddr_in6;
 	} sgid_addr, dgid_addr;
 	int ret;
 
-	rdma_gid2ip(&sgid_addr._sockaddr, sgid);
-	rdma_gid2ip(&dgid_addr._sockaddr, dgid);
+	rdma_gid2ip((struct sockaddr *)&sgid_addr, sgid);
+	rdma_gid2ip((struct sockaddr *)&dgid_addr, dgid);
 
 	memset(&dev_addr, 0, sizeof(dev_addr));
 	dev_addr.net = &init_net;
 	dev_addr.sgid_attr = sgid_attr;
 
 	init_completion(&ctx.comp);
-	ret = rdma_resolve_ip(&sgid_addr._sockaddr, &dgid_addr._sockaddr,
-			      &dev_addr, 1000, resolve_cb, true, &ctx);
+	ret = rdma_resolve_ip((struct sockaddr *)&sgid_addr,
+			      (struct sockaddr *)&dgid_addr, &dev_addr, 1000,
+			      resolve_cb, true, &ctx);
 	if (ret)
 		return ret;
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/infiniband/hw/ocrdma/ocrdma_ah.c linux-libre-5.1.16-gnu/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
--- linux-libre-5.1.15-gnu/drivers/infiniband/hw/ocrdma/ocrdma_ah.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/infiniband/hw/ocrdma/ocrdma_ah.c	2019-07-03 07:13:45.000000000 -0400
@@ -83,7 +83,6 @@ static inline int set_av_attr(struct ocr
 	struct iphdr ipv4;
 	const struct ib_global_route *ib_grh;
 	union {
-		struct sockaddr     _sockaddr;
 		struct sockaddr_in  _sockaddr_in;
 		struct sockaddr_in6 _sockaddr_in6;
 	} sgid_addr, dgid_addr;
@@ -133,9 +132,9 @@ static inline int set_av_attr(struct ocr
 		ipv4.tot_len = htons(0);
 		ipv4.ttl = ib_grh->hop_limit;
 		ipv4.protocol = nxthdr;
-		rdma_gid2ip(&sgid_addr._sockaddr, sgid);
+		rdma_gid2ip((struct sockaddr *)&sgid_addr, sgid);
 		ipv4.saddr = sgid_addr._sockaddr_in.sin_addr.s_addr;
-		rdma_gid2ip(&dgid_addr._sockaddr, &ib_grh->dgid);
+		rdma_gid2ip((struct sockaddr*)&dgid_addr, &ib_grh->dgid);
 		ipv4.daddr = dgid_addr._sockaddr_in.sin_addr.s_addr;
 		memcpy((u8 *)ah->av + eth_sz, &ipv4, sizeof(struct iphdr));
 	} else {
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/infiniband/hw/ocrdma/ocrdma_hw.c linux-libre-5.1.16-gnu/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
--- linux-libre-5.1.15-gnu/drivers/infiniband/hw/ocrdma/ocrdma_hw.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/infiniband/hw/ocrdma/ocrdma_hw.c	2019-07-03 07:13:45.000000000 -0400
@@ -2499,7 +2499,6 @@ static int ocrdma_set_av_params(struct o
 	u32 vlan_id = 0xFFFF;
 	u8 mac_addr[6], hdr_type;
 	union {
-		struct sockaddr     _sockaddr;
 		struct sockaddr_in  _sockaddr_in;
 		struct sockaddr_in6 _sockaddr_in6;
 	} sgid_addr, dgid_addr;
@@ -2541,8 +2540,8 @@ static int ocrdma_set_av_params(struct o
 
 	hdr_type = rdma_gid_attr_network_type(sgid_attr);
 	if (hdr_type == RDMA_NETWORK_IPV4) {
-		rdma_gid2ip(&sgid_addr._sockaddr, &sgid_attr->gid);
-		rdma_gid2ip(&dgid_addr._sockaddr, &grh->dgid);
+		rdma_gid2ip((struct sockaddr *)&sgid_addr, &sgid_attr->gid);
+		rdma_gid2ip((struct sockaddr *)&dgid_addr, &grh->dgid);
 		memcpy(&cmd->params.dgid[0],
 		       &dgid_addr._sockaddr_in.sin_addr.s_addr, 4);
 		memcpy(&cmd->params.sgid[0],
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/irqchip/irq-mips-gic.c linux-libre-5.1.16-gnu/drivers/irqchip/irq-mips-gic.c
--- linux-libre-5.1.15-gnu/drivers/irqchip/irq-mips-gic.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/irqchip/irq-mips-gic.c	2019-07-03 07:13:45.000000000 -0400
@@ -388,7 +388,7 @@ static void gic_all_vpes_irq_cpu_online(
 	intr = GIC_HWIRQ_TO_LOCAL(d->hwirq);
 	cd = irq_data_get_irq_chip_data(d);
 
-	write_gic_vl_map(intr, cd->map);
+	write_gic_vl_map(mips_gic_vx_map_reg(intr), cd->map);
 	if (cd->mask)
 		write_gic_vl_smask(BIT(intr));
 }
@@ -517,7 +517,7 @@ static int gic_irq_domain_map(struct irq
 	spin_lock_irqsave(&gic_lock, flags);
 	for_each_online_cpu(cpu) {
 		write_gic_vl_other(mips_cm_vp_id(cpu));
-		write_gic_vo_map(intr, map);
+		write_gic_vo_map(mips_gic_vx_map_reg(intr), map);
 	}
 	spin_unlock_irqrestore(&gic_lock, flags);
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/md/dm-init.c linux-libre-5.1.16-gnu/drivers/md/dm-init.c
--- linux-libre-5.1.15-gnu/drivers/md/dm-init.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/md/dm-init.c	2019-07-03 07:13:45.000000000 -0400
@@ -140,8 +140,8 @@ static char __init *dm_parse_table_entry
 		return ERR_PTR(-EINVAL);
 	}
 	/* target_args */
-	dev->target_args_array[n] = kstrndup(field[3], GFP_KERNEL,
-					     DM_MAX_STR_SIZE);
+	dev->target_args_array[n] = kstrndup(field[3], DM_MAX_STR_SIZE,
+					     GFP_KERNEL);
 	if (!dev->target_args_array[n])
 		return ERR_PTR(-ENOMEM);
 
@@ -275,7 +275,7 @@ static int __init dm_init_init(void)
 		DMERR("Argument is too big. Limit is %d\n", DM_MAX_STR_SIZE);
 		return -EINVAL;
 	}
-	str = kstrndup(create, GFP_KERNEL, DM_MAX_STR_SIZE);
+	str = kstrndup(create, DM_MAX_STR_SIZE, GFP_KERNEL);
 	if (!str)
 		return -ENOMEM;
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/md/dm-log-writes.c linux-libre-5.1.16-gnu/drivers/md/dm-log-writes.c
--- linux-libre-5.1.15-gnu/drivers/md/dm-log-writes.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/md/dm-log-writes.c	2019-07-03 07:13:45.000000000 -0400
@@ -60,6 +60,7 @@
 
 #define WRITE_LOG_VERSION 1ULL
 #define WRITE_LOG_MAGIC 0x6a736677736872ULL
+#define WRITE_LOG_SUPER_SECTOR 0
 
 /*
  * The disk format for this is braindead simple.
@@ -115,6 +116,7 @@ struct log_writes_c {
 	struct list_head logging_blocks;
 	wait_queue_head_t wait;
 	struct task_struct *log_kthread;
+	struct completion super_done;
 };
 
 struct pending_block {
@@ -180,6 +182,14 @@ static void log_end_io(struct bio *bio)
 	bio_put(bio);
 }
 
+static void log_end_super(struct bio *bio)
+{
+	struct log_writes_c *lc = bio->bi_private;
+
+	complete(&lc->super_done);
+	log_end_io(bio);
+}
+
 /*
  * Meant to be called if there is an error, it will free all the pages
  * associated with the block.
@@ -215,7 +225,8 @@ static int write_metadata(struct log_wri
 	bio->bi_iter.bi_size = 0;
 	bio->bi_iter.bi_sector = sector;
 	bio_set_dev(bio, lc->logdev->bdev);
-	bio->bi_end_io = log_end_io;
+	bio->bi_end_io = (sector == WRITE_LOG_SUPER_SECTOR) ?
+			  log_end_super : log_end_io;
 	bio->bi_private = lc;
 	bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
 
@@ -418,11 +429,18 @@ static int log_super(struct log_writes_c
 	super.nr_entries = cpu_to_le64(lc->logged_entries);
 	super.sectorsize = cpu_to_le32(lc->sectorsize);
 
-	if (write_metadata(lc, &super, sizeof(super), NULL, 0, 0)) {
+	if (write_metadata(lc, &super, sizeof(super), NULL, 0,
+			   WRITE_LOG_SUPER_SECTOR)) {
 		DMERR("Couldn't write super");
 		return -1;
 	}
 
+	/*
+	 * Super sector should be writen in-order, otherwise the
+	 * nr_entries could be rewritten incorrectly by an old bio.
+	 */
+	wait_for_completion_io(&lc->super_done);
+
 	return 0;
 }
 
@@ -531,6 +549,7 @@ static int log_writes_ctr(struct dm_targ
 	INIT_LIST_HEAD(&lc->unflushed_blocks);
 	INIT_LIST_HEAD(&lc->logging_blocks);
 	init_waitqueue_head(&lc->wait);
+	init_completion(&lc->super_done);
 	atomic_set(&lc->io_blocks, 0);
 	atomic_set(&lc->pending_blocks, 0);
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/bonding/bond_main.c linux-libre-5.1.16-gnu/drivers/net/bonding/bond_main.c
--- linux-libre-5.1.15-gnu/drivers/net/bonding/bond_main.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/bonding/bond_main.c	2019-07-03 07:13:45.000000000 -0400
@@ -4321,12 +4321,12 @@ void bond_setup(struct net_device *bond_
 	bond_dev->features |= NETIF_F_NETNS_LOCAL;
 
 	bond_dev->hw_features = BOND_VLAN_FEATURES |
-				NETIF_F_HW_VLAN_CTAG_TX |
 				NETIF_F_HW_VLAN_CTAG_RX |
 				NETIF_F_HW_VLAN_CTAG_FILTER;
 
 	bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4;
 	bond_dev->features |= bond_dev->hw_features;
+	bond_dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
 }
 
 /* Destroy a bonding device.
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/aq_filters.c linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
--- linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/aq_filters.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/aq_filters.c	2019-07-03 07:13:45.000000000 -0400
@@ -843,9 +843,14 @@ int aq_filters_vlans_update(struct aq_ni
 		return err;
 
 	if (aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) {
-		if (hweight < AQ_VLAN_MAX_FILTERS)
-			err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw, true);
+		if (hweight < AQ_VLAN_MAX_FILTERS && hweight > 0) {
+			err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw,
+				!(aq_nic->packet_filter & IFF_PROMISC));
+			aq_nic->aq_nic_cfg.is_vlan_force_promisc = false;
+		} else {
 		/* otherwise left in promiscue mode */
+			aq_nic->aq_nic_cfg.is_vlan_force_promisc = true;
+		}
 	}
 
 	return err;
@@ -866,6 +871,7 @@ int aq_filters_vlan_offload_off(struct a
 	if (unlikely(!aq_hw_ops->hw_filter_vlan_ctrl))
 		return -EOPNOTSUPP;
 
+	aq_nic->aq_nic_cfg.is_vlan_force_promisc = true;
 	err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw, false);
 	if (err)
 		return err;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.c linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
--- linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.c	2019-07-03 07:13:45.000000000 -0400
@@ -117,6 +117,7 @@ void aq_nic_cfg_start(struct aq_nic_s *s
 
 	cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
 	cfg->features = cfg->aq_hw_caps->hw_features;
+	cfg->is_vlan_force_promisc = true;
 }
 
 static int aq_nic_update_link_status(struct aq_nic_s *self)
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.h linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
--- linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/aq_nic.h	2019-07-03 07:13:45.000000000 -0400
@@ -36,6 +36,7 @@ struct aq_nic_cfg_s {
 	u32 flow_control;
 	u32 link_speed_msk;
 	u32 wol;
+	bool is_vlan_force_promisc;
 	u16 is_mc_list_enabled;
 	u16 mc_list_count;
 	bool is_autoneg;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
--- linux-libre-5.1.15-gnu/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c	2019-07-03 07:13:45.000000000 -0400
@@ -771,8 +771,15 @@ static int hw_atl_b0_hw_packet_filter_se
 					  unsigned int packet_filter)
 {
 	unsigned int i = 0U;
+	struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+
+	hw_atl_rpfl2promiscuous_mode_en_set(self,
+					    IS_FILTER_ENABLED(IFF_PROMISC));
+
+	hw_atl_rpf_vlan_prom_mode_en_set(self,
+				     IS_FILTER_ENABLED(IFF_PROMISC) ||
+				     cfg->is_vlan_force_promisc);
 
-	hw_atl_rpfl2promiscuous_mode_en_set(self, IS_FILTER_ENABLED(IFF_PROMISC));
 	hw_atl_rpfl2multicast_flr_en_set(self,
 					 IS_FILTER_ENABLED(IFF_ALLMULTI), 0);
 
@@ -781,13 +788,13 @@ static int hw_atl_b0_hw_packet_filter_se
 
 	hw_atl_rpfl2broadcast_en_set(self, IS_FILTER_ENABLED(IFF_BROADCAST));
 
-	self->aq_nic_cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST);
+	cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST);
 
 	for (i = HW_ATL_B0_MAC_MIN; i < HW_ATL_B0_MAC_MAX; ++i)
 		hw_atl_rpfl2_uc_flr_en_set(self,
-					   (self->aq_nic_cfg->is_mc_list_enabled &&
-				    (i <= self->aq_nic_cfg->mc_list_count)) ?
-				    1U : 0U, i);
+					   (cfg->is_mc_list_enabled &&
+					    (i <= cfg->mc_list_count)) ?
+					   1U : 0U, i);
 
 	return aq_hw_err_from_flags(self);
 }
@@ -1079,7 +1086,7 @@ static int hw_atl_b0_hw_vlan_set(struct
 static int hw_atl_b0_hw_vlan_ctrl(struct aq_hw_s *self, bool enable)
 {
 	/* set promisc in case of disabing the vland filter */
-	hw_atl_rpf_vlan_prom_mode_en_set(self, !!!enable);
+	hw_atl_rpf_vlan_prom_mode_en_set(self, !enable);
 
 	return aq_hw_err_from_flags(self);
 }
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c linux-libre-5.1.16-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
--- linux-libre-5.1.15-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c	2019-07-03 07:13:45.000000000 -0400
@@ -122,7 +122,7 @@ static int adjust_systime(void __iomem *
 		 * programmed with (2^32 – <new_sec_value>)
 		 */
 		if (gmac4)
-			sec = (100000000ULL - sec);
+			sec = -sec;
 
 		value = readl(ioaddr + PTP_TCR);
 		if (value & PTP_TCR_TSCTRLSSR)
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c linux-libre-5.1.16-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
--- linux-libre-5.1.15-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c	2019-07-03 07:13:45.000000000 -0400
@@ -2957,12 +2957,15 @@ static netdev_tx_t stmmac_tso_xmit(struc
 
 	/* Manage tx mitigation */
 	tx_q->tx_count_frames += nfrags + 1;
-	if (priv->tx_coal_frames <= tx_q->tx_count_frames) {
+	if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) &&
+	    !(priv->synopsys_id >= DWMAC_CORE_4_00 &&
+	    (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
+	    priv->hwts_tx_en)) {
+		stmmac_tx_timer_arm(priv, queue);
+	} else {
+		tx_q->tx_count_frames = 0;
 		stmmac_set_tx_ic(priv, desc);
 		priv->xstats.tx_set_ic_bit++;
-		tx_q->tx_count_frames = 0;
-	} else {
-		stmmac_tx_timer_arm(priv, queue);
 	}
 
 	skb_tx_timestamp(skb);
@@ -3176,12 +3179,15 @@ static netdev_tx_t stmmac_xmit(struct sk
 	 * element in case of no SG.
 	 */
 	tx_q->tx_count_frames += nfrags + 1;
-	if (priv->tx_coal_frames <= tx_q->tx_count_frames) {
+	if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) &&
+	    !(priv->synopsys_id >= DWMAC_CORE_4_00 &&
+	    (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
+	    priv->hwts_tx_en)) {
+		stmmac_tx_timer_arm(priv, queue);
+	} else {
+		tx_q->tx_count_frames = 0;
 		stmmac_set_tx_ic(priv, desc);
 		priv->xstats.tx_set_ic_bit++;
-		tx_q->tx_count_frames = 0;
-	} else {
-		stmmac_tx_timer_arm(priv, queue);
 	}
 
 	skb_tx_timestamp(skb);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/team/team.c linux-libre-5.1.16-gnu/drivers/net/team/team.c
--- linux-libre-5.1.15-gnu/drivers/net/team/team.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/team/team.c	2019-07-03 07:13:45.000000000 -0400
@@ -2135,12 +2135,12 @@ static void team_setup(struct net_device
 	dev->features |= NETIF_F_NETNS_LOCAL;
 
 	dev->hw_features = TEAM_VLAN_FEATURES |
-			   NETIF_F_HW_VLAN_CTAG_TX |
 			   NETIF_F_HW_VLAN_CTAG_RX |
 			   NETIF_F_HW_VLAN_CTAG_FILTER;
 
 	dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4;
 	dev->features |= dev->hw_features;
+	dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
 }
 
 static int team_newlink(struct net *src_net, struct net_device *dev,
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/tun.c linux-libre-5.1.16-gnu/drivers/net/tun.c
--- linux-libre-5.1.15-gnu/drivers/net/tun.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/tun.c	2019-07-03 07:13:45.000000000 -0400
@@ -1024,18 +1024,8 @@ static void tun_net_uninit(struct net_de
 /* Net device open. */
 static int tun_net_open(struct net_device *dev)
 {
-	struct tun_struct *tun = netdev_priv(dev);
-	int i;
-
 	netif_tx_start_all_queues(dev);
 
-	for (i = 0; i < tun->numqueues; i++) {
-		struct tun_file *tfile;
-
-		tfile = rtnl_dereference(tun->tfiles[i]);
-		tfile->socket.sk->sk_write_space(tfile->socket.sk);
-	}
-
 	return 0;
 }
 
@@ -3636,6 +3626,7 @@ static int tun_device_event(struct notif
 {
 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct tun_struct *tun = netdev_priv(dev);
+	int i;
 
 	if (dev->rtnl_link_ops != &tun_link_ops)
 		return NOTIFY_DONE;
@@ -3645,6 +3636,14 @@ static int tun_device_event(struct notif
 		if (tun_queue_resize(tun))
 			return NOTIFY_BAD;
 		break;
+	case NETDEV_UP:
+		for (i = 0; i < tun->numqueues; i++) {
+			struct tun_file *tfile;
+
+			tfile = rtnl_dereference(tun->tfiles[i]);
+			tfile->socket.sk->sk_write_space(tfile->socket.sk);
+		}
+		break;
 	default:
 		break;
 	}
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/net/usb/qmi_wwan.c linux-libre-5.1.16-gnu/drivers/net/usb/qmi_wwan.c
--- linux-libre-5.1.15-gnu/drivers/net/usb/qmi_wwan.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/net/usb/qmi_wwan.c	2019-07-03 07:13:45.000000000 -0400
@@ -1412,7 +1412,7 @@ static int qmi_wwan_probe(struct usb_int
 	 * different. Ignore the current interface if the number of endpoints
 	 * equals the number for the diag interface (two).
 	 */
-	info = (void *)&id->driver_info;
+	info = (void *)id->driver_info;
 
 	if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) {
 		if (desc->bNumEndpoints == 2)
diff -druNp --no-dereference linux-libre-5.1.15-gnu/drivers/scsi/vmw_pvscsi.c linux-libre-5.1.16-gnu/drivers/scsi/vmw_pvscsi.c
--- linux-libre-5.1.15-gnu/drivers/scsi/vmw_pvscsi.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/drivers/scsi/vmw_pvscsi.c	2019-07-03 07:13:45.000000000 -0400
@@ -763,6 +763,7 @@ static int pvscsi_queue_lck(struct scsi_
 	struct pvscsi_adapter *adapter = shost_priv(host);
 	struct pvscsi_ctx *ctx;
 	unsigned long flags;
+	unsigned char op;
 
 	spin_lock_irqsave(&adapter->hw_lock, flags);
 
@@ -775,13 +776,14 @@ static int pvscsi_queue_lck(struct scsi_
 	}
 
 	cmd->scsi_done = done;
+	op = cmd->cmnd[0];
 
 	dev_dbg(&cmd->device->sdev_gendev,
-		"queued cmd %p, ctx %p, op=%x\n", cmd, ctx, cmd->cmnd[0]);
+		"queued cmd %p, ctx %p, op=%x\n", cmd, ctx, op);
 
 	spin_unlock_irqrestore(&adapter->hw_lock, flags);
 
-	pvscsi_kick_io(adapter, cmd->cmnd[0]);
+	pvscsi_kick_io(adapter, op);
 
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.15-gnu/fs/binfmt_flat.c linux-libre-5.1.16-gnu/fs/binfmt_flat.c
--- linux-libre-5.1.15-gnu/fs/binfmt_flat.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/fs/binfmt_flat.c	2019-07-03 07:13:45.000000000 -0400
@@ -856,9 +856,14 @@ err:
 
 static int load_flat_shared_library(int id, struct lib_info *libs)
 {
+	/*
+	 * This is a fake bprm struct; only the members "buf", "file" and
+	 * "filename" are actually used.
+	 */
 	struct linux_binprm bprm;
 	int res;
 	char buf[16];
+	loff_t pos = 0;
 
 	memset(&bprm, 0, sizeof(bprm));
 
@@ -872,25 +877,11 @@ static int load_flat_shared_library(int
 	if (IS_ERR(bprm.file))
 		return res;
 
-	bprm.cred = prepare_exec_creds();
-	res = -ENOMEM;
-	if (!bprm.cred)
-		goto out;
-
-	/* We don't really care about recalculating credentials at this point
-	 * as we're past the point of no return and are dealing with shared
-	 * libraries.
-	 */
-	bprm.called_set_creds = 1;
-
-	res = prepare_binprm(&bprm);
+	res = kernel_read(bprm.file, bprm.buf, BINPRM_BUF_SIZE, &pos);
 
-	if (!res)
+	if (res >= 0)
 		res = load_flat_file(&bprm, libs, id, NULL);
 
-	abort_creds(bprm.cred);
-
-out:
 	allow_write_access(bprm.file);
 	fput(bprm.file);
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/fs/inode.c linux-libre-5.1.16-gnu/fs/inode.c
--- linux-libre-5.1.15-gnu/fs/inode.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/fs/inode.c	2019-07-03 07:13:45.000000000 -0400
@@ -349,7 +349,7 @@ EXPORT_SYMBOL(inc_nlink);
 
 static void __address_space_init_once(struct address_space *mapping)
 {
-	xa_init_flags(&mapping->i_pages, XA_FLAGS_LOCK_IRQ);
+	xa_init_flags(&mapping->i_pages, XA_FLAGS_LOCK_IRQ | XA_FLAGS_ACCOUNT);
 	init_rwsem(&mapping->i_mmap_rwsem);
 	INIT_LIST_HEAD(&mapping->private_list);
 	spin_lock_init(&mapping->private_lock);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/fs/io_uring.c linux-libre-5.1.16-gnu/fs/io_uring.c
--- linux-libre-5.1.15-gnu/fs/io_uring.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/fs/io_uring.c	2019-07-03 07:13:45.000000000 -0400
@@ -533,6 +533,7 @@ static struct io_kiocb *io_get_req(struc
 		state->cur_req++;
 	}
 
+	req->file = NULL;
 	req->ctx = ctx;
 	req->flags = 0;
 	/* one is dropped after submission, the other at completion */
@@ -1684,10 +1685,8 @@ static int io_req_set_file(struct io_rin
 	flags = READ_ONCE(s->sqe->flags);
 	fd = READ_ONCE(s->sqe->fd);
 
-	if (!io_op_needs_file(s->sqe)) {
-		req->file = NULL;
+	if (!io_op_needs_file(s->sqe))
 		return 0;
-	}
 
 	if (flags & IOSQE_FIXED_FILE) {
 		if (unlikely(!ctx->user_files ||
diff -druNp --no-dereference linux-libre-5.1.15-gnu/fs/nfs/flexfilelayout/flexfilelayoutdev.c linux-libre-5.1.16-gnu/fs/nfs/flexfilelayout/flexfilelayoutdev.c
--- linux-libre-5.1.15-gnu/fs/nfs/flexfilelayout/flexfilelayoutdev.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/fs/nfs/flexfilelayout/flexfilelayoutdev.c	2019-07-03 07:13:45.000000000 -0400
@@ -18,7 +18,7 @@
 
 #define NFSDBG_FACILITY		NFSDBG_PNFS_LD
 
-static unsigned int dataserver_timeo = NFS_DEF_TCP_RETRANS;
+static unsigned int dataserver_timeo = NFS_DEF_TCP_TIMEO;
 static unsigned int dataserver_retrans;
 
 static bool ff_layout_has_available_ds(struct pnfs_layout_segment *lseg);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/fs/notify/fanotify/fanotify.c linux-libre-5.1.16-gnu/fs/notify/fanotify/fanotify.c
--- linux-libre-5.1.15-gnu/fs/notify/fanotify/fanotify.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/fs/notify/fanotify/fanotify.c	2019-07-03 07:13:45.000000000 -0400
@@ -355,6 +355,10 @@ static __kernel_fsid_t fanotify_get_fsid
 		/* Mark is just getting destroyed or created? */
 		if (!conn)
 			continue;
+		if (!(conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID))
+			continue;
+		/* Pairs with smp_wmb() in fsnotify_add_mark_list() */
+		smp_rmb();
 		fsid = conn->fsid;
 		if (WARN_ON_ONCE(!fsid.val[0] && !fsid.val[1]))
 			continue;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/fs/notify/mark.c linux-libre-5.1.16-gnu/fs/notify/mark.c
--- linux-libre-5.1.15-gnu/fs/notify/mark.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/fs/notify/mark.c	2019-07-03 07:13:45.000000000 -0400
@@ -495,10 +495,13 @@ static int fsnotify_attach_connector_to_
 	conn->type = type;
 	conn->obj = connp;
 	/* Cache fsid of filesystem containing the object */
-	if (fsid)
+	if (fsid) {
 		conn->fsid = *fsid;
-	else
+		conn->flags = FSNOTIFY_CONN_FLAG_HAS_FSID;
+	} else {
 		conn->fsid.val[0] = conn->fsid.val[1] = 0;
+		conn->flags = 0;
+	}
 	if (conn->type == FSNOTIFY_OBJ_TYPE_INODE)
 		inode = igrab(fsnotify_conn_inode(conn));
 	/*
@@ -573,7 +576,12 @@ restart:
 		if (err)
 			return err;
 		goto restart;
-	} else if (fsid && (conn->fsid.val[0] || conn->fsid.val[1]) &&
+	} else if (fsid && !(conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID)) {
+		conn->fsid = *fsid;
+		/* Pairs with smp_rmb() in fanotify_get_fsid() */
+		smp_wmb();
+		conn->flags |= FSNOTIFY_CONN_FLAG_HAS_FSID;
+	} else if (fsid && (conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID) &&
 		   (fsid->val[0] != conn->fsid.val[0] ||
 		    fsid->val[1] != conn->fsid.val[1])) {
 		/*
diff -druNp --no-dereference linux-libre-5.1.15-gnu/fs/proc/array.c linux-libre-5.1.16-gnu/fs/proc/array.c
--- linux-libre-5.1.15-gnu/fs/proc/array.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/fs/proc/array.c	2019-07-03 07:13:45.000000000 -0400
@@ -462,7 +462,7 @@ static int do_task_stat(struct seq_file
 		 * a program is not able to use ptrace(2) in that case. It is
 		 * safe because the task has stopped executing permanently.
 		 */
-		if (permitted && (task->flags & PF_DUMPCORE)) {
+		if (permitted && (task->flags & (PF_EXITING|PF_DUMPCORE))) {
 			if (try_get_task_stack(task)) {
 				eip = KSTK_EIP(task);
 				esp = KSTK_ESP(task);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/include/asm-generic/futex.h linux-libre-5.1.16-gnu/include/asm-generic/futex.h
--- linux-libre-5.1.15-gnu/include/asm-generic/futex.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/include/asm-generic/futex.h	2019-07-03 07:13:45.000000000 -0400
@@ -23,7 +23,9 @@
  *
  * Return:
  * 0 - On success
- * <0 - On error
+ * -EFAULT - User access resulted in a page fault
+ * -EAGAIN - Atomic operation was unable to complete due to contention
+ * -ENOSYS - Operation not supported
  */
 static inline int
 arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 __user *uaddr)
@@ -85,7 +87,9 @@ out_pagefault_enable:
  *
  * Return:
  * 0 - On success
- * <0 - On error
+ * -EFAULT - User access resulted in a page fault
+ * -EAGAIN - Atomic operation was unable to complete due to contention
+ * -ENOSYS - Function not implemented (only if !HAVE_FUTEX_CMPXCHG)
  */
 static inline int
 futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
diff -druNp --no-dereference linux-libre-5.1.15-gnu/include/linux/bpf-cgroup.h linux-libre-5.1.16-gnu/include/linux/bpf-cgroup.h
--- linux-libre-5.1.15-gnu/include/linux/bpf-cgroup.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/include/linux/bpf-cgroup.h	2019-07-03 07:13:45.000000000 -0400
@@ -230,6 +230,12 @@ int bpf_percpu_cgroup_storage_update(str
 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx)		       \
 	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_SENDMSG, t_ctx)
 
+#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr)			\
+	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP4_RECVMSG, NULL)
+
+#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr)			\
+	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_RECVMSG, NULL)
+
 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops)				       \
 ({									       \
 	int __ret = 0;							       \
@@ -319,6 +325,8 @@ static inline int bpf_percpu_cgroup_stor
 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) ({ 0; })
 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
+#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) ({ 0; })
+#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) ({ 0; })
 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type,major,minor,access) ({ 0; })
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/include/linux/fsnotify_backend.h linux-libre-5.1.16-gnu/include/linux/fsnotify_backend.h
--- linux-libre-5.1.15-gnu/include/linux/fsnotify_backend.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/include/linux/fsnotify_backend.h	2019-07-03 07:13:45.000000000 -0400
@@ -292,7 +292,9 @@ typedef struct fsnotify_mark_connector _
  */
 struct fsnotify_mark_connector {
 	spinlock_t lock;
-	unsigned int type;	/* Type of object [lock] */
+	unsigned short type;	/* Type of object [lock] */
+#define FSNOTIFY_CONN_FLAG_HAS_FSID	0x01
+	unsigned short flags;	/* flags [lock] */
 	__kernel_fsid_t fsid;	/* fsid of filesystem containing object */
 	union {
 		/* Object pointer [lock] */
diff -druNp --no-dereference linux-libre-5.1.15-gnu/include/linux/xarray.h linux-libre-5.1.16-gnu/include/linux/xarray.h
--- linux-libre-5.1.15-gnu/include/linux/xarray.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/include/linux/xarray.h	2019-07-03 07:13:45.000000000 -0400
@@ -265,6 +265,7 @@ enum xa_lock_type {
 #define XA_FLAGS_TRACK_FREE	((__force gfp_t)4U)
 #define XA_FLAGS_ZERO_BUSY	((__force gfp_t)8U)
 #define XA_FLAGS_ALLOC_WRAPPED	((__force gfp_t)16U)
+#define XA_FLAGS_ACCOUNT	((__force gfp_t)32U)
 #define XA_FLAGS_MARK(mark)	((__force gfp_t)((1U << __GFP_BITS_SHIFT) << \
 						(__force unsigned)(mark)))
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/include/net/tls.h linux-libre-5.1.16-gnu/include/net/tls.h
--- linux-libre-5.1.15-gnu/include/net/tls.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/include/net/tls.h	2019-07-03 07:13:45.000000000 -0400
@@ -347,21 +347,6 @@ static inline bool tls_is_partially_sent
 	return !!ctx->partially_sent_record;
 }
 
-static inline int tls_complete_pending_work(struct sock *sk,
-					    struct tls_context *ctx,
-					    int flags, long *timeo)
-{
-	int rc = 0;
-
-	if (unlikely(sk->sk_write_pending))
-		rc = wait_on_pending_writer(sk, timeo);
-
-	if (!rc && tls_is_partially_sent_record(ctx))
-		rc = tls_push_partial_record(sk, ctx, flags);
-
-	return rc;
-}
-
 static inline bool tls_is_pending_open_record(struct tls_context *tls_ctx)
 {
 	return tls_ctx->pending_open_record_frags;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/include/uapi/linux/bpf.h linux-libre-5.1.16-gnu/include/uapi/linux/bpf.h
--- linux-libre-5.1.15-gnu/include/uapi/linux/bpf.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/include/uapi/linux/bpf.h	2019-07-03 07:13:45.000000000 -0400
@@ -187,6 +187,8 @@ enum bpf_attach_type {
 	BPF_CGROUP_UDP6_SENDMSG,
 	BPF_LIRC_MODE2,
 	BPF_FLOW_DISSECTOR,
+	BPF_CGROUP_UDP4_RECVMSG = 19,
+	BPF_CGROUP_UDP6_RECVMSG,
 	__MAX_BPF_ATTACH_TYPE
 };
 
@@ -3104,8 +3106,8 @@ struct bpf_raw_tracepoint_args {
 /* DIRECT:  Skip the FIB rules and go to FIB table associated with device
  * OUTPUT:  Do lookup from egress perspective; default is ingress
  */
-#define BPF_FIB_LOOKUP_DIRECT  BIT(0)
-#define BPF_FIB_LOOKUP_OUTPUT  BIT(1)
+#define BPF_FIB_LOOKUP_DIRECT  (1U << 0)
+#define BPF_FIB_LOOKUP_OUTPUT  (1U << 1)
 
 enum {
 	BPF_FIB_LKUP_RET_SUCCESS,      /* lookup successful */
diff -druNp --no-dereference linux-libre-5.1.15-gnu/kernel/bpf/lpm_trie.c linux-libre-5.1.16-gnu/kernel/bpf/lpm_trie.c
--- linux-libre-5.1.15-gnu/kernel/bpf/lpm_trie.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/kernel/bpf/lpm_trie.c	2019-07-03 07:13:45.000000000 -0400
@@ -715,9 +715,14 @@ find_leftmost:
 	 * have exact two children, so this function will never return NULL.
 	 */
 	for (node = search_root; node;) {
-		if (!(node->flags & LPM_TREE_NODE_FLAG_IM))
+		if (node->flags & LPM_TREE_NODE_FLAG_IM) {
+			node = rcu_dereference(node->child[0]);
+		} else {
 			next_node = node;
-		node = rcu_dereference(node->child[0]);
+			node = rcu_dereference(node->child[0]);
+			if (!node)
+				node = rcu_dereference(next_node->child[1]);
+		}
 	}
 do_copy:
 	next_key->prefixlen = next_node->prefixlen;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/kernel/bpf/syscall.c linux-libre-5.1.16-gnu/kernel/bpf/syscall.c
--- linux-libre-5.1.15-gnu/kernel/bpf/syscall.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/kernel/bpf/syscall.c	2019-07-03 07:13:45.000000000 -0400
@@ -1520,6 +1520,8 @@ bpf_prog_load_check_attach_type(enum bpf
 		case BPF_CGROUP_INET6_CONNECT:
 		case BPF_CGROUP_UDP4_SENDMSG:
 		case BPF_CGROUP_UDP6_SENDMSG:
+		case BPF_CGROUP_UDP4_RECVMSG:
+		case BPF_CGROUP_UDP6_RECVMSG:
 			return 0;
 		default:
 			return -EINVAL;
@@ -1809,6 +1811,8 @@ static int bpf_prog_attach(const union b
 	case BPF_CGROUP_INET6_CONNECT:
 	case BPF_CGROUP_UDP4_SENDMSG:
 	case BPF_CGROUP_UDP6_SENDMSG:
+	case BPF_CGROUP_UDP4_RECVMSG:
+	case BPF_CGROUP_UDP6_RECVMSG:
 		ptype = BPF_PROG_TYPE_CGROUP_SOCK_ADDR;
 		break;
 	case BPF_CGROUP_SOCK_OPS:
@@ -1891,6 +1895,8 @@ static int bpf_prog_detach(const union b
 	case BPF_CGROUP_INET6_CONNECT:
 	case BPF_CGROUP_UDP4_SENDMSG:
 	case BPF_CGROUP_UDP6_SENDMSG:
+	case BPF_CGROUP_UDP4_RECVMSG:
+	case BPF_CGROUP_UDP6_RECVMSG:
 		ptype = BPF_PROG_TYPE_CGROUP_SOCK_ADDR;
 		break;
 	case BPF_CGROUP_SOCK_OPS:
@@ -1939,6 +1945,8 @@ static int bpf_prog_query(const union bp
 	case BPF_CGROUP_INET6_CONNECT:
 	case BPF_CGROUP_UDP4_SENDMSG:
 	case BPF_CGROUP_UDP6_SENDMSG:
+	case BPF_CGROUP_UDP4_RECVMSG:
+	case BPF_CGROUP_UDP6_RECVMSG:
 	case BPF_CGROUP_SOCK_OPS:
 	case BPF_CGROUP_DEVICE:
 		break;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/kernel/bpf/verifier.c linux-libre-5.1.16-gnu/kernel/bpf/verifier.c
--- linux-libre-5.1.15-gnu/kernel/bpf/verifier.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/kernel/bpf/verifier.c	2019-07-03 07:13:45.000000000 -0400
@@ -5145,9 +5145,12 @@ static int check_return_code(struct bpf_
 	struct tnum range = tnum_range(0, 1);
 
 	switch (env->prog->type) {
+	case BPF_PROG_TYPE_CGROUP_SOCK_ADDR:
+		if (env->prog->expected_attach_type == BPF_CGROUP_UDP4_RECVMSG ||
+		    env->prog->expected_attach_type == BPF_CGROUP_UDP6_RECVMSG)
+			range = tnum_range(1, 1);
 	case BPF_PROG_TYPE_CGROUP_SKB:
 	case BPF_PROG_TYPE_CGROUP_SOCK:
-	case BPF_PROG_TYPE_CGROUP_SOCK_ADDR:
 	case BPF_PROG_TYPE_SOCK_OPS:
 	case BPF_PROG_TYPE_CGROUP_DEVICE:
 		break;
@@ -5163,16 +5166,17 @@ static int check_return_code(struct bpf_
 	}
 
 	if (!tnum_in(range, reg->var_off)) {
+		char tn_buf[48];
+
 		verbose(env, "At program exit the register R0 ");
 		if (!tnum_is_unknown(reg->var_off)) {
-			char tn_buf[48];
-
 			tnum_strn(tn_buf, sizeof(tn_buf), reg->var_off);
 			verbose(env, "has value %s", tn_buf);
 		} else {
 			verbose(env, "has unknown scalar value");
 		}
-		verbose(env, " should have been 0 or 1\n");
+		tnum_strn(tn_buf, sizeof(tn_buf), range);
+		verbose(env, " should have been in %s\n", tn_buf);
 		return -EINVAL;
 	}
 	return 0;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/kernel/cpu.c linux-libre-5.1.16-gnu/kernel/cpu.c
--- linux-libre-5.1.15-gnu/kernel/cpu.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/kernel/cpu.c	2019-07-03 07:13:45.000000000 -0400
@@ -2315,6 +2315,9 @@ static int __init mitigations_parse_cmdl
 		cpu_mitigations = CPU_MITIGATIONS_AUTO;
 	else if (!strcmp(arg, "auto,nosmt"))
 		cpu_mitigations = CPU_MITIGATIONS_AUTO_NOSMT;
+	else
+		pr_crit("Unsupported mitigations=%s, system may still be vulnerable\n",
+			arg);
 
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.15-gnu/kernel/trace/bpf_trace.c linux-libre-5.1.16-gnu/kernel/trace/bpf_trace.c
--- linux-libre-5.1.15-gnu/kernel/trace/bpf_trace.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/kernel/trace/bpf_trace.c	2019-07-03 07:13:45.000000000 -0400
@@ -402,8 +402,6 @@ static const struct bpf_func_proto bpf_p
 	.arg4_type	= ARG_CONST_SIZE,
 };
 
-static DEFINE_PER_CPU(struct perf_sample_data, bpf_trace_sd);
-
 static __always_inline u64
 __bpf_perf_event_output(struct pt_regs *regs, struct bpf_map *map,
 			u64 flags, struct perf_sample_data *sd)
@@ -434,24 +432,50 @@ __bpf_perf_event_output(struct pt_regs *
 	return perf_event_output(event, sd, regs);
 }
 
+/*
+ * Support executing tracepoints in normal, irq, and nmi context that each call
+ * bpf_perf_event_output
+ */
+struct bpf_trace_sample_data {
+	struct perf_sample_data sds[3];
+};
+
+static DEFINE_PER_CPU(struct bpf_trace_sample_data, bpf_trace_sds);
+static DEFINE_PER_CPU(int, bpf_trace_nest_level);
 BPF_CALL_5(bpf_perf_event_output, struct pt_regs *, regs, struct bpf_map *, map,
 	   u64, flags, void *, data, u64, size)
 {
-	struct perf_sample_data *sd = this_cpu_ptr(&bpf_trace_sd);
+	struct bpf_trace_sample_data *sds = this_cpu_ptr(&bpf_trace_sds);
+	int nest_level = this_cpu_inc_return(bpf_trace_nest_level);
 	struct perf_raw_record raw = {
 		.frag = {
 			.size = size,
 			.data = data,
 		},
 	};
+	struct perf_sample_data *sd;
+	int err;
 
-	if (unlikely(flags & ~(BPF_F_INDEX_MASK)))
-		return -EINVAL;
+	if (WARN_ON_ONCE(nest_level > ARRAY_SIZE(sds->sds))) {
+		err = -EBUSY;
+		goto out;
+	}
+
+	sd = &sds->sds[nest_level - 1];
+
+	if (unlikely(flags & ~(BPF_F_INDEX_MASK))) {
+		err = -EINVAL;
+		goto out;
+	}
 
 	perf_sample_data_init(sd, 0, 0);
 	sd->raw = &raw;
 
-	return __bpf_perf_event_output(regs, map, flags, sd);
+	err = __bpf_perf_event_output(regs, map, flags, sd);
+
+out:
+	this_cpu_dec(bpf_trace_nest_level);
+	return err;
 }
 
 static const struct bpf_func_proto bpf_perf_event_output_proto = {
@@ -808,16 +832,48 @@ pe_prog_func_proto(enum bpf_func_id func
 /*
  * bpf_raw_tp_regs are separate from bpf_pt_regs used from skb/xdp
  * to avoid potential recursive reuse issue when/if tracepoints are added
- * inside bpf_*_event_output, bpf_get_stackid and/or bpf_get_stack
+ * inside bpf_*_event_output, bpf_get_stackid and/or bpf_get_stack.
+ *
+ * Since raw tracepoints run despite bpf_prog_active, support concurrent usage
+ * in normal, irq, and nmi context.
  */
-static DEFINE_PER_CPU(struct pt_regs, bpf_raw_tp_regs);
+struct bpf_raw_tp_regs {
+	struct pt_regs regs[3];
+};
+static DEFINE_PER_CPU(struct bpf_raw_tp_regs, bpf_raw_tp_regs);
+static DEFINE_PER_CPU(int, bpf_raw_tp_nest_level);
+static struct pt_regs *get_bpf_raw_tp_regs(void)
+{
+	struct bpf_raw_tp_regs *tp_regs = this_cpu_ptr(&bpf_raw_tp_regs);
+	int nest_level = this_cpu_inc_return(bpf_raw_tp_nest_level);
+
+	if (WARN_ON_ONCE(nest_level > ARRAY_SIZE(tp_regs->regs))) {
+		this_cpu_dec(bpf_raw_tp_nest_level);
+		return ERR_PTR(-EBUSY);
+	}
+
+	return &tp_regs->regs[nest_level - 1];
+}
+
+static void put_bpf_raw_tp_regs(void)
+{
+	this_cpu_dec(bpf_raw_tp_nest_level);
+}
+
 BPF_CALL_5(bpf_perf_event_output_raw_tp, struct bpf_raw_tracepoint_args *, args,
 	   struct bpf_map *, map, u64, flags, void *, data, u64, size)
 {
-	struct pt_regs *regs = this_cpu_ptr(&bpf_raw_tp_regs);
+	struct pt_regs *regs = get_bpf_raw_tp_regs();
+	int ret;
+
+	if (IS_ERR(regs))
+		return PTR_ERR(regs);
 
 	perf_fetch_caller_regs(regs);
-	return ____bpf_perf_event_output(regs, map, flags, data, size);
+	ret = ____bpf_perf_event_output(regs, map, flags, data, size);
+
+	put_bpf_raw_tp_regs();
+	return ret;
 }
 
 static const struct bpf_func_proto bpf_perf_event_output_proto_raw_tp = {
@@ -834,12 +890,18 @@ static const struct bpf_func_proto bpf_p
 BPF_CALL_3(bpf_get_stackid_raw_tp, struct bpf_raw_tracepoint_args *, args,
 	   struct bpf_map *, map, u64, flags)
 {
-	struct pt_regs *regs = this_cpu_ptr(&bpf_raw_tp_regs);
+	struct pt_regs *regs = get_bpf_raw_tp_regs();
+	int ret;
+
+	if (IS_ERR(regs))
+		return PTR_ERR(regs);
 
 	perf_fetch_caller_regs(regs);
 	/* similar to bpf_perf_event_output_tp, but pt_regs fetched differently */
-	return bpf_get_stackid((unsigned long) regs, (unsigned long) map,
-			       flags, 0, 0);
+	ret = bpf_get_stackid((unsigned long) regs, (unsigned long) map,
+			      flags, 0, 0);
+	put_bpf_raw_tp_regs();
+	return ret;
 }
 
 static const struct bpf_func_proto bpf_get_stackid_proto_raw_tp = {
@@ -854,11 +916,17 @@ static const struct bpf_func_proto bpf_g
 BPF_CALL_4(bpf_get_stack_raw_tp, struct bpf_raw_tracepoint_args *, args,
 	   void *, buf, u32, size, u64, flags)
 {
-	struct pt_regs *regs = this_cpu_ptr(&bpf_raw_tp_regs);
+	struct pt_regs *regs = get_bpf_raw_tp_regs();
+	int ret;
+
+	if (IS_ERR(regs))
+		return PTR_ERR(regs);
 
 	perf_fetch_caller_regs(regs);
-	return bpf_get_stack((unsigned long) regs, (unsigned long) buf,
-			     (unsigned long) size, flags, 0);
+	ret = bpf_get_stack((unsigned long) regs, (unsigned long) buf,
+			    (unsigned long) size, flags, 0);
+	put_bpf_raw_tp_regs();
+	return ret;
 }
 
 static const struct bpf_func_proto bpf_get_stack_proto_raw_tp = {
diff -druNp --no-dereference linux-libre-5.1.15-gnu/kernel/trace/trace_branch.c linux-libre-5.1.16-gnu/kernel/trace/trace_branch.c
--- linux-libre-5.1.15-gnu/kernel/trace/trace_branch.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/kernel/trace/trace_branch.c	2019-07-03 07:13:45.000000000 -0400
@@ -205,8 +205,6 @@ void trace_likely_condition(struct ftrac
 void ftrace_likely_update(struct ftrace_likely_data *f, int val,
 			  int expect, int is_constant)
 {
-	unsigned long flags = user_access_save();
-
 	/* A constant is always correct */
 	if (is_constant) {
 		f->constant++;
@@ -225,8 +223,6 @@ void ftrace_likely_update(struct ftrace_
 		f->data.correct++;
 	else
 		f->data.incorrect++;
-
-	user_access_restore(flags);
 }
 EXPORT_SYMBOL(ftrace_likely_update);
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/lib/xarray.c linux-libre-5.1.16-gnu/lib/xarray.c
--- linux-libre-5.1.15-gnu/lib/xarray.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/lib/xarray.c	2019-07-03 07:13:45.000000000 -0400
@@ -298,6 +298,8 @@ bool xas_nomem(struct xa_state *xas, gfp
 		xas_destroy(xas);
 		return false;
 	}
+	if (xas->xa->xa_flags & XA_FLAGS_ACCOUNT)
+		gfp |= __GFP_ACCOUNT;
 	xas->xa_alloc = kmem_cache_alloc(radix_tree_node_cachep, gfp);
 	if (!xas->xa_alloc)
 		return false;
@@ -325,6 +327,8 @@ static bool __xas_nomem(struct xa_state
 		xas_destroy(xas);
 		return false;
 	}
+	if (xas->xa->xa_flags & XA_FLAGS_ACCOUNT)
+		gfp |= __GFP_ACCOUNT;
 	if (gfpflags_allow_blocking(gfp)) {
 		xas_unlock_type(xas, lock_type);
 		xas->xa_alloc = kmem_cache_alloc(radix_tree_node_cachep, gfp);
@@ -358,8 +362,12 @@ static void *xas_alloc(struct xa_state *
 	if (node) {
 		xas->xa_alloc = NULL;
 	} else {
-		node = kmem_cache_alloc(radix_tree_node_cachep,
-					GFP_NOWAIT | __GFP_NOWARN);
+		gfp_t gfp = GFP_NOWAIT | __GFP_NOWARN;
+
+		if (xas->xa->xa_flags & XA_FLAGS_ACCOUNT)
+			gfp |= __GFP_ACCOUNT;
+
+		node = kmem_cache_alloc(radix_tree_node_cachep, gfp);
 		if (!node) {
 			xas_set_err(xas, -ENOMEM);
 			return NULL;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/Makefile linux-libre-5.1.16-gnu/Makefile
--- linux-libre-5.1.15-gnu/Makefile	2019-06-25 00:28:07.000000000 -0400
+++ linux-libre-5.1.16-gnu/Makefile	2019-07-03 16:37:01.000000000 -0400
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 1
-SUBLEVEL = 15
+SUBLEVEL = 16
 EXTRAVERSION = -gnu
 NAME = Shy Crocodile
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/mm/hugetlb.c linux-libre-5.1.16-gnu/mm/hugetlb.c
--- linux-libre-5.1.15-gnu/mm/hugetlb.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/mm/hugetlb.c	2019-07-03 07:13:45.000000000 -0400
@@ -1491,16 +1491,29 @@ static int free_pool_huge_page(struct hs
 
 /*
  * Dissolve a given free hugepage into free buddy pages. This function does
- * nothing for in-use (including surplus) hugepages. Returns -EBUSY if the
- * dissolution fails because a give page is not a free hugepage, or because
- * free hugepages are fully reserved.
+ * nothing for in-use hugepages and non-hugepages.
+ * This function returns values like below:
+ *
+ *  -EBUSY: failed to dissolved free hugepages or the hugepage is in-use
+ *          (allocated or reserved.)
+ *       0: successfully dissolved free hugepages or the page is not a
+ *          hugepage (considered as already dissolved)
  */
 int dissolve_free_huge_page(struct page *page)
 {
 	int rc = -EBUSY;
 
+	/* Not to disrupt normal path by vainly holding hugetlb_lock */
+	if (!PageHuge(page))
+		return 0;
+
 	spin_lock(&hugetlb_lock);
-	if (PageHuge(page) && !page_count(page)) {
+	if (!PageHuge(page)) {
+		rc = 0;
+		goto out;
+	}
+
+	if (!page_count(page)) {
 		struct page *head = compound_head(page);
 		struct hstate *h = page_hstate(head);
 		int nid = page_to_nid(head);
@@ -1545,11 +1558,9 @@ int dissolve_free_huge_pages(unsigned lo
 
 	for (pfn = start_pfn; pfn < end_pfn; pfn += 1 << minimum_order) {
 		page = pfn_to_page(pfn);
-		if (PageHuge(page) && !page_count(page)) {
-			rc = dissolve_free_huge_page(page);
-			if (rc)
-				break;
-		}
+		rc = dissolve_free_huge_page(page);
+		if (rc)
+			break;
 	}
 
 	return rc;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/mm/memory-failure.c linux-libre-5.1.16-gnu/mm/memory-failure.c
--- linux-libre-5.1.15-gnu/mm/memory-failure.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/mm/memory-failure.c	2019-07-03 07:13:45.000000000 -0400
@@ -1733,6 +1733,8 @@ static int soft_offline_huge_page(struct
 		if (!ret) {
 			if (set_hwpoison_free_buddy_page(page))
 				num_poisoned_pages_inc();
+			else
+				ret = -EBUSY;
 		}
 	}
 	return ret;
@@ -1857,11 +1859,8 @@ static int soft_offline_in_use_page(stru
 
 static int soft_offline_free_page(struct page *page)
 {
-	int rc = 0;
-	struct page *head = compound_head(page);
+	int rc = dissolve_free_huge_page(page);
 
-	if (PageHuge(head))
-		rc = dissolve_free_huge_page(page);
 	if (!rc) {
 		if (set_hwpoison_free_buddy_page(page))
 			num_poisoned_pages_inc();
diff -druNp --no-dereference linux-libre-5.1.15-gnu/mm/mempolicy.c linux-libre-5.1.16-gnu/mm/mempolicy.c
--- linux-libre-5.1.15-gnu/mm/mempolicy.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/mm/mempolicy.c	2019-07-03 07:13:45.000000000 -0400
@@ -306,7 +306,7 @@ static void mpol_rebind_nodemask(struct
 	else {
 		nodes_remap(tmp, pol->v.nodes,pol->w.cpuset_mems_allowed,
 								*nodes);
-		pol->w.cpuset_mems_allowed = tmp;
+		pol->w.cpuset_mems_allowed = *nodes;
 	}
 
 	if (nodes_empty(tmp))
diff -druNp --no-dereference linux-libre-5.1.15-gnu/mm/page_idle.c linux-libre-5.1.16-gnu/mm/page_idle.c
--- linux-libre-5.1.15-gnu/mm/page_idle.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/mm/page_idle.c	2019-07-03 07:13:45.000000000 -0400
@@ -136,7 +136,7 @@ static ssize_t page_idle_bitmap_read(str
 
 	end_pfn = pfn + count * BITS_PER_BYTE;
 	if (end_pfn > max_pfn)
-		end_pfn = ALIGN(max_pfn, BITMAP_CHUNK_BITS);
+		end_pfn = max_pfn;
 
 	for (; pfn < end_pfn; pfn++) {
 		bit = pfn % BITMAP_CHUNK_BITS;
@@ -181,7 +181,7 @@ static ssize_t page_idle_bitmap_write(st
 
 	end_pfn = pfn + count * BITS_PER_BYTE;
 	if (end_pfn > max_pfn)
-		end_pfn = ALIGN(max_pfn, BITMAP_CHUNK_BITS);
+		end_pfn = max_pfn;
 
 	for (; pfn < end_pfn; pfn++) {
 		bit = pfn % BITMAP_CHUNK_BITS;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/mm/page_io.c linux-libre-5.1.16-gnu/mm/page_io.c
--- linux-libre-5.1.15-gnu/mm/page_io.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/mm/page_io.c	2019-07-03 07:13:45.000000000 -0400
@@ -29,10 +29,9 @@
 static struct bio *get_swap_bio(gfp_t gfp_flags,
 				struct page *page, bio_end_io_t end_io)
 {
-	int i, nr = hpage_nr_pages(page);
 	struct bio *bio;
 
-	bio = bio_alloc(gfp_flags, nr);
+	bio = bio_alloc(gfp_flags, 1);
 	if (bio) {
 		struct block_device *bdev;
 
@@ -41,9 +40,7 @@ static struct bio *get_swap_bio(gfp_t gf
 		bio->bi_iter.bi_sector <<= PAGE_SHIFT - 9;
 		bio->bi_end_io = end_io;
 
-		for (i = 0; i < nr; i++)
-			bio_add_page(bio, page + i, PAGE_SIZE, 0);
-		VM_BUG_ON(bio->bi_iter.bi_size != PAGE_SIZE * nr);
+		bio_add_page(bio, page, PAGE_SIZE * hpage_nr_pages(page), 0);
 	}
 	return bio;
 }
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/core/filter.c linux-libre-5.1.16-gnu/net/core/filter.c
--- linux-libre-5.1.15-gnu/net/core/filter.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/core/filter.c	2019-07-03 07:13:45.000000000 -0400
@@ -6420,6 +6420,7 @@ static bool sock_addr_is_valid_access(in
 		case BPF_CGROUP_INET4_BIND:
 		case BPF_CGROUP_INET4_CONNECT:
 		case BPF_CGROUP_UDP4_SENDMSG:
+		case BPF_CGROUP_UDP4_RECVMSG:
 			break;
 		default:
 			return false;
@@ -6430,6 +6431,7 @@ static bool sock_addr_is_valid_access(in
 		case BPF_CGROUP_INET6_BIND:
 		case BPF_CGROUP_INET6_CONNECT:
 		case BPF_CGROUP_UDP6_SENDMSG:
+		case BPF_CGROUP_UDP6_RECVMSG:
 			break;
 		default:
 			return false;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/core/sock.c linux-libre-5.1.16-gnu/net/core/sock.c
--- linux-libre-5.1.15-gnu/net/core/sock.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/core/sock.c	2019-07-03 07:13:45.000000000 -0400
@@ -1482,9 +1482,6 @@ int sock_getsockopt(struct socket *sock,
 	{
 		u32 meminfo[SK_MEMINFO_VARS];
 
-		if (get_user(len, optlen))
-			return -EFAULT;
-
 		sk_get_meminfo(sk, meminfo);
 
 		len = min_t(unsigned int, len, sizeof(meminfo));
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/ipv4/raw.c linux-libre-5.1.16-gnu/net/ipv4/raw.c
--- linux-libre-5.1.15-gnu/net/ipv4/raw.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/ipv4/raw.c	2019-07-03 07:13:45.000000000 -0400
@@ -201,7 +201,7 @@ static int raw_v4_input(struct sk_buff *
 		}
 		sk = __raw_v4_lookup(net, sk_next(sk), iph->protocol,
 				     iph->saddr, iph->daddr,
-				     skb->dev->ifindex, sdif);
+				     dif, sdif);
 	}
 out:
 	read_unlock(&raw_v4_hashinfo.lock);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/ipv4/udp.c linux-libre-5.1.16-gnu/net/ipv4/udp.c
--- linux-libre-5.1.15-gnu/net/ipv4/udp.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/ipv4/udp.c	2019-07-03 07:13:45.000000000 -0400
@@ -503,7 +503,11 @@ static inline struct sock *__udp4_lib_lo
 struct sock *udp4_lib_lookup_skb(struct sk_buff *skb,
 				 __be16 sport, __be16 dport)
 {
-	return __udp4_lib_lookup_skb(skb, sport, dport, &udp_table);
+	const struct iphdr *iph = ip_hdr(skb);
+
+	return __udp4_lib_lookup(dev_net(skb->dev), iph->saddr, sport,
+				 iph->daddr, dport, inet_iif(skb),
+				 inet_sdif(skb), &udp_table, NULL);
 }
 EXPORT_SYMBOL_GPL(udp4_lib_lookup_skb);
 
@@ -1783,6 +1787,10 @@ try_again:
 		sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
 		memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
 		*addr_len = sizeof(*sin);
+
+		if (cgroup_bpf_enabled)
+			BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk,
+							(struct sockaddr *)sin);
 	}
 
 	if (udp_sk(sk)->gro_enabled)
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/ipv6/udp.c linux-libre-5.1.16-gnu/net/ipv6/udp.c
--- linux-libre-5.1.15-gnu/net/ipv6/udp.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/ipv6/udp.c	2019-07-03 07:13:45.000000000 -0400
@@ -242,7 +242,7 @@ struct sock *udp6_lib_lookup_skb(struct
 
 	return __udp6_lib_lookup(dev_net(skb->dev), &iph->saddr, sport,
 				 &iph->daddr, dport, inet6_iif(skb),
-				 inet6_sdif(skb), &udp_table, skb);
+				 inet6_sdif(skb), &udp_table, NULL);
 }
 EXPORT_SYMBOL_GPL(udp6_lib_lookup_skb);
 
@@ -370,6 +370,10 @@ try_again:
 						    inet6_iif(skb));
 		}
 		*addr_len = sizeof(*sin6);
+
+		if (cgroup_bpf_enabled)
+			BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk,
+						(struct sockaddr *)sin6);
 	}
 
 	if (udp_sk(sk)->gro_enabled)
@@ -516,7 +520,7 @@ int __udp6_lib_err(struct sk_buff *skb,
 	struct net *net = dev_net(skb->dev);
 
 	sk = __udp6_lib_lookup(net, daddr, uh->dest, saddr, uh->source,
-			       inet6_iif(skb), inet6_sdif(skb), udptable, skb);
+			       inet6_iif(skb), inet6_sdif(skb), udptable, NULL);
 	if (!sk) {
 		/* No socket for error: try tunnels before discarding */
 		sk = ERR_PTR(-ENOENT);
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/packet/af_packet.c linux-libre-5.1.16-gnu/net/packet/af_packet.c
--- linux-libre-5.1.15-gnu/net/packet/af_packet.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/packet/af_packet.c	2019-07-03 07:13:45.000000000 -0400
@@ -2409,6 +2409,9 @@ static void tpacket_destruct_skb(struct
 
 		ts = __packet_set_timestamp(po, ph, skb);
 		__packet_set_status(po, ph, TP_STATUS_AVAILABLE | ts);
+
+		if (!packet_read_pending(&po->tx_ring))
+			complete(&po->skb_completion);
 	}
 
 	sock_wfree(skb);
@@ -2593,7 +2596,7 @@ static int tpacket_parse_header(struct p
 
 static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 {
-	struct sk_buff *skb;
+	struct sk_buff *skb = NULL;
 	struct net_device *dev;
 	struct virtio_net_hdr *vnet_hdr = NULL;
 	struct sockcm_cookie sockc;
@@ -2608,6 +2611,7 @@ static int tpacket_snd(struct packet_soc
 	int len_sum = 0;
 	int status = TP_STATUS_AVAILABLE;
 	int hlen, tlen, copylen = 0;
+	long timeo = 0;
 
 	mutex_lock(&po->pg_vec_lock);
 
@@ -2654,12 +2658,21 @@ static int tpacket_snd(struct packet_soc
 	if ((size_max > dev->mtu + reserve + VLAN_HLEN) && !po->has_vnet_hdr)
 		size_max = dev->mtu + reserve + VLAN_HLEN;
 
+	reinit_completion(&po->skb_completion);
+
 	do {
 		ph = packet_current_frame(po, &po->tx_ring,
 					  TP_STATUS_SEND_REQUEST);
 		if (unlikely(ph == NULL)) {
-			if (need_wait && need_resched())
-				schedule();
+			if (need_wait && skb) {
+				timeo = sock_sndtimeo(&po->sk, msg->msg_flags & MSG_DONTWAIT);
+				timeo = wait_for_completion_interruptible_timeout(&po->skb_completion, timeo);
+				if (timeo <= 0) {
+					err = !timeo ? -ETIMEDOUT : -ERESTARTSYS;
+					goto out_put;
+				}
+			}
+			/* check for additional frames */
 			continue;
 		}
 
@@ -3215,6 +3228,7 @@ static int packet_create(struct net *net
 	sock_init_data(sock, sk);
 
 	po = pkt_sk(sk);
+	init_completion(&po->skb_completion);
 	sk->sk_family = PF_PACKET;
 	po->num = proto;
 	po->xmit = dev_queue_xmit;
@@ -4327,7 +4341,7 @@ static int packet_set_ring(struct sock *
 				    req3->tp_sizeof_priv ||
 				    req3->tp_feature_req_word) {
 					err = -EINVAL;
-					goto out;
+					goto out_free_pg_vec;
 				}
 			}
 			break;
@@ -4391,6 +4405,7 @@ static int packet_set_ring(struct sock *
 			prb_shutdown_retire_blk_timer(po, rb_queue);
 	}
 
+out_free_pg_vec:
 	if (pg_vec)
 		free_pg_vec(pg_vec, order, req->tp_block_nr);
 out:
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/packet/internal.h linux-libre-5.1.16-gnu/net/packet/internal.h
--- linux-libre-5.1.15-gnu/net/packet/internal.h	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/packet/internal.h	2019-07-03 07:13:45.000000000 -0400
@@ -128,6 +128,7 @@ struct packet_sock {
 	unsigned int		tp_hdrlen;
 	unsigned int		tp_reserve;
 	unsigned int		tp_tstamp;
+	struct completion	skb_completion;
 	struct net_device __rcu	*cached_dev;
 	int			(*xmit)(struct sk_buff *skb);
 	struct packet_type	prot_hook ____cacheline_aligned_in_smp;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/sctp/endpointola.c linux-libre-5.1.16-gnu/net/sctp/endpointola.c
--- linux-libre-5.1.15-gnu/net/sctp/endpointola.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/sctp/endpointola.c	2019-07-03 07:13:45.000000000 -0400
@@ -133,10 +133,6 @@ static struct sctp_endpoint *sctp_endpoi
 	/* Initialize the bind addr area */
 	sctp_bind_addr_init(&ep->base.bind_addr, 0);
 
-	/* Remember who we are attached to.  */
-	ep->base.sk = sk;
-	sock_hold(ep->base.sk);
-
 	/* Create the lists of associations.  */
 	INIT_LIST_HEAD(&ep->asocs);
 
@@ -169,6 +165,10 @@ static struct sctp_endpoint *sctp_endpoi
 	ep->prsctp_enable = net->sctp.prsctp_enable;
 	ep->reconf_enable = net->sctp.reconf_enable;
 
+	/* Remember who we are attached to.  */
+	ep->base.sk = sk;
+	sock_hold(ep->base.sk);
+
 	return ep;
 
 nomem_shkey:
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/sunrpc/xprtsock.c linux-libre-5.1.16-gnu/net/sunrpc/xprtsock.c
--- linux-libre-5.1.15-gnu/net/sunrpc/xprtsock.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/sunrpc/xprtsock.c	2019-07-03 07:13:45.000000000 -0400
@@ -950,6 +950,8 @@ static int xs_local_send_request(struct
 	struct sock_xprt *transport =
 				container_of(xprt, struct sock_xprt, xprt);
 	struct xdr_buf *xdr = &req->rq_snd_buf;
+	rpc_fraghdr rm = xs_stream_record_marker(xdr);
+	unsigned int msglen = rm ? req->rq_slen + sizeof(rm) : req->rq_slen;
 	int status;
 	int sent = 0;
 
@@ -964,9 +966,7 @@ static int xs_local_send_request(struct
 
 	req->rq_xtime = ktime_get();
 	status = xs_sendpages(transport->sock, NULL, 0, xdr,
-			      transport->xmit.offset,
-			      xs_stream_record_marker(xdr),
-			      &sent);
+			      transport->xmit.offset, rm, &sent);
 	dprintk("RPC:       %s(%u) = %d\n",
 			__func__, xdr->len - transport->xmit.offset, status);
 
@@ -976,7 +976,7 @@ static int xs_local_send_request(struct
 	if (likely(sent > 0) || status == 0) {
 		transport->xmit.offset += sent;
 		req->rq_bytes_sent = transport->xmit.offset;
-		if (likely(req->rq_bytes_sent >= req->rq_slen)) {
+		if (likely(req->rq_bytes_sent >= msglen)) {
 			req->rq_xmit_bytes_sent += transport->xmit.offset;
 			transport->xmit.offset = 0;
 			return 0;
@@ -1097,6 +1097,8 @@ static int xs_tcp_send_request(struct rp
 	struct rpc_xprt *xprt = req->rq_xprt;
 	struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
 	struct xdr_buf *xdr = &req->rq_snd_buf;
+	rpc_fraghdr rm = xs_stream_record_marker(xdr);
+	unsigned int msglen = rm ? req->rq_slen + sizeof(rm) : req->rq_slen;
 	bool vm_wait = false;
 	int status;
 	int sent;
@@ -1122,9 +1124,7 @@ static int xs_tcp_send_request(struct rp
 	while (1) {
 		sent = 0;
 		status = xs_sendpages(transport->sock, NULL, 0, xdr,
-				      transport->xmit.offset,
-				      xs_stream_record_marker(xdr),
-				      &sent);
+				      transport->xmit.offset, rm, &sent);
 
 		dprintk("RPC:       xs_tcp_send_request(%u) = %d\n",
 				xdr->len - transport->xmit.offset, status);
@@ -1133,7 +1133,7 @@ static int xs_tcp_send_request(struct rp
 		 * reset the count of bytes sent. */
 		transport->xmit.offset += sent;
 		req->rq_bytes_sent = transport->xmit.offset;
-		if (likely(req->rq_bytes_sent >= req->rq_slen)) {
+		if (likely(req->rq_bytes_sent >= msglen)) {
 			req->rq_xmit_bytes_sent += transport->xmit.offset;
 			transport->xmit.offset = 0;
 			return 0;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/tipc/core.c linux-libre-5.1.16-gnu/net/tipc/core.c
--- linux-libre-5.1.15-gnu/net/tipc/core.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/tipc/core.c	2019-07-03 07:13:45.000000000 -0400
@@ -132,7 +132,7 @@ static int __init tipc_init(void)
 	if (err)
 		goto out_sysctl;
 
-	err = register_pernet_subsys(&tipc_net_ops);
+	err = register_pernet_device(&tipc_net_ops);
 	if (err)
 		goto out_pernet;
 
@@ -140,7 +140,7 @@ static int __init tipc_init(void)
 	if (err)
 		goto out_socket;
 
-	err = register_pernet_subsys(&tipc_topsrv_net_ops);
+	err = register_pernet_device(&tipc_topsrv_net_ops);
 	if (err)
 		goto out_pernet_topsrv;
 
@@ -151,11 +151,11 @@ static int __init tipc_init(void)
 	pr_info("Started in single node mode\n");
 	return 0;
 out_bearer:
-	unregister_pernet_subsys(&tipc_topsrv_net_ops);
+	unregister_pernet_device(&tipc_topsrv_net_ops);
 out_pernet_topsrv:
 	tipc_socket_stop();
 out_socket:
-	unregister_pernet_subsys(&tipc_net_ops);
+	unregister_pernet_device(&tipc_net_ops);
 out_pernet:
 	tipc_unregister_sysctl();
 out_sysctl:
@@ -170,9 +170,9 @@ out_netlink:
 static void __exit tipc_exit(void)
 {
 	tipc_bearer_cleanup();
-	unregister_pernet_subsys(&tipc_topsrv_net_ops);
+	unregister_pernet_device(&tipc_topsrv_net_ops);
 	tipc_socket_stop();
-	unregister_pernet_subsys(&tipc_net_ops);
+	unregister_pernet_device(&tipc_net_ops);
 	tipc_netlink_stop();
 	tipc_netlink_compat_stop();
 	tipc_unregister_sysctl();
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/tipc/netlink_compat.c linux-libre-5.1.16-gnu/net/tipc/netlink_compat.c
--- linux-libre-5.1.15-gnu/net/tipc/netlink_compat.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/tipc/netlink_compat.c	2019-07-03 07:13:45.000000000 -0400
@@ -445,7 +445,11 @@ static int tipc_nl_compat_bearer_disable
 	if (!bearer)
 		return -EMSGSIZE;
 
-	len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_BEARER_NAME);
+	len = TLV_GET_DATA_LEN(msg->req);
+	if (len <= 0)
+		return -EINVAL;
+
+	len = min_t(int, len, TIPC_MAX_BEARER_NAME);
 	if (!string_is_valid(name, len))
 		return -EINVAL;
 
@@ -537,7 +541,11 @@ static int tipc_nl_compat_link_stat_dump
 
 	name = (char *)TLV_DATA(msg->req);
 
-	len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+	len = TLV_GET_DATA_LEN(msg->req);
+	if (len <= 0)
+		return -EINVAL;
+
+	len = min_t(int, len, TIPC_MAX_BEARER_NAME);
 	if (!string_is_valid(name, len))
 		return -EINVAL;
 
@@ -815,7 +823,11 @@ static int tipc_nl_compat_link_reset_sta
 	if (!link)
 		return -EMSGSIZE;
 
-	len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+	len = TLV_GET_DATA_LEN(msg->req);
+	if (len <= 0)
+		return -EINVAL;
+
+	len = min_t(int, len, TIPC_MAX_BEARER_NAME);
 	if (!string_is_valid(name, len))
 		return -EINVAL;
 
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/tipc/udp_media.c linux-libre-5.1.16-gnu/net/tipc/udp_media.c
--- linux-libre-5.1.15-gnu/net/tipc/udp_media.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/tipc/udp_media.c	2019-07-03 07:13:45.000000000 -0400
@@ -176,7 +176,6 @@ static int tipc_udp_xmit(struct net *net
 			goto tx_error;
 		}
 
-		skb->dev = rt->dst.dev;
 		ttl = ip4_dst_hoplimit(&rt->dst);
 		udp_tunnel_xmit_skb(rt, ub->ubsock->sk, skb, src->ipv4.s_addr,
 				    dst->ipv4.s_addr, 0, ttl, 0, src->port,
@@ -195,10 +194,9 @@ static int tipc_udp_xmit(struct net *net
 		if (err)
 			goto tx_error;
 		ttl = ip6_dst_hoplimit(ndst);
-		err = udp_tunnel6_xmit_skb(ndst, ub->ubsock->sk, skb,
-					   ndst->dev, &src->ipv6,
-					   &dst->ipv6, 0, ttl, 0, src->port,
-					   dst->port, false);
+		err = udp_tunnel6_xmit_skb(ndst, ub->ubsock->sk, skb, NULL,
+					   &src->ipv6, &dst->ipv6, 0, ttl, 0,
+					   src->port, dst->port, false);
 #endif
 	}
 	return err;
diff -druNp --no-dereference linux-libre-5.1.15-gnu/net/tls/tls_main.c linux-libre-5.1.16-gnu/net/tls/tls_main.c
--- linux-libre-5.1.15-gnu/net/tls/tls_main.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/net/tls/tls_main.c	2019-07-03 07:13:45.000000000 -0400
@@ -279,7 +279,8 @@ static void tls_sk_proto_close(struct so
 		goto skip_tx_cleanup;
 	}
 
-	if (!tls_complete_pending_work(sk, ctx, 0, &timeo))
+	if (unlikely(sk->sk_write_pending) &&
+	    !wait_on_pending_writer(sk, &timeo))
 		tls_handle_open_record(sk, 0);
 
 	/* We need these for tls_sw_fallback handling of other packets */
diff -druNp --no-dereference linux-libre-5.1.15-gnu/tools/testing/selftests/bpf/test_lpm_map.c linux-libre-5.1.16-gnu/tools/testing/selftests/bpf/test_lpm_map.c
--- linux-libre-5.1.15-gnu/tools/testing/selftests/bpf/test_lpm_map.c	2019-06-24 23:34:56.000000000 -0400
+++ linux-libre-5.1.16-gnu/tools/testing/selftests/bpf/test_lpm_map.c	2019-07-03 07:13:45.000000000 -0400
@@ -573,13 +573,13 @@ static void test_lpm_get_next_key(void)
 
 	/* add one more element (total two) */
 	key_p->prefixlen = 24;
-	inet_pton(AF_INET, "192.168.0.0", key_p->data);
+	inet_pton(AF_INET, "192.168.128.0", key_p->data);
 	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
 
 	memset(key_p, 0, key_size);
 	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
 	assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
-	       key_p->data[1] == 168 && key_p->data[2] == 0);
+	       key_p->data[1] == 168 && key_p->data[2] == 128);
 
 	memset(next_key_p, 0, key_size);
 	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
@@ -592,7 +592,7 @@ static void test_lpm_get_next_key(void)
 
 	/* Add one more element (total three) */
 	key_p->prefixlen = 24;
-	inet_pton(AF_INET, "192.168.128.0", key_p->data);
+	inet_pton(AF_INET, "192.168.0.0", key_p->data);
 	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
 
 	memset(key_p, 0, key_size);
@@ -628,6 +628,41 @@ static void test_lpm_get_next_key(void)
 	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
 	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
 	       next_key_p->data[1] == 168 && next_key_p->data[2] == 1);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 128);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 16 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -1 &&
+	       errno == ENOENT);
+
+	/* Add one more element (total five) */
+	key_p->prefixlen = 28;
+	inet_pton(AF_INET, "192.168.1.128", key_p->data);
+	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
+
+	memset(key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+	assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
+	       key_p->data[1] == 168 && key_p->data[2] == 0);
+
+	memset(next_key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 28 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 1 &&
+	       next_key_p->data[3] == 128);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 1);
 
 	memcpy(key_p, next_key_p, key_size);
 	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
