From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.9 commit in: /
Date: Sun, 12 Mar 2017 12:22:19 +0000 (UTC) [thread overview]
Message-ID: <1489321330.2ab5e54b1d661d56aac6f21563cc9d261bec27e7.mpagano@gentoo> (raw)
commit: 2ab5e54b1d661d56aac6f21563cc9d261bec27e7
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sun Mar 12 12:22:10 2017 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sun Mar 12 12:22:10 2017 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=2ab5e54b
Linux patch 4.9.14
0000_README | 6 +-
1013_linux-4.9.14.patch | 6768 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 6773 insertions(+), 1 deletion(-)
diff --git a/0000_README b/0000_README
index aa56453..0932a46 100644
--- a/0000_README
+++ b/0000_README
@@ -91,10 +91,14 @@ Patch: 1011_linux-4.9.12.patch
From: http://www.kernel.org
Desc: Linux 4.9.12
-Patch: 1011_linux-4.9.13.patch
+Patch: 1012_linux-4.9.13.patch
From: http://www.kernel.org
Desc: Linux 4.9.13
+Patch: 1013_linux-4.9.14.patch
+From: http://www.kernel.org
+Desc: Linux 4.9.14
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1013_linux-4.9.14.patch b/1013_linux-4.9.14.patch
new file mode 100644
index 0000000..0a63aec
--- /dev/null
+++ b/1013_linux-4.9.14.patch
@@ -0,0 +1,6768 @@
+diff --git a/Makefile b/Makefile
+index 14dc2758345b..5e7706e94622 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 13
++SUBLEVEL = 14
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+
+diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+index 0b9a59d5fdac..30fac04289a5 100644
+--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
++++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+@@ -148,6 +148,8 @@
+ uart1: serial@f8020000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1_default>;
++ atmel,use-dma-rx;
++ atmel,use-dma-tx;
+ status = "okay";
+ };
+
+diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
+index ed7fce297738..44d1171c7fc0 100644
+--- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
++++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
+@@ -110,6 +110,8 @@
+ };
+
+ usart3: serial@fc00c000 {
++ atmel,use-dma-rx;
++ atmel,use-dma-tx;
+ status = "okay";
+ };
+
+diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
+index 74a44727f8e1..a58bbaa3ec60 100644
+--- a/arch/arm/include/asm/kvm_mmu.h
++++ b/arch/arm/include/asm/kvm_mmu.h
+@@ -150,18 +150,12 @@ static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,
+ * and iterate over the range.
+ */
+
+- bool need_flush = !vcpu_has_cache_enabled(vcpu) || ipa_uncached;
+-
+ VM_BUG_ON(size & ~PAGE_MASK);
+
+- if (!need_flush && !icache_is_pipt())
+- goto vipt_cache;
+-
+ while (size) {
+ void *va = kmap_atomic_pfn(pfn);
+
+- if (need_flush)
+- kvm_flush_dcache_to_poc(va, PAGE_SIZE);
++ kvm_flush_dcache_to_poc(va, PAGE_SIZE);
+
+ if (icache_is_pipt())
+ __cpuc_coherent_user_range((unsigned long)va,
+@@ -173,7 +167,6 @@ static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,
+ kunmap_atomic(va);
+ }
+
+-vipt_cache:
+ if (!icache_is_pipt() && !icache_is_vivt_asid_tagged()) {
+ /* any kind of VIPT cache */
+ __flush_icache_all();
+diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
+index 6f72fe8b0e3e..6d22017ebbad 100644
+--- a/arch/arm64/include/asm/kvm_mmu.h
++++ b/arch/arm64/include/asm/kvm_mmu.h
+@@ -241,8 +241,7 @@ static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,
+ {
+ void *va = page_address(pfn_to_page(pfn));
+
+- if (!vcpu_has_cache_enabled(vcpu) || ipa_uncached)
+- kvm_flush_dcache_to_poc(va, size);
++ kvm_flush_dcache_to_poc(va, size);
+
+ if (!icache_is_aliasing()) { /* PIPT */
+ flush_icache_range((unsigned long)va,
+diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
+index c02504ea304b..3a129d48674e 100644
+--- a/arch/arm64/kernel/cpufeature.c
++++ b/arch/arm64/kernel/cpufeature.c
+@@ -653,15 +653,15 @@ static u64 __raw_read_system_reg(u32 sys_id)
+ case SYS_ID_ISAR2_EL1: return read_cpuid(ID_ISAR2_EL1);
+ case SYS_ID_ISAR3_EL1: return read_cpuid(ID_ISAR3_EL1);
+ case SYS_ID_ISAR4_EL1: return read_cpuid(ID_ISAR4_EL1);
+- case SYS_ID_ISAR5_EL1: return read_cpuid(ID_ISAR4_EL1);
++ case SYS_ID_ISAR5_EL1: return read_cpuid(ID_ISAR5_EL1);
+ case SYS_MVFR0_EL1: return read_cpuid(MVFR0_EL1);
+ case SYS_MVFR1_EL1: return read_cpuid(MVFR1_EL1);
+ case SYS_MVFR2_EL1: return read_cpuid(MVFR2_EL1);
+
+ case SYS_ID_AA64PFR0_EL1: return read_cpuid(ID_AA64PFR0_EL1);
+- case SYS_ID_AA64PFR1_EL1: return read_cpuid(ID_AA64PFR0_EL1);
++ case SYS_ID_AA64PFR1_EL1: return read_cpuid(ID_AA64PFR1_EL1);
+ case SYS_ID_AA64DFR0_EL1: return read_cpuid(ID_AA64DFR0_EL1);
+- case SYS_ID_AA64DFR1_EL1: return read_cpuid(ID_AA64DFR0_EL1);
++ case SYS_ID_AA64DFR1_EL1: return read_cpuid(ID_AA64DFR1_EL1);
+ case SYS_ID_AA64MMFR0_EL1: return read_cpuid(ID_AA64MMFR0_EL1);
+ case SYS_ID_AA64MMFR1_EL1: return read_cpuid(ID_AA64MMFR1_EL1);
+ case SYS_ID_AA64MMFR2_EL1: return read_cpuid(ID_AA64MMFR2_EL1);
+diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
+index 02265a589ef5..b5bf46ce873b 100644
+--- a/arch/arm64/mm/dma-mapping.c
++++ b/arch/arm64/mm/dma-mapping.c
+@@ -352,6 +352,13 @@ static int __swiotlb_dma_supported(struct device *hwdev, u64 mask)
+ return 1;
+ }
+
++static int __swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t addr)
++{
++ if (swiotlb)
++ return swiotlb_dma_mapping_error(hwdev, addr);
++ return 0;
++}
++
+ static struct dma_map_ops swiotlb_dma_ops = {
+ .alloc = __dma_alloc,
+ .free = __dma_free,
+@@ -366,7 +373,7 @@ static struct dma_map_ops swiotlb_dma_ops = {
+ .sync_sg_for_cpu = __swiotlb_sync_sg_for_cpu,
+ .sync_sg_for_device = __swiotlb_sync_sg_for_device,
+ .dma_supported = __swiotlb_dma_supported,
+- .mapping_error = swiotlb_dma_mapping_error,
++ .mapping_error = __swiotlb_dma_mapping_error,
+ };
+
+ static int __init atomic_pool_init(void)
+diff --git a/arch/mips/bcm47xx/buttons.c b/arch/mips/bcm47xx/buttons.c
+index 52caa75bfe4e..e2f50d690624 100644
+--- a/arch/mips/bcm47xx/buttons.c
++++ b/arch/mips/bcm47xx/buttons.c
+@@ -17,6 +17,12 @@
+ .active_low = 1, \
+ }
+
++#define BCM47XX_GPIO_KEY_H(_gpio, _code) \
++ { \
++ .code = _code, \
++ .gpio = _gpio, \
++ }
++
+ /* Asus */
+
+ static const struct gpio_keys_button
+@@ -79,8 +85,8 @@ bcm47xx_buttons_asus_wl500gpv2[] __initconst = {
+
+ static const struct gpio_keys_button
+ bcm47xx_buttons_asus_wl500w[] __initconst = {
+- BCM47XX_GPIO_KEY(6, KEY_RESTART),
+- BCM47XX_GPIO_KEY(7, KEY_WPS_BUTTON),
++ BCM47XX_GPIO_KEY_H(6, KEY_RESTART),
++ BCM47XX_GPIO_KEY_H(7, KEY_WPS_BUTTON),
+ };
+
+ static const struct gpio_keys_button
+diff --git a/arch/mips/cavium-octeon/octeon-memcpy.S b/arch/mips/cavium-octeon/octeon-memcpy.S
+index 64e08df51d65..8b7004132491 100644
+--- a/arch/mips/cavium-octeon/octeon-memcpy.S
++++ b/arch/mips/cavium-octeon/octeon-memcpy.S
+@@ -208,18 +208,18 @@ EXC( STORE t2, UNIT(6)(dst), s_exc_p10u)
+ ADD src, src, 16*NBYTES
+ EXC( STORE t3, UNIT(7)(dst), s_exc_p9u)
+ ADD dst, dst, 16*NBYTES
+-EXC( LOAD t0, UNIT(-8)(src), l_exc_copy)
+-EXC( LOAD t1, UNIT(-7)(src), l_exc_copy)
+-EXC( LOAD t2, UNIT(-6)(src), l_exc_copy)
+-EXC( LOAD t3, UNIT(-5)(src), l_exc_copy)
++EXC( LOAD t0, UNIT(-8)(src), l_exc_copy_rewind16)
++EXC( LOAD t1, UNIT(-7)(src), l_exc_copy_rewind16)
++EXC( LOAD t2, UNIT(-6)(src), l_exc_copy_rewind16)
++EXC( LOAD t3, UNIT(-5)(src), l_exc_copy_rewind16)
+ EXC( STORE t0, UNIT(-8)(dst), s_exc_p8u)
+ EXC( STORE t1, UNIT(-7)(dst), s_exc_p7u)
+ EXC( STORE t2, UNIT(-6)(dst), s_exc_p6u)
+ EXC( STORE t3, UNIT(-5)(dst), s_exc_p5u)
+-EXC( LOAD t0, UNIT(-4)(src), l_exc_copy)
+-EXC( LOAD t1, UNIT(-3)(src), l_exc_copy)
+-EXC( LOAD t2, UNIT(-2)(src), l_exc_copy)
+-EXC( LOAD t3, UNIT(-1)(src), l_exc_copy)
++EXC( LOAD t0, UNIT(-4)(src), l_exc_copy_rewind16)
++EXC( LOAD t1, UNIT(-3)(src), l_exc_copy_rewind16)
++EXC( LOAD t2, UNIT(-2)(src), l_exc_copy_rewind16)
++EXC( LOAD t3, UNIT(-1)(src), l_exc_copy_rewind16)
+ EXC( STORE t0, UNIT(-4)(dst), s_exc_p4u)
+ EXC( STORE t1, UNIT(-3)(dst), s_exc_p3u)
+ EXC( STORE t2, UNIT(-2)(dst), s_exc_p2u)
+@@ -383,6 +383,10 @@ done:
+ nop
+ END(memcpy)
+
++l_exc_copy_rewind16:
++ /* Rewind src and dst by 16*NBYTES for l_exc_copy */
++ SUB src, src, 16*NBYTES
++ SUB dst, dst, 16*NBYTES
+ l_exc_copy:
+ /*
+ * Copy bytes from src until faulting load address (or until a
+diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h
+index bce1ce53149a..0e231970653a 100644
+--- a/arch/mips/include/asm/checksum.h
++++ b/arch/mips/include/asm/checksum.h
+@@ -186,7 +186,9 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
+ " daddu %0, %4 \n"
+ " dsll32 $1, %0, 0 \n"
+ " daddu %0, $1 \n"
++ " sltu $1, %0, $1 \n"
+ " dsra32 %0, %0, 0 \n"
++ " addu %0, $1 \n"
+ #endif
+ " .set pop"
+ : "=r" (sum)
+diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
+index 9514e5f2209f..1652f36acad1 100644
+--- a/arch/mips/kernel/process.c
++++ b/arch/mips/kernel/process.c
+@@ -195,11 +195,9 @@ struct mips_frame_info {
+ #define J_TARGET(pc,target) \
+ (((unsigned long)(pc) & 0xf0000000) | ((target) << 2))
+
+-static inline int is_ra_save_ins(union mips_instruction *ip)
++static inline int is_ra_save_ins(union mips_instruction *ip, int *poff)
+ {
+ #ifdef CONFIG_CPU_MICROMIPS
+- union mips_instruction mmi;
+-
+ /*
+ * swsp ra,offset
+ * swm16 reglist,offset(sp)
+@@ -209,29 +207,71 @@ static inline int is_ra_save_ins(union mips_instruction *ip)
+ *
+ * microMIPS is way more fun...
+ */
+- if (mm_insn_16bit(ip->halfword[0])) {
+- mmi.word = (ip->halfword[0] << 16);
+- return (mmi.mm16_r5_format.opcode == mm_swsp16_op &&
+- mmi.mm16_r5_format.rt == 31) ||
+- (mmi.mm16_m_format.opcode == mm_pool16c_op &&
+- mmi.mm16_m_format.func == mm_swm16_op);
++ if (mm_insn_16bit(ip->halfword[1])) {
++ switch (ip->mm16_r5_format.opcode) {
++ case mm_swsp16_op:
++ if (ip->mm16_r5_format.rt != 31)
++ return 0;
++
++ *poff = ip->mm16_r5_format.simmediate;
++ *poff = (*poff << 2) / sizeof(ulong);
++ return 1;
++
++ case mm_pool16c_op:
++ switch (ip->mm16_m_format.func) {
++ case mm_swm16_op:
++ *poff = ip->mm16_m_format.imm;
++ *poff += 1 + ip->mm16_m_format.rlist;
++ *poff = (*poff << 2) / sizeof(ulong);
++ return 1;
++
++ default:
++ return 0;
++ }
++
++ default:
++ return 0;
++ }
+ }
+- else {
+- mmi.halfword[0] = ip->halfword[1];
+- mmi.halfword[1] = ip->halfword[0];
+- return (mmi.mm_m_format.opcode == mm_pool32b_op &&
+- mmi.mm_m_format.rd > 9 &&
+- mmi.mm_m_format.base == 29 &&
+- mmi.mm_m_format.func == mm_swm32_func) ||
+- (mmi.i_format.opcode == mm_sw32_op &&
+- mmi.i_format.rs == 29 &&
+- mmi.i_format.rt == 31);
++
++ switch (ip->i_format.opcode) {
++ case mm_sw32_op:
++ if (ip->i_format.rs != 29)
++ return 0;
++ if (ip->i_format.rt != 31)
++ return 0;
++
++ *poff = ip->i_format.simmediate / sizeof(ulong);
++ return 1;
++
++ case mm_pool32b_op:
++ switch (ip->mm_m_format.func) {
++ case mm_swm32_func:
++ if (ip->mm_m_format.rd < 0x10)
++ return 0;
++ if (ip->mm_m_format.base != 29)
++ return 0;
++
++ *poff = ip->mm_m_format.simmediate;
++ *poff += (ip->mm_m_format.rd & 0xf) * sizeof(u32);
++ *poff /= sizeof(ulong);
++ return 1;
++ default:
++ return 0;
++ }
++
++ default:
++ return 0;
+ }
+ #else
+ /* sw / sd $ra, offset($sp) */
+- return (ip->i_format.opcode == sw_op || ip->i_format.opcode == sd_op) &&
+- ip->i_format.rs == 29 &&
+- ip->i_format.rt == 31;
++ if ((ip->i_format.opcode == sw_op || ip->i_format.opcode == sd_op) &&
++ ip->i_format.rs == 29 && ip->i_format.rt == 31) {
++ *poff = ip->i_format.simmediate / sizeof(ulong);
++ return 1;
++ }
++
++ return 0;
+ #endif
+ }
+
+@@ -246,13 +286,16 @@ static inline int is_jump_ins(union mips_instruction *ip)
+ *
+ * microMIPS is kind of more fun...
+ */
+- union mips_instruction mmi;
+-
+- mmi.word = (ip->halfword[0] << 16);
++ if (mm_insn_16bit(ip->halfword[1])) {
++ if ((ip->mm16_r5_format.opcode == mm_pool16c_op &&
++ (ip->mm16_r5_format.rt & mm_jr16_op) == mm_jr16_op))
++ return 1;
++ return 0;
++ }
+
+- if ((mmi.mm16_r5_format.opcode == mm_pool16c_op &&
+- (mmi.mm16_r5_format.rt & mm_jr16_op) == mm_jr16_op) ||
+- ip->j_format.opcode == mm_jal32_op)
++ if (ip->j_format.opcode == mm_j32_op)
++ return 1;
++ if (ip->j_format.opcode == mm_jal32_op)
+ return 1;
+ if (ip->r_format.opcode != mm_pool32a_op ||
+ ip->r_format.func != mm_pool32axf_op)
+@@ -280,15 +323,13 @@ static inline int is_sp_move_ins(union mips_instruction *ip)
+ *
+ * microMIPS is not more fun...
+ */
+- if (mm_insn_16bit(ip->halfword[0])) {
+- union mips_instruction mmi;
+-
+- mmi.word = (ip->halfword[0] << 16);
+- return (mmi.mm16_r3_format.opcode == mm_pool16d_op &&
+- mmi.mm16_r3_format.simmediate && mm_addiusp_func) ||
+- (mmi.mm16_r5_format.opcode == mm_pool16d_op &&
+- mmi.mm16_r5_format.rt == 29);
++ if (mm_insn_16bit(ip->halfword[1])) {
++ return (ip->mm16_r3_format.opcode == mm_pool16d_op &&
++ ip->mm16_r3_format.simmediate && mm_addiusp_func) ||
++ (ip->mm16_r5_format.opcode == mm_pool16d_op &&
++ ip->mm16_r5_format.rt == 29);
+ }
++
+ return ip->mm_i_format.opcode == mm_addiu32_op &&
+ ip->mm_i_format.rt == 29 && ip->mm_i_format.rs == 29;
+ #else
+@@ -303,30 +344,36 @@ static inline int is_sp_move_ins(union mips_instruction *ip)
+
+ static int get_frame_info(struct mips_frame_info *info)
+ {
+-#ifdef CONFIG_CPU_MICROMIPS
+- union mips_instruction *ip = (void *) (((char *) info->func) - 1);
+-#else
+- union mips_instruction *ip = info->func;
+-#endif
+- unsigned max_insns = info->func_size / sizeof(union mips_instruction);
+- unsigned i;
++ bool is_mmips = IS_ENABLED(CONFIG_CPU_MICROMIPS);
++ union mips_instruction insn, *ip, *ip_end;
++ const unsigned int max_insns = 128;
++ unsigned int i;
+
+ info->pc_offset = -1;
+ info->frame_size = 0;
+
++ ip = (void *)msk_isa16_mode((ulong)info->func);
+ if (!ip)
+ goto err;
+
+- if (max_insns == 0)
+- max_insns = 128U; /* unknown function size */
+- max_insns = min(128U, max_insns);
++ ip_end = (void *)ip + info->func_size;
+
+- for (i = 0; i < max_insns; i++, ip++) {
++ for (i = 0; i < max_insns && ip < ip_end; i++, ip++) {
++ if (is_mmips && mm_insn_16bit(ip->halfword[0])) {
++ insn.halfword[0] = 0;
++ insn.halfword[1] = ip->halfword[0];
++ } else if (is_mmips) {
++ insn.halfword[0] = ip->halfword[1];
++ insn.halfword[1] = ip->halfword[0];
++ } else {
++ insn.word = ip->word;
++ }
+
+- if (is_jump_ins(ip))
++ if (is_jump_ins(&insn))
+ break;
++
+ if (!info->frame_size) {
+- if (is_sp_move_ins(ip))
++ if (is_sp_move_ins(&insn))
+ {
+ #ifdef CONFIG_CPU_MICROMIPS
+ if (mm_insn_16bit(ip->halfword[0]))
+@@ -349,11 +396,9 @@ static int get_frame_info(struct mips_frame_info *info)
+ }
+ continue;
+ }
+- if (info->pc_offset == -1 && is_ra_save_ins(ip)) {
+- info->pc_offset =
+- ip->i_format.simmediate / sizeof(long);
++ if (info->pc_offset == -1 &&
++ is_ra_save_ins(&insn, &info->pc_offset))
+ break;
+- }
+ }
+ if (info->frame_size && info->pc_offset >= 0) /* nested */
+ return 0;
+diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
+index 236193b5210b..9a61671c00a7 100644
+--- a/arch/mips/lantiq/xway/sysctrl.c
++++ b/arch/mips/lantiq/xway/sysctrl.c
+@@ -545,7 +545,7 @@ void __init ltq_soc_init(void)
+ clkdev_add_pmu("1a800000.pcie", "msi", 1, 1, PMU1_PCIE2_MSI);
+ clkdev_add_pmu("1a800000.pcie", "pdi", 1, 1, PMU1_PCIE2_PDI);
+ clkdev_add_pmu("1a800000.pcie", "ctl", 1, 1, PMU1_PCIE2_CTL);
+- clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH | PMU_PPE_DP);
++ clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH | PMU_PPE_DP);
+ clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
+ clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
+ } else if (of_machine_is_compatible("lantiq,ar10")) {
+@@ -553,7 +553,7 @@ void __init ltq_soc_init(void)
+ ltq_ar10_fpi_hz(), ltq_ar10_pp32_hz());
+ clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0);
+ clkdev_add_pmu("1e106000.usb", "ctl", 1, 0, PMU_USB1);
+- clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH |
++ clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH |
+ PMU_PPE_DP | PMU_PPE_TC);
+ clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
+ clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY);
+@@ -575,11 +575,11 @@ void __init ltq_soc_init(void)
+ clkdev_add_pmu(NULL, "ahb", 1, 0, PMU_AHBM | PMU_AHBS);
+
+ clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
+- clkdev_add_pmu("1e108000.eth", NULL, 1, 0,
++ clkdev_add_pmu("1e108000.eth", NULL, 0, 0,
+ PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
+ PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
+ PMU_PPE_QSB | PMU_PPE_TOP);
+- clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY);
++ clkdev_add_pmu("1f203000.rcu", "gphy", 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
+ clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
+ clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
+diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c
+index 026cb59a914d..f293a97cb885 100644
+--- a/arch/mips/mm/sc-ip22.c
++++ b/arch/mips/mm/sc-ip22.c
+@@ -31,26 +31,40 @@ static inline void indy_sc_wipe(unsigned long first, unsigned long last)
+ unsigned long tmp;
+
+ __asm__ __volatile__(
+- ".set\tpush\t\t\t# indy_sc_wipe\n\t"
+- ".set\tnoreorder\n\t"
+- ".set\tmips3\n\t"
+- ".set\tnoat\n\t"
+- "mfc0\t%2, $12\n\t"
+- "li\t$1, 0x80\t\t\t# Go 64 bit\n\t"
+- "mtc0\t$1, $12\n\t"
+-
+- "dli\t$1, 0x9000000080000000\n\t"
+- "or\t%0, $1\t\t\t# first line to flush\n\t"
+- "or\t%1, $1\t\t\t# last line to flush\n\t"
+- ".set\tat\n\t"
+-
+- "1:\tsw\t$0, 0(%0)\n\t"
+- "bne\t%0, %1, 1b\n\t"
+- " daddu\t%0, 32\n\t"
+-
+- "mtc0\t%2, $12\t\t\t# Back to 32 bit\n\t"
+- "nop; nop; nop; nop;\n\t"
+- ".set\tpop"
++ " .set push # indy_sc_wipe \n"
++ " .set noreorder \n"
++ " .set mips3 \n"
++ " .set noat \n"
++ " mfc0 %2, $12 \n"
++ " li $1, 0x80 # Go 64 bit \n"
++ " mtc0 $1, $12 \n"
++ " \n"
++ " # \n"
++ " # Open code a dli $1, 0x9000000080000000 \n"
++ " # \n"
++ " # Required because binutils 2.25 will happily accept \n"
++ " # 64 bit instructions in .set mips3 mode but puke on \n"
++ " # 64 bit constants when generating 32 bit ELF \n"
++ " # \n"
++ " lui $1,0x9000 \n"
++ " dsll $1,$1,0x10 \n"
++ " ori $1,$1,0x8000 \n"
++ " dsll $1,$1,0x10 \n"
++ " \n"
++ " or %0, $1 # first line to flush \n"
++ " or %1, $1 # last line to flush \n"
++ " .set at \n"
++ " \n"
++ "1: sw $0, 0(%0) \n"
++ " bne %0, %1, 1b \n"
++ " daddu %0, 32 \n"
++ " \n"
++ " mtc0 %2, $12 # Back to 32 bit \n"
++ " nop # pipeline hazard \n"
++ " nop \n"
++ " nop \n"
++ " nop \n"
++ " .set pop \n"
+ : "=r" (first), "=r" (last), "=&r" (tmp)
+ : "0" (first), "1" (last));
+ }
+diff --git a/arch/mips/pic32/pic32mzda/Makefile b/arch/mips/pic32/pic32mzda/Makefile
+index 4a4c2728c027..c28649615c6c 100644
+--- a/arch/mips/pic32/pic32mzda/Makefile
++++ b/arch/mips/pic32/pic32mzda/Makefile
+@@ -2,8 +2,7 @@
+ # Joshua Henderson, <joshua.henderson@microchip.com>
+ # Copyright (C) 2015 Microchip Technology, Inc. All rights reserved.
+ #
+-obj-y := init.o time.o config.o
++obj-y := config.o early_clk.o init.o time.o
+
+ obj-$(CONFIG_EARLY_PRINTK) += early_console.o \
+- early_pin.o \
+- early_clk.o
++ early_pin.o
+diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
+index a244e09d2d88..5d22b0bef3d8 100644
+--- a/arch/powerpc/include/asm/mmu.h
++++ b/arch/powerpc/include/asm/mmu.h
+@@ -136,6 +136,7 @@ enum {
+ MMU_FTR_NO_SLBIE_B | MMU_FTR_16M_PAGE | MMU_FTR_TLBIEL |
+ MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_CI_LARGE_PAGE |
+ MMU_FTR_1T_SEGMENT | MMU_FTR_TLBIE_CROP_VA |
++ MMU_FTR_KERNEL_RO |
+ #ifdef CONFIG_PPC_RADIX_MMU
+ MMU_FTR_TYPE_RADIX |
+ #endif
+diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
+index 37c027ca83b2..7803756998e2 100644
+--- a/arch/powerpc/kernel/cpu_setup_power.S
++++ b/arch/powerpc/kernel/cpu_setup_power.S
+@@ -100,6 +100,8 @@ _GLOBAL(__setup_cpu_power9)
+ mfspr r3,SPRN_LPCR
+ LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE)
+ or r3, r3, r4
++ LOAD_REG_IMMEDIATE(r4, LPCR_UPRT | LPCR_HR)
++ andc r3, r3, r4
+ bl __init_LPCR
+ bl __init_HFSCR
+ bl __init_tlb_power9
+@@ -120,6 +122,8 @@ _GLOBAL(__restore_cpu_power9)
+ mfspr r3,SPRN_LPCR
+ LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE)
+ or r3, r3, r4
++ LOAD_REG_IMMEDIATE(r4, LPCR_UPRT | LPCR_HR)
++ andc r3, r3, r4
+ bl __init_LPCR
+ bl __init_HFSCR
+ bl __init_tlb_power9
+diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
+index 03d089b3ed72..469d86d1c2a5 100644
+--- a/arch/powerpc/kernel/hw_breakpoint.c
++++ b/arch/powerpc/kernel/hw_breakpoint.c
+@@ -228,8 +228,10 @@ int hw_breakpoint_handler(struct die_args *args)
+ rcu_read_lock();
+
+ bp = __this_cpu_read(bp_per_reg);
+- if (!bp)
++ if (!bp) {
++ rc = NOTIFY_DONE;
+ goto out;
++ }
+ info = counter_arch_bp(bp);
+
+ /*
+diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h
+index 34684adb6899..b3b09b98896d 100644
+--- a/arch/x86/include/asm/pkeys.h
++++ b/arch/x86/include/asm/pkeys.h
+@@ -46,6 +46,15 @@ extern int __arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
+ static inline
+ bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey)
+ {
++ /*
++ * "Allocated" pkeys are those that have been returned
++ * from pkey_alloc(). pkey 0 is special, and never
++ * returned from pkey_alloc().
++ */
++ if (pkey <= 0)
++ return false;
++ if (pkey >= arch_max_pkey())
++ return false;
+ return mm_pkey_allocation_map(mm) & (1U << pkey);
+ }
+
+@@ -82,12 +91,6 @@ int mm_pkey_alloc(struct mm_struct *mm)
+ static inline
+ int mm_pkey_free(struct mm_struct *mm, int pkey)
+ {
+- /*
+- * pkey 0 is special, always allocated and can never
+- * be freed.
+- */
+- if (!pkey)
+- return -EINVAL;
+ if (!mm_pkey_is_allocated(mm, pkey))
+ return -EINVAL;
+
+diff --git a/crypto/testmgr.h b/crypto/testmgr.h
+index e64a4ef9d8ca..9033088ca231 100644
+--- a/crypto/testmgr.h
++++ b/crypto/testmgr.h
+@@ -22813,7 +22813,7 @@ static struct aead_testvec aes_ccm_enc_tv_template[] = {
+ "\x09\x75\x9a\x9b\x3c\x9b\x27\x39",
+ .klen = 32,
+ .iv = "\x03\xf9\xd9\x4e\x63\xb5\x3d\x9d"
+- "\x43\xf6\x1e\x50",
++ "\x43\xf6\x1e\x50\0\0\0\0",
+ .assoc = "\x57\xf5\x6b\x8b\x57\x5c\x3d\x3b"
+ "\x13\x02\x01\x0c\x83\x4c\x96\x35"
+ "\x8e\xd6\x39\xcf\x7d\x14\x9b\x94"
+diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
+index 2c1798e38abd..38688236b3cd 100644
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -633,8 +633,11 @@ static int bcma_device_probe(struct device *dev)
+ drv);
+ int err = 0;
+
++ get_device(dev);
+ if (adrv->probe)
+ err = adrv->probe(core);
++ if (err)
++ put_device(dev);
+
+ return err;
+ }
+@@ -647,6 +650,7 @@ static int bcma_device_remove(struct device *dev)
+
+ if (adrv->remove)
+ adrv->remove(core);
++ put_device(dev);
+
+ return 0;
+ }
+diff --git a/drivers/block/loop.c b/drivers/block/loop.c
+index 4af818766797..24d6cefceb32 100644
+--- a/drivers/block/loop.c
++++ b/drivers/block/loop.c
+@@ -1097,9 +1097,12 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
+ if ((unsigned int) info->lo_encrypt_key_size > LO_KEY_SIZE)
+ return -EINVAL;
+
++ /* I/O need to be drained during transfer transition */
++ blk_mq_freeze_queue(lo->lo_queue);
++
+ err = loop_release_xfer(lo);
+ if (err)
+- return err;
++ goto exit;
+
+ if (info->lo_encrypt_type) {
+ unsigned int type = info->lo_encrypt_type;
+@@ -1114,12 +1117,14 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
+
+ err = loop_init_xfer(lo, xfer, info);
+ if (err)
+- return err;
++ goto exit;
+
+ if (lo->lo_offset != info->lo_offset ||
+ lo->lo_sizelimit != info->lo_sizelimit)
+- if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit))
+- return -EFBIG;
++ if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit)) {
++ err = -EFBIG;
++ goto exit;
++ }
+
+ loop_config_discard(lo);
+
+@@ -1137,13 +1142,6 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
+ (info->lo_flags & LO_FLAGS_AUTOCLEAR))
+ lo->lo_flags ^= LO_FLAGS_AUTOCLEAR;
+
+- if ((info->lo_flags & LO_FLAGS_PARTSCAN) &&
+- !(lo->lo_flags & LO_FLAGS_PARTSCAN)) {
+- lo->lo_flags |= LO_FLAGS_PARTSCAN;
+- lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;
+- loop_reread_partitions(lo, lo->lo_device);
+- }
+-
+ lo->lo_encrypt_key_size = info->lo_encrypt_key_size;
+ lo->lo_init[0] = info->lo_init[0];
+ lo->lo_init[1] = info->lo_init[1];
+@@ -1156,7 +1154,17 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
+ /* update dio if lo_offset or transfer is changed */
+ __loop_update_dio(lo, lo->use_dio);
+
+- return 0;
++ exit:
++ blk_mq_unfreeze_queue(lo->lo_queue);
++
++ if (!err && (info->lo_flags & LO_FLAGS_PARTSCAN) &&
++ !(lo->lo_flags & LO_FLAGS_PARTSCAN)) {
++ lo->lo_flags |= LO_FLAGS_PARTSCAN;
++ lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;
++ loop_reread_partitions(lo, lo->lo_device);
++ }
++
++ return err;
+ }
+
+ static int
+diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
+index eaf5730d79eb..8022bea27fed 100644
+--- a/drivers/char/tpm/tpm_tis.c
++++ b/drivers/char/tpm/tpm_tis.c
+@@ -421,7 +421,7 @@ static int __init init_tis(void)
+ acpi_bus_unregister_driver(&tis_acpi_driver);
+ err_acpi:
+ #endif
+- platform_device_unregister(force_pdev);
++ platform_driver_unregister(&tis_drv);
+ err_platform:
+ if (force_pdev)
+ platform_device_unregister(force_pdev);
+diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
+index 712592cef1a2..7309c0824887 100644
+--- a/drivers/devfreq/devfreq.c
++++ b/drivers/devfreq/devfreq.c
+@@ -130,7 +130,7 @@ static void devfreq_set_freq_table(struct devfreq *devfreq)
+ * @devfreq: the devfreq instance
+ * @freq: the update target frequency
+ */
+-static int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
++int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
+ {
+ int lev, prev_lev, ret = 0;
+ unsigned long cur_time;
+@@ -166,6 +166,7 @@ static int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
+ devfreq->last_stat_updated = cur_time;
+ return ret;
+ }
++EXPORT_SYMBOL(devfreq_update_status);
+
+ /**
+ * find_devfreq_governor() - find devfreq governor from name
+@@ -939,6 +940,9 @@ static ssize_t governor_store(struct device *dev, struct device_attribute *attr,
+ if (df->governor == governor) {
+ ret = 0;
+ goto out;
++ } else if (df->governor->immutable || governor->immutable) {
++ ret = -EINVAL;
++ goto out;
+ }
+
+ if (df->governor) {
+@@ -968,13 +972,33 @@ static ssize_t available_governors_show(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- struct devfreq_governor *tmp_governor;
++ struct devfreq *df = to_devfreq(d);
+ ssize_t count = 0;
+
+ mutex_lock(&devfreq_list_lock);
+- list_for_each_entry(tmp_governor, &devfreq_governor_list, node)
+- count += scnprintf(&buf[count], (PAGE_SIZE - count - 2),
+- "%s ", tmp_governor->name);
++
++ /*
++ * The devfreq with immutable governor (e.g., passive) shows
++ * only own governor.
++ */
++ if (df->governor->immutable) {
++ count = scnprintf(&buf[count], DEVFREQ_NAME_LEN,
++ "%s ", df->governor_name);
++ /*
++ * The devfreq device shows the registered governor except for
++ * immutable governors such as passive governor .
++ */
++ } else {
++ struct devfreq_governor *governor;
++
++ list_for_each_entry(governor, &devfreq_governor_list, node) {
++ if (governor->immutable)
++ continue;
++ count += scnprintf(&buf[count], (PAGE_SIZE - count - 2),
++ "%s ", governor->name);
++ }
++ }
++
+ mutex_unlock(&devfreq_list_lock);
+
+ /* Truncate the trailing space */
+diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h
+index fad7d6321978..71576b8bdfef 100644
+--- a/drivers/devfreq/governor.h
++++ b/drivers/devfreq/governor.h
+@@ -38,4 +38,6 @@ extern void devfreq_interval_update(struct devfreq *devfreq,
+ extern int devfreq_add_governor(struct devfreq_governor *governor);
+ extern int devfreq_remove_governor(struct devfreq_governor *governor);
+
++extern int devfreq_update_status(struct devfreq *devfreq, unsigned long freq);
++
+ #endif /* _GOVERNOR_H */
+diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c
+index 9ef46e2592c4..5be96b2249e7 100644
+--- a/drivers/devfreq/governor_passive.c
++++ b/drivers/devfreq/governor_passive.c
+@@ -112,6 +112,11 @@ static int update_devfreq_passive(struct devfreq *devfreq, unsigned long freq)
+ if (ret < 0)
+ goto out;
+
++ if (devfreq->profile->freq_table
++ && (devfreq_update_status(devfreq, freq)))
++ dev_err(&devfreq->dev,
++ "Couldn't update frequency transition information.\n");
++
+ devfreq->previous_freq = freq;
+
+ out:
+@@ -179,6 +184,7 @@ static int devfreq_passive_event_handler(struct devfreq *devfreq,
+
+ static struct devfreq_governor devfreq_passive = {
+ .name = "passive",
++ .immutable = 1,
+ .get_target_freq = devfreq_passive_get_target_freq,
+ .event_handler = devfreq_passive_event_handler,
+ };
+diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
+index dd184b50e5b4..284627806b88 100644
+--- a/drivers/dma/ipu/ipu_irq.c
++++ b/drivers/dma/ipu/ipu_irq.c
+@@ -272,7 +272,7 @@ static void ipu_irq_handler(struct irq_desc *desc)
+ u32 status;
+ int i, line;
+
+- for (i = IPU_IRQ_NR_FN_BANKS; i < IPU_IRQ_NR_BANKS; i++) {
++ for (i = 0; i < IPU_IRQ_NR_BANKS; i++) {
+ struct ipu_irq_bank *bank = irq_bank + i;
+
+ raw_spin_lock(&bank_lock);
+diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
+index 5fb4c6d9209b..be34547cdb68 100644
+--- a/drivers/hv/channel.c
++++ b/drivers/hv/channel.c
+@@ -157,6 +157,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
+ }
+
+ init_completion(&open_info->waitevent);
++ open_info->waiting_channel = newchannel;
+
+ open_msg = (struct vmbus_channel_open_channel *)open_info->msg;
+ open_msg->header.msgtype = CHANNELMSG_OPENCHANNEL;
+@@ -181,7 +182,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
+ spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
+
+ ret = vmbus_post_msg(open_msg,
+- sizeof(struct vmbus_channel_open_channel));
++ sizeof(struct vmbus_channel_open_channel), true);
+
+ if (ret != 0) {
+ err = ret;
+@@ -194,6 +195,11 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
+ list_del(&open_info->msglistentry);
+ spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
+
++ if (newchannel->rescind) {
++ err = -ENODEV;
++ goto error_free_gpadl;
++ }
++
+ if (open_info->response.open_result.status) {
+ err = -EAGAIN;
+ goto error_free_gpadl;
+@@ -233,7 +239,7 @@ int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id,
+ conn_msg.guest_endpoint_id = *shv_guest_servie_id;
+ conn_msg.host_service_id = *shv_host_servie_id;
+
+- return vmbus_post_msg(&conn_msg, sizeof(conn_msg));
++ return vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);
+ }
+ EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request);
+
+@@ -405,6 +411,7 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
+ return ret;
+
+ init_completion(&msginfo->waitevent);
++ msginfo->waiting_channel = channel;
+
+ gpadlmsg = (struct vmbus_channel_gpadl_header *)msginfo->msg;
+ gpadlmsg->header.msgtype = CHANNELMSG_GPADL_HEADER;
+@@ -419,7 +426,7 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
+ spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
+
+ ret = vmbus_post_msg(gpadlmsg, msginfo->msgsize -
+- sizeof(*msginfo));
++ sizeof(*msginfo), true);
+ if (ret != 0)
+ goto cleanup;
+
+@@ -433,14 +440,19 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
+ gpadl_body->gpadl = next_gpadl_handle;
+
+ ret = vmbus_post_msg(gpadl_body,
+- submsginfo->msgsize -
+- sizeof(*submsginfo));
++ submsginfo->msgsize - sizeof(*submsginfo),
++ true);
+ if (ret != 0)
+ goto cleanup;
+
+ }
+ wait_for_completion(&msginfo->waitevent);
+
++ if (channel->rescind) {
++ ret = -ENODEV;
++ goto cleanup;
++ }
++
+ /* At this point, we received the gpadl created msg */
+ *gpadl_handle = gpadlmsg->gpadl;
+
+@@ -474,6 +486,7 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle)
+ return -ENOMEM;
+
+ init_completion(&info->waitevent);
++ info->waiting_channel = channel;
+
+ msg = (struct vmbus_channel_gpadl_teardown *)info->msg;
+
+@@ -485,14 +498,19 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle)
+ list_add_tail(&info->msglistentry,
+ &vmbus_connection.chn_msg_list);
+ spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
+- ret = vmbus_post_msg(msg,
+- sizeof(struct vmbus_channel_gpadl_teardown));
++ ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_gpadl_teardown),
++ true);
+
+ if (ret)
+ goto post_msg_err;
+
+ wait_for_completion(&info->waitevent);
+
++ if (channel->rescind) {
++ ret = -ENODEV;
++ goto post_msg_err;
++ }
++
+ post_msg_err:
+ spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
+ list_del(&info->msglistentry);
+@@ -557,7 +575,8 @@ static int vmbus_close_internal(struct vmbus_channel *channel)
+ msg->header.msgtype = CHANNELMSG_CLOSECHANNEL;
+ msg->child_relid = channel->offermsg.child_relid;
+
+- ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_close_channel));
++ ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_close_channel),
++ true);
+
+ if (ret) {
+ pr_err("Close failed: close post msg return is %d\n", ret);
+diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
+index caf341842464..cb9531541a12 100644
+--- a/drivers/hv/channel_mgmt.c
++++ b/drivers/hv/channel_mgmt.c
+@@ -147,6 +147,29 @@ static const struct {
+ { HV_RDV_GUID },
+ };
+
++/*
++ * The rescinded channel may be blocked waiting for a response from the host;
++ * take care of that.
++ */
++static void vmbus_rescind_cleanup(struct vmbus_channel *channel)
++{
++ struct vmbus_channel_msginfo *msginfo;
++ unsigned long flags;
++
++
++ spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
++
++ list_for_each_entry(msginfo, &vmbus_connection.chn_msg_list,
++ msglistentry) {
++
++ if (msginfo->waiting_channel == channel) {
++ complete(&msginfo->waitevent);
++ break;
++ }
++ }
++ spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
++}
++
+ static bool is_unsupported_vmbus_devs(const uuid_le *guid)
+ {
+ int i;
+@@ -321,7 +344,8 @@ static void vmbus_release_relid(u32 relid)
+ memset(&msg, 0, sizeof(struct vmbus_channel_relid_released));
+ msg.child_relid = relid;
+ msg.header.msgtype = CHANNELMSG_RELID_RELEASED;
+- vmbus_post_msg(&msg, sizeof(struct vmbus_channel_relid_released));
++ vmbus_post_msg(&msg, sizeof(struct vmbus_channel_relid_released),
++ true);
+ }
+
+ void hv_event_tasklet_disable(struct vmbus_channel *channel)
+@@ -728,7 +752,8 @@ void vmbus_initiate_unload(bool crash)
+ init_completion(&vmbus_connection.unload_event);
+ memset(&hdr, 0, sizeof(struct vmbus_channel_message_header));
+ hdr.msgtype = CHANNELMSG_UNLOAD;
+- vmbus_post_msg(&hdr, sizeof(struct vmbus_channel_message_header));
++ vmbus_post_msg(&hdr, sizeof(struct vmbus_channel_message_header),
++ !crash);
+
+ /*
+ * vmbus_initiate_unload() is also called on crash and the crash can be
+@@ -823,6 +848,8 @@ static void vmbus_onoffer_rescind(struct vmbus_channel_message_header *hdr)
+ channel->rescind = true;
+ spin_unlock_irqrestore(&channel->lock, flags);
+
++ vmbus_rescind_cleanup(channel);
++
+ if (channel->device_obj) {
+ if (channel->chn_rescind_callback) {
+ channel->chn_rescind_callback(channel);
+@@ -1116,8 +1143,8 @@ int vmbus_request_offers(void)
+ msg->msgtype = CHANNELMSG_REQUESTOFFERS;
+
+
+- ret = vmbus_post_msg(msg,
+- sizeof(struct vmbus_channel_message_header));
++ ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_message_header),
++ true);
+ if (ret != 0) {
+ pr_err("Unable to request offers - %d\n", ret);
+
+diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
+index 78e6368a4423..840b6db0ea4b 100644
+--- a/drivers/hv/connection.c
++++ b/drivers/hv/connection.c
+@@ -110,7 +110,8 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
+ spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
+
+ ret = vmbus_post_msg(msg,
+- sizeof(struct vmbus_channel_initiate_contact));
++ sizeof(struct vmbus_channel_initiate_contact),
++ true);
+ if (ret != 0) {
+ spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
+ list_del(&msginfo->msglistentry);
+@@ -434,7 +435,7 @@ void vmbus_on_event(unsigned long data)
+ /*
+ * vmbus_post_msg - Send a msg on the vmbus's message connection
+ */
+-int vmbus_post_msg(void *buffer, size_t buflen)
++int vmbus_post_msg(void *buffer, size_t buflen, bool can_sleep)
+ {
+ union hv_connection_id conn_id;
+ int ret = 0;
+@@ -449,7 +450,7 @@ int vmbus_post_msg(void *buffer, size_t buflen)
+ * insufficient resources. Retry the operation a couple of
+ * times before giving up.
+ */
+- while (retries < 20) {
++ while (retries < 100) {
+ ret = hv_post_message(conn_id, 1, buffer, buflen);
+
+ switch (ret) {
+@@ -472,8 +473,14 @@ int vmbus_post_msg(void *buffer, size_t buflen)
+ }
+
+ retries++;
+- udelay(usec);
+- if (usec < 2048)
++ if (can_sleep && usec > 1000)
++ msleep(usec / 1000);
++ else if (usec < MAX_UDELAY_MS * 1000)
++ udelay(usec);
++ else
++ mdelay(usec / 1000);
++
++ if (usec < 256000)
+ usec *= 2;
+ }
+ return ret;
+diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
+index 60dbd6cb4640..6e49a4dd99c0 100644
+--- a/drivers/hv/hv.c
++++ b/drivers/hv/hv.c
+@@ -309,9 +309,10 @@ void hv_cleanup(bool crash)
+
+ hypercall_msr.as_uint64 = 0;
+ wrmsrl(HV_X64_MSR_REFERENCE_TSC, hypercall_msr.as_uint64);
+- if (!crash)
++ if (!crash) {
+ vfree(hv_context.tsc_page);
+- hv_context.tsc_page = NULL;
++ hv_context.tsc_page = NULL;
++ }
+ }
+ #endif
+ }
+@@ -411,7 +412,7 @@ int hv_synic_alloc(void)
+ goto err;
+ }
+
+- for_each_online_cpu(cpu) {
++ for_each_present_cpu(cpu) {
+ hv_context.event_dpc[cpu] = kmalloc(size, GFP_ATOMIC);
+ if (hv_context.event_dpc[cpu] == NULL) {
+ pr_err("Unable to allocate event dpc\n");
+@@ -457,6 +458,8 @@ int hv_synic_alloc(void)
+ pr_err("Unable to allocate post msg page\n");
+ goto err;
+ }
++
++ INIT_LIST_HEAD(&hv_context.percpu_list[cpu]);
+ }
+
+ return 0;
+@@ -482,7 +485,7 @@ void hv_synic_free(void)
+ int cpu;
+
+ kfree(hv_context.hv_numa_map);
+- for_each_online_cpu(cpu)
++ for_each_present_cpu(cpu)
+ hv_synic_free_cpu(cpu);
+ }
+
+@@ -552,8 +555,6 @@ void hv_synic_init(void *arg)
+ rdmsrl(HV_X64_MSR_VP_INDEX, vp_index);
+ hv_context.vp_index[cpu] = (u32)vp_index;
+
+- INIT_LIST_HEAD(&hv_context.percpu_list[cpu]);
+-
+ /*
+ * Register the per-cpu clockevent source.
+ */
+diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c
+index 8b2ba98831ec..e47d8c9db03a 100644
+--- a/drivers/hv/hv_fcopy.c
++++ b/drivers/hv/hv_fcopy.c
+@@ -61,6 +61,7 @@ static DECLARE_WORK(fcopy_send_work, fcopy_send_data);
+ static const char fcopy_devname[] = "vmbus/hv_fcopy";
+ static u8 *recv_buffer;
+ static struct hvutil_transport *hvt;
++static struct completion release_event;
+ /*
+ * This state maintains the version number registered by the daemon.
+ */
+@@ -317,6 +318,7 @@ static void fcopy_on_reset(void)
+
+ if (cancel_delayed_work_sync(&fcopy_timeout_work))
+ fcopy_respond_to_host(HV_E_FAIL);
++ complete(&release_event);
+ }
+
+ int hv_fcopy_init(struct hv_util_service *srv)
+@@ -324,6 +326,7 @@ int hv_fcopy_init(struct hv_util_service *srv)
+ recv_buffer = srv->recv_buffer;
+ fcopy_transaction.recv_channel = srv->channel;
+
++ init_completion(&release_event);
+ /*
+ * When this driver loads, the user level daemon that
+ * processes the host requests may not yet be running.
+@@ -345,4 +348,5 @@ void hv_fcopy_deinit(void)
+ fcopy_transaction.state = HVUTIL_DEVICE_DYING;
+ cancel_delayed_work_sync(&fcopy_timeout_work);
+ hvutil_transport_destroy(hvt);
++ wait_for_completion(&release_event);
+ }
+diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c
+index 5e1fdc8d32ab..3abfc5983c97 100644
+--- a/drivers/hv/hv_kvp.c
++++ b/drivers/hv/hv_kvp.c
+@@ -88,6 +88,7 @@ static DECLARE_WORK(kvp_sendkey_work, kvp_send_key);
+ static const char kvp_devname[] = "vmbus/hv_kvp";
+ static u8 *recv_buffer;
+ static struct hvutil_transport *hvt;
++static struct completion release_event;
+ /*
+ * Register the kernel component with the user-level daemon.
+ * As part of this registration, pass the LIC version number.
+@@ -716,6 +717,7 @@ static void kvp_on_reset(void)
+ if (cancel_delayed_work_sync(&kvp_timeout_work))
+ kvp_respond_to_host(NULL, HV_E_FAIL);
+ kvp_transaction.state = HVUTIL_DEVICE_INIT;
++ complete(&release_event);
+ }
+
+ int
+@@ -724,6 +726,7 @@ hv_kvp_init(struct hv_util_service *srv)
+ recv_buffer = srv->recv_buffer;
+ kvp_transaction.recv_channel = srv->channel;
+
++ init_completion(&release_event);
+ /*
+ * When this driver loads, the user level daemon that
+ * processes the host requests may not yet be running.
+@@ -747,4 +750,5 @@ void hv_kvp_deinit(void)
+ cancel_delayed_work_sync(&kvp_timeout_work);
+ cancel_work_sync(&kvp_sendkey_work);
+ hvutil_transport_destroy(hvt);
++ wait_for_completion(&release_event);
+ }
+diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c
+index a6707133c297..a76e3db0d01f 100644
+--- a/drivers/hv/hv_snapshot.c
++++ b/drivers/hv/hv_snapshot.c
+@@ -66,6 +66,7 @@ static int dm_reg_value;
+ static const char vss_devname[] = "vmbus/hv_vss";
+ static __u8 *recv_buffer;
+ static struct hvutil_transport *hvt;
++static struct completion release_event;
+
+ static void vss_timeout_func(struct work_struct *dummy);
+ static void vss_handle_request(struct work_struct *dummy);
+@@ -330,11 +331,13 @@ static void vss_on_reset(void)
+ if (cancel_delayed_work_sync(&vss_timeout_work))
+ vss_respond_to_host(HV_E_FAIL);
+ vss_transaction.state = HVUTIL_DEVICE_INIT;
++ complete(&release_event);
+ }
+
+ int
+ hv_vss_init(struct hv_util_service *srv)
+ {
++ init_completion(&release_event);
+ if (vmbus_proto_version < VERSION_WIN8_1) {
+ pr_warn("Integration service 'Backup (volume snapshot)'"
+ " not supported on this host version.\n");
+@@ -365,4 +368,5 @@ void hv_vss_deinit(void)
+ cancel_delayed_work_sync(&vss_timeout_work);
+ cancel_work_sync(&vss_handle_request_work);
+ hvutil_transport_destroy(hvt);
++ wait_for_completion(&release_event);
+ }
+diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
+index 2b13f2a0a71e..8d7f865c1133 100644
+--- a/drivers/hv/hyperv_vmbus.h
++++ b/drivers/hv/hyperv_vmbus.h
+@@ -683,7 +683,7 @@ void vmbus_free_channels(void);
+ int vmbus_connect(void);
+ void vmbus_disconnect(void);
+
+-int vmbus_post_msg(void *buffer, size_t buflen);
++int vmbus_post_msg(void *buffer, size_t buflen, bool can_sleep);
+
+ void vmbus_on_event(unsigned long data);
+ void vmbus_on_msg_dpc(unsigned long data);
+diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
+index 308dbda700eb..e94ed1c22c8b 100644
+--- a/drivers/hv/ring_buffer.c
++++ b/drivers/hv/ring_buffer.c
+@@ -298,6 +298,9 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
+ unsigned long flags = 0;
+ struct hv_ring_buffer_info *outring_info = &channel->outbound;
+
++ if (channel->rescind)
++ return -ENODEV;
++
+ for (i = 0; i < kv_count; i++)
+ totalbytes_towrite += kv_list[i].iov_len;
+
+@@ -350,6 +353,10 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
+ spin_unlock_irqrestore(&outring_info->ring_lock, flags);
+
+ hv_signal_on_write(old_write, channel, kick_q);
++
++ if (channel->rescind)
++ return -ENODEV;
++
+ return 0;
+ }
+
+diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
+index ad82cb28d87a..43146162c122 100644
+--- a/drivers/hwmon/it87.c
++++ b/drivers/hwmon/it87.c
+@@ -1300,25 +1300,35 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
+ it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+ data->fan_main_ctrl);
+ } else {
++ u8 ctrl;
++
+ /* No on/off mode, set maximum pwm value */
+ data->pwm_duty[nr] = pwm_to_reg(data, 0xff);
+ it87_write_value(data, IT87_REG_PWM_DUTY[nr],
+ data->pwm_duty[nr]);
+ /* and set manual mode */
+- data->pwm_ctrl[nr] = has_newer_autopwm(data) ?
+- data->pwm_temp_map[nr] :
+- data->pwm_duty[nr];
+- it87_write_value(data, IT87_REG_PWM[nr],
+- data->pwm_ctrl[nr]);
++ if (has_newer_autopwm(data)) {
++ ctrl = (data->pwm_ctrl[nr] & 0x7c) |
++ data->pwm_temp_map[nr];
++ } else {
++ ctrl = data->pwm_duty[nr];
++ }
++ data->pwm_ctrl[nr] = ctrl;
++ it87_write_value(data, IT87_REG_PWM[nr], ctrl);
+ }
+ } else {
+- if (val == 1) /* Manual mode */
+- data->pwm_ctrl[nr] = has_newer_autopwm(data) ?
+- data->pwm_temp_map[nr] :
+- data->pwm_duty[nr];
+- else /* Automatic mode */
+- data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
+- it87_write_value(data, IT87_REG_PWM[nr], data->pwm_ctrl[nr]);
++ u8 ctrl;
++
++ if (has_newer_autopwm(data)) {
++ ctrl = (data->pwm_ctrl[nr] & 0x7c) |
++ data->pwm_temp_map[nr];
++ if (val != 1)
++ ctrl |= 0x80;
++ } else {
++ ctrl = (val == 1 ? data->pwm_duty[nr] : 0x80);
++ }
++ data->pwm_ctrl[nr] = ctrl;
++ it87_write_value(data, IT87_REG_PWM[nr], ctrl);
+
+ if (data->type != it8603 && nr < 3) {
+ /* set SmartGuardian mode */
+@@ -1344,6 +1354,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
++ it87_update_pwm_ctrl(data, nr);
+ if (has_newer_autopwm(data)) {
+ /*
+ * If we are in automatic mode, the PWM duty cycle register
+@@ -1456,13 +1467,15 @@ static ssize_t set_pwm_temp_map(struct device *dev,
+ }
+
+ mutex_lock(&data->update_lock);
++ it87_update_pwm_ctrl(data, nr);
+ data->pwm_temp_map[nr] = reg;
+ /*
+ * If we are in automatic mode, write the temp mapping immediately;
+ * otherwise, just store it for later use.
+ */
+ if (data->pwm_ctrl[nr] & 0x80) {
+- data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
++ data->pwm_ctrl[nr] = (data->pwm_ctrl[nr] & 0xfc) |
++ data->pwm_temp_map[nr];
+ it87_write_value(data, IT87_REG_PWM[nr], data->pwm_ctrl[nr]);
+ }
+ mutex_unlock(&data->update_lock);
+diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
+index 49e0f1b925a5..8e7905632d25 100644
+--- a/drivers/hwtracing/coresight/coresight-stm.c
++++ b/drivers/hwtracing/coresight/coresight-stm.c
+@@ -356,7 +356,7 @@ static void stm_generic_unlink(struct stm_data *stm_data,
+ if (!drvdata || !drvdata->csdev)
+ return;
+
+- stm_disable(drvdata->csdev, NULL);
++ coresight_disable(drvdata->csdev);
+ }
+
+ static phys_addr_t
+diff --git a/drivers/iio/pressure/mpl115.c b/drivers/iio/pressure/mpl115.c
+index 73f2f0c46e62..8f2bce213248 100644
+--- a/drivers/iio/pressure/mpl115.c
++++ b/drivers/iio/pressure/mpl115.c
+@@ -137,6 +137,7 @@ static const struct iio_chan_spec mpl115_channels[] = {
+ {
+ .type = IIO_TEMP,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
++ .info_mask_shared_by_type =
+ BIT(IIO_CHAN_INFO_OFFSET) | BIT(IIO_CHAN_INFO_SCALE),
+ },
+ };
+diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c
+index 6392d7b62841..eb87948fc559 100644
+--- a/drivers/iio/pressure/mpl3115.c
++++ b/drivers/iio/pressure/mpl3115.c
+@@ -182,7 +182,7 @@ static const struct iio_chan_spec mpl3115_channels[] = {
+ {
+ .type = IIO_PRESSURE,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- BIT(IIO_CHAN_INFO_SCALE),
++ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .scan_index = 0,
+ .scan_type = {
+ .sign = 'u',
+@@ -195,7 +195,7 @@ static const struct iio_chan_spec mpl3115_channels[] = {
+ {
+ .type = IIO_TEMP,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- BIT(IIO_CHAN_INFO_SCALE),
++ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .scan_index = 1,
+ .scan_type = {
+ .sign = 's',
+diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
+index c25768c2dd3b..f2d40c05ef9e 100644
+--- a/drivers/infiniband/core/cma.c
++++ b/drivers/infiniband/core/cma.c
+@@ -3540,6 +3540,9 @@ static int cma_accept_iw(struct rdma_id_private *id_priv,
+ struct iw_cm_conn_param iw_param;
+ int ret;
+
++ if (!conn_param)
++ return -EINVAL;
++
+ ret = cma_modify_qp_rtr(id_priv, conn_param);
+ if (ret)
+ return ret;
+diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
+index d82637ab09fd..34be95ee9038 100644
+--- a/drivers/iommu/intel-iommu.c
++++ b/drivers/iommu/intel-iommu.c
+@@ -3325,13 +3325,14 @@ static int __init init_dmars(void)
+ iommu_identity_mapping |= IDENTMAP_GFX;
+ #endif
+
++ check_tylersburg_isoch();
++
+ if (iommu_identity_mapping) {
+ ret = si_domain_init(hw_pass_through);
+ if (ret)
+ goto free_iommu;
+ }
+
+- check_tylersburg_isoch();
+
+ /*
+ * If we copied translations from a previous kernel in the kdump
+diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
+index 59b2c50562e4..c817627d09ca 100644
+--- a/drivers/md/dm-cache-target.c
++++ b/drivers/md/dm-cache-target.c
+@@ -248,7 +248,7 @@ struct cache {
+ /*
+ * Fields for converting from sectors to blocks.
+ */
+- uint32_t sectors_per_block;
++ sector_t sectors_per_block;
+ int sectors_per_block_shift;
+
+ spinlock_t lock;
+@@ -3546,11 +3546,11 @@ static void cache_status(struct dm_target *ti, status_type_t type,
+
+ residency = policy_residency(cache->policy);
+
+- DMEMIT("%u %llu/%llu %u %llu/%llu %u %u %u %u %u %u %lu ",
++ DMEMIT("%u %llu/%llu %llu %llu/%llu %u %u %u %u %u %u %lu ",
+ (unsigned)DM_CACHE_METADATA_BLOCK_SIZE,
+ (unsigned long long)(nr_blocks_metadata - nr_free_blocks_metadata),
+ (unsigned long long)nr_blocks_metadata,
+- cache->sectors_per_block,
++ (unsigned long long)cache->sectors_per_block,
+ (unsigned long long) from_cblock(residency),
+ (unsigned long long) from_cblock(cache->cache_size),
+ (unsigned) atomic_read(&cache->stats.read_hit),
+diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
+index af2d79b52484..15daa36fcea6 100644
+--- a/drivers/md/dm-raid.c
++++ b/drivers/md/dm-raid.c
+@@ -3621,6 +3621,8 @@ static int raid_preresume(struct dm_target *ti)
+ return r;
+ }
+
++#define RESUME_STAY_FROZEN_FLAGS (CTR_FLAG_DELTA_DISKS | CTR_FLAG_DATA_OFFSET)
++
+ static void raid_resume(struct dm_target *ti)
+ {
+ struct raid_set *rs = ti->private;
+@@ -3638,7 +3640,15 @@ static void raid_resume(struct dm_target *ti)
+ mddev->ro = 0;
+ mddev->in_sync = 0;
+
+- clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
++ /*
++ * Keep the RAID set frozen if reshape/rebuild flags are set.
++ * The RAID set is unfrozen once the next table load/resume,
++ * which clears the reshape/rebuild flags, occurs.
++ * This ensures that the constructor for the inactive table
++ * retrieves an up-to-date reshape_position.
++ */
++ if (!(rs->ctr_flags & RESUME_STAY_FROZEN_FLAGS))
++ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+
+ if (mddev->suspended)
+ mddev_resume(mddev);
+diff --git a/drivers/md/dm-round-robin.c b/drivers/md/dm-round-robin.c
+index 6c25213ab38c..bdbb7e6e8212 100644
+--- a/drivers/md/dm-round-robin.c
++++ b/drivers/md/dm-round-robin.c
+@@ -17,8 +17,8 @@
+ #include <linux/module.h>
+
+ #define DM_MSG_PREFIX "multipath round-robin"
+-#define RR_MIN_IO 1000
+-#define RR_VERSION "1.1.0"
++#define RR_MIN_IO 1
++#define RR_VERSION "1.2.0"
+
+ /*-----------------------------------------------------------------
+ * Path-handling code, paths are held in lists
+@@ -47,44 +47,19 @@ struct selector {
+ struct list_head valid_paths;
+ struct list_head invalid_paths;
+ spinlock_t lock;
+- struct dm_path * __percpu *current_path;
+- struct percpu_counter repeat_count;
+ };
+
+-static void set_percpu_current_path(struct selector *s, struct dm_path *path)
+-{
+- int cpu;
+-
+- for_each_possible_cpu(cpu)
+- *per_cpu_ptr(s->current_path, cpu) = path;
+-}
+-
+ static struct selector *alloc_selector(void)
+ {
+ struct selector *s = kmalloc(sizeof(*s), GFP_KERNEL);
+
+- if (!s)
+- return NULL;
+-
+- INIT_LIST_HEAD(&s->valid_paths);
+- INIT_LIST_HEAD(&s->invalid_paths);
+- spin_lock_init(&s->lock);
+-
+- s->current_path = alloc_percpu(struct dm_path *);
+- if (!s->current_path)
+- goto out_current_path;
+- set_percpu_current_path(s, NULL);
+-
+- if (percpu_counter_init(&s->repeat_count, 0, GFP_KERNEL))
+- goto out_repeat_count;
++ if (s) {
++ INIT_LIST_HEAD(&s->valid_paths);
++ INIT_LIST_HEAD(&s->invalid_paths);
++ spin_lock_init(&s->lock);
++ }
+
+ return s;
+-
+-out_repeat_count:
+- free_percpu(s->current_path);
+-out_current_path:
+- kfree(s);
+- return NULL;;
+ }
+
+ static int rr_create(struct path_selector *ps, unsigned argc, char **argv)
+@@ -105,8 +80,6 @@ static void rr_destroy(struct path_selector *ps)
+
+ free_paths(&s->valid_paths);
+ free_paths(&s->invalid_paths);
+- free_percpu(s->current_path);
+- percpu_counter_destroy(&s->repeat_count);
+ kfree(s);
+ ps->context = NULL;
+ }
+@@ -157,6 +130,11 @@ static int rr_add_path(struct path_selector *ps, struct dm_path *path,
+ return -EINVAL;
+ }
+
++ if (repeat_count > 1) {
++ DMWARN_LIMIT("repeat_count > 1 is deprecated, using 1 instead");
++ repeat_count = 1;
++ }
++
+ /* allocate the path */
+ pi = kmalloc(sizeof(*pi), GFP_KERNEL);
+ if (!pi) {
+@@ -183,9 +161,6 @@ static void rr_fail_path(struct path_selector *ps, struct dm_path *p)
+ struct path_info *pi = p->pscontext;
+
+ spin_lock_irqsave(&s->lock, flags);
+- if (p == *this_cpu_ptr(s->current_path))
+- set_percpu_current_path(s, NULL);
+-
+ list_move(&pi->list, &s->invalid_paths);
+ spin_unlock_irqrestore(&s->lock, flags);
+ }
+@@ -208,29 +183,15 @@ static struct dm_path *rr_select_path(struct path_selector *ps, size_t nr_bytes)
+ unsigned long flags;
+ struct selector *s = ps->context;
+ struct path_info *pi = NULL;
+- struct dm_path *current_path = NULL;
+-
+- local_irq_save(flags);
+- current_path = *this_cpu_ptr(s->current_path);
+- if (current_path) {
+- percpu_counter_dec(&s->repeat_count);
+- if (percpu_counter_read_positive(&s->repeat_count) > 0) {
+- local_irq_restore(flags);
+- return current_path;
+- }
+- }
+
+- spin_lock(&s->lock);
++ spin_lock_irqsave(&s->lock, flags);
+ if (!list_empty(&s->valid_paths)) {
+ pi = list_entry(s->valid_paths.next, struct path_info, list);
+ list_move_tail(&pi->list, &s->valid_paths);
+- percpu_counter_set(&s->repeat_count, pi->repeat_count);
+- set_percpu_current_path(s, pi->path);
+- current_path = pi->path;
+ }
+ spin_unlock_irqrestore(&s->lock, flags);
+
+- return current_path;
++ return pi ? pi->path : NULL;
+ }
+
+ static struct path_selector_type rr_ps = {
+diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
+index 38b05f23b96c..0250e7e521ab 100644
+--- a/drivers/md/dm-stats.c
++++ b/drivers/md/dm-stats.c
+@@ -175,6 +175,7 @@ static void dm_stat_free(struct rcu_head *head)
+ int cpu;
+ struct dm_stat *s = container_of(head, struct dm_stat, rcu_head);
+
++ kfree(s->histogram_boundaries);
+ kfree(s->program_id);
+ kfree(s->aux_data);
+ for_each_possible_cpu(cpu) {
+diff --git a/drivers/md/linear.c b/drivers/md/linear.c
+index 86f5d435901d..b0c0aef92a37 100644
+--- a/drivers/md/linear.c
++++ b/drivers/md/linear.c
+@@ -52,18 +52,26 @@ static inline struct dev_info *which_dev(struct mddev *mddev, sector_t sector)
+ return conf->disks + lo;
+ }
+
++/*
++ * In linear_congested() conf->raid_disks is used as a copy of
++ * mddev->raid_disks to iterate conf->disks[], because conf->raid_disks
++ * and conf->disks[] are created in linear_conf(), they are always
++ * consitent with each other, but mddev->raid_disks does not.
++ */
+ static int linear_congested(struct mddev *mddev, int bits)
+ {
+ struct linear_conf *conf;
+ int i, ret = 0;
+
+- conf = mddev->private;
++ rcu_read_lock();
++ conf = rcu_dereference(mddev->private);
+
+- for (i = 0; i < mddev->raid_disks && !ret ; i++) {
++ for (i = 0; i < conf->raid_disks && !ret ; i++) {
+ struct request_queue *q = bdev_get_queue(conf->disks[i].rdev->bdev);
+ ret |= bdi_congested(&q->backing_dev_info, bits);
+ }
+
++ rcu_read_unlock();
+ return ret;
+ }
+
+@@ -143,6 +151,19 @@ static struct linear_conf *linear_conf(struct mddev *mddev, int raid_disks)
+ conf->disks[i-1].end_sector +
+ conf->disks[i].rdev->sectors;
+
++ /*
++ * conf->raid_disks is copy of mddev->raid_disks. The reason to
++ * keep a copy of mddev->raid_disks in struct linear_conf is,
++ * mddev->raid_disks may not be consistent with pointers number of
++ * conf->disks[] when it is updated in linear_add() and used to
++ * iterate old conf->disks[] earray in linear_congested().
++ * Here conf->raid_disks is always consitent with number of
++ * pointers in conf->disks[] array, and mddev->private is updated
++ * with rcu_assign_pointer() in linear_addr(), such race can be
++ * avoided.
++ */
++ conf->raid_disks = raid_disks;
++
+ return conf;
+
+ out:
+@@ -195,15 +216,23 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
+ if (!newconf)
+ return -ENOMEM;
+
++ /* newconf->raid_disks already keeps a copy of * the increased
++ * value of mddev->raid_disks, WARN_ONCE() is just used to make
++ * sure of this. It is possible that oldconf is still referenced
++ * in linear_congested(), therefore kfree_rcu() is used to free
++ * oldconf until no one uses it anymore.
++ */
+ mddev_suspend(mddev);
+- oldconf = mddev->private;
++ oldconf = rcu_dereference(mddev->private);
+ mddev->raid_disks++;
+- mddev->private = newconf;
++ WARN_ONCE(mddev->raid_disks != newconf->raid_disks,
++ "copied raid_disks doesn't match mddev->raid_disks");
++ rcu_assign_pointer(mddev->private, newconf);
+ md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
+ set_capacity(mddev->gendisk, mddev->array_sectors);
+ mddev_resume(mddev);
+ revalidate_disk(mddev->gendisk);
+- kfree(oldconf);
++ kfree_rcu(oldconf, rcu);
+ return 0;
+ }
+
+diff --git a/drivers/md/linear.h b/drivers/md/linear.h
+index b685ddd7d7f7..8d392e6098b3 100644
+--- a/drivers/md/linear.h
++++ b/drivers/md/linear.h
+@@ -10,6 +10,7 @@ struct linear_conf
+ {
+ struct rcu_head rcu;
+ sector_t array_sectors;
++ int raid_disks; /* a copy of mddev->raid_disks */
+ struct dev_info disks[0];
+ };
+ #endif
+diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c
+index 95267c6edb3a..f6ebbb47b9b2 100644
+--- a/drivers/media/dvb-frontends/cxd2820r_core.c
++++ b/drivers/media/dvb-frontends/cxd2820r_core.c
+@@ -615,6 +615,7 @@ static int cxd2820r_probe(struct i2c_client *client,
+ }
+
+ priv->client[0] = client;
++ priv->fe.demodulator_priv = priv;
+ priv->i2c = client->adapter;
+ priv->ts_mode = pdata->ts_mode;
+ priv->ts_clk_inv = pdata->ts_clk_inv;
+@@ -697,7 +698,6 @@ static int cxd2820r_probe(struct i2c_client *client,
+ memcpy(&priv->fe.ops, &cxd2820r_ops, sizeof(priv->fe.ops));
+ if (!pdata->attach_in_use)
+ priv->fe.ops.release = NULL;
+- priv->fe.demodulator_priv = priv;
+ i2c_set_clientdata(client, priv);
+
+ /* Setup callbacks */
+diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
+index 2783531f9fc0..4462d8c69d57 100644
+--- a/drivers/media/media-device.c
++++ b/drivers/media/media-device.c
+@@ -130,7 +130,7 @@ static long media_device_enum_entities(struct media_device *mdev,
+ * old range.
+ */
+ if (ent->function < MEDIA_ENT_F_OLD_BASE ||
+- ent->function > MEDIA_ENT_T_DEVNODE_UNKNOWN) {
++ ent->function > MEDIA_ENT_F_TUNER) {
+ if (is_media_entity_v4l2_subdev(ent))
+ entd->type = MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN;
+ else if (ent->function != MEDIA_ENT_F_IO_V4L)
+diff --git a/drivers/media/pci/dm1105/Kconfig b/drivers/media/pci/dm1105/Kconfig
+index 173daf0c0847..14fa7e40f2a6 100644
+--- a/drivers/media/pci/dm1105/Kconfig
++++ b/drivers/media/pci/dm1105/Kconfig
+@@ -1,6 +1,6 @@
+ config DVB_DM1105
+ tristate "SDMC DM1105 based PCI cards"
+- depends on DVB_CORE && PCI && I2C
++ depends on DVB_CORE && PCI && I2C && I2C_ALGOBIT
+ select DVB_PLL if MEDIA_SUBDRV_AUTOSELECT
+ select DVB_STV0299 if MEDIA_SUBDRV_AUTOSELECT
+ select DVB_STV0288 if MEDIA_SUBDRV_AUTOSELECT
+diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
+index b33b9e35e60e..05489a401c5c 100644
+--- a/drivers/media/platform/am437x/am437x-vpfe.c
++++ b/drivers/media/platform/am437x/am437x-vpfe.c
+@@ -1576,7 +1576,7 @@ static int vpfe_s_fmt(struct file *file, void *priv,
+ return -EBUSY;
+ }
+
+- ret = vpfe_try_fmt(file, priv, &format);
++ ret = __vpfe_get_format(vpfe, &format, &bpp);
+ if (ret)
+ return ret;
+
+diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
+index 91f9bb87ce68..6ebe89551961 100644
+--- a/drivers/media/rc/lirc_dev.c
++++ b/drivers/media/rc/lirc_dev.c
+@@ -589,7 +589,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ result = put_user(ir->d.features, (__u32 __user *)arg);
+ break;
+ case LIRC_GET_REC_MODE:
+- if (LIRC_CAN_REC(ir->d.features)) {
++ if (!LIRC_CAN_REC(ir->d.features)) {
+ result = -ENOTTY;
+ break;
+ }
+@@ -599,7 +599,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ (__u32 __user *)arg);
+ break;
+ case LIRC_SET_REC_MODE:
+- if (LIRC_CAN_REC(ir->d.features)) {
++ if (!LIRC_CAN_REC(ir->d.features)) {
+ result = -ENOTTY;
+ break;
+ }
+diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
+index 77edd206d345..40e5a6b54955 100644
+--- a/drivers/media/usb/uvc/uvc_queue.c
++++ b/drivers/media/usb/uvc/uvc_queue.c
+@@ -412,7 +412,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
+ nextbuf = NULL;
+ spin_unlock_irqrestore(&queue->irqlock, flags);
+
+- buf->state = buf->error ? VB2_BUF_STATE_ERROR : UVC_BUF_STATE_DONE;
++ buf->state = buf->error ? UVC_BUF_STATE_ERROR : UVC_BUF_STATE_DONE;
+ vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
+ vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
+
+diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
+index fa50635512e8..41f318631c6d 100644
+--- a/drivers/misc/mei/main.c
++++ b/drivers/misc/mei/main.c
+@@ -182,32 +182,36 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
+ goto out;
+ }
+
+- if (rets == -EBUSY &&
+- !mei_cl_enqueue_ctrl_wr_cb(cl, length, MEI_FOP_READ, file)) {
+- rets = -ENOMEM;
+- goto out;
+- }
+
+- do {
+- mutex_unlock(&dev->device_lock);
+-
+- if (wait_event_interruptible(cl->rx_wait,
+- (!list_empty(&cl->rd_completed)) ||
+- (!mei_cl_is_connected(cl)))) {
++again:
++ mutex_unlock(&dev->device_lock);
++ if (wait_event_interruptible(cl->rx_wait,
++ !list_empty(&cl->rd_completed) ||
++ !mei_cl_is_connected(cl))) {
++ if (signal_pending(current))
++ return -EINTR;
++ return -ERESTARTSYS;
++ }
++ mutex_lock(&dev->device_lock);
+
+- if (signal_pending(current))
+- return -EINTR;
+- return -ERESTARTSYS;
+- }
++ if (!mei_cl_is_connected(cl)) {
++ rets = -ENODEV;
++ goto out;
++ }
+
+- mutex_lock(&dev->device_lock);
+- if (!mei_cl_is_connected(cl)) {
+- rets = -ENODEV;
+- goto out;
+- }
++ cb = mei_cl_read_cb(cl, file);
++ if (!cb) {
++ /*
++ * For amthif all the waiters are woken up,
++ * but only fp with matching cb->fp get the cb,
++ * the others have to return to wait on read.
++ */
++ if (cl == &dev->iamthif_cl)
++ goto again;
+
+- cb = mei_cl_read_cb(cl, file);
+- } while (!cb);
++ rets = 0;
++ goto out;
++ }
+
+ copy_buffer:
+ /* now copy the data to user space */
+diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
+index fddd0be196f4..80918abfc468 100644
+--- a/drivers/mmc/host/sdhci-acpi.c
++++ b/drivers/mmc/host/sdhci-acpi.c
+@@ -466,7 +466,10 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
+ if (sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD)) {
+ bool v = sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD_OVERRIDE_LEVEL);
+
+- if (mmc_gpiod_request_cd(host->mmc, NULL, 0, v, 0, NULL)) {
++ err = mmc_gpiod_request_cd(host->mmc, NULL, 0, v, 0, NULL);
++ if (err) {
++ if (err == -EPROBE_DEFER)
++ goto err_free;
+ dev_warn(dev, "failed to setup card detect gpio\n");
+ c->use_runtime_pm = false;
+ }
+diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
+index 0a177b1bfe3e..d1570f512f0b 100644
+--- a/drivers/mtd/nand/fsl_ifc_nand.c
++++ b/drivers/mtd/nand/fsl_ifc_nand.c
+@@ -258,9 +258,15 @@ static void fsl_ifc_run_command(struct mtd_info *mtd)
+ int bufnum = nctrl->page & priv->bufnum_mask;
+ int sector = bufnum * chip->ecc.steps;
+ int sector_end = sector + chip->ecc.steps - 1;
++ __be32 *eccstat_regs;
++
++ if (ctrl->version >= FSL_IFC_VERSION_2_0_0)
++ eccstat_regs = ifc->ifc_nand.v2_nand_eccstat;
++ else
++ eccstat_regs = ifc->ifc_nand.v1_nand_eccstat;
+
+ for (i = sector / 4; i <= sector_end / 4; i++)
+- eccstat[i] = ifc_in32(&ifc->ifc_nand.nand_eccstat[i]);
++ eccstat[i] = ifc_in32(&eccstat_regs[i]);
+
+ for (i = sector; i <= sector_end; i++) {
+ errors = check_read_ecc(mtd, ctrl, eccstat, i);
+diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
+index 77e3cc06a30c..a0dabd4038ba 100644
+--- a/drivers/net/can/usb/gs_usb.c
++++ b/drivers/net/can/usb/gs_usb.c
+@@ -908,10 +908,14 @@ static int gs_usb_probe(struct usb_interface *intf,
+ struct gs_usb *dev;
+ int rc = -ENOMEM;
+ unsigned int icount, i;
+- struct gs_host_config hconf = {
+- .byte_order = 0x0000beef,
+- };
+- struct gs_device_config dconf;
++ struct gs_host_config *hconf;
++ struct gs_device_config *dconf;
++
++ hconf = kmalloc(sizeof(*hconf), GFP_KERNEL);
++ if (!hconf)
++ return -ENOMEM;
++
++ hconf->byte_order = 0x0000beef;
+
+ /* send host config */
+ rc = usb_control_msg(interface_to_usbdev(intf),
+@@ -920,16 +924,22 @@ static int gs_usb_probe(struct usb_interface *intf,
+ USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
+ 1,
+ intf->altsetting[0].desc.bInterfaceNumber,
+- &hconf,
+- sizeof(hconf),
++ hconf,
++ sizeof(*hconf),
+ 1000);
+
++ kfree(hconf);
++
+ if (rc < 0) {
+ dev_err(&intf->dev, "Couldn't send data format (err=%d)\n",
+ rc);
+ return rc;
+ }
+
++ dconf = kmalloc(sizeof(*dconf), GFP_KERNEL);
++ if (!dconf)
++ return -ENOMEM;
++
+ /* read device config */
+ rc = usb_control_msg(interface_to_usbdev(intf),
+ usb_rcvctrlpipe(interface_to_usbdev(intf), 0),
+@@ -937,28 +947,33 @@ static int gs_usb_probe(struct usb_interface *intf,
+ USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
+ 1,
+ intf->altsetting[0].desc.bInterfaceNumber,
+- &dconf,
+- sizeof(dconf),
++ dconf,
++ sizeof(*dconf),
+ 1000);
+ if (rc < 0) {
+ dev_err(&intf->dev, "Couldn't get device config: (err=%d)\n",
+ rc);
++ kfree(dconf);
+ return rc;
+ }
+
+- icount = dconf.icount + 1;
++ icount = dconf->icount + 1;
+ dev_info(&intf->dev, "Configuring for %d interfaces\n", icount);
+
+ if (icount > GS_MAX_INTF) {
+ dev_err(&intf->dev,
+ "Driver cannot handle more that %d CAN interfaces\n",
+ GS_MAX_INTF);
++ kfree(dconf);
+ return -EINVAL;
+ }
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+- if (!dev)
++ if (!dev) {
++ kfree(dconf);
+ return -ENOMEM;
++ }
++
+ init_usb_anchor(&dev->rx_submitted);
+
+ atomic_set(&dev->active_channels, 0);
+@@ -967,7 +982,7 @@ static int gs_usb_probe(struct usb_interface *intf,
+ dev->udev = interface_to_usbdev(intf);
+
+ for (i = 0; i < icount; i++) {
+- dev->canch[i] = gs_make_candev(i, intf, &dconf);
++ dev->canch[i] = gs_make_candev(i, intf, dconf);
+ if (IS_ERR_OR_NULL(dev->canch[i])) {
+ /* save error code to return later */
+ rc = PTR_ERR(dev->canch[i]);
+@@ -978,12 +993,15 @@ static int gs_usb_probe(struct usb_interface *intf,
+ gs_destroy_candev(dev->canch[i]);
+
+ usb_kill_anchored_urbs(&dev->rx_submitted);
++ kfree(dconf);
+ kfree(dev);
+ return rc;
+ }
+ dev->canch[i]->parent = dev;
+ }
+
++ kfree(dconf);
++
+ return 0;
+ }
+
+diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c
+index 108a30e15097..d000cb62d6ae 100644
+--- a/drivers/net/can/usb/usb_8dev.c
++++ b/drivers/net/can/usb/usb_8dev.c
+@@ -951,8 +951,8 @@ static int usb_8dev_probe(struct usb_interface *intf,
+ for (i = 0; i < MAX_TX_URBS; i++)
+ priv->tx_contexts[i].echo_index = MAX_TX_URBS;
+
+- priv->cmd_msg_buffer = kzalloc(sizeof(struct usb_8dev_cmd_msg),
+- GFP_KERNEL);
++ priv->cmd_msg_buffer = devm_kzalloc(&intf->dev, sizeof(struct usb_8dev_cmd_msg),
++ GFP_KERNEL);
+ if (!priv->cmd_msg_buffer)
+ goto cleanup_candev;
+
+@@ -966,7 +966,7 @@ static int usb_8dev_probe(struct usb_interface *intf,
+ if (err) {
+ netdev_err(netdev,
+ "couldn't register CAN device: %d\n", err);
+- goto cleanup_cmd_msg_buffer;
++ goto cleanup_candev;
+ }
+
+ err = usb_8dev_cmd_version(priv, &version);
+@@ -987,9 +987,6 @@ static int usb_8dev_probe(struct usb_interface *intf,
+ cleanup_unregister_candev:
+ unregister_netdev(priv->netdev);
+
+-cleanup_cmd_msg_buffer:
+- kfree(priv->cmd_msg_buffer);
+-
+ cleanup_candev:
+ free_candev(netdev);
+
+diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
+index 0c4532227f25..972b5e224d5d 100644
+--- a/drivers/net/wireless/ath/ath10k/core.c
++++ b/drivers/net/wireless/ath/ath10k/core.c
+@@ -1901,7 +1901,8 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
+ ar->hw->wiphy->fw_version);
+
+- if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map)) {
++ if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
++ mode == ATH10K_FIRMWARE_MODE_NORMAL) {
+ val = 0;
+ if (ath10k_peer_stats_enabled(ar))
+ val = WMI_10_4_PEER_STATS;
+@@ -1954,10 +1955,13 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
+ * possible to implicitly make it correct by creating a dummy vdev and
+ * then deleting it.
+ */
+- status = ath10k_core_reset_rx_filter(ar);
+- if (status) {
+- ath10k_err(ar, "failed to reset rx filter: %d\n", status);
+- goto err_hif_stop;
++ if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
++ status = ath10k_core_reset_rx_filter(ar);
++ if (status) {
++ ath10k_err(ar,
++ "failed to reset rx filter: %d\n", status);
++ goto err_hif_stop;
++ }
+ }
+
+ /* If firmware indicates Full Rx Reorder support it must be used in a
+diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+index dc44cfef7517..16e052d02c94 100644
+--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
++++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+@@ -502,8 +502,7 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ break;
+ return -EOPNOTSUPP;
+ default:
+- WARN_ON(1);
+- return -EINVAL;
++ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&ah->lock);
+diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+index 107bcfbbe0fb..cb37bf01920e 100644
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+@@ -73,13 +73,13 @@
+ #define AR9300_OTP_BASE \
+ ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30000 : 0x14000)
+ #define AR9300_OTP_STATUS \
+- ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30018 : 0x15f18)
++ ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x31018 : 0x15f18)
+ #define AR9300_OTP_STATUS_TYPE 0x7
+ #define AR9300_OTP_STATUS_VALID 0x4
+ #define AR9300_OTP_STATUS_ACCESS_BUSY 0x2
+ #define AR9300_OTP_STATUS_SM_BUSY 0x1
+ #define AR9300_OTP_READ_DATA \
+- ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x3001c : 0x15f1c)
++ ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x3101c : 0x15f1c)
+
+ enum targetPowerHTRates {
+ HT_TARGET_RATE_0_8_16,
+diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
+index 26fc8ecfe8c4..a7316710a902 100644
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -959,6 +959,7 @@ struct ath_softc {
+ struct survey_info *cur_survey;
+ struct survey_info survey[ATH9K_NUM_CHANNELS];
+
++ spinlock_t intr_lock;
+ struct tasklet_struct intr_tq;
+ struct tasklet_struct bcon_tasklet;
+ struct ath_hw *sc_ah;
+diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
+index cfa3fe82ade3..297d4bbc5c05 100644
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -626,6 +626,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
+ common->bt_ant_diversity = 1;
+
+ spin_lock_init(&common->cc_lock);
++ spin_lock_init(&sc->intr_lock);
+ spin_lock_init(&sc->sc_serial_rw);
+ spin_lock_init(&sc->sc_pm_lock);
+ spin_lock_init(&sc->chan_lock);
+diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
+index bba85d1a6cd1..d937c39b3a0b 100644
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -805,21 +805,12 @@ void ath9k_hw_disable_interrupts(struct ath_hw *ah)
+ }
+ EXPORT_SYMBOL(ath9k_hw_disable_interrupts);
+
+-void ath9k_hw_enable_interrupts(struct ath_hw *ah)
++static void __ath9k_hw_enable_interrupts(struct ath_hw *ah)
+ {
+ struct ath_common *common = ath9k_hw_common(ah);
+ u32 sync_default = AR_INTR_SYNC_DEFAULT;
+ u32 async_mask;
+
+- if (!(ah->imask & ATH9K_INT_GLOBAL))
+- return;
+-
+- if (!atomic_inc_and_test(&ah->intr_ref_cnt)) {
+- ath_dbg(common, INTERRUPT, "Do not enable IER ref count %d\n",
+- atomic_read(&ah->intr_ref_cnt));
+- return;
+- }
+-
+ if (AR_SREV_9340(ah) || AR_SREV_9550(ah) || AR_SREV_9531(ah) ||
+ AR_SREV_9561(ah))
+ sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;
+@@ -841,6 +832,39 @@ void ath9k_hw_enable_interrupts(struct ath_hw *ah)
+ ath_dbg(common, INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
+ REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
+ }
++
++void ath9k_hw_resume_interrupts(struct ath_hw *ah)
++{
++ struct ath_common *common = ath9k_hw_common(ah);
++
++ if (!(ah->imask & ATH9K_INT_GLOBAL))
++ return;
++
++ if (atomic_read(&ah->intr_ref_cnt) != 0) {
++ ath_dbg(common, INTERRUPT, "Do not enable IER ref count %d\n",
++ atomic_read(&ah->intr_ref_cnt));
++ return;
++ }
++
++ __ath9k_hw_enable_interrupts(ah);
++}
++EXPORT_SYMBOL(ath9k_hw_resume_interrupts);
++
++void ath9k_hw_enable_interrupts(struct ath_hw *ah)
++{
++ struct ath_common *common = ath9k_hw_common(ah);
++
++ if (!(ah->imask & ATH9K_INT_GLOBAL))
++ return;
++
++ if (!atomic_inc_and_test(&ah->intr_ref_cnt)) {
++ ath_dbg(common, INTERRUPT, "Do not enable IER ref count %d\n",
++ atomic_read(&ah->intr_ref_cnt));
++ return;
++ }
++
++ __ath9k_hw_enable_interrupts(ah);
++}
+ EXPORT_SYMBOL(ath9k_hw_enable_interrupts);
+
+ void ath9k_hw_set_interrupts(struct ath_hw *ah)
+diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
+index 3bab01435a86..770fc11b41d1 100644
+--- a/drivers/net/wireless/ath/ath9k/mac.h
++++ b/drivers/net/wireless/ath/ath9k/mac.h
+@@ -744,6 +744,7 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah);
+ void ath9k_hw_enable_interrupts(struct ath_hw *ah);
+ void ath9k_hw_disable_interrupts(struct ath_hw *ah);
+ void ath9k_hw_kill_interrupts(struct ath_hw *ah);
++void ath9k_hw_resume_interrupts(struct ath_hw *ah);
+
+ void ar9002_hw_attach_mac_ops(struct ath_hw *ah);
+
+diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
+index e9f32b52fc8c..b868f02ced89 100644
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -373,21 +373,20 @@ void ath9k_tasklet(unsigned long data)
+ struct ath_common *common = ath9k_hw_common(ah);
+ enum ath_reset_type type;
+ unsigned long flags;
+- u32 status = sc->intrstatus;
++ u32 status;
+ u32 rxmask;
+
++ spin_lock_irqsave(&sc->intr_lock, flags);
++ status = sc->intrstatus;
++ sc->intrstatus = 0;
++ spin_unlock_irqrestore(&sc->intr_lock, flags);
++
+ ath9k_ps_wakeup(sc);
+ spin_lock(&sc->sc_pcu_lock);
+
+ if (status & ATH9K_INT_FATAL) {
+ type = RESET_TYPE_FATAL_INT;
+ ath9k_queue_reset(sc, type);
+-
+- /*
+- * Increment the ref. counter here so that
+- * interrupts are enabled in the reset routine.
+- */
+- atomic_inc(&ah->intr_ref_cnt);
+ ath_dbg(common, RESET, "FATAL: Skipping interrupts\n");
+ goto out;
+ }
+@@ -403,11 +402,6 @@ void ath9k_tasklet(unsigned long data)
+ type = RESET_TYPE_BB_WATCHDOG;
+ ath9k_queue_reset(sc, type);
+
+- /*
+- * Increment the ref. counter here so that
+- * interrupts are enabled in the reset routine.
+- */
+- atomic_inc(&ah->intr_ref_cnt);
+ ath_dbg(common, RESET,
+ "BB_WATCHDOG: Skipping interrupts\n");
+ goto out;
+@@ -420,7 +414,6 @@ void ath9k_tasklet(unsigned long data)
+ if ((sc->gtt_cnt >= MAX_GTT_CNT) && !ath9k_hw_check_alive(ah)) {
+ type = RESET_TYPE_TX_GTT;
+ ath9k_queue_reset(sc, type);
+- atomic_inc(&ah->intr_ref_cnt);
+ ath_dbg(common, RESET,
+ "GTT: Skipping interrupts\n");
+ goto out;
+@@ -477,7 +470,7 @@ void ath9k_tasklet(unsigned long data)
+ ath9k_btcoex_handle_interrupt(sc, status);
+
+ /* re-enable hardware interrupt */
+- ath9k_hw_enable_interrupts(ah);
++ ath9k_hw_resume_interrupts(ah);
+ out:
+ spin_unlock(&sc->sc_pcu_lock);
+ ath9k_ps_restore(sc);
+@@ -541,7 +534,9 @@ irqreturn_t ath_isr(int irq, void *dev)
+ return IRQ_NONE;
+
+ /* Cache the status */
+- sc->intrstatus = status;
++ spin_lock(&sc->intr_lock);
++ sc->intrstatus |= status;
++ spin_unlock(&sc->intr_lock);
+
+ if (status & SCHED_INTR)
+ sched = true;
+@@ -587,7 +582,7 @@ irqreturn_t ath_isr(int irq, void *dev)
+
+ if (sched) {
+ /* turn off every interrupt */
+- ath9k_hw_disable_interrupts(ah);
++ ath9k_hw_kill_interrupts(ah);
+ tasklet_schedule(&sc->intr_tq);
+ }
+
+diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.h b/drivers/net/wireless/realtek/rtlwifi/pci.h
+index b951ebac15ea..d2f4dd470fdb 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/pci.h
++++ b/drivers/net/wireless/realtek/rtlwifi/pci.h
+@@ -275,10 +275,10 @@ struct mp_adapter {
+ };
+
+ struct rtl_pci_priv {
++ struct bt_coexist_info bt_coexist;
++ struct rtl_led_ctl ledctl;
+ struct rtl_pci dev;
+ struct mp_adapter ndis_adapter;
+- struct rtl_led_ctl ledctl;
+- struct bt_coexist_info bt_coexist;
+ };
+
+ #define rtl_pcipriv(hw) (((struct rtl_pci_priv *)(rtl_priv(hw))->priv))
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/hw.c
+index ebf663e1a81a..cab4601eba8e 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/hw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/hw.c
+@@ -1006,7 +1006,7 @@ static void _rtl92ee_hw_configure(struct ieee80211_hw *hw)
+ rtl_write_word(rtlpriv, REG_SIFS_TRX, 0x100a);
+
+ /* Note Data sheet don't define */
+- rtl_write_word(rtlpriv, 0x4C7, 0x80);
++ rtl_write_byte(rtlpriv, 0x4C7, 0x80);
+
+ rtl_write_byte(rtlpriv, REG_RX_PKT_LIMIT, 0x20);
+
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
+index 1281ebe0c30a..2cbef9647acc 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
+@@ -1128,7 +1128,7 @@ static u8 _rtl8821ae_dbi_read(struct rtl_priv *rtlpriv, u16 addr)
+ }
+ if (0 == tmp) {
+ read_addr = REG_DBI_RDATA + addr % 4;
+- ret = rtl_read_word(rtlpriv, read_addr);
++ ret = rtl_read_byte(rtlpriv, read_addr);
+ }
+ return ret;
+ }
+diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.h b/drivers/net/wireless/realtek/rtlwifi/usb.h
+index 685273ca9561..441c4412130c 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/usb.h
++++ b/drivers/net/wireless/realtek/rtlwifi/usb.h
+@@ -150,8 +150,9 @@ struct rtl_usb {
+ };
+
+ struct rtl_usb_priv {
+- struct rtl_usb dev;
++ struct bt_coexist_info bt_coexist;
+ struct rtl_led_ctl ledctl;
++ struct rtl_usb dev;
+ };
+
+ #define rtl_usbpriv(hw) (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
+diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
+index 763ff8745828..61fc349c96d4 100644
+--- a/drivers/pci/host/pci-hyperv.c
++++ b/drivers/pci/host/pci-hyperv.c
+@@ -130,7 +130,8 @@ union pci_version {
+ */
+ union win_slot_encoding {
+ struct {
+- u32 func:8;
++ u32 dev:5;
++ u32 func:3;
+ u32 reserved:24;
+ } bits;
+ u32 slot;
+@@ -483,7 +484,8 @@ static u32 devfn_to_wslot(int devfn)
+ union win_slot_encoding wslot;
+
+ wslot.slot = 0;
+- wslot.bits.func = PCI_SLOT(devfn) | (PCI_FUNC(devfn) << 5);
++ wslot.bits.dev = PCI_SLOT(devfn);
++ wslot.bits.func = PCI_FUNC(devfn);
+
+ return wslot.slot;
+ }
+@@ -501,7 +503,7 @@ static int wslot_to_devfn(u32 wslot)
+ union win_slot_encoding slot_no;
+
+ slot_no.slot = wslot;
+- return PCI_DEVFN(0, slot_no.bits.func);
++ return PCI_DEVFN(slot_no.bits.dev, slot_no.bits.func);
+ }
+
+ /*
+diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c
+index b0ac4dfafa0b..f2907e7adb5d 100644
+--- a/drivers/pci/host/pcie-altera.c
++++ b/drivers/pci/host/pcie-altera.c
+@@ -57,10 +57,14 @@
+ #define TLP_WRITE_TAG 0x10
+ #define RP_DEVFN 0
+ #define TLP_REQ_ID(bus, devfn) (((bus) << 8) | (devfn))
+-#define TLP_CFG_DW0(pcie, bus) \
++#define TLP_CFGRD_DW0(pcie, bus) \
+ ((((bus == pcie->root_bus_nr) ? TLP_FMTTYPE_CFGRD0 \
+ : TLP_FMTTYPE_CFGRD1) << 24) | \
+ TLP_PAYLOAD_SIZE)
++#define TLP_CFGWR_DW0(pcie, bus) \
++ ((((bus == pcie->root_bus_nr) ? TLP_FMTTYPE_CFGWR0 \
++ : TLP_FMTTYPE_CFGWR1) << 24) | \
++ TLP_PAYLOAD_SIZE)
+ #define TLP_CFG_DW1(pcie, tag, be) \
+ (((TLP_REQ_ID(pcie->root_bus_nr, RP_DEVFN)) << 16) | (tag << 8) | (be))
+ #define TLP_CFG_DW2(bus, devfn, offset) \
+@@ -222,7 +226,7 @@ static int tlp_cfg_dword_read(struct altera_pcie *pcie, u8 bus, u32 devfn,
+ {
+ u32 headers[TLP_HDR_SIZE];
+
+- headers[0] = TLP_CFG_DW0(pcie, bus);
++ headers[0] = TLP_CFGRD_DW0(pcie, bus);
+ headers[1] = TLP_CFG_DW1(pcie, TLP_READ_TAG, byte_en);
+ headers[2] = TLP_CFG_DW2(bus, devfn, where);
+
+@@ -237,7 +241,7 @@ static int tlp_cfg_dword_write(struct altera_pcie *pcie, u8 bus, u32 devfn,
+ u32 headers[TLP_HDR_SIZE];
+ int ret;
+
+- headers[0] = TLP_CFG_DW0(pcie, bus);
++ headers[0] = TLP_CFGWR_DW0(pcie, bus);
+ headers[1] = TLP_CFG_DW1(pcie, TLP_WRITE_TAG, byte_en);
+ headers[2] = TLP_CFG_DW2(bus, devfn, where);
+
+diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
+index 56efaf72d08e..acb2be0c8c2c 100644
+--- a/drivers/pci/hotplug/pnv_php.c
++++ b/drivers/pci/hotplug/pnv_php.c
+@@ -35,9 +35,11 @@ static void pnv_php_register(struct device_node *dn);
+ static void pnv_php_unregister_one(struct device_node *dn);
+ static void pnv_php_unregister(struct device_node *dn);
+
+-static void pnv_php_disable_irq(struct pnv_php_slot *php_slot)
++static void pnv_php_disable_irq(struct pnv_php_slot *php_slot,
++ bool disable_device)
+ {
+ struct pci_dev *pdev = php_slot->pdev;
++ int irq = php_slot->irq;
+ u16 ctrl;
+
+ if (php_slot->irq > 0) {
+@@ -56,10 +58,14 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot)
+ php_slot->wq = NULL;
+ }
+
+- if (pdev->msix_enabled)
+- pci_disable_msix(pdev);
+- else if (pdev->msi_enabled)
+- pci_disable_msi(pdev);
++ if (disable_device || irq > 0) {
++ if (pdev->msix_enabled)
++ pci_disable_msix(pdev);
++ else if (pdev->msi_enabled)
++ pci_disable_msi(pdev);
++
++ pci_disable_device(pdev);
++ }
+ }
+
+ static void pnv_php_free_slot(struct kref *kref)
+@@ -68,7 +74,7 @@ static void pnv_php_free_slot(struct kref *kref)
+ struct pnv_php_slot, kref);
+
+ WARN_ON(!list_empty(&php_slot->children));
+- pnv_php_disable_irq(php_slot);
++ pnv_php_disable_irq(php_slot, false);
+ kfree(php_slot->name);
+ kfree(php_slot);
+ }
+@@ -759,7 +765,7 @@ static void pnv_php_init_irq(struct pnv_php_slot *php_slot, int irq)
+ php_slot->wq = alloc_workqueue("pciehp-%s", 0, 0, php_slot->name);
+ if (!php_slot->wq) {
+ dev_warn(&pdev->dev, "Cannot alloc workqueue\n");
+- pnv_php_disable_irq(php_slot);
++ pnv_php_disable_irq(php_slot, true);
+ return;
+ }
+
+@@ -772,7 +778,7 @@ static void pnv_php_init_irq(struct pnv_php_slot *php_slot, int irq)
+ ret = request_irq(irq, pnv_php_interrupt, IRQF_SHARED,
+ php_slot->name, php_slot);
+ if (ret) {
+- pnv_php_disable_irq(php_slot);
++ pnv_php_disable_irq(php_slot, true);
+ dev_warn(&pdev->dev, "Error %d enabling IRQ %d\n", ret, irq);
+ return;
+ }
+diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
+index c74c3f67b8da..02e46bbcf45d 100644
+--- a/drivers/power/reset/Kconfig
++++ b/drivers/power/reset/Kconfig
+@@ -32,7 +32,7 @@ config POWER_RESET_AT91_RESET
+
+ config POWER_RESET_AT91_SAMA5D2_SHDWC
+ tristate "Atmel AT91 SAMA5D2-Compatible shutdown controller driver"
+- depends on ARCH_AT91 || COMPILE_TEST
++ depends on ARCH_AT91
+ default SOC_SAMA5
+ help
+ This driver supports the alternate shutdown controller for some Atmel
+diff --git a/drivers/power/reset/at91-poweroff.c b/drivers/power/reset/at91-poweroff.c
+index e9e24df35f26..2579f025b90b 100644
+--- a/drivers/power/reset/at91-poweroff.c
++++ b/drivers/power/reset/at91-poweroff.c
+@@ -14,9 +14,12 @@
+ #include <linux/io.h>
+ #include <linux/module.h>
+ #include <linux/of.h>
++#include <linux/of_address.h>
+ #include <linux/platform_device.h>
+ #include <linux/printk.h>
+
++#include <soc/at91/at91sam9_ddrsdr.h>
++
+ #define AT91_SHDW_CR 0x00 /* Shut Down Control Register */
+ #define AT91_SHDW_SHDW BIT(0) /* Shut Down command */
+ #define AT91_SHDW_KEY (0xa5 << 24) /* KEY Password */
+@@ -50,6 +53,7 @@ static const char *shdwc_wakeup_modes[] = {
+
+ static void __iomem *at91_shdwc_base;
+ static struct clk *sclk;
++static void __iomem *mpddrc_base;
+
+ static void __init at91_wakeup_status(void)
+ {
+@@ -73,6 +77,29 @@ static void at91_poweroff(void)
+ writel(AT91_SHDW_KEY | AT91_SHDW_SHDW, at91_shdwc_base + AT91_SHDW_CR);
+ }
+
++static void at91_lpddr_poweroff(void)
++{
++ asm volatile(
++ /* Align to cache lines */
++ ".balign 32\n\t"
++
++ /* Ensure AT91_SHDW_CR is in the TLB by reading it */
++ " ldr r6, [%2, #" __stringify(AT91_SHDW_CR) "]\n\t"
++
++ /* Power down SDRAM0 */
++ " str %1, [%0, #" __stringify(AT91_DDRSDRC_LPR) "]\n\t"
++ /* Shutdown CPU */
++ " str %3, [%2, #" __stringify(AT91_SHDW_CR) "]\n\t"
++
++ " b .\n\t"
++ :
++ : "r" (mpddrc_base),
++ "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF),
++ "r" (at91_shdwc_base),
++ "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW)
++ : "r0");
++}
++
+ static int at91_poweroff_get_wakeup_mode(struct device_node *np)
+ {
+ const char *pm;
+@@ -124,6 +151,8 @@ static void at91_poweroff_dt_set_wakeup_mode(struct platform_device *pdev)
+ static int __init at91_poweroff_probe(struct platform_device *pdev)
+ {
+ struct resource *res;
++ struct device_node *np;
++ u32 ddr_type;
+ int ret;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+@@ -150,12 +179,30 @@ static int __init at91_poweroff_probe(struct platform_device *pdev)
+
+ pm_power_off = at91_poweroff;
+
++ np = of_find_compatible_node(NULL, NULL, "atmel,sama5d3-ddramc");
++ if (!np)
++ return 0;
++
++ mpddrc_base = of_iomap(np, 0);
++ of_node_put(np);
++
++ if (!mpddrc_base)
++ return 0;
++
++ ddr_type = readl(mpddrc_base + AT91_DDRSDRC_MDR) & AT91_DDRSDRC_MD;
++ if ((ddr_type == AT91_DDRSDRC_MD_LPDDR2) ||
++ (ddr_type == AT91_DDRSDRC_MD_LPDDR3))
++ pm_power_off = at91_lpddr_poweroff;
++ else
++ iounmap(mpddrc_base);
++
+ return 0;
+ }
+
+ static int __exit at91_poweroff_remove(struct platform_device *pdev)
+ {
+- if (pm_power_off == at91_poweroff)
++ if (pm_power_off == at91_poweroff ||
++ pm_power_off == at91_lpddr_poweroff)
+ pm_power_off = NULL;
+
+ clk_disable_unprepare(sclk);
+@@ -163,6 +210,11 @@ static int __exit at91_poweroff_remove(struct platform_device *pdev)
+ return 0;
+ }
+
++static const struct of_device_id at91_ramc_of_match[] = {
++ { .compatible = "atmel,sama5d3-ddramc", },
++ { /* sentinel */ }
++};
++
+ static const struct of_device_id at91_poweroff_of_match[] = {
+ { .compatible = "atmel,at91sam9260-shdwc", },
+ { .compatible = "atmel,at91sam9rl-shdwc", },
+diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
+index 8a5ac9706c9c..90b0b5a70ce5 100644
+--- a/drivers/power/reset/at91-sama5d2_shdwc.c
++++ b/drivers/power/reset/at91-sama5d2_shdwc.c
+@@ -22,9 +22,12 @@
+ #include <linux/io.h>
+ #include <linux/module.h>
+ #include <linux/of.h>
++#include <linux/of_address.h>
+ #include <linux/platform_device.h>
+ #include <linux/printk.h>
+
++#include <soc/at91/at91sam9_ddrsdr.h>
++
+ #define SLOW_CLOCK_FREQ 32768
+
+ #define AT91_SHDW_CR 0x00 /* Shut Down Control Register */
+@@ -75,6 +78,7 @@ struct shdwc {
+ */
+ static struct shdwc *at91_shdwc;
+ static struct clk *sclk;
++static void __iomem *mpddrc_base;
+
+ static const unsigned long long sdwc_dbc_period[] = {
+ 0, 3, 32, 512, 4096, 32768,
+@@ -108,6 +112,29 @@ static void at91_poweroff(void)
+ at91_shdwc->at91_shdwc_base + AT91_SHDW_CR);
+ }
+
++static void at91_lpddr_poweroff(void)
++{
++ asm volatile(
++ /* Align to cache lines */
++ ".balign 32\n\t"
++
++ /* Ensure AT91_SHDW_CR is in the TLB by reading it */
++ " ldr r6, [%2, #" __stringify(AT91_SHDW_CR) "]\n\t"
++
++ /* Power down SDRAM0 */
++ " str %1, [%0, #" __stringify(AT91_DDRSDRC_LPR) "]\n\t"
++ /* Shutdown CPU */
++ " str %3, [%2, #" __stringify(AT91_SHDW_CR) "]\n\t"
++
++ " b .\n\t"
++ :
++ : "r" (mpddrc_base),
++ "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF),
++ "r" (at91_shdwc->at91_shdwc_base),
++ "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW)
++ : "r0");
++}
++
+ static u32 at91_shdwc_debouncer_value(struct platform_device *pdev,
+ u32 in_period_us)
+ {
+@@ -212,6 +239,8 @@ static int __init at91_shdwc_probe(struct platform_device *pdev)
+ {
+ struct resource *res;
+ const struct of_device_id *match;
++ struct device_node *np;
++ u32 ddr_type;
+ int ret;
+
+ if (!pdev->dev.of_node)
+@@ -249,6 +278,23 @@ static int __init at91_shdwc_probe(struct platform_device *pdev)
+
+ pm_power_off = at91_poweroff;
+
++ np = of_find_compatible_node(NULL, NULL, "atmel,sama5d3-ddramc");
++ if (!np)
++ return 0;
++
++ mpddrc_base = of_iomap(np, 0);
++ of_node_put(np);
++
++ if (!mpddrc_base)
++ return 0;
++
++ ddr_type = readl(mpddrc_base + AT91_DDRSDRC_MDR) & AT91_DDRSDRC_MD;
++ if ((ddr_type == AT91_DDRSDRC_MD_LPDDR2) ||
++ (ddr_type == AT91_DDRSDRC_MD_LPDDR3))
++ pm_power_off = at91_lpddr_poweroff;
++ else
++ iounmap(mpddrc_base);
++
+ return 0;
+ }
+
+@@ -256,7 +302,8 @@ static int __exit at91_shdwc_remove(struct platform_device *pdev)
+ {
+ struct shdwc *shdw = platform_get_drvdata(pdev);
+
+- if (pm_power_off == at91_poweroff)
++ if (pm_power_off == at91_poweroff ||
++ pm_power_off == at91_lpddr_poweroff)
+ pm_power_off = NULL;
+
+ /* Reset values to disable wake-up features */
+diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
+index 5c1519b229e0..9faccfceb53c 100644
+--- a/drivers/regulator/core.c
++++ b/drivers/regulator/core.c
+@@ -4357,12 +4357,13 @@ static void regulator_summary_show_subtree(struct seq_file *s,
+ seq_puts(s, "\n");
+
+ list_for_each_entry(consumer, &rdev->consumer_list, list) {
+- if (consumer->dev->class == ®ulator_class)
++ if (consumer->dev && consumer->dev->class == ®ulator_class)
+ continue;
+
+ seq_printf(s, "%*s%-*s ",
+ (level + 1) * 3 + 1, "",
+- 30 - (level + 1) * 3, dev_name(consumer->dev));
++ 30 - (level + 1) * 3,
++ consumer->dev ? dev_name(consumer->dev) : "deviceless");
+
+ switch (rdev->desc->type) {
+ case REGULATOR_VOLTAGE:
+diff --git a/drivers/remoteproc/qcom_mdt_loader.c b/drivers/remoteproc/qcom_mdt_loader.c
+index 114e8e4cef67..04db02d9059d 100644
+--- a/drivers/remoteproc/qcom_mdt_loader.c
++++ b/drivers/remoteproc/qcom_mdt_loader.c
+@@ -115,6 +115,7 @@ int qcom_mdt_load(struct rproc *rproc,
+ const struct elf32_phdr *phdrs;
+ const struct elf32_phdr *phdr;
+ const struct elf32_hdr *ehdr;
++ const struct firmware *seg_fw;
+ size_t fw_name_len;
+ char *fw_name;
+ void *ptr;
+@@ -153,16 +154,16 @@ int qcom_mdt_load(struct rproc *rproc,
+
+ if (phdr->p_filesz) {
+ sprintf(fw_name + fw_name_len - 3, "b%02d", i);
+- ret = request_firmware(&fw, fw_name, &rproc->dev);
++ ret = request_firmware(&seg_fw, fw_name, &rproc->dev);
+ if (ret) {
+ dev_err(&rproc->dev, "failed to load %s\n",
+ fw_name);
+ break;
+ }
+
+- memcpy(ptr, fw->data, fw->size);
++ memcpy(ptr, seg_fw->data, seg_fw->size);
+
+- release_firmware(fw);
++ release_firmware(seg_fw);
+ }
+
+ if (phdr->p_memsz > phdr->p_filesz)
+diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
+index e859d148aba9..0723c97ebea3 100644
+--- a/drivers/rtc/Kconfig
++++ b/drivers/rtc/Kconfig
+@@ -1432,7 +1432,7 @@ config RTC_DRV_SUN4V
+ based RTC on SUN4V systems.
+
+ config RTC_DRV_SUN6I
+- tristate "Allwinner A31 RTC"
++ bool "Allwinner A31 RTC"
+ default MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
+ depends on ARCH_SUNXI
+ help
+diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
+index c169a2cd4727..b0d45d23a11b 100644
+--- a/drivers/rtc/rtc-sun6i.c
++++ b/drivers/rtc/rtc-sun6i.c
+@@ -37,9 +37,11 @@
+
+ /* Control register */
+ #define SUN6I_LOSC_CTRL 0x0000
++#define SUN6I_LOSC_CTRL_KEY (0x16aa << 16)
+ #define SUN6I_LOSC_CTRL_ALM_DHMS_ACC BIT(9)
+ #define SUN6I_LOSC_CTRL_RTC_HMS_ACC BIT(8)
+ #define SUN6I_LOSC_CTRL_RTC_YMD_ACC BIT(7)
++#define SUN6I_LOSC_CTRL_EXT_OSC BIT(0)
+ #define SUN6I_LOSC_CTRL_ACC_MASK GENMASK(9, 7)
+
+ /* RTC */
+@@ -114,13 +116,17 @@ struct sun6i_rtc_dev {
+ void __iomem *base;
+ int irq;
+ unsigned long alarm;
++
++ spinlock_t lock;
+ };
+
+ static irqreturn_t sun6i_rtc_alarmirq(int irq, void *id)
+ {
+ struct sun6i_rtc_dev *chip = (struct sun6i_rtc_dev *) id;
++ irqreturn_t ret = IRQ_NONE;
+ u32 val;
+
++ spin_lock(&chip->lock);
+ val = readl(chip->base + SUN6I_ALRM_IRQ_STA);
+
+ if (val & SUN6I_ALRM_IRQ_STA_CNT_IRQ_PEND) {
+@@ -129,10 +135,11 @@ static irqreturn_t sun6i_rtc_alarmirq(int irq, void *id)
+
+ rtc_update_irq(chip->rtc, 1, RTC_AF | RTC_IRQF);
+
+- return IRQ_HANDLED;
++ ret = IRQ_HANDLED;
+ }
++ spin_unlock(&chip->lock);
+
+- return IRQ_NONE;
++ return ret;
+ }
+
+ static void sun6i_rtc_setaie(int to, struct sun6i_rtc_dev *chip)
+@@ -140,6 +147,7 @@ static void sun6i_rtc_setaie(int to, struct sun6i_rtc_dev *chip)
+ u32 alrm_val = 0;
+ u32 alrm_irq_val = 0;
+ u32 alrm_wake_val = 0;
++ unsigned long flags;
+
+ if (to) {
+ alrm_val = SUN6I_ALRM_EN_CNT_EN;
+@@ -150,9 +158,11 @@ static void sun6i_rtc_setaie(int to, struct sun6i_rtc_dev *chip)
+ chip->base + SUN6I_ALRM_IRQ_STA);
+ }
+
++ spin_lock_irqsave(&chip->lock, flags);
+ writel(alrm_val, chip->base + SUN6I_ALRM_EN);
+ writel(alrm_irq_val, chip->base + SUN6I_ALRM_IRQ_EN);
+ writel(alrm_wake_val, chip->base + SUN6I_ALARM_CONFIG);
++ spin_unlock_irqrestore(&chip->lock, flags);
+ }
+
+ static int sun6i_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
+@@ -191,11 +201,15 @@ static int sun6i_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
+ static int sun6i_rtc_getalarm(struct device *dev, struct rtc_wkalrm *wkalrm)
+ {
+ struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);
++ unsigned long flags;
+ u32 alrm_st;
+ u32 alrm_en;
+
++ spin_lock_irqsave(&chip->lock, flags);
+ alrm_en = readl(chip->base + SUN6I_ALRM_IRQ_EN);
+ alrm_st = readl(chip->base + SUN6I_ALRM_IRQ_STA);
++ spin_unlock_irqrestore(&chip->lock, flags);
++
+ wkalrm->enabled = !!(alrm_en & SUN6I_ALRM_EN_CNT_EN);
+ wkalrm->pending = !!(alrm_st & SUN6I_ALRM_EN_CNT_EN);
+ rtc_time_to_tm(chip->alarm, &wkalrm->time);
+@@ -356,6 +370,7 @@ static int sun6i_rtc_probe(struct platform_device *pdev)
+ chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
++ spin_lock_init(&chip->lock);
+
+ platform_set_drvdata(pdev, chip);
+ chip->dev = &pdev->dev;
+@@ -404,6 +419,10 @@ static int sun6i_rtc_probe(struct platform_device *pdev)
+ /* disable alarm wakeup */
+ writel(0, chip->base + SUN6I_ALARM_CONFIG);
+
++ /* switch to the external, more precise, oscillator */
++ writel(SUN6I_LOSC_CTRL_KEY | SUN6I_LOSC_CTRL_EXT_OSC,
++ chip->base + SUN6I_LOSC_CTRL);
++
+ chip->rtc = rtc_device_register("rtc-sun6i", &pdev->dev,
+ &sun6i_rtc_ops, THIS_MODULE);
+ if (IS_ERR(chip->rtc)) {
+@@ -439,9 +458,4 @@ static struct platform_driver sun6i_rtc_driver = {
+ .of_match_table = sun6i_rtc_dt_ids,
+ },
+ };
+-
+-module_platform_driver(sun6i_rtc_driver);
+-
+-MODULE_DESCRIPTION("sun6i RTC driver");
+-MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
+-MODULE_LICENSE("GPL");
++builtin_platform_driver(sun6i_rtc_driver);
+diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
+index 0c453880f214..7b178d765726 100644
+--- a/drivers/scsi/aacraid/src.c
++++ b/drivers/scsi/aacraid/src.c
+@@ -414,16 +414,23 @@ static int aac_src_check_health(struct aac_dev *dev)
+ u32 status = src_readl(dev, MUnit.OMR);
+
+ /*
++ * Check to see if the board panic'd.
++ */
++ if (unlikely(status & KERNEL_PANIC))
++ goto err_blink;
++
++ /*
+ * Check to see if the board failed any self tests.
+ */
+ if (unlikely(status & SELF_TEST_FAILED))
+- return -1;
++ goto err_out;
+
+ /*
+- * Check to see if the board panic'd.
++ * Check to see if the board failed any self tests.
+ */
+- if (unlikely(status & KERNEL_PANIC))
+- return (status >> 16) & 0xFF;
++ if (unlikely(status & MONITOR_PANIC))
++ goto err_out;
++
+ /*
+ * Wait for the adapter to be up and running.
+ */
+@@ -433,6 +440,12 @@ static int aac_src_check_health(struct aac_dev *dev)
+ * Everything is OK
+ */
+ return 0;
++
++err_out:
++ return -1;
++
++err_blink:
++ return (status > 16) & 0xFF;
+ }
+
+ /**
+diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
+index ee8022737591..55faa94637a9 100644
+--- a/drivers/scsi/lpfc/lpfc_hw4.h
++++ b/drivers/scsi/lpfc/lpfc_hw4.h
+@@ -1185,6 +1185,7 @@ struct lpfc_mbx_wq_create {
+ #define lpfc_mbx_wq_create_page_size_SHIFT 0
+ #define lpfc_mbx_wq_create_page_size_MASK 0x000000FF
+ #define lpfc_mbx_wq_create_page_size_WORD word1
++#define LPFC_WQ_PAGE_SIZE_4096 0x1
+ #define lpfc_mbx_wq_create_wqe_size_SHIFT 8
+ #define lpfc_mbx_wq_create_wqe_size_MASK 0x0000000F
+ #define lpfc_mbx_wq_create_wqe_size_WORD word1
+@@ -1256,6 +1257,7 @@ struct rq_context {
+ #define lpfc_rq_context_page_size_SHIFT 0 /* Version 1 Only */
+ #define lpfc_rq_context_page_size_MASK 0x000000FF
+ #define lpfc_rq_context_page_size_WORD word0
++#define LPFC_RQ_PAGE_SIZE_4096 0x1
+ uint32_t reserved1;
+ uint32_t word2;
+ #define lpfc_rq_context_cq_id_SHIFT 16
+diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
+index f4f77c5b0c83..49b4c798de18 100644
+--- a/drivers/scsi/lpfc/lpfc_sli.c
++++ b/drivers/scsi/lpfc/lpfc_sli.c
+@@ -13678,7 +13678,7 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
+ LPFC_WQ_WQE_SIZE_128);
+ bf_set(lpfc_mbx_wq_create_page_size,
+ &wq_create->u.request_1,
+- (PAGE_SIZE/SLI4_PAGE_SIZE));
++ LPFC_WQ_PAGE_SIZE_4096);
+ page = wq_create->u.request_1.page;
+ break;
+ }
+@@ -13704,8 +13704,9 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
+ LPFC_WQ_WQE_SIZE_128);
+ break;
+ }
+- bf_set(lpfc_mbx_wq_create_page_size, &wq_create->u.request_1,
+- (PAGE_SIZE/SLI4_PAGE_SIZE));
++ bf_set(lpfc_mbx_wq_create_page_size,
++ &wq_create->u.request_1,
++ LPFC_WQ_PAGE_SIZE_4096);
+ page = wq_create->u.request_1.page;
+ break;
+ default:
+@@ -13891,7 +13892,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
+ LPFC_RQE_SIZE_8);
+ bf_set(lpfc_rq_context_page_size,
+ &rq_create->u.request.context,
+- (PAGE_SIZE/SLI4_PAGE_SIZE));
++ LPFC_RQ_PAGE_SIZE_4096);
+ } else {
+ switch (hrq->entry_count) {
+ default:
+diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c
+index b8d3b97b217a..84addee05be6 100644
+--- a/drivers/scsi/scsi_dh.c
++++ b/drivers/scsi/scsi_dh.c
+@@ -219,20 +219,6 @@ int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh)
+ }
+ EXPORT_SYMBOL_GPL(scsi_unregister_device_handler);
+
+-static struct scsi_device *get_sdev_from_queue(struct request_queue *q)
+-{
+- struct scsi_device *sdev;
+- unsigned long flags;
+-
+- spin_lock_irqsave(q->queue_lock, flags);
+- sdev = q->queuedata;
+- if (!sdev || !get_device(&sdev->sdev_gendev))
+- sdev = NULL;
+- spin_unlock_irqrestore(q->queue_lock, flags);
+-
+- return sdev;
+-}
+-
+ /*
+ * scsi_dh_activate - activate the path associated with the scsi_device
+ * corresponding to the given request queue.
+@@ -251,7 +237,7 @@ int scsi_dh_activate(struct request_queue *q, activate_complete fn, void *data)
+ struct scsi_device *sdev;
+ int err = SCSI_DH_NOSYS;
+
+- sdev = get_sdev_from_queue(q);
++ sdev = scsi_device_from_queue(q);
+ if (!sdev) {
+ if (fn)
+ fn(data, err);
+@@ -298,7 +284,7 @@ int scsi_dh_set_params(struct request_queue *q, const char *params)
+ struct scsi_device *sdev;
+ int err = -SCSI_DH_NOSYS;
+
+- sdev = get_sdev_from_queue(q);
++ sdev = scsi_device_from_queue(q);
+ if (!sdev)
+ return err;
+
+@@ -321,7 +307,7 @@ int scsi_dh_attach(struct request_queue *q, const char *name)
+ struct scsi_device_handler *scsi_dh;
+ int err = 0;
+
+- sdev = get_sdev_from_queue(q);
++ sdev = scsi_device_from_queue(q);
+ if (!sdev)
+ return -ENODEV;
+
+@@ -359,7 +345,7 @@ const char *scsi_dh_attached_handler_name(struct request_queue *q, gfp_t gfp)
+ struct scsi_device *sdev;
+ const char *handler_name = NULL;
+
+- sdev = get_sdev_from_queue(q);
++ sdev = scsi_device_from_queue(q);
+ if (!sdev)
+ return NULL;
+
+diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
+index e64eae4392a4..d8099c7cab00 100644
+--- a/drivers/scsi/scsi_lib.c
++++ b/drivers/scsi/scsi_lib.c
+@@ -2127,6 +2127,29 @@ void scsi_mq_destroy_tags(struct Scsi_Host *shost)
+ blk_mq_free_tag_set(&shost->tag_set);
+ }
+
++/**
++ * scsi_device_from_queue - return sdev associated with a request_queue
++ * @q: The request queue to return the sdev from
++ *
++ * Return the sdev associated with a request queue or NULL if the
++ * request_queue does not reference a SCSI device.
++ */
++struct scsi_device *scsi_device_from_queue(struct request_queue *q)
++{
++ struct scsi_device *sdev = NULL;
++
++ if (q->mq_ops) {
++ if (q->mq_ops == &scsi_mq_ops)
++ sdev = q->queuedata;
++ } else if (q->request_fn == scsi_request_fn)
++ sdev = q->queuedata;
++ if (!sdev || !get_device(&sdev->sdev_gendev))
++ sdev = NULL;
++
++ return sdev;
++}
++EXPORT_SYMBOL_GPL(scsi_device_from_queue);
++
+ /*
+ * Function: scsi_block_requests()
+ *
+diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
+index 8ccfc9ea874b..3f218f5cf29b 100644
+--- a/drivers/scsi/storvsc_drv.c
++++ b/drivers/scsi/storvsc_drv.c
+@@ -136,6 +136,8 @@ struct hv_fc_wwn_packet {
+ #define SRB_FLAGS_PORT_DRIVER_RESERVED 0x0F000000
+ #define SRB_FLAGS_CLASS_DRIVER_RESERVED 0xF0000000
+
++#define SP_UNTAGGED ((unsigned char) ~0)
++#define SRB_SIMPLE_TAG_REQUEST 0x20
+
+ /*
+ * Platform neutral description of a scsi request -
+@@ -375,6 +377,7 @@ enum storvsc_request_type {
+ #define SRB_STATUS_SUCCESS 0x01
+ #define SRB_STATUS_ABORTED 0x02
+ #define SRB_STATUS_ERROR 0x04
++#define SRB_STATUS_DATA_OVERRUN 0x12
+
+ #define SRB_STATUS(status) \
+ (status & ~(SRB_STATUS_AUTOSENSE_VALID | SRB_STATUS_QUEUE_FROZEN))
+@@ -889,6 +892,13 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
+ switch (SRB_STATUS(vm_srb->srb_status)) {
+ case SRB_STATUS_ERROR:
+ /*
++ * Let upper layer deal with error when
++ * sense message is present.
++ */
++
++ if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID)
++ break;
++ /*
+ * If there is an error; offline the device since all
+ * error recovery strategies would have already been
+ * deployed on the host side. However, if the command
+@@ -953,6 +963,7 @@ static void storvsc_command_completion(struct storvsc_cmd_request *cmd_request,
+ struct scsi_cmnd *scmnd = cmd_request->cmd;
+ struct scsi_sense_hdr sense_hdr;
+ struct vmscsi_request *vm_srb;
++ u32 data_transfer_length;
+ struct Scsi_Host *host;
+ u32 payload_sz = cmd_request->payload_sz;
+ void *payload = cmd_request->payload;
+@@ -960,6 +971,7 @@ static void storvsc_command_completion(struct storvsc_cmd_request *cmd_request,
+ host = stor_dev->host;
+
+ vm_srb = &cmd_request->vstor_packet.vm_srb;
++ data_transfer_length = vm_srb->data_transfer_length;
+
+ scmnd->result = vm_srb->scsi_status;
+
+@@ -973,13 +985,20 @@ static void storvsc_command_completion(struct storvsc_cmd_request *cmd_request,
+ &sense_hdr);
+ }
+
+- if (vm_srb->srb_status != SRB_STATUS_SUCCESS)
++ if (vm_srb->srb_status != SRB_STATUS_SUCCESS) {
+ storvsc_handle_error(vm_srb, scmnd, host, sense_hdr.asc,
+ sense_hdr.ascq);
++ /*
++ * The Windows driver set data_transfer_length on
++ * SRB_STATUS_DATA_OVERRUN. On other errors, this value
++ * is untouched. In these cases we set it to 0.
++ */
++ if (vm_srb->srb_status != SRB_STATUS_DATA_OVERRUN)
++ data_transfer_length = 0;
++ }
+
+ scsi_set_resid(scmnd,
+- cmd_request->payload->range.len -
+- vm_srb->data_transfer_length);
++ cmd_request->payload->range.len - data_transfer_length);
+
+ scmnd->scsi_done(scmnd);
+
+@@ -1451,6 +1470,13 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
+ vm_srb->win8_extension.srb_flags |=
+ SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
+
++ if (scmnd->device->tagged_supported) {
++ vm_srb->win8_extension.srb_flags |=
++ (SRB_FLAGS_QUEUE_ACTION_ENABLE | SRB_FLAGS_NO_QUEUE_FREEZE);
++ vm_srb->win8_extension.queue_tag = SP_UNTAGGED;
++ vm_srb->win8_extension.queue_action = SRB_SIMPLE_TAG_REQUEST;
++ }
++
+ /* Build the SRB */
+ switch (scmnd->sc_data_direction) {
+ case DMA_TO_DEVICE:
+diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
+index 3c09e94cf827..186342b74141 100644
+--- a/drivers/spi/spi-s3c64xx.c
++++ b/drivers/spi/spi-s3c64xx.c
+@@ -1003,7 +1003,7 @@ static struct s3c64xx_spi_info *s3c64xx_spi_parse_dt(struct device *dev)
+ sci->num_cs = temp;
+ }
+
+- sci->no_cs = of_property_read_bool(dev->of_node, "broken-cs");
++ sci->no_cs = of_property_read_bool(dev->of_node, "no-cs-readback");
+
+ return sci;
+ }
+diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
+index 7882306adeca..29dc249b0c74 100644
+--- a/drivers/staging/greybus/loopback.c
++++ b/drivers/staging/greybus/loopback.c
+@@ -1051,8 +1051,13 @@ static int gb_loopback_fn(void *data)
+ gb_loopback_calculate_stats(gb, !!error);
+ }
+ gb->send_count++;
+- if (us_wait)
+- udelay(us_wait);
++
++ if (us_wait) {
++ if (us_wait < 20000)
++ usleep_range(us_wait, us_wait + 100);
++ else
++ msleep(us_wait / 1000);
++ }
+ }
+
+ gb_pm_runtime_put_autosuspend(bundle);
+diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
+index f5619d8744ef..0256d65dfcd8 100644
+--- a/drivers/staging/lustre/lnet/selftest/rpc.c
++++ b/drivers/staging/lustre/lnet/selftest/rpc.c
+@@ -252,7 +252,7 @@ srpc_service_init(struct srpc_service *svc)
+ svc->sv_shuttingdown = 0;
+
+ svc->sv_cpt_data = cfs_percpt_alloc(lnet_cpt_table(),
+- sizeof(*svc->sv_cpt_data));
++ sizeof(**svc->sv_cpt_data));
+ if (!svc->sv_cpt_data)
+ return -ENOMEM;
+
+diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c
+index b87cbbbee054..b39fd1e9b4a0 100644
+--- a/drivers/staging/rtl8188eu/core/rtw_recv.c
++++ b/drivers/staging/rtl8188eu/core/rtw_recv.c
+@@ -1383,6 +1383,9 @@ static int wlanhdr_to_ethhdr(struct recv_frame *precvframe)
+ ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
+ }
+
++ if (!ptr)
++ return _FAIL;
++
+ memcpy(ptr, pattrib->dst, ETH_ALEN);
+ memcpy(ptr+ETH_ALEN, pattrib->src, ETH_ALEN);
+
+diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c
+index cbd2e51ba42b..cedf25b0b093 100644
+--- a/drivers/staging/rtl8712/rtl871x_recv.c
++++ b/drivers/staging/rtl8712/rtl871x_recv.c
+@@ -643,11 +643,16 @@ sint r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe)
+ /* append rx status for mp test packets */
+ ptr = recvframe_pull(precvframe, (rmv_len -
+ sizeof(struct ethhdr) + 2) - 24);
++ if (!ptr)
++ return _FAIL;
+ memcpy(ptr, get_rxmem(precvframe), 24);
+ ptr += 24;
+- } else
++ } else {
+ ptr = recvframe_pull(precvframe, (rmv_len -
+ sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
++ if (!ptr)
++ return _FAIL;
++ }
+
+ memcpy(ptr, pattrib->dst, ETH_ALEN);
+ memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index d2b860ebfe13..5dc6bfc91f4b 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -1234,6 +1234,9 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
+ unsigned transfer_in_flight;
+ unsigned started;
+
++ if (dep->flags & DWC3_EP_STALL)
++ return 0;
++
+ if (dep->number > 1)
+ trb = dwc3_ep_prev_trb(dep, dep->trb_enqueue);
+ else
+@@ -1258,6 +1261,8 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
+ else
+ dep->flags |= DWC3_EP_STALL;
+ } else {
++ if (!(dep->flags & DWC3_EP_STALL))
++ return 0;
+
+ ret = dwc3_send_clear_stall_ep_cmd(dep);
+ if (ret)
+diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
+index e2966f87c860..b0f71957d00b 100644
+--- a/drivers/usb/gadget/function/f_hid.c
++++ b/drivers/usb/gadget/function/f_hid.c
+@@ -50,12 +50,12 @@ struct f_hidg {
+
+ /* recv report */
+ struct list_head completed_out_req;
+- spinlock_t spinlock;
++ spinlock_t read_spinlock;
+ wait_queue_head_t read_queue;
+ unsigned int qlen;
+
+ /* send report */
+- struct mutex lock;
++ spinlock_t write_spinlock;
+ bool write_pending;
+ wait_queue_head_t write_queue;
+ struct usb_request *req;
+@@ -204,28 +204,35 @@ static ssize_t f_hidg_read(struct file *file, char __user *buffer,
+ if (!access_ok(VERIFY_WRITE, buffer, count))
+ return -EFAULT;
+
+- spin_lock_irqsave(&hidg->spinlock, flags);
++ spin_lock_irqsave(&hidg->read_spinlock, flags);
+
+ #define READ_COND (!list_empty(&hidg->completed_out_req))
+
+ /* wait for at least one buffer to complete */
+ while (!READ_COND) {
+- spin_unlock_irqrestore(&hidg->spinlock, flags);
++ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+ if (file->f_flags & O_NONBLOCK)
+ return -EAGAIN;
+
+ if (wait_event_interruptible(hidg->read_queue, READ_COND))
+ return -ERESTARTSYS;
+
+- spin_lock_irqsave(&hidg->spinlock, flags);
++ spin_lock_irqsave(&hidg->read_spinlock, flags);
+ }
+
+ /* pick the first one */
+ list = list_first_entry(&hidg->completed_out_req,
+ struct f_hidg_req_list, list);
++
++ /*
++ * Remove this from list to protect it from beign free()
++ * while host disables our function
++ */
++ list_del(&list->list);
++
+ req = list->req;
+ count = min_t(unsigned int, count, req->actual - list->pos);
+- spin_unlock_irqrestore(&hidg->spinlock, flags);
++ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+
+ /* copy to user outside spinlock */
+ count -= copy_to_user(buffer, req->buf + list->pos, count);
+@@ -238,15 +245,20 @@ static ssize_t f_hidg_read(struct file *file, char __user *buffer,
+ * call, taking into account its current read position.
+ */
+ if (list->pos == req->actual) {
+- spin_lock_irqsave(&hidg->spinlock, flags);
+- list_del(&list->list);
+ kfree(list);
+- spin_unlock_irqrestore(&hidg->spinlock, flags);
+
+ req->length = hidg->report_length;
+ ret = usb_ep_queue(hidg->out_ep, req, GFP_KERNEL);
+- if (ret < 0)
++ if (ret < 0) {
++ free_ep_req(hidg->out_ep, req);
+ return ret;
++ }
++ } else {
++ spin_lock_irqsave(&hidg->read_spinlock, flags);
++ list_add(&list->list, &hidg->completed_out_req);
++ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
++
++ wake_up(&hidg->read_queue);
+ }
+
+ return count;
+@@ -255,13 +267,16 @@ static ssize_t f_hidg_read(struct file *file, char __user *buffer,
+ static void f_hidg_req_complete(struct usb_ep *ep, struct usb_request *req)
+ {
+ struct f_hidg *hidg = (struct f_hidg *)ep->driver_data;
++ unsigned long flags;
+
+ if (req->status != 0) {
+ ERROR(hidg->func.config->cdev,
+ "End Point Request ERROR: %d\n", req->status);
+ }
+
++ spin_lock_irqsave(&hidg->write_spinlock, flags);
+ hidg->write_pending = 0;
++ spin_unlock_irqrestore(&hidg->write_spinlock, flags);
+ wake_up(&hidg->write_queue);
+ }
+
+@@ -269,18 +284,19 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *offp)
+ {
+ struct f_hidg *hidg = file->private_data;
++ unsigned long flags;
+ ssize_t status = -ENOMEM;
+
+ if (!access_ok(VERIFY_READ, buffer, count))
+ return -EFAULT;
+
+- mutex_lock(&hidg->lock);
++ spin_lock_irqsave(&hidg->write_spinlock, flags);
+
+ #define WRITE_COND (!hidg->write_pending)
+
+ /* write queue */
+ while (!WRITE_COND) {
+- mutex_unlock(&hidg->lock);
++ spin_unlock_irqrestore(&hidg->write_spinlock, flags);
+ if (file->f_flags & O_NONBLOCK)
+ return -EAGAIN;
+
+@@ -288,17 +304,20 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
+ hidg->write_queue, WRITE_COND))
+ return -ERESTARTSYS;
+
+- mutex_lock(&hidg->lock);
++ spin_lock_irqsave(&hidg->write_spinlock, flags);
+ }
+
++ hidg->write_pending = 1;
+ count = min_t(unsigned, count, hidg->report_length);
++
++ spin_unlock_irqrestore(&hidg->write_spinlock, flags);
+ status = copy_from_user(hidg->req->buf, buffer, count);
+
+ if (status != 0) {
+ ERROR(hidg->func.config->cdev,
+ "copy_from_user error\n");
+- mutex_unlock(&hidg->lock);
+- return -EINVAL;
++ status = -EINVAL;
++ goto release_write_pending;
+ }
+
+ hidg->req->status = 0;
+@@ -306,19 +325,23 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
+ hidg->req->length = count;
+ hidg->req->complete = f_hidg_req_complete;
+ hidg->req->context = hidg;
+- hidg->write_pending = 1;
+
+ status = usb_ep_queue(hidg->in_ep, hidg->req, GFP_ATOMIC);
+ if (status < 0) {
+ ERROR(hidg->func.config->cdev,
+ "usb_ep_queue error on int endpoint %zd\n", status);
+- hidg->write_pending = 0;
+- wake_up(&hidg->write_queue);
++ goto release_write_pending;
+ } else {
+ status = count;
+ }
+
+- mutex_unlock(&hidg->lock);
++ return status;
++release_write_pending:
++ spin_lock_irqsave(&hidg->write_spinlock, flags);
++ hidg->write_pending = 0;
++ spin_unlock_irqrestore(&hidg->write_spinlock, flags);
++
++ wake_up(&hidg->write_queue);
+
+ return status;
+ }
+@@ -371,20 +394,36 @@ static inline struct usb_request *hidg_alloc_ep_req(struct usb_ep *ep,
+ static void hidg_set_report_complete(struct usb_ep *ep, struct usb_request *req)
+ {
+ struct f_hidg *hidg = (struct f_hidg *) req->context;
++ struct usb_composite_dev *cdev = hidg->func.config->cdev;
+ struct f_hidg_req_list *req_list;
+ unsigned long flags;
+
+- req_list = kzalloc(sizeof(*req_list), GFP_ATOMIC);
+- if (!req_list)
+- return;
++ switch (req->status) {
++ case 0:
++ req_list = kzalloc(sizeof(*req_list), GFP_ATOMIC);
++ if (!req_list) {
++ ERROR(cdev, "Unable to allocate mem for req_list\n");
++ goto free_req;
++ }
+
+- req_list->req = req;
++ req_list->req = req;
+
+- spin_lock_irqsave(&hidg->spinlock, flags);
+- list_add_tail(&req_list->list, &hidg->completed_out_req);
+- spin_unlock_irqrestore(&hidg->spinlock, flags);
++ spin_lock_irqsave(&hidg->read_spinlock, flags);
++ list_add_tail(&req_list->list, &hidg->completed_out_req);
++ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+
+- wake_up(&hidg->read_queue);
++ wake_up(&hidg->read_queue);
++ break;
++ default:
++ ERROR(cdev, "Set report failed %d\n", req->status);
++ /* FALLTHROUGH */
++ case -ECONNABORTED: /* hardware forced ep reset */
++ case -ECONNRESET: /* request dequeued */
++ case -ESHUTDOWN: /* disconnect from host */
++free_req:
++ free_ep_req(ep, req);
++ return;
++ }
+ }
+
+ static int hidg_setup(struct usb_function *f,
+@@ -490,14 +529,18 @@ static void hidg_disable(struct usb_function *f)
+ {
+ struct f_hidg *hidg = func_to_hidg(f);
+ struct f_hidg_req_list *list, *next;
++ unsigned long flags;
+
+ usb_ep_disable(hidg->in_ep);
+ usb_ep_disable(hidg->out_ep);
+
++ spin_lock_irqsave(&hidg->read_spinlock, flags);
+ list_for_each_entry_safe(list, next, &hidg->completed_out_req, list) {
++ free_ep_req(hidg->out_ep, list->req);
+ list_del(&list->list);
+ kfree(list);
+ }
++ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+ }
+
+ static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+@@ -646,8 +689,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
+ if (status)
+ goto fail;
+
+- mutex_init(&hidg->lock);
+- spin_lock_init(&hidg->spinlock);
++ spin_lock_init(&hidg->write_spinlock);
++ spin_lock_init(&hidg->read_spinlock);
+ init_waitqueue_head(&hidg->write_queue);
+ init_waitqueue_head(&hidg->read_queue);
+ INIT_LIST_HEAD(&hidg->completed_out_req);
+diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
+index 0402177f93cd..d685d82dcf48 100644
+--- a/drivers/usb/gadget/udc/core.c
++++ b/drivers/usb/gadget/udc/core.c
+@@ -1080,6 +1080,24 @@ static void usb_udc_nop_release(struct device *dev)
+ dev_vdbg(dev, "%s\n", __func__);
+ }
+
++/* should be called with udc_lock held */
++static int check_pending_gadget_drivers(struct usb_udc *udc)
++{
++ struct usb_gadget_driver *driver;
++ int ret = 0;
++
++ list_for_each_entry(driver, &gadget_driver_pending_list, pending)
++ if (!driver->udc_name || strcmp(driver->udc_name,
++ dev_name(&udc->dev)) == 0) {
++ ret = udc_bind_to_driver(udc, driver);
++ if (ret != -EPROBE_DEFER)
++ list_del(&driver->pending);
++ break;
++ }
++
++ return ret;
++}
++
+ /**
+ * usb_add_gadget_udc_release - adds a new gadget to the udc class driver list
+ * @parent: the parent device to this udc. Usually the controller driver's
+@@ -1093,7 +1111,6 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget,
+ void (*release)(struct device *dev))
+ {
+ struct usb_udc *udc;
+- struct usb_gadget_driver *driver;
+ int ret = -ENOMEM;
+
+ udc = kzalloc(sizeof(*udc), GFP_KERNEL);
+@@ -1136,17 +1153,9 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget,
+ udc->vbus = true;
+
+ /* pick up one of pending gadget drivers */
+- list_for_each_entry(driver, &gadget_driver_pending_list, pending) {
+- if (!driver->udc_name || strcmp(driver->udc_name,
+- dev_name(&udc->dev)) == 0) {
+- ret = udc_bind_to_driver(udc, driver);
+- if (ret != -EPROBE_DEFER)
+- list_del(&driver->pending);
+- if (ret)
+- goto err5;
+- break;
+- }
+- }
++ ret = check_pending_gadget_drivers(udc);
++ if (ret)
++ goto err5;
+
+ mutex_unlock(&udc_lock);
+
+@@ -1356,14 +1365,22 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+ return -EINVAL;
+
+ mutex_lock(&udc_lock);
+- list_for_each_entry(udc, &udc_list, list)
++ list_for_each_entry(udc, &udc_list, list) {
+ if (udc->driver == driver) {
+ usb_gadget_remove_driver(udc);
+ usb_gadget_set_state(udc->gadget,
+- USB_STATE_NOTATTACHED);
++ USB_STATE_NOTATTACHED);
++
++ /* Maybe there is someone waiting for this UDC? */
++ check_pending_gadget_drivers(udc);
++ /*
++ * For now we ignore bind errors as probably it's
++ * not a valid reason to fail other's gadget unbind
++ */
+ ret = 0;
+ break;
+ }
++ }
+
+ if (ret) {
+ list_del(&driver->pending);
+diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
+index aab5221d6c2e..aac0ce8aeb0b 100644
+--- a/drivers/usb/gadget/udc/fsl_udc_core.c
++++ b/drivers/usb/gadget/udc/fsl_udc_core.c
+@@ -1249,6 +1249,12 @@ static const struct usb_gadget_ops fsl_gadget_ops = {
+ .udc_stop = fsl_udc_stop,
+ };
+
++/*
++ * Empty complete function used by this driver to fill in the req->complete
++ * field when creating a request since the complete field is mandatory.
++ */
++static void fsl_noop_complete(struct usb_ep *ep, struct usb_request *req) { }
++
+ /* Set protocol stall on ep0, protocol stall will automatically be cleared
+ on new transaction */
+ static void ep0stall(struct fsl_udc *udc)
+@@ -1283,7 +1289,7 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
+ req->req.length = 0;
+ req->req.status = -EINPROGRESS;
+ req->req.actual = 0;
+- req->req.complete = NULL;
++ req->req.complete = fsl_noop_complete;
+ req->dtd_count = 0;
+
+ ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep));
+@@ -1366,7 +1372,7 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
+ req->req.length = 2;
+ req->req.status = -EINPROGRESS;
+ req->req.actual = 0;
+- req->req.complete = NULL;
++ req->req.complete = fsl_noop_complete;
+ req->dtd_count = 0;
+
+ ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep));
+diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
+index ed56bf9ed885..abe360684f0b 100644
+--- a/drivers/usb/host/xhci-plat.c
++++ b/drivers/usb/host/xhci-plat.c
+@@ -223,9 +223,6 @@ static int xhci_plat_probe(struct platform_device *pdev)
+ if (device_property_read_bool(&pdev->dev, "usb3-lpm-capable"))
+ xhci->quirks |= XHCI_LPM_SUPPORT;
+
+- if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+- xhci->shared_hcd->can_do_streams = 1;
+-
+ hcd->usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0);
+ if (IS_ERR(hcd->usb_phy)) {
+ ret = PTR_ERR(hcd->usb_phy);
+@@ -242,6 +239,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
+ if (ret)
+ goto disable_usb_phy;
+
++ if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
++ xhci->shared_hcd->can_do_streams = 1;
++
+ ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
+ if (ret)
+ goto dealloc_usb2_hcd;
+diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
+index 2440f88e07a3..bacee0fd4dd3 100644
+--- a/drivers/usb/musb/da8xx.c
++++ b/drivers/usb/musb/da8xx.c
+@@ -434,15 +434,11 @@ static int da8xx_musb_exit(struct musb *musb)
+ }
+
+ static const struct musb_platform_ops da8xx_ops = {
+- .quirks = MUSB_DMA_CPPI | MUSB_INDEXED_EP,
++ .quirks = MUSB_INDEXED_EP,
+ .init = da8xx_musb_init,
+ .exit = da8xx_musb_exit,
+
+ .fifo_mode = 2,
+-#ifdef CONFIG_USB_TI_CPPI_DMA
+- .dma_init = cppi_dma_controller_create,
+- .dma_exit = cppi_dma_controller_destroy,
+-#endif
+ .enable = da8xx_musb_enable,
+ .disable = da8xx_musb_disable,
+
+diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
+index 181793f07852..9d2738e9217f 100644
+--- a/drivers/virtio/virtio_balloon.c
++++ b/drivers/virtio/virtio_balloon.c
+@@ -615,8 +615,12 @@ static void virtballoon_remove(struct virtio_device *vdev)
+ cancel_work_sync(&vb->update_balloon_stats_work);
+
+ remove_common(vb);
++#ifdef CONFIG_BALLOON_COMPACTION
+ if (vb->vb_dev_info.inode)
+ iput(vb->vb_dev_info.inode);
++
++ kern_unmount(balloon_mnt);
++#endif
+ kfree(vb);
+ }
+
+diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c
+index bdbadaa47ef3..0035cf79760a 100644
+--- a/drivers/vme/vme.c
++++ b/drivers/vme/vme.c
+@@ -1625,10 +1625,25 @@ static int vme_bus_probe(struct device *dev)
+ return retval;
+ }
+
++static int vme_bus_remove(struct device *dev)
++{
++ int retval = -ENODEV;
++ struct vme_driver *driver;
++ struct vme_dev *vdev = dev_to_vme_dev(dev);
++
++ driver = dev->platform_data;
++
++ if (driver->remove != NULL)
++ retval = driver->remove(vdev);
++
++ return retval;
++}
++
+ struct bus_type vme_bus_type = {
+ .name = "vme",
+ .match = vme_bus_match,
+ .probe = vme_bus_probe,
++ .remove = vme_bus_remove,
+ };
+ EXPORT_SYMBOL(vme_bus_type);
+
+diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c
+index 049a884a756f..59d74d1b47a8 100644
+--- a/drivers/w1/masters/ds2490.c
++++ b/drivers/w1/masters/ds2490.c
+@@ -153,6 +153,9 @@ struct ds_device
+ */
+ u16 spu_bit;
+
++ u8 st_buf[ST_SIZE];
++ u8 byte_buf;
++
+ struct w1_bus_master master;
+ };
+
+@@ -174,7 +177,6 @@ struct ds_status
+ u8 data_in_buffer_status;
+ u8 reserved1;
+ u8 reserved2;
+-
+ };
+
+ static struct usb_device_id ds_id_table [] = {
+@@ -244,28 +246,6 @@ static int ds_send_control(struct ds_device *dev, u16 value, u16 index)
+ return err;
+ }
+
+-static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st,
+- unsigned char *buf, int size)
+-{
+- int count, err;
+-
+- memset(st, 0, sizeof(*st));
+-
+- count = 0;
+- err = usb_interrupt_msg(dev->udev, usb_rcvintpipe(dev->udev,
+- dev->ep[EP_STATUS]), buf, size, &count, 1000);
+- if (err < 0) {
+- pr_err("Failed to read 1-wire data from 0x%x: err=%d.\n",
+- dev->ep[EP_STATUS], err);
+- return err;
+- }
+-
+- if (count >= sizeof(*st))
+- memcpy(st, buf, sizeof(*st));
+-
+- return count;
+-}
+-
+ static inline void ds_print_msg(unsigned char *buf, unsigned char *str, int off)
+ {
+ pr_info("%45s: %8x\n", str, buf[off]);
+@@ -324,6 +304,35 @@ static void ds_dump_status(struct ds_device *dev, unsigned char *buf, int count)
+ }
+ }
+
++static int ds_recv_status(struct ds_device *dev, struct ds_status *st,
++ bool dump)
++{
++ int count, err;
++
++ if (st)
++ memset(st, 0, sizeof(*st));
++
++ count = 0;
++ err = usb_interrupt_msg(dev->udev,
++ usb_rcvintpipe(dev->udev,
++ dev->ep[EP_STATUS]),
++ dev->st_buf, sizeof(dev->st_buf),
++ &count, 1000);
++ if (err < 0) {
++ pr_err("Failed to read 1-wire data from 0x%x: err=%d.\n",
++ dev->ep[EP_STATUS], err);
++ return err;
++ }
++
++ if (dump)
++ ds_dump_status(dev, dev->st_buf, count);
++
++ if (st && count >= sizeof(*st))
++ memcpy(st, dev->st_buf, sizeof(*st));
++
++ return count;
++}
++
+ static void ds_reset_device(struct ds_device *dev)
+ {
+ ds_send_control_cmd(dev, CTL_RESET_DEVICE, 0);
+@@ -344,7 +353,6 @@ static void ds_reset_device(struct ds_device *dev)
+ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
+ {
+ int count, err;
+- struct ds_status st;
+
+ /* Careful on size. If size is less than what is available in
+ * the input buffer, the device fails the bulk transfer and
+@@ -359,14 +367,9 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
+ err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]),
+ buf, size, &count, 1000);
+ if (err < 0) {
+- u8 buf[ST_SIZE];
+- int count;
+-
+ pr_info("Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]);
+ usb_clear_halt(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]));
+-
+- count = ds_recv_status_nodump(dev, &st, buf, sizeof(buf));
+- ds_dump_status(dev, buf, count);
++ ds_recv_status(dev, NULL, true);
+ return err;
+ }
+
+@@ -404,7 +407,6 @@ int ds_stop_pulse(struct ds_device *dev, int limit)
+ {
+ struct ds_status st;
+ int count = 0, err = 0;
+- u8 buf[ST_SIZE];
+
+ do {
+ err = ds_send_control(dev, CTL_HALT_EXE_IDLE, 0);
+@@ -413,7 +415,7 @@ int ds_stop_pulse(struct ds_device *dev, int limit)
+ err = ds_send_control(dev, CTL_RESUME_EXE, 0);
+ if (err)
+ break;
+- err = ds_recv_status_nodump(dev, &st, buf, sizeof(buf));
++ err = ds_recv_status(dev, &st, false);
+ if (err)
+ break;
+
+@@ -456,18 +458,17 @@ int ds_detect(struct ds_device *dev, struct ds_status *st)
+
+ static int ds_wait_status(struct ds_device *dev, struct ds_status *st)
+ {
+- u8 buf[ST_SIZE];
+ int err, count = 0;
+
+ do {
+ st->status = 0;
+- err = ds_recv_status_nodump(dev, st, buf, sizeof(buf));
++ err = ds_recv_status(dev, st, false);
+ #if 0
+ if (err >= 0) {
+ int i;
+ printk("0x%x: count=%d, status: ", dev->ep[EP_STATUS], err);
+ for (i=0; i<err; ++i)
+- printk("%02x ", buf[i]);
++ printk("%02x ", dev->st_buf[i]);
+ printk("\n");
+ }
+ #endif
+@@ -485,7 +486,7 @@ static int ds_wait_status(struct ds_device *dev, struct ds_status *st)
+ * can do something with it).
+ */
+ if (err > 16 || count >= 100 || err < 0)
+- ds_dump_status(dev, buf, err);
++ ds_dump_status(dev, dev->st_buf, err);
+
+ /* Extended data isn't an error. Well, a short is, but the dump
+ * would have already told the user that and we can't do anything
+@@ -608,7 +609,6 @@ static int ds_write_byte(struct ds_device *dev, u8 byte)
+ {
+ int err;
+ struct ds_status st;
+- u8 rbyte;
+
+ err = ds_send_control(dev, COMM_BYTE_IO | COMM_IM | dev->spu_bit, byte);
+ if (err)
+@@ -621,11 +621,11 @@ static int ds_write_byte(struct ds_device *dev, u8 byte)
+ if (err)
+ return err;
+
+- err = ds_recv_data(dev, &rbyte, sizeof(rbyte));
++ err = ds_recv_data(dev, &dev->byte_buf, 1);
+ if (err < 0)
+ return err;
+
+- return !(byte == rbyte);
++ return !(byte == dev->byte_buf);
+ }
+
+ static int ds_read_byte(struct ds_device *dev, u8 *byte)
+@@ -712,7 +712,6 @@ static void ds9490r_search(void *data, struct w1_master *master,
+ int err;
+ u16 value, index;
+ struct ds_status st;
+- u8 st_buf[ST_SIZE];
+ int search_limit;
+ int found = 0;
+ int i;
+@@ -724,7 +723,12 @@ static void ds9490r_search(void *data, struct w1_master *master,
+ /* FIFO 128 bytes, bulk packet size 64, read a multiple of the
+ * packet size.
+ */
+- u64 buf[2*64/8];
++ const size_t bufsize = 2 * 64;
++ u64 *buf;
++
++ buf = kmalloc(bufsize, GFP_KERNEL);
++ if (!buf)
++ return;
+
+ mutex_lock(&master->bus_mutex);
+
+@@ -745,10 +749,9 @@ static void ds9490r_search(void *data, struct w1_master *master,
+ do {
+ schedule_timeout(jtime);
+
+- if (ds_recv_status_nodump(dev, &st, st_buf, sizeof(st_buf)) <
+- sizeof(st)) {
++ err = ds_recv_status(dev, &st, false);
++ if (err < 0 || err < sizeof(st))
+ break;
+- }
+
+ if (st.data_in_buffer_status) {
+ /* Bulk in can receive partial ids, but when it does
+@@ -758,7 +761,7 @@ static void ds9490r_search(void *data, struct w1_master *master,
+ * bulk without first checking if status says there
+ * is data to read.
+ */
+- err = ds_recv_data(dev, (u8 *)buf, sizeof(buf));
++ err = ds_recv_data(dev, (u8 *)buf, bufsize);
+ if (err < 0)
+ break;
+ for (i = 0; i < err/8; ++i) {
+@@ -794,9 +797,14 @@ static void ds9490r_search(void *data, struct w1_master *master,
+ }
+ search_out:
+ mutex_unlock(&master->bus_mutex);
++ kfree(buf);
+ }
+
+ #if 0
++/*
++ * FIXME: if this disabled code is ever used in the future all ds_send_data()
++ * calls must be changed to use a DMAable buffer.
++ */
+ static int ds_match_access(struct ds_device *dev, u64 init)
+ {
+ int err;
+@@ -845,13 +853,12 @@ static int ds_set_path(struct ds_device *dev, u64 init)
+
+ static u8 ds9490r_touch_bit(void *data, u8 bit)
+ {
+- u8 ret;
+ struct ds_device *dev = data;
+
+- if (ds_touch_bit(dev, bit, &ret))
++ if (ds_touch_bit(dev, bit, &dev->byte_buf))
+ return 0;
+
+- return ret;
++ return dev->byte_buf;
+ }
+
+ #if 0
+@@ -866,13 +873,12 @@ static u8 ds9490r_read_bit(void *data)
+ {
+ struct ds_device *dev = data;
+ int err;
+- u8 bit = 0;
+
+- err = ds_touch_bit(dev, 1, &bit);
++ err = ds_touch_bit(dev, 1, &dev->byte_buf);
+ if (err)
+ return 0;
+
+- return bit & 1;
++ return dev->byte_buf & 1;
+ }
+ #endif
+
+@@ -887,32 +893,52 @@ static u8 ds9490r_read_byte(void *data)
+ {
+ struct ds_device *dev = data;
+ int err;
+- u8 byte = 0;
+
+- err = ds_read_byte(dev, &byte);
++ err = ds_read_byte(dev, &dev->byte_buf);
+ if (err)
+ return 0;
+
+- return byte;
++ return dev->byte_buf;
+ }
+
+ static void ds9490r_write_block(void *data, const u8 *buf, int len)
+ {
+ struct ds_device *dev = data;
++ u8 *tbuf;
++
++ if (len <= 0)
++ return;
++
++ tbuf = kmalloc(len, GFP_KERNEL);
++ if (!tbuf)
++ return;
+
+- ds_write_block(dev, (u8 *)buf, len);
++ memcpy(tbuf, buf, len);
++ ds_write_block(dev, tbuf, len);
++
++ kfree(tbuf);
+ }
+
+ static u8 ds9490r_read_block(void *data, u8 *buf, int len)
+ {
+ struct ds_device *dev = data;
+ int err;
++ u8 *tbuf;
+
+- err = ds_read_block(dev, buf, len);
+- if (err < 0)
++ if (len <= 0)
++ return 0;
++
++ tbuf = kmalloc(len, GFP_KERNEL);
++ if (!tbuf)
+ return 0;
+
+- return len;
++ err = ds_read_block(dev, tbuf, len);
++ if (err >= 0)
++ memcpy(buf, tbuf, len);
++
++ kfree(tbuf);
++
++ return err >= 0 ? len : 0;
+ }
+
+ static u8 ds9490r_reset(void *data)
+diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
+index e213c678bbfe..ab0931e7a9bb 100644
+--- a/drivers/w1/w1.c
++++ b/drivers/w1/w1.c
+@@ -763,6 +763,7 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
+ dev_err(&dev->dev, "%s: Attaching %s failed.\n", __func__,
+ sl->name);
+ w1_family_put(sl->family);
++ atomic_dec(&sl->master->refcnt);
+ kfree(sl);
+ return err;
+ }
+diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
+index ef3ebd780aff..1e643c718917 100644
+--- a/fs/ceph/addr.c
++++ b/fs/ceph/addr.c
+@@ -363,6 +363,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
+ nr_pages = i;
+ if (nr_pages > 0) {
+ len = nr_pages << PAGE_SHIFT;
++ osd_req_op_extent_update(req, 0, len);
+ break;
+ }
+ goto out_pages;
+diff --git a/fs/cifs/file.c b/fs/cifs/file.c
+index 18a1e1d6671f..1cd0e2eefc66 100644
+--- a/fs/cifs/file.c
++++ b/fs/cifs/file.c
+@@ -2884,7 +2884,15 @@ cifs_readdata_to_iov(struct cifs_readdata *rdata, struct iov_iter *iter)
+ for (i = 0; i < rdata->nr_pages; i++) {
+ struct page *page = rdata->pages[i];
+ size_t copy = min_t(size_t, remaining, PAGE_SIZE);
+- size_t written = copy_page_to_iter(page, 0, copy, iter);
++ size_t written;
++
++ if (unlikely(iter->type & ITER_PIPE)) {
++ void *addr = kmap_atomic(page);
++
++ written = copy_to_iter(addr, copy, iter);
++ kunmap_atomic(addr);
++ } else
++ written = copy_page_to_iter(page, 0, copy, iter);
+ remaining -= written;
+ if (written < copy && iov_iter_count(iter) > 0)
+ break;
+diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
+index c930a0110fb4..9fbf92ca358c 100644
+--- a/fs/ext4/extents.c
++++ b/fs/ext4/extents.c
+@@ -5344,7 +5344,8 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
+ ext4_lblk_t stop, *iterator, ex_start, ex_end;
+
+ /* Let path point to the last extent */
+- path = ext4_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL, 0);
++ path = ext4_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL,
++ EXT4_EX_NOCACHE);
+ if (IS_ERR(path))
+ return PTR_ERR(path);
+
+@@ -5353,15 +5354,15 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
+ if (!extent)
+ goto out;
+
+- stop = le32_to_cpu(extent->ee_block) +
+- ext4_ext_get_actual_len(extent);
++ stop = le32_to_cpu(extent->ee_block);
+
+ /*
+ * In case of left shift, Don't start shifting extents until we make
+ * sure the hole is big enough to accommodate the shift.
+ */
+ if (SHIFT == SHIFT_LEFT) {
+- path = ext4_find_extent(inode, start - 1, &path, 0);
++ path = ext4_find_extent(inode, start - 1, &path,
++ EXT4_EX_NOCACHE);
+ if (IS_ERR(path))
+ return PTR_ERR(path);
+ depth = path->p_depth;
+@@ -5393,9 +5394,14 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
+ else
+ iterator = &stop;
+
+- /* Its safe to start updating extents */
+- while (start < stop) {
+- path = ext4_find_extent(inode, *iterator, &path, 0);
++ /*
++ * Its safe to start updating extents. Start and stop are unsigned, so
++ * in case of right shift if extent with 0 block is reached, iterator
++ * becomes NULL to indicate the end of the loop.
++ */
++ while (iterator && start <= stop) {
++ path = ext4_find_extent(inode, *iterator, &path,
++ EXT4_EX_NOCACHE);
+ if (IS_ERR(path))
+ return PTR_ERR(path);
+ depth = path->p_depth;
+@@ -5422,8 +5428,11 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
+ ext4_ext_get_actual_len(extent);
+ } else {
+ extent = EXT_FIRST_EXTENT(path[depth].p_hdr);
+- *iterator = le32_to_cpu(extent->ee_block) > 0 ?
+- le32_to_cpu(extent->ee_block) - 1 : 0;
++ if (le32_to_cpu(extent->ee_block) > 0)
++ *iterator = le32_to_cpu(extent->ee_block) - 1;
++ else
++ /* Beginning is reached, end of the loop */
++ iterator = NULL;
+ /* Update path extent in case we need to stop */
+ while (le32_to_cpu(extent->ee_block) < start)
+ extent++;
+diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
+index d8ca4b9f9dd6..37b521ed39df 100644
+--- a/fs/ext4/inline.c
++++ b/fs/ext4/inline.c
+@@ -376,7 +376,7 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode,
+ static int ext4_prepare_inline_data(handle_t *handle, struct inode *inode,
+ unsigned int len)
+ {
+- int ret, size;
++ int ret, size, no_expand;
+ struct ext4_inode_info *ei = EXT4_I(inode);
+
+ if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA))
+@@ -386,15 +386,14 @@ static int ext4_prepare_inline_data(handle_t *handle, struct inode *inode,
+ if (size < len)
+ return -ENOSPC;
+
+- down_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_lock_xattr(inode, &no_expand);
+
+ if (ei->i_inline_off)
+ ret = ext4_update_inline_data(handle, inode, len);
+ else
+ ret = ext4_create_inline_data(handle, inode, len);
+
+- up_write(&EXT4_I(inode)->xattr_sem);
+-
++ ext4_write_unlock_xattr(inode, &no_expand);
+ return ret;
+ }
+
+@@ -523,7 +522,7 @@ static int ext4_convert_inline_data_to_extent(struct address_space *mapping,
+ struct inode *inode,
+ unsigned flags)
+ {
+- int ret, needed_blocks;
++ int ret, needed_blocks, no_expand;
+ handle_t *handle = NULL;
+ int retries = 0, sem_held = 0;
+ struct page *page = NULL;
+@@ -563,7 +562,7 @@ static int ext4_convert_inline_data_to_extent(struct address_space *mapping,
+ goto out;
+ }
+
+- down_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_lock_xattr(inode, &no_expand);
+ sem_held = 1;
+ /* If some one has already done this for us, just exit. */
+ if (!ext4_has_inline_data(inode)) {
+@@ -600,7 +599,7 @@ static int ext4_convert_inline_data_to_extent(struct address_space *mapping,
+ put_page(page);
+ page = NULL;
+ ext4_orphan_add(handle, inode);
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+ sem_held = 0;
+ ext4_journal_stop(handle);
+ handle = NULL;
+@@ -626,7 +625,7 @@ static int ext4_convert_inline_data_to_extent(struct address_space *mapping,
+ put_page(page);
+ }
+ if (sem_held)
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+ if (handle)
+ ext4_journal_stop(handle);
+ brelse(iloc.bh);
+@@ -719,7 +718,7 @@ int ext4_try_to_write_inline_data(struct address_space *mapping,
+ int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len,
+ unsigned copied, struct page *page)
+ {
+- int ret;
++ int ret, no_expand;
+ void *kaddr;
+ struct ext4_iloc iloc;
+
+@@ -737,7 +736,7 @@ int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len,
+ goto out;
+ }
+
+- down_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_lock_xattr(inode, &no_expand);
+ BUG_ON(!ext4_has_inline_data(inode));
+
+ kaddr = kmap_atomic(page);
+@@ -747,7 +746,7 @@ int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len,
+ /* clear page dirty so that writepages wouldn't work for us. */
+ ClearPageDirty(page);
+
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+ brelse(iloc.bh);
+ out:
+ return copied;
+@@ -758,7 +757,7 @@ ext4_journalled_write_inline_data(struct inode *inode,
+ unsigned len,
+ struct page *page)
+ {
+- int ret;
++ int ret, no_expand;
+ void *kaddr;
+ struct ext4_iloc iloc;
+
+@@ -768,11 +767,11 @@ ext4_journalled_write_inline_data(struct inode *inode,
+ return NULL;
+ }
+
+- down_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_lock_xattr(inode, &no_expand);
+ kaddr = kmap_atomic(page);
+ ext4_write_inline_data(inode, &iloc, kaddr, 0, len);
+ kunmap_atomic(kaddr);
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+
+ return iloc.bh;
+ }
+@@ -934,8 +933,15 @@ int ext4_da_write_inline_data_end(struct inode *inode, loff_t pos,
+ struct page *page)
+ {
+ int i_size_changed = 0;
++ int ret;
+
+- copied = ext4_write_inline_data_end(inode, pos, len, copied, page);
++ ret = ext4_write_inline_data_end(inode, pos, len, copied, page);
++ if (ret < 0) {
++ unlock_page(page);
++ put_page(page);
++ return ret;
++ }
++ copied = ret;
+
+ /*
+ * No need to use i_size_read() here, the i_size
+@@ -1249,7 +1255,7 @@ static int ext4_convert_inline_data_nolock(handle_t *handle,
+ int ext4_try_add_inline_entry(handle_t *handle, struct ext4_filename *fname,
+ struct inode *dir, struct inode *inode)
+ {
+- int ret, inline_size;
++ int ret, inline_size, no_expand;
+ void *inline_start;
+ struct ext4_iloc iloc;
+
+@@ -1257,7 +1263,7 @@ int ext4_try_add_inline_entry(handle_t *handle, struct ext4_filename *fname,
+ if (ret)
+ return ret;
+
+- down_write(&EXT4_I(dir)->xattr_sem);
++ ext4_write_lock_xattr(dir, &no_expand);
+ if (!ext4_has_inline_data(dir))
+ goto out;
+
+@@ -1303,7 +1309,7 @@ int ext4_try_add_inline_entry(handle_t *handle, struct ext4_filename *fname,
+
+ out:
+ ext4_mark_inode_dirty(handle, dir);
+- up_write(&EXT4_I(dir)->xattr_sem);
++ ext4_write_unlock_xattr(dir, &no_expand);
+ brelse(iloc.bh);
+ return ret;
+ }
+@@ -1663,7 +1669,7 @@ int ext4_delete_inline_entry(handle_t *handle,
+ struct buffer_head *bh,
+ int *has_inline_data)
+ {
+- int err, inline_size;
++ int err, inline_size, no_expand;
+ struct ext4_iloc iloc;
+ void *inline_start;
+
+@@ -1671,7 +1677,7 @@ int ext4_delete_inline_entry(handle_t *handle,
+ if (err)
+ return err;
+
+- down_write(&EXT4_I(dir)->xattr_sem);
++ ext4_write_lock_xattr(dir, &no_expand);
+ if (!ext4_has_inline_data(dir)) {
+ *has_inline_data = 0;
+ goto out;
+@@ -1705,7 +1711,7 @@ int ext4_delete_inline_entry(handle_t *handle,
+
+ ext4_show_inline_dir(dir, iloc.bh, inline_start, inline_size);
+ out:
+- up_write(&EXT4_I(dir)->xattr_sem);
++ ext4_write_unlock_xattr(dir, &no_expand);
+ brelse(iloc.bh);
+ if (err != -ENOENT)
+ ext4_std_error(dir->i_sb, err);
+@@ -1804,11 +1810,11 @@ bool empty_inline_dir(struct inode *dir, int *has_inline_data)
+
+ int ext4_destroy_inline_data(handle_t *handle, struct inode *inode)
+ {
+- int ret;
++ int ret, no_expand;
+
+- down_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_lock_xattr(inode, &no_expand);
+ ret = ext4_destroy_inline_data_nolock(handle, inode);
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+
+ return ret;
+ }
+@@ -1893,7 +1899,7 @@ int ext4_try_to_evict_inline_data(handle_t *handle,
+ void ext4_inline_data_truncate(struct inode *inode, int *has_inline)
+ {
+ handle_t *handle;
+- int inline_size, value_len, needed_blocks;
++ int inline_size, value_len, needed_blocks, no_expand;
+ size_t i_size;
+ void *value = NULL;
+ struct ext4_xattr_ibody_find is = {
+@@ -1910,7 +1916,7 @@ void ext4_inline_data_truncate(struct inode *inode, int *has_inline)
+ if (IS_ERR(handle))
+ return;
+
+- down_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_lock_xattr(inode, &no_expand);
+ if (!ext4_has_inline_data(inode)) {
+ *has_inline = 0;
+ ext4_journal_stop(handle);
+@@ -1968,7 +1974,7 @@ void ext4_inline_data_truncate(struct inode *inode, int *has_inline)
+ up_write(&EXT4_I(inode)->i_data_sem);
+ out:
+ brelse(is.iloc.bh);
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+ kfree(value);
+ if (inode->i_nlink)
+ ext4_orphan_del(handle, inode);
+@@ -1984,7 +1990,7 @@ void ext4_inline_data_truncate(struct inode *inode, int *has_inline)
+
+ int ext4_convert_inline_data(struct inode *inode)
+ {
+- int error, needed_blocks;
++ int error, needed_blocks, no_expand;
+ handle_t *handle;
+ struct ext4_iloc iloc;
+
+@@ -2006,15 +2012,10 @@ int ext4_convert_inline_data(struct inode *inode)
+ goto out_free;
+ }
+
+- down_write(&EXT4_I(inode)->xattr_sem);
+- if (!ext4_has_inline_data(inode)) {
+- up_write(&EXT4_I(inode)->xattr_sem);
+- goto out;
+- }
+-
+- error = ext4_convert_inline_data_nolock(handle, inode, &iloc);
+- up_write(&EXT4_I(inode)->xattr_sem);
+-out:
++ ext4_write_lock_xattr(inode, &no_expand);
++ if (ext4_has_inline_data(inode))
++ error = ext4_convert_inline_data_nolock(handle, inode, &iloc);
++ ext4_write_unlock_xattr(inode, &no_expand);
+ ext4_journal_stop(handle);
+ out_free:
+ brelse(iloc.bh);
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 33a509c876ee..1d4f5faa04b5 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -1324,8 +1324,11 @@ static int ext4_write_end(struct file *file,
+ if (ext4_has_inline_data(inode)) {
+ ret = ext4_write_inline_data_end(inode, pos, len,
+ copied, page);
+- if (ret < 0)
++ if (ret < 0) {
++ unlock_page(page);
++ put_page(page);
+ goto errout;
++ }
+ copied = ret;
+ } else
+ copied = block_write_end(file, mapping, pos,
+@@ -1379,7 +1382,9 @@ static int ext4_write_end(struct file *file,
+ * set the buffer to be dirty, since in data=journalled mode we need
+ * to call ext4_handle_dirty_metadata() instead.
+ */
+-static void zero_new_buffers(struct page *page, unsigned from, unsigned to)
++static void ext4_journalled_zero_new_buffers(handle_t *handle,
++ struct page *page,
++ unsigned from, unsigned to)
+ {
+ unsigned int block_start = 0, block_end;
+ struct buffer_head *head, *bh;
+@@ -1396,7 +1401,7 @@ static void zero_new_buffers(struct page *page, unsigned from, unsigned to)
+ size = min(to, block_end) - start;
+
+ zero_user(page, start, size);
+- set_buffer_uptodate(bh);
++ write_end_fn(handle, bh);
+ }
+ clear_buffer_new(bh);
+ }
+@@ -1425,18 +1430,25 @@ static int ext4_journalled_write_end(struct file *file,
+
+ BUG_ON(!ext4_handle_valid(handle));
+
+- if (ext4_has_inline_data(inode))
+- copied = ext4_write_inline_data_end(inode, pos, len,
+- copied, page);
+- else {
+- if (copied < len) {
+- if (!PageUptodate(page))
+- copied = 0;
+- zero_new_buffers(page, from+copied, to);
++ if (ext4_has_inline_data(inode)) {
++ ret = ext4_write_inline_data_end(inode, pos, len,
++ copied, page);
++ if (ret < 0) {
++ unlock_page(page);
++ put_page(page);
++ goto errout;
+ }
+-
++ copied = ret;
++ } else if (unlikely(copied < len) && !PageUptodate(page)) {
++ copied = 0;
++ ext4_journalled_zero_new_buffers(handle, page, from, to);
++ } else {
++ if (unlikely(copied < len))
++ ext4_journalled_zero_new_buffers(handle, page,
++ from + copied, to);
+ ret = ext4_walk_page_buffers(handle, page_buffers(page), from,
+- to, &partial, write_end_fn);
++ from + copied, &partial,
++ write_end_fn);
+ if (!partial)
+ SetPageUptodate(page);
+ }
+@@ -1462,6 +1474,7 @@ static int ext4_journalled_write_end(struct file *file,
+ */
+ ext4_orphan_add(handle, inode);
+
++errout:
+ ret2 = ext4_journal_stop(handle);
+ if (!ret)
+ ret = ret2;
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index 7ae43c59bc79..2e9fc7a61048 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -3123,6 +3123,13 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
+ if (ar->pright && start + size - 1 >= ar->lright)
+ size -= start + size - ar->lright;
+
++ /*
++ * Trim allocation request for filesystems with artificially small
++ * groups.
++ */
++ if (size > EXT4_BLOCKS_PER_GROUP(ac->ac_sb))
++ size = EXT4_BLOCKS_PER_GROUP(ac->ac_sb);
++
+ end = start + size;
+
+ /* check we don't cross already preallocated blocks */
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index 104f8bfba718..c4a389a6027b 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -1616,13 +1616,15 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi
+ !fscrypt_has_permitted_context(dir, inode)) {
+ int nokey = ext4_encrypted_inode(inode) &&
+ !fscrypt_has_encryption_key(inode);
+- iput(inode);
+- if (nokey)
++ if (nokey) {
++ iput(inode);
+ return ERR_PTR(-ENOKEY);
++ }
+ ext4_warning(inode->i_sb,
+ "Inconsistent encryption contexts: %lu/%lu",
+ (unsigned long) dir->i_ino,
+ (unsigned long) inode->i_ino);
++ iput(inode);
+ return ERR_PTR(-EPERM);
+ }
+ }
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index bbc316db9495..afe29ba42a4e 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -825,6 +825,7 @@ static void ext4_put_super(struct super_block *sb)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct ext4_super_block *es = sbi->s_es;
++ int aborted = 0;
+ int i, err;
+
+ ext4_unregister_li_request(sb);
+@@ -834,9 +835,10 @@ static void ext4_put_super(struct super_block *sb)
+ destroy_workqueue(sbi->rsv_conversion_wq);
+
+ if (sbi->s_journal) {
++ aborted = is_journal_aborted(sbi->s_journal);
+ err = jbd2_journal_destroy(sbi->s_journal);
+ sbi->s_journal = NULL;
+- if (err < 0)
++ if ((err < 0) && !aborted)
+ ext4_abort(sb, "Couldn't clean up the journal");
+ }
+
+@@ -847,7 +849,7 @@ static void ext4_put_super(struct super_block *sb)
+ ext4_mb_release(sb);
+ ext4_ext_release(sb);
+
+- if (!(sb->s_flags & MS_RDONLY)) {
++ if (!(sb->s_flags & MS_RDONLY) && !aborted) {
+ ext4_clear_feature_journal_needs_recovery(sb);
+ es->s_state = cpu_to_le16(sbi->s_mount_state);
+ }
+@@ -3911,7 +3913,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
+ * root first: it may be modified in the journal!
+ */
+ if (!test_opt(sb, NOLOAD) && ext4_has_feature_journal(sb)) {
+- if (ext4_load_journal(sb, es, journal_devnum))
++ err = ext4_load_journal(sb, es, journal_devnum);
++ if (err)
+ goto failed_mount3a;
+ } else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) &&
+ ext4_has_feature_journal_needs_recovery(sb)) {
+diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
+index d77be9e9f535..4448ed37181b 100644
+--- a/fs/ext4/xattr.c
++++ b/fs/ext4/xattr.c
+@@ -1174,16 +1174,14 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
+ struct ext4_xattr_block_find bs = {
+ .s = { .not_found = -ENODATA, },
+ };
+- unsigned long no_expand;
++ int no_expand;
+ int error;
+
+ if (!name)
+ return -EINVAL;
+ if (strlen(name) > 255)
+ return -ERANGE;
+- down_write(&EXT4_I(inode)->xattr_sem);
+- no_expand = ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND);
+- ext4_set_inode_state(inode, EXT4_STATE_NO_EXPAND);
++ ext4_write_lock_xattr(inode, &no_expand);
+
+ error = ext4_reserve_inode_write(handle, inode, &is.iloc);
+ if (error)
+@@ -1251,7 +1249,7 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
+ ext4_xattr_update_super_block(handle, inode->i_sb);
+ inode->i_ctime = ext4_current_time(inode);
+ if (!value)
+- ext4_clear_inode_state(inode, EXT4_STATE_NO_EXPAND);
++ no_expand = 0;
+ error = ext4_mark_iloc_dirty(handle, inode, &is.iloc);
+ /*
+ * The bh is consumed by ext4_mark_iloc_dirty, even with
+@@ -1265,9 +1263,7 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
+ cleanup:
+ brelse(is.iloc.bh);
+ brelse(bs.bh);
+- if (no_expand == 0)
+- ext4_clear_inode_state(inode, EXT4_STATE_NO_EXPAND);
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+ return error;
+ }
+
+@@ -1484,12 +1480,11 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
+ int error = 0, tried_min_extra_isize = 0;
+ int s_min_extra_isize = le16_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_min_extra_isize);
+ int isize_diff; /* How much do we need to grow i_extra_isize */
++ int no_expand;
++
++ if (ext4_write_trylock_xattr(inode, &no_expand) == 0)
++ return 0;
+
+- down_write(&EXT4_I(inode)->xattr_sem);
+- /*
+- * Set EXT4_STATE_NO_EXPAND to avoid recursion when marking inode dirty
+- */
+- ext4_set_inode_state(inode, EXT4_STATE_NO_EXPAND);
+ retry:
+ isize_diff = new_extra_isize - EXT4_I(inode)->i_extra_isize;
+ if (EXT4_I(inode)->i_extra_isize >= new_extra_isize)
+@@ -1571,17 +1566,16 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
+ EXT4_I(inode)->i_extra_isize = new_extra_isize;
+ brelse(bh);
+ out:
+- ext4_clear_inode_state(inode, EXT4_STATE_NO_EXPAND);
+- up_write(&EXT4_I(inode)->xattr_sem);
++ ext4_write_unlock_xattr(inode, &no_expand);
+ return 0;
+
+ cleanup:
+ brelse(bh);
+ /*
+- * We deliberately leave EXT4_STATE_NO_EXPAND set here since inode
+- * size expansion failed.
++ * Inode size expansion failed; don't try again
+ */
+- up_write(&EXT4_I(inode)->xattr_sem);
++ no_expand = 1;
++ ext4_write_unlock_xattr(inode, &no_expand);
+ return error;
+ }
+
+diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
+index a92e783fa057..099c8b670ef5 100644
+--- a/fs/ext4/xattr.h
++++ b/fs/ext4/xattr.h
+@@ -102,6 +102,38 @@ extern const struct xattr_handler ext4_xattr_security_handler;
+
+ #define EXT4_XATTR_NAME_ENCRYPTION_CONTEXT "c"
+
++/*
++ * The EXT4_STATE_NO_EXPAND is overloaded and used for two purposes.
++ * The first is to signal that there the inline xattrs and data are
++ * taking up so much space that we might as well not keep trying to
++ * expand it. The second is that xattr_sem is taken for writing, so
++ * we shouldn't try to recurse into the inode expansion. For this
++ * second case, we need to make sure that we take save and restore the
++ * NO_EXPAND state flag appropriately.
++ */
++static inline void ext4_write_lock_xattr(struct inode *inode, int *save)
++{
++ down_write(&EXT4_I(inode)->xattr_sem);
++ *save = ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND);
++ ext4_set_inode_state(inode, EXT4_STATE_NO_EXPAND);
++}
++
++static inline int ext4_write_trylock_xattr(struct inode *inode, int *save)
++{
++ if (down_write_trylock(&EXT4_I(inode)->xattr_sem) == 0)
++ return 0;
++ *save = ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND);
++ ext4_set_inode_state(inode, EXT4_STATE_NO_EXPAND);
++ return 1;
++}
++
++static inline void ext4_write_unlock_xattr(struct inode *inode, int *save)
++{
++ if (*save == 0)
++ ext4_clear_inode_state(inode, EXT4_STATE_NO_EXPAND);
++ up_write(&EXT4_I(inode)->xattr_sem);
++}
++
+ extern ssize_t ext4_listxattr(struct dentry *, char *, size_t);
+
+ extern int ext4_xattr_get(struct inode *, int, const char *, void *, size_t);
+diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
+index 369f4513be37..ebdc90fc71b7 100644
+--- a/fs/f2fs/dir.c
++++ b/fs/f2fs/dir.c
+@@ -207,9 +207,13 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir,
+ f2fs_put_page(dentry_page, 0);
+ }
+
+- if (!de && room && F2FS_I(dir)->chash != namehash) {
+- F2FS_I(dir)->chash = namehash;
+- F2FS_I(dir)->clevel = level;
++ /* This is to increase the speed of f2fs_create */
++ if (!de && room) {
++ F2FS_I(dir)->task = current;
++ if (F2FS_I(dir)->chash != namehash) {
++ F2FS_I(dir)->chash = namehash;
++ F2FS_I(dir)->clevel = level;
++ }
+ }
+
+ return de;
+@@ -643,14 +647,34 @@ int __f2fs_add_link(struct inode *dir, const struct qstr *name,
+ struct inode *inode, nid_t ino, umode_t mode)
+ {
+ struct fscrypt_name fname;
++ struct page *page = NULL;
++ struct f2fs_dir_entry *de = NULL;
+ int err;
+
+ err = fscrypt_setup_filename(dir, name, 0, &fname);
+ if (err)
+ return err;
+
+- err = __f2fs_do_add_link(dir, &fname, inode, ino, mode);
+-
++ /*
++ * An immature stakable filesystem shows a race condition between lookup
++ * and create. If we have same task when doing lookup and create, it's
++ * definitely fine as expected by VFS normally. Otherwise, let's just
++ * verify on-disk dentry one more time, which guarantees filesystem
++ * consistency more.
++ */
++ if (current != F2FS_I(dir)->task) {
++ de = __f2fs_find_entry(dir, &fname, &page);
++ F2FS_I(dir)->task = NULL;
++ }
++ if (de) {
++ f2fs_dentry_kunmap(dir, page);
++ f2fs_put_page(page, 0);
++ err = -EEXIST;
++ } else if (IS_ERR(page)) {
++ err = PTR_ERR(page);
++ } else {
++ err = __f2fs_do_add_link(dir, &fname, inode, ino, mode);
++ }
+ fscrypt_free_filename(&fname);
+ return err;
+ }
+diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
+index 2b06d4fcd954..7b32ce979fe1 100644
+--- a/fs/f2fs/extent_cache.c
++++ b/fs/f2fs/extent_cache.c
+@@ -352,11 +352,12 @@ static struct extent_node *__try_merge_extent_node(struct inode *inode,
+ }
+
+ if (next_ex && __is_front_mergeable(ei, &next_ex->ei)) {
+- if (en)
+- __release_extent_node(sbi, et, prev_ex);
+ next_ex->ei.fofs = ei->fofs;
+ next_ex->ei.blk = ei->blk;
+ next_ex->ei.len += ei->len;
++ if (en)
++ __release_extent_node(sbi, et, prev_ex);
++
+ en = next_ex;
+ }
+
+diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
+index 506af456412f..3a1640be7ffc 100644
+--- a/fs/f2fs/f2fs.h
++++ b/fs/f2fs/f2fs.h
+@@ -431,6 +431,7 @@ struct f2fs_inode_info {
+ atomic_t dirty_pages; /* # of dirty pages */
+ f2fs_hash_t chash; /* hash value of given file name */
+ unsigned int clevel; /* maximum level of given file name */
++ struct task_struct *task; /* lookup and create consistency */
+ nid_t i_xattr_nid; /* node id that contains xattrs */
+ unsigned long long xattr_ver; /* cp version of xattr modification */
+ loff_t last_disk_size; /* lastly written file size */
+@@ -833,6 +834,9 @@ struct f2fs_sb_info {
+ struct f2fs_gc_kthread *gc_thread; /* GC thread */
+ unsigned int cur_victim_sec; /* current victim section num */
+
++ /* threshold for converting bg victims for fg */
++ u64 fggc_threshold;
++
+ /* maximum # of trials to find a victim segment for SSR and GC */
+ unsigned int max_victim_search;
+
+diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
+index 6f14ee923acd..34a69e7ed90b 100644
+--- a/fs/f2fs/gc.c
++++ b/fs/f2fs/gc.c
+@@ -166,7 +166,8 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
+ p->ofs_unit = sbi->segs_per_sec;
+ }
+
+- if (p->max_search > sbi->max_victim_search)
++ /* we need to check every dirty segments in the FG_GC case */
++ if (gc_type != FG_GC && p->max_search > sbi->max_victim_search)
+ p->max_search = sbi->max_victim_search;
+
+ p->offset = sbi->last_victim[p->gc_mode];
+@@ -199,6 +200,10 @@ static unsigned int check_bg_victims(struct f2fs_sb_info *sbi)
+ for_each_set_bit(secno, dirty_i->victim_secmap, MAIN_SECS(sbi)) {
+ if (sec_usage_check(sbi, secno))
+ continue;
++
++ if (no_fggc_candidate(sbi, secno))
++ continue;
++
+ clear_bit(secno, dirty_i->victim_secmap);
+ return secno * sbi->segs_per_sec;
+ }
+@@ -322,13 +327,15 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
+ nsearched++;
+ }
+
+-
+ secno = GET_SECNO(sbi, segno);
+
+ if (sec_usage_check(sbi, secno))
+ goto next;
+ if (gc_type == BG_GC && test_bit(secno, dirty_i->victim_secmap))
+ goto next;
++ if (gc_type == FG_GC && p.alloc_mode == LFS &&
++ no_fggc_candidate(sbi, secno))
++ goto next;
+
+ cost = get_gc_cost(sbi, segno, &p);
+
+@@ -972,5 +979,16 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync)
+
+ void build_gc_manager(struct f2fs_sb_info *sbi)
+ {
++ u64 main_count, resv_count, ovp_count, blocks_per_sec;
++
+ DIRTY_I(sbi)->v_ops = &default_v_ops;
++
++ /* threshold of # of valid blocks in a section for victims of FG_GC */
++ main_count = SM_I(sbi)->main_segments << sbi->log_blocks_per_seg;
++ resv_count = SM_I(sbi)->reserved_segments << sbi->log_blocks_per_seg;
++ ovp_count = SM_I(sbi)->ovp_segments << sbi->log_blocks_per_seg;
++ blocks_per_sec = sbi->blocks_per_seg * sbi->segs_per_sec;
++
++ sbi->fggc_threshold = div_u64((main_count - ovp_count) * blocks_per_sec,
++ (main_count - resv_count));
+ }
+diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
+index fc886f008449..a7943f861d68 100644
+--- a/fs/f2fs/segment.c
++++ b/fs/f2fs/segment.c
+@@ -813,6 +813,8 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+ start = start_segno + sbi->segs_per_sec;
+ if (start < end)
+ goto next;
++ else
++ end = start - 1;
+ }
+ mutex_unlock(&dirty_i->seglist_lock);
+
+diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
+index fecb856ad874..b164f8339281 100644
+--- a/fs/f2fs/segment.h
++++ b/fs/f2fs/segment.h
+@@ -688,6 +688,15 @@ static inline block_t sum_blk_addr(struct f2fs_sb_info *sbi, int base, int type)
+ - (base + 1) + type;
+ }
+
++static inline bool no_fggc_candidate(struct f2fs_sb_info *sbi,
++ unsigned int secno)
++{
++ if (get_valid_blocks(sbi, secno, sbi->segs_per_sec) >=
++ sbi->fggc_threshold)
++ return true;
++ return false;
++}
++
+ static inline bool sec_usage_check(struct f2fs_sb_info *sbi, unsigned int secno)
+ {
+ if (IS_CURSEC(sbi, secno) || (sbi->cur_victim_sec == secno))
+diff --git a/fs/fuse/file.c b/fs/fuse/file.c
+index 2401c5dabb2a..5ec5870e423a 100644
+--- a/fs/fuse/file.c
++++ b/fs/fuse/file.c
+@@ -100,6 +100,7 @@ static void fuse_file_put(struct fuse_file *ff, bool sync)
+ iput(req->misc.release.inode);
+ fuse_put_request(ff->fc, req);
+ } else if (sync) {
++ __set_bit(FR_FORCE, &req->flags);
+ __clear_bit(FR_BACKGROUND, &req->flags);
+ fuse_request_send(ff->fc, req);
+ iput(req->misc.release.inode);
+diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
+index 14cbf60167a7..133f322573b5 100644
+--- a/fs/gfs2/glock.c
++++ b/fs/gfs2/glock.c
+@@ -658,9 +658,11 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
+ struct kmem_cache *cachep;
+ int ret, tries = 0;
+
++ rcu_read_lock();
+ gl = rhashtable_lookup_fast(&gl_hash_table, &name, ht_parms);
+ if (gl && !lockref_get_not_dead(&gl->gl_lockref))
+ gl = NULL;
++ rcu_read_unlock();
+
+ *glp = gl;
+ if (gl)
+@@ -728,15 +730,18 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
+
+ if (ret == -EEXIST) {
+ ret = 0;
++ rcu_read_lock();
+ tmp = rhashtable_lookup_fast(&gl_hash_table, &name, ht_parms);
+ if (tmp == NULL || !lockref_get_not_dead(&tmp->gl_lockref)) {
+ if (++tries < 100) {
++ rcu_read_unlock();
+ cond_resched();
+ goto again;
+ }
+ tmp = NULL;
+ ret = -ENOMEM;
+ }
++ rcu_read_unlock();
+ } else {
+ WARN_ON_ONCE(ret);
+ }
+diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
+index e1652665bd93..5e659ee08d6a 100644
+--- a/fs/jbd2/transaction.c
++++ b/fs/jbd2/transaction.c
+@@ -1863,7 +1863,9 @@ static void __jbd2_journal_temp_unlink_buffer(struct journal_head *jh)
+
+ __blist_del_buffer(list, jh);
+ jh->b_jlist = BJ_None;
+- if (test_clear_buffer_jbddirty(bh))
++ if (transaction && is_journal_aborted(transaction->t_journal))
++ clear_buffer_jbddirty(bh);
++ else if (test_clear_buffer_jbddirty(bh))
+ mark_buffer_dirty(bh); /* Expose it to the VM */
+ }
+
+diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
+index a5c38889e7ae..13abd608af0f 100644
+--- a/fs/nfs/flexfilelayout/flexfilelayout.c
++++ b/fs/nfs/flexfilelayout/flexfilelayout.c
+@@ -1073,9 +1073,6 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
+ struct nfs_client *mds_client = mds_server->nfs_client;
+ struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table;
+
+- if (task->tk_status >= 0)
+- return 0;
+-
+ switch (task->tk_status) {
+ /* MDS state errors */
+ case -NFS4ERR_DELEG_REVOKED:
+@@ -1176,9 +1173,6 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
+ {
+ struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
+
+- if (task->tk_status >= 0)
+- return 0;
+-
+ switch (task->tk_status) {
+ /* File access problems. Don't mark the device as unavailable */
+ case -EACCES:
+@@ -1213,6 +1207,13 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
+ {
+ int vers = clp->cl_nfs_mod->rpc_vers->number;
+
++ if (task->tk_status >= 0)
++ return 0;
++
++ /* Handle the case of an invalid layout segment */
++ if (!pnfs_is_valid_lseg(lseg))
++ return -NFS4ERR_RESET_TO_PNFS;
++
+ switch (vers) {
+ case 3:
+ return ff_layout_async_handle_error_v3(task, lseg, idx);
+diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
+index 608501971fe0..5cda392028ce 100644
+--- a/fs/nfs/nfs42proc.c
++++ b/fs/nfs/nfs42proc.c
+@@ -128,30 +128,26 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len)
+ return err;
+ }
+
+-static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src,
++static ssize_t _nfs42_proc_copy(struct file *src,
+ struct nfs_lock_context *src_lock,
+- struct file *dst, loff_t pos_dst,
++ struct file *dst,
+ struct nfs_lock_context *dst_lock,
+- size_t count)
++ struct nfs42_copy_args *args,
++ struct nfs42_copy_res *res)
+ {
+- struct nfs42_copy_args args = {
+- .src_fh = NFS_FH(file_inode(src)),
+- .src_pos = pos_src,
+- .dst_fh = NFS_FH(file_inode(dst)),
+- .dst_pos = pos_dst,
+- .count = count,
+- };
+- struct nfs42_copy_res res;
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COPY],
+- .rpc_argp = &args,
+- .rpc_resp = &res,
++ .rpc_argp = args,
++ .rpc_resp = res,
+ };
+ struct inode *dst_inode = file_inode(dst);
+ struct nfs_server *server = NFS_SERVER(dst_inode);
++ loff_t pos_src = args->src_pos;
++ loff_t pos_dst = args->dst_pos;
++ size_t count = args->count;
+ int status;
+
+- status = nfs4_set_rw_stateid(&args.src_stateid, src_lock->open_context,
++ status = nfs4_set_rw_stateid(&args->src_stateid, src_lock->open_context,
+ src_lock, FMODE_READ);
+ if (status)
+ return status;
+@@ -161,7 +157,7 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src,
+ if (status)
+ return status;
+
+- status = nfs4_set_rw_stateid(&args.dst_stateid, dst_lock->open_context,
++ status = nfs4_set_rw_stateid(&args->dst_stateid, dst_lock->open_context,
+ dst_lock, FMODE_WRITE);
+ if (status)
+ return status;
+@@ -171,22 +167,22 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src,
+ return status;
+
+ status = nfs4_call_sync(server->client, server, &msg,
+- &args.seq_args, &res.seq_res, 0);
++ &args->seq_args, &res->seq_res, 0);
+ if (status == -ENOTSUPP)
+ server->caps &= ~NFS_CAP_COPY;
+ if (status)
+ return status;
+
+- if (res.write_res.verifier.committed != NFS_FILE_SYNC) {
+- status = nfs_commit_file(dst, &res.write_res.verifier.verifier);
++ if (res->write_res.verifier.committed != NFS_FILE_SYNC) {
++ status = nfs_commit_file(dst, &res->write_res.verifier.verifier);
+ if (status)
+ return status;
+ }
+
+ truncate_pagecache_range(dst_inode, pos_dst,
+- pos_dst + res.write_res.count);
++ pos_dst + res->write_res.count);
+
+- return res.write_res.count;
++ return res->write_res.count;
+ }
+
+ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
+@@ -196,8 +192,22 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
+ struct nfs_server *server = NFS_SERVER(file_inode(dst));
+ struct nfs_lock_context *src_lock;
+ struct nfs_lock_context *dst_lock;
+- struct nfs4_exception src_exception = { };
+- struct nfs4_exception dst_exception = { };
++ struct nfs42_copy_args args = {
++ .src_fh = NFS_FH(file_inode(src)),
++ .src_pos = pos_src,
++ .dst_fh = NFS_FH(file_inode(dst)),
++ .dst_pos = pos_dst,
++ .count = count,
++ };
++ struct nfs42_copy_res res;
++ struct nfs4_exception src_exception = {
++ .inode = file_inode(src),
++ .stateid = &args.src_stateid,
++ };
++ struct nfs4_exception dst_exception = {
++ .inode = file_inode(dst),
++ .stateid = &args.dst_stateid,
++ };
+ ssize_t err, err2;
+
+ if (!nfs_server_capable(file_inode(dst), NFS_CAP_COPY))
+@@ -207,7 +217,6 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
+ if (IS_ERR(src_lock))
+ return PTR_ERR(src_lock);
+
+- src_exception.inode = file_inode(src);
+ src_exception.state = src_lock->open_context->state;
+
+ dst_lock = nfs_get_lock_context(nfs_file_open_context(dst));
+@@ -216,15 +225,17 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
+ goto out_put_src_lock;
+ }
+
+- dst_exception.inode = file_inode(dst);
+ dst_exception.state = dst_lock->open_context->state;
+
+ do {
+ inode_lock(file_inode(dst));
+- err = _nfs42_proc_copy(src, pos_src, src_lock,
+- dst, pos_dst, dst_lock, count);
++ err = _nfs42_proc_copy(src, src_lock,
++ dst, dst_lock,
++ &args, &res);
+ inode_unlock(file_inode(dst));
+
++ if (err >= 0)
++ break;
+ if (err == -ENOTSUPP) {
+ err = -EOPNOTSUPP;
+ break;
+diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
+index 78ff8b63d5f7..609840de31d3 100644
+--- a/fs/nfs/nfs4proc.c
++++ b/fs/nfs/nfs4proc.c
+@@ -2708,6 +2708,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
+ ret = PTR_ERR(state);
+ if (IS_ERR(state))
+ goto out;
++ ctx->state = state;
+ if (server->caps & NFS_CAP_POSIX_LOCK)
+ set_bit(NFS_STATE_POSIX_LOCKS, &state->flags);
+ if (opendata->o_res.rflags & NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK)
+@@ -2733,7 +2734,6 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
+ if (ret != 0)
+ goto out;
+
+- ctx->state = state;
+ if (d_inode(dentry) == state->inode) {
+ nfs_inode_attach_open_context(ctx);
+ if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq))
+@@ -4990,7 +4990,7 @@ static void nfs4_write_cached_acl(struct inode *inode, struct page **pages, size
+ */
+ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t buflen)
+ {
+- struct page *pages[NFS4ACL_MAXPAGES] = {NULL, };
++ struct page *pages[NFS4ACL_MAXPAGES + 1] = {NULL, };
+ struct nfs_getaclargs args = {
+ .fh = NFS_FH(inode),
+ .acl_pages = pages,
+@@ -5004,13 +5004,9 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu
+ .rpc_argp = &args,
+ .rpc_resp = &res,
+ };
+- unsigned int npages = DIV_ROUND_UP(buflen, PAGE_SIZE);
++ unsigned int npages = DIV_ROUND_UP(buflen, PAGE_SIZE) + 1;
+ int ret = -ENOMEM, i;
+
+- /* As long as we're doing a round trip to the server anyway,
+- * let's be prepared for a page of acl data. */
+- if (npages == 0)
+- npages = 1;
+ if (npages > ARRAY_SIZE(pages))
+ return -ERANGE;
+
+diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
+index fc89e5ed07ee..c9c4d9855976 100644
+--- a/fs/nfs/nfs4xdr.c
++++ b/fs/nfs/nfs4xdr.c
+@@ -2492,7 +2492,7 @@ static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr,
+ encode_compound_hdr(xdr, req, &hdr);
+ encode_sequence(xdr, &args->seq_args, &hdr);
+ encode_putfh(xdr, args->fh, &hdr);
+- replen = hdr.replen + op_decode_hdr_maxsz + 1;
++ replen = hdr.replen + op_decode_hdr_maxsz;
+ encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr);
+
+ xdr_inline_pages(&req->rq_rcv_buf, replen << 2,
+diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
+index 8ca642fe9b21..b829cc9a9b39 100644
+--- a/fs/nfsd/vfs.c
++++ b/fs/nfsd/vfs.c
+@@ -377,7 +377,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
+ __be32 err;
+ int host_err;
+ bool get_write_count;
+- int size_change = 0;
++ bool size_change = (iap->ia_valid & ATTR_SIZE);
+
+ if (iap->ia_valid & (ATTR_ATIME | ATTR_MTIME | ATTR_SIZE))
+ accmode |= NFSD_MAY_WRITE|NFSD_MAY_OWNER_OVERRIDE;
+@@ -390,11 +390,11 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
+ /* Get inode */
+ err = fh_verify(rqstp, fhp, ftype, accmode);
+ if (err)
+- goto out;
++ return err;
+ if (get_write_count) {
+ host_err = fh_want_write(fhp);
+ if (host_err)
+- return nfserrno(host_err);
++ goto out;
+ }
+
+ dentry = fhp->fh_dentry;
+@@ -405,20 +405,28 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
+ iap->ia_valid &= ~ATTR_MODE;
+
+ if (!iap->ia_valid)
+- goto out;
++ return 0;
+
+ nfsd_sanitize_attrs(inode, iap);
+
++ if (check_guard && guardtime != inode->i_ctime.tv_sec)
++ return nfserr_notsync;
++
+ /*
+ * The size case is special, it changes the file in addition to the
+- * attributes.
++ * attributes, and file systems don't expect it to be mixed with
++ * "random" attribute changes. We thus split out the size change
++ * into a separate call to ->setattr, and do the rest as a separate
++ * setattr call.
+ */
+- if (iap->ia_valid & ATTR_SIZE) {
++ if (size_change) {
+ err = nfsd_get_write_access(rqstp, fhp, iap);
+ if (err)
+- goto out;
+- size_change = 1;
++ return err;
++ }
+
++ fh_lock(fhp);
++ if (size_change) {
+ /*
+ * RFC5661, Section 18.30.4:
+ * Changing the size of a file with SETATTR indirectly
+@@ -426,29 +434,36 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
+ *
+ * (and similar for the older RFCs)
+ */
+- if (iap->ia_size != i_size_read(inode))
+- iap->ia_valid |= ATTR_MTIME;
+- }
++ struct iattr size_attr = {
++ .ia_valid = ATTR_SIZE | ATTR_CTIME | ATTR_MTIME,
++ .ia_size = iap->ia_size,
++ };
+
+- iap->ia_valid |= ATTR_CTIME;
++ host_err = notify_change(dentry, &size_attr, NULL);
++ if (host_err)
++ goto out_unlock;
++ iap->ia_valid &= ~ATTR_SIZE;
+
+- if (check_guard && guardtime != inode->i_ctime.tv_sec) {
+- err = nfserr_notsync;
+- goto out_put_write_access;
++ /*
++ * Avoid the additional setattr call below if the only other
++ * attribute that the client sends is the mtime, as we update
++ * it as part of the size change above.
++ */
++ if ((iap->ia_valid & ~ATTR_MTIME) == 0)
++ goto out_unlock;
+ }
+
+- fh_lock(fhp);
++ iap->ia_valid |= ATTR_CTIME;
+ host_err = notify_change(dentry, iap, NULL);
+- fh_unlock(fhp);
+- err = nfserrno(host_err);
+
+-out_put_write_access:
++out_unlock:
++ fh_unlock(fhp);
+ if (size_change)
+ put_write_access(inode);
+- if (!err)
+- err = nfserrno(commit_metadata(fhp));
+ out:
+- return err;
++ if (!host_err)
++ host_err = commit_metadata(fhp);
++ return nfserrno(host_err);
+ }
+
+ #if defined(CONFIG_NFSD_V4)
+diff --git a/include/linux/compat.h b/include/linux/compat.h
+index 63609398ef9f..d8535a430caf 100644
+--- a/include/linux/compat.h
++++ b/include/linux/compat.h
+@@ -711,8 +711,10 @@ int __compat_save_altstack(compat_stack_t __user *, unsigned long);
+ compat_stack_t __user *__uss = uss; \
+ struct task_struct *t = current; \
+ put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \
+- put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \
++ put_user_ex(t->sas_ss_flags, &__uss->ss_flags); \
+ put_user_ex(t->sas_ss_size, &__uss->ss_size); \
++ if (t->sas_ss_flags & SS_AUTODISARM) \
++ sas_ss_reset(t); \
+ } while (0);
+
+ asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
+diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
+index 2de4e2eea180..e0acb0e5243b 100644
+--- a/include/linux/devfreq.h
++++ b/include/linux/devfreq.h
+@@ -104,6 +104,8 @@ struct devfreq_dev_profile {
+ * struct devfreq_governor - Devfreq policy governor
+ * @node: list node - contains registered devfreq governors
+ * @name: Governor's name
++ * @immutable: Immutable flag for governor. If the value is 1,
++ * this govenror is never changeable to other governor.
+ * @get_target_freq: Returns desired operating frequency for the device.
+ * Basically, get_target_freq will run
+ * devfreq_dev_profile.get_dev_status() to get the
+@@ -121,6 +123,7 @@ struct devfreq_governor {
+ struct list_head node;
+
+ const char name[DEVFREQ_NAME_LEN];
++ const unsigned int immutable;
+ int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
+ int (*event_handler)(struct devfreq *devfreq,
+ unsigned int event, void *data);
+diff --git a/include/linux/fsl_ifc.h b/include/linux/fsl_ifc.h
+index 3f9778cbc79d..c332f0a45607 100644
+--- a/include/linux/fsl_ifc.h
++++ b/include/linux/fsl_ifc.h
+@@ -733,8 +733,12 @@ struct fsl_ifc_nand {
+ __be32 nand_erattr1;
+ u32 res19[0x10];
+ __be32 nand_fsr;
+- u32 res20[0x3];
+- __be32 nand_eccstat[6];
++ u32 res20;
++ /* The V1 nand_eccstat is actually 4 words that overlaps the
++ * V2 nand_eccstat.
++ */
++ __be32 v1_nand_eccstat[2];
++ __be32 v2_nand_eccstat[6];
+ u32 res21[0x1c];
+ __be32 nanndcr;
+ u32 res22[0x2];
+diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
+index c92a083bcf16..192eef2fd766 100644
+--- a/include/linux/hyperv.h
++++ b/include/linux/hyperv.h
+@@ -641,6 +641,7 @@ struct vmbus_channel_msginfo {
+
+ /* Synchronize the request/response if needed */
+ struct completion waitevent;
++ struct vmbus_channel *waiting_channel;
+ union {
+ struct vmbus_channel_version_supported version_supported;
+ struct vmbus_channel_open_result open_result;
+diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
+index d49e26c6cdc7..23e129ef6726 100644
+--- a/include/linux/intel-iommu.h
++++ b/include/linux/intel-iommu.h
+@@ -153,8 +153,8 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
+ #define DMA_TLB_GLOBAL_FLUSH (((u64)1) << 60)
+ #define DMA_TLB_DSI_FLUSH (((u64)2) << 60)
+ #define DMA_TLB_PSI_FLUSH (((u64)3) << 60)
+-#define DMA_TLB_IIRG(type) ((type >> 60) & 7)
+-#define DMA_TLB_IAIG(val) (((val) >> 57) & 7)
++#define DMA_TLB_IIRG(type) ((type >> 60) & 3)
++#define DMA_TLB_IAIG(val) (((val) >> 57) & 3)
+ #define DMA_TLB_READ_DRAIN (((u64)1) << 49)
+ #define DMA_TLB_WRITE_DRAIN (((u64)1) << 48)
+ #define DMA_TLB_DID(id) (((u64)((id) & 0xffff)) << 32)
+@@ -164,9 +164,9 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
+
+ /* INVALID_DESC */
+ #define DMA_CCMD_INVL_GRANU_OFFSET 61
+-#define DMA_ID_TLB_GLOBAL_FLUSH (((u64)1) << 3)
+-#define DMA_ID_TLB_DSI_FLUSH (((u64)2) << 3)
+-#define DMA_ID_TLB_PSI_FLUSH (((u64)3) << 3)
++#define DMA_ID_TLB_GLOBAL_FLUSH (((u64)1) << 4)
++#define DMA_ID_TLB_DSI_FLUSH (((u64)2) << 4)
++#define DMA_ID_TLB_PSI_FLUSH (((u64)3) << 4)
+ #define DMA_ID_TLB_READ_DRAIN (((u64)1) << 7)
+ #define DMA_ID_TLB_WRITE_DRAIN (((u64)1) << 6)
+ #define DMA_ID_TLB_DID(id) (((u64)((id & 0xffff) << 16)))
+@@ -316,8 +316,8 @@ enum {
+ #define QI_DEV_EIOTLB_SIZE (((u64)1) << 11)
+ #define QI_DEV_EIOTLB_GLOB(g) ((u64)g)
+ #define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32)
+-#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 32)
+-#define QI_DEV_EIOTLB_QDEP(qd) (((qd) & 0x1f) << 16)
++#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16)
++#define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4)
+ #define QI_DEV_EIOTLB_MAX_INVS 32
+
+ #define QI_PGRP_IDX(idx) (((u64)(idx)) << 55)
+diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
+index f99c993dd500..7e273e243a13 100644
+--- a/include/linux/mmzone.h
++++ b/include/linux/mmzone.h
+@@ -779,7 +779,7 @@ static inline struct pglist_data *lruvec_pgdat(struct lruvec *lruvec)
+ #endif
+ }
+
+-extern unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru);
++extern unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru, int zone_idx);
+
+ #ifdef CONFIG_HAVE_MEMORY_PRESENT
+ void memory_present(int nid, unsigned long start, unsigned long end);
+diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
+index 5ee7aab95eb8..fd0e53219f93 100644
+--- a/include/rdma/ib_sa.h
++++ b/include/rdma/ib_sa.h
+@@ -153,12 +153,12 @@ struct ib_sa_path_rec {
+ union ib_gid sgid;
+ __be16 dlid;
+ __be16 slid;
+- int raw_traffic;
++ u8 raw_traffic;
+ /* reserved */
+ __be32 flow_label;
+ u8 hop_limit;
+ u8 traffic_class;
+- int reversible;
++ u8 reversible;
+ u8 numb_path;
+ __be16 pkey;
+ __be16 qos_class;
+@@ -220,7 +220,7 @@ struct ib_sa_mcmember_rec {
+ u8 hop_limit;
+ u8 scope;
+ u8 join_state;
+- int proxy_join;
++ u8 proxy_join;
+ };
+
+ /* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
+diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
+index 8a9563144890..b9ec4939b80c 100644
+--- a/include/scsi/scsi_device.h
++++ b/include/scsi/scsi_device.h
+@@ -315,6 +315,7 @@ extern void scsi_remove_device(struct scsi_device *);
+ extern int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh);
+ void scsi_attach_vpd(struct scsi_device *sdev);
+
++extern struct scsi_device *scsi_device_from_queue(struct request_queue *q);
+ extern int scsi_device_get(struct scsi_device *);
+ extern void scsi_device_put(struct scsi_device *);
+ extern struct scsi_device *scsi_device_lookup(struct Scsi_Host *,
+diff --git a/include/soc/at91/at91sam9_ddrsdr.h b/include/soc/at91/at91sam9_ddrsdr.h
+index dc10c52e0e91..393362bdb860 100644
+--- a/include/soc/at91/at91sam9_ddrsdr.h
++++ b/include/soc/at91/at91sam9_ddrsdr.h
+@@ -81,6 +81,7 @@
+ #define AT91_DDRSDRC_LPCB_POWER_DOWN 2
+ #define AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN 3
+ #define AT91_DDRSDRC_CLKFR (1 << 2) /* Clock Frozen */
++#define AT91_DDRSDRC_LPDDR2_PWOFF (1 << 3) /* LPDDR Power Off */
+ #define AT91_DDRSDRC_PASR (7 << 4) /* Partial Array Self Refresh */
+ #define AT91_DDRSDRC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */
+ #define AT91_DDRSDRC_DS (3 << 10) /* Drive Strength */
+@@ -96,7 +97,9 @@
+ #define AT91_DDRSDRC_MD_SDR 0
+ #define AT91_DDRSDRC_MD_LOW_POWER_SDR 1
+ #define AT91_DDRSDRC_MD_LOW_POWER_DDR 3
++#define AT91_DDRSDRC_MD_LPDDR3 5
+ #define AT91_DDRSDRC_MD_DDR2 6 /* [SAM9 Only] */
++#define AT91_DDRSDRC_MD_LPDDR2 7
+ #define AT91_DDRSDRC_DBW (1 << 4) /* Data Bus Width */
+ #define AT91_DDRSDRC_DBW_32BITS (0 << 4)
+ #define AT91_DDRSDRC_DBW_16BITS (1 << 4)
+diff --git a/ipc/shm.c b/ipc/shm.c
+index dbac8860c721..e2072ae4f90e 100644
+--- a/ipc/shm.c
++++ b/ipc/shm.c
+@@ -1085,8 +1085,8 @@ SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
+ * "raddr" thing points to kernel space, and there has to be a wrapper around
+ * this.
+ */
+-long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
+- unsigned long shmlba)
++long do_shmat(int shmid, char __user *shmaddr, int shmflg,
++ ulong *raddr, unsigned long shmlba)
+ {
+ struct shmid_kernel *shp;
+ unsigned long addr;
+@@ -1107,8 +1107,13 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
+ goto out;
+ else if ((addr = (ulong)shmaddr)) {
+ if (addr & (shmlba - 1)) {
+- if (shmflg & SHM_RND)
+- addr &= ~(shmlba - 1); /* round down */
++ /*
++ * Round down to the nearest multiple of shmlba.
++ * For sane do_mmap_pgoff() parameters, avoid
++ * round downs that trigger nil-page and MAP_FIXED.
++ */
++ if ((shmflg & SHM_RND) && addr >= shmlba)
++ addr &= ~(shmlba - 1);
+ else
+ #ifndef __ARCH_FORCE_SHMLBA
+ if (addr & ~PAGE_MASK)
+diff --git a/kernel/membarrier.c b/kernel/membarrier.c
+index 536c727a56e9..9f9284f37f8d 100644
+--- a/kernel/membarrier.c
++++ b/kernel/membarrier.c
+@@ -16,6 +16,7 @@
+
+ #include <linux/syscalls.h>
+ #include <linux/membarrier.h>
++#include <linux/tick.h>
+
+ /*
+ * Bitmask made from a "or" of all commands within enum membarrier_cmd,
+@@ -51,6 +52,9 @@
+ */
+ SYSCALL_DEFINE2(membarrier, int, cmd, int, flags)
+ {
++ /* MEMBARRIER_CMD_SHARED is not compatible with nohz_full. */
++ if (tick_nohz_full_enabled())
++ return -ENOSYS;
+ if (unlikely(flags))
+ return -EINVAL;
+ switch (cmd) {
+diff --git a/kernel/memremap.c b/kernel/memremap.c
+index 9ecedc28b928..06123234f118 100644
+--- a/kernel/memremap.c
++++ b/kernel/memremap.c
+@@ -246,9 +246,13 @@ static void devm_memremap_pages_release(struct device *dev, void *data)
+ /* pages are dead and unused, undo the arch mapping */
+ align_start = res->start & ~(SECTION_SIZE - 1);
+ align_size = ALIGN(resource_size(res), SECTION_SIZE);
++
++ lock_device_hotplug();
+ mem_hotplug_begin();
+ arch_remove_memory(align_start, align_size);
+ mem_hotplug_done();
++ unlock_device_hotplug();
++
+ untrack_pfn(NULL, PHYS_PFN(align_start), align_size);
+ pgmap_radix_release(res);
+ dev_WARN_ONCE(dev, pgmap->altmap && pgmap->altmap->alloc,
+@@ -360,9 +364,11 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
+ if (error)
+ goto err_pfn_remap;
+
++ lock_device_hotplug();
+ mem_hotplug_begin();
+ error = arch_add_memory(nid, align_start, align_size, true);
+ mem_hotplug_done();
++ unlock_device_hotplug();
+ if (error)
+ goto err_add_memory;
+
+diff --git a/kernel/signal.c b/kernel/signal.c
+index 75761acc77cf..0b1415720a15 100644
+--- a/kernel/signal.c
++++ b/kernel/signal.c
+@@ -3226,10 +3226,17 @@ int compat_restore_altstack(const compat_stack_t __user *uss)
+
+ int __compat_save_altstack(compat_stack_t __user *uss, unsigned long sp)
+ {
++ int err;
+ struct task_struct *t = current;
+- return __put_user(ptr_to_compat((void __user *)t->sas_ss_sp), &uss->ss_sp) |
+- __put_user(sas_ss_flags(sp), &uss->ss_flags) |
++ err = __put_user(ptr_to_compat((void __user *)t->sas_ss_sp),
++ &uss->ss_sp) |
++ __put_user(t->sas_ss_flags, &uss->ss_flags) |
+ __put_user(t->sas_ss_size, &uss->ss_size);
++ if (err)
++ return err;
++ if (t->sas_ss_flags & SS_AUTODISARM)
++ sas_ss_reset(t);
++ return 0;
+ }
+ #endif
+
+diff --git a/mm/filemap.c b/mm/filemap.c
+index d8d7df82c69a..edfb90e3830c 100644
+--- a/mm/filemap.c
++++ b/mm/filemap.c
+@@ -910,9 +910,12 @@ void page_endio(struct page *page, bool is_write, int err)
+ unlock_page(page);
+ } else {
+ if (err) {
++ struct address_space *mapping;
++
+ SetPageError(page);
+- if (page->mapping)
+- mapping_set_error(page->mapping, err);
++ mapping = page_mapping(page);
++ if (mapping)
++ mapping_set_error(mapping, err);
+ }
+ end_page_writeback(page);
+ }
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index f4a02e240fb6..1460e6ad5e14 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -2858,7 +2858,7 @@ bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
+ #ifdef CONFIG_NUMA
+ static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone)
+ {
+- return node_distance(zone_to_nid(local_zone), zone_to_nid(zone)) <
++ return node_distance(zone_to_nid(local_zone), zone_to_nid(zone)) <=
+ RECLAIM_DISTANCE;
+ }
+ #else /* CONFIG_NUMA */
+diff --git a/mm/vmpressure.c b/mm/vmpressure.c
+index 149fdf6c5c56..6063581f705c 100644
+--- a/mm/vmpressure.c
++++ b/mm/vmpressure.c
+@@ -112,9 +112,16 @@ static enum vmpressure_levels vmpressure_calc_level(unsigned long scanned,
+ unsigned long reclaimed)
+ {
+ unsigned long scale = scanned + reclaimed;
+- unsigned long pressure;
++ unsigned long pressure = 0;
+
+ /*
++ * reclaimed can be greater than scanned in cases
++ * like THP, where the scanned is 1 and reclaimed
++ * could be 512
++ */
++ if (reclaimed >= scanned)
++ goto out;
++ /*
+ * We calculate the ratio (in percents) of how many pages were
+ * scanned vs. reclaimed in a given time frame (window). Note that
+ * time is in VM reclaimer's "ticks", i.e. number of pages
+@@ -124,6 +131,7 @@ static enum vmpressure_levels vmpressure_calc_level(unsigned long scanned,
+ pressure = scale - (reclaimed * scale / scanned);
+ pressure = pressure * 100 / scale;
+
++out:
+ pr_debug("%s: %3lu (s: %lu r: %lu)\n", __func__, pressure,
+ scanned, reclaimed);
+
+diff --git a/mm/vmscan.c b/mm/vmscan.c
+index fa30010a5277..30a88b945a44 100644
+--- a/mm/vmscan.c
++++ b/mm/vmscan.c
+@@ -234,22 +234,39 @@ bool pgdat_reclaimable(struct pglist_data *pgdat)
+ pgdat_reclaimable_pages(pgdat) * 6;
+ }
+
+-unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru)
++/**
++ * lruvec_lru_size - Returns the number of pages on the given LRU list.
++ * @lruvec: lru vector
++ * @lru: lru to use
++ * @zone_idx: zones to consider (use MAX_NR_ZONES for the whole LRU list)
++ */
++unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru, int zone_idx)
+ {
++ unsigned long lru_size;
++ int zid;
++
+ if (!mem_cgroup_disabled())
+- return mem_cgroup_get_lru_size(lruvec, lru);
++ lru_size = mem_cgroup_get_lru_size(lruvec, lru);
++ else
++ lru_size = node_page_state(lruvec_pgdat(lruvec), NR_LRU_BASE + lru);
+
+- return node_page_state(lruvec_pgdat(lruvec), NR_LRU_BASE + lru);
+-}
++ for (zid = zone_idx + 1; zid < MAX_NR_ZONES; zid++) {
++ struct zone *zone = &lruvec_pgdat(lruvec)->node_zones[zid];
++ unsigned long size;
+
+-unsigned long lruvec_zone_lru_size(struct lruvec *lruvec, enum lru_list lru,
+- int zone_idx)
+-{
+- if (!mem_cgroup_disabled())
+- return mem_cgroup_get_zone_lru_size(lruvec, lru, zone_idx);
++ if (!managed_zone(zone))
++ continue;
++
++ if (!mem_cgroup_disabled())
++ size = mem_cgroup_get_zone_lru_size(lruvec, lru, zid);
++ else
++ size = zone_page_state(&lruvec_pgdat(lruvec)->node_zones[zid],
++ NR_ZONE_LRU_BASE + lru);
++ lru_size -= min(size, lru_size);
++ }
++
++ return lru_size;
+
+- return zone_page_state(&lruvec_pgdat(lruvec)->node_zones[zone_idx],
+- NR_ZONE_LRU_BASE + lru);
+ }
+
+ /*
+@@ -2028,11 +2045,10 @@ static bool inactive_list_is_low(struct lruvec *lruvec, bool file,
+ struct scan_control *sc)
+ {
+ unsigned long inactive_ratio;
+- unsigned long inactive;
+- unsigned long active;
++ unsigned long inactive, active;
++ enum lru_list inactive_lru = file * LRU_FILE;
++ enum lru_list active_lru = file * LRU_FILE + LRU_ACTIVE;
+ unsigned long gb;
+- struct pglist_data *pgdat = lruvec_pgdat(lruvec);
+- int zid;
+
+ /*
+ * If we don't have swap space, anonymous page deactivation
+@@ -2041,27 +2057,8 @@ static bool inactive_list_is_low(struct lruvec *lruvec, bool file,
+ if (!file && !total_swap_pages)
+ return false;
+
+- inactive = lruvec_lru_size(lruvec, file * LRU_FILE);
+- active = lruvec_lru_size(lruvec, file * LRU_FILE + LRU_ACTIVE);
+-
+- /*
+- * For zone-constrained allocations, it is necessary to check if
+- * deactivations are required for lowmem to be reclaimed. This
+- * calculates the inactive/active pages available in eligible zones.
+- */
+- for (zid = sc->reclaim_idx + 1; zid < MAX_NR_ZONES; zid++) {
+- struct zone *zone = &pgdat->node_zones[zid];
+- unsigned long inactive_zone, active_zone;
+-
+- if (!managed_zone(zone))
+- continue;
+-
+- inactive_zone = lruvec_zone_lru_size(lruvec, file * LRU_FILE, zid);
+- active_zone = lruvec_zone_lru_size(lruvec, (file * LRU_FILE) + LRU_ACTIVE, zid);
+-
+- inactive -= min(inactive, inactive_zone);
+- active -= min(active, active_zone);
+- }
++ inactive = lruvec_lru_size(lruvec, inactive_lru, sc->reclaim_idx);
++ active = lruvec_lru_size(lruvec, active_lru, sc->reclaim_idx);
+
+ gb = (inactive + active) >> (30 - PAGE_SHIFT);
+ if (gb)
+@@ -2208,7 +2205,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
+ * system is under heavy pressure.
+ */
+ if (!inactive_list_is_low(lruvec, true, sc) &&
+- lruvec_lru_size(lruvec, LRU_INACTIVE_FILE) >> sc->priority) {
++ lruvec_lru_size(lruvec, LRU_INACTIVE_FILE, sc->reclaim_idx) >> sc->priority) {
+ scan_balance = SCAN_FILE;
+ goto out;
+ }
+@@ -2234,10 +2231,10 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
+ * anon in [0], file in [1]
+ */
+
+- anon = lruvec_lru_size(lruvec, LRU_ACTIVE_ANON) +
+- lruvec_lru_size(lruvec, LRU_INACTIVE_ANON);
+- file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE) +
+- lruvec_lru_size(lruvec, LRU_INACTIVE_FILE);
++ anon = lruvec_lru_size(lruvec, LRU_ACTIVE_ANON, MAX_NR_ZONES) +
++ lruvec_lru_size(lruvec, LRU_INACTIVE_ANON, MAX_NR_ZONES);
++ file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE, MAX_NR_ZONES) +
++ lruvec_lru_size(lruvec, LRU_INACTIVE_FILE, MAX_NR_ZONES);
+
+ spin_lock_irq(&pgdat->lru_lock);
+ if (unlikely(reclaim_stat->recent_scanned[0] > anon / 4)) {
+@@ -2275,7 +2272,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
+ unsigned long size;
+ unsigned long scan;
+
+- size = lruvec_lru_size(lruvec, lru);
++ size = lruvec_lru_size(lruvec, lru, sc->reclaim_idx);
+ scan = size >> sc->priority;
+
+ if (!scan && pass && force_scan)
+diff --git a/mm/workingset.c b/mm/workingset.c
+index fb1f9183d89a..33f6f4db32fd 100644
+--- a/mm/workingset.c
++++ b/mm/workingset.c
+@@ -266,7 +266,7 @@ bool workingset_refault(void *shadow)
+ }
+ lruvec = mem_cgroup_lruvec(pgdat, memcg);
+ refault = atomic_long_read(&lruvec->inactive_age);
+- active_file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE);
++ active_file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE, MAX_NR_ZONES);
+ rcu_read_unlock();
+
+ /*
+diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
+index e6ae15bc41b7..0ffeb60cfe67 100644
+--- a/net/ceph/osd_client.c
++++ b/net/ceph/osd_client.c
+@@ -672,7 +672,8 @@ void osd_req_op_extent_update(struct ceph_osd_request *osd_req,
+ BUG_ON(length > previous);
+
+ op->extent.length = length;
+- op->indata_len -= previous - length;
++ if (op->op == CEPH_OSD_OP_WRITE || op->op == CEPH_OSD_OP_WRITEFULL)
++ op->indata_len -= previous - length;
+ }
+ EXPORT_SYMBOL(osd_req_op_extent_update);
+
+diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
+index 0f87e5d21be7..6bd150882ba4 100644
+--- a/net/netfilter/nf_conntrack_core.c
++++ b/net/netfilter/nf_conntrack_core.c
+@@ -85,11 +85,11 @@ static __read_mostly DEFINE_SPINLOCK(nf_conntrack_locks_all_lock);
+ static __read_mostly bool nf_conntrack_locks_all;
+
+ /* every gc cycle scans at most 1/GC_MAX_BUCKETS_DIV part of table */
+-#define GC_MAX_BUCKETS_DIV 64u
+-/* upper bound of scan intervals */
+-#define GC_INTERVAL_MAX (2 * HZ)
+-/* maximum conntracks to evict per gc run */
+-#define GC_MAX_EVICTS 256u
++#define GC_MAX_BUCKETS_DIV 128u
++/* upper bound of full table scan */
++#define GC_MAX_SCAN_JIFFIES (16u * HZ)
++/* desired ratio of entries found to be expired */
++#define GC_EVICT_RATIO 50u
+
+ static struct conntrack_gc_work conntrack_gc_work;
+
+@@ -938,6 +938,7 @@ static noinline int early_drop(struct net *net, unsigned int _hash)
+
+ static void gc_worker(struct work_struct *work)
+ {
++ unsigned int min_interval = max(HZ / GC_MAX_BUCKETS_DIV, 1u);
+ unsigned int i, goal, buckets = 0, expired_count = 0;
+ struct conntrack_gc_work *gc_work;
+ unsigned int ratio, scanned = 0;
+@@ -979,8 +980,7 @@ static void gc_worker(struct work_struct *work)
+ */
+ rcu_read_unlock();
+ cond_resched_rcu_qs();
+- } while (++buckets < goal &&
+- expired_count < GC_MAX_EVICTS);
++ } while (++buckets < goal);
+
+ if (gc_work->exiting)
+ return;
+@@ -997,27 +997,25 @@ static void gc_worker(struct work_struct *work)
+ * 1. Minimize time until we notice a stale entry
+ * 2. Maximize scan intervals to not waste cycles
+ *
+- * Normally, expired_count will be 0, this increases the next_run time
+- * to priorize 2) above.
++ * Normally, expire ratio will be close to 0.
+ *
+- * As soon as a timed-out entry is found, move towards 1) and increase
+- * the scan frequency.
+- * In case we have lots of evictions next scan is done immediately.
++ * As soon as a sizeable fraction of the entries have expired
++ * increase scan frequency.
+ */
+ ratio = scanned ? expired_count * 100 / scanned : 0;
+- if (ratio >= 90 || expired_count == GC_MAX_EVICTS) {
+- gc_work->next_gc_run = 0;
+- next_run = 0;
+- } else if (expired_count) {
+- gc_work->next_gc_run /= 2U;
+- next_run = msecs_to_jiffies(1);
++ if (ratio > GC_EVICT_RATIO) {
++ gc_work->next_gc_run = min_interval;
+ } else {
+- if (gc_work->next_gc_run < GC_INTERVAL_MAX)
+- gc_work->next_gc_run += msecs_to_jiffies(1);
++ unsigned int max = GC_MAX_SCAN_JIFFIES / GC_MAX_BUCKETS_DIV;
+
+- next_run = gc_work->next_gc_run;
++ BUILD_BUG_ON((GC_MAX_SCAN_JIFFIES / GC_MAX_BUCKETS_DIV) == 0);
++
++ gc_work->next_gc_run += min_interval;
++ if (gc_work->next_gc_run > max)
++ gc_work->next_gc_run = max;
+ }
+
++ next_run = gc_work->next_gc_run;
+ gc_work->last_bucket = i;
+ queue_delayed_work(system_long_wq, &gc_work->dwork, next_run);
+ }
+@@ -1025,7 +1023,7 @@ static void gc_worker(struct work_struct *work)
+ static void conntrack_gc_work_init(struct conntrack_gc_work *gc_work)
+ {
+ INIT_DELAYED_WORK(&gc_work->dwork, gc_worker);
+- gc_work->next_gc_run = GC_INTERVAL_MAX;
++ gc_work->next_gc_run = HZ;
+ gc_work->exiting = false;
+ }
+
+@@ -1918,7 +1916,7 @@ int nf_conntrack_init_start(void)
+ nf_ct_untracked_status_or(IPS_CONFIRMED | IPS_UNTRACKED);
+
+ conntrack_gc_work_init(&conntrack_gc_work);
+- queue_delayed_work(system_long_wq, &conntrack_gc_work.dwork, GC_INTERVAL_MAX);
++ queue_delayed_work(system_long_wq, &conntrack_gc_work.dwork, HZ);
+
+ return 0;
+
+diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
+index d987c2d3dd6e..f57c9f0ab8f9 100644
+--- a/net/sunrpc/xprtrdma/rpc_rdma.c
++++ b/net/sunrpc/xprtrdma/rpc_rdma.c
+@@ -125,14 +125,34 @@ void rpcrdma_set_max_header_sizes(struct rpcrdma_xprt *r_xprt)
+ /* The client can send a request inline as long as the RPCRDMA header
+ * plus the RPC call fit under the transport's inline limit. If the
+ * combined call message size exceeds that limit, the client must use
+- * the read chunk list for this operation.
++ * a Read chunk for this operation.
++ *
++ * A Read chunk is also required if sending the RPC call inline would
++ * exceed this device's max_sge limit.
+ */
+ static bool rpcrdma_args_inline(struct rpcrdma_xprt *r_xprt,
+ struct rpc_rqst *rqst)
+ {
+- struct rpcrdma_ia *ia = &r_xprt->rx_ia;
++ struct xdr_buf *xdr = &rqst->rq_snd_buf;
++ unsigned int count, remaining, offset;
++
++ if (xdr->len > r_xprt->rx_ia.ri_max_inline_write)
++ return false;
++
++ if (xdr->page_len) {
++ remaining = xdr->page_len;
++ offset = xdr->page_base & ~PAGE_MASK;
++ count = 0;
++ while (remaining) {
++ remaining -= min_t(unsigned int,
++ PAGE_SIZE - offset, remaining);
++ offset = 0;
++ if (++count > r_xprt->rx_ia.ri_max_send_sges)
++ return false;
++ }
++ }
+
+- return rqst->rq_snd_buf.len <= ia->ri_max_inline_write;
++ return true;
+ }
+
+ /* The client can't know how large the actual reply will be. Thus it
+@@ -186,9 +206,9 @@ rpcrdma_convert_kvec(struct kvec *vec, struct rpcrdma_mr_seg *seg, int n)
+ */
+
+ static int
+-rpcrdma_convert_iovs(struct xdr_buf *xdrbuf, unsigned int pos,
+- enum rpcrdma_chunktype type, struct rpcrdma_mr_seg *seg,
+- bool reminv_expected)
++rpcrdma_convert_iovs(struct rpcrdma_xprt *r_xprt, struct xdr_buf *xdrbuf,
++ unsigned int pos, enum rpcrdma_chunktype type,
++ struct rpcrdma_mr_seg *seg)
+ {
+ int len, n, p, page_base;
+ struct page **ppages;
+@@ -226,22 +246,21 @@ rpcrdma_convert_iovs(struct xdr_buf *xdrbuf, unsigned int pos,
+ if (len && n == RPCRDMA_MAX_SEGS)
+ goto out_overflow;
+
+- /* When encoding the read list, the tail is always sent inline */
+- if (type == rpcrdma_readch)
++ /* When encoding a Read chunk, the tail iovec contains an
++ * XDR pad and may be omitted.
++ */
++ if (type == rpcrdma_readch && r_xprt->rx_ia.ri_implicit_roundup)
+ return n;
+
+- /* When encoding the Write list, some servers need to see an extra
+- * segment for odd-length Write chunks. The upper layer provides
+- * space in the tail iovec for this purpose.
++ /* When encoding a Write chunk, some servers need to see an
++ * extra segment for non-XDR-aligned Write chunks. The upper
++ * layer provides space in the tail iovec that may be used
++ * for this purpose.
+ */
+- if (type == rpcrdma_writech && reminv_expected)
++ if (type == rpcrdma_writech && r_xprt->rx_ia.ri_implicit_roundup)
+ return n;
+
+ if (xdrbuf->tail[0].iov_len) {
+- /* the rpcrdma protocol allows us to omit any trailing
+- * xdr pad bytes, saving the server an RDMA operation. */
+- if (xdrbuf->tail[0].iov_len < 4 && xprt_rdma_pad_optimize)
+- return n;
+ n = rpcrdma_convert_kvec(&xdrbuf->tail[0], seg, n);
+ if (n == RPCRDMA_MAX_SEGS)
+ goto out_overflow;
+@@ -293,7 +312,8 @@ rpcrdma_encode_read_list(struct rpcrdma_xprt *r_xprt,
+ if (rtype == rpcrdma_areadch)
+ pos = 0;
+ seg = req->rl_segments;
+- nsegs = rpcrdma_convert_iovs(&rqst->rq_snd_buf, pos, rtype, seg, false);
++ nsegs = rpcrdma_convert_iovs(r_xprt, &rqst->rq_snd_buf, pos,
++ rtype, seg);
+ if (nsegs < 0)
+ return ERR_PTR(nsegs);
+
+@@ -355,10 +375,9 @@ rpcrdma_encode_write_list(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
+ }
+
+ seg = req->rl_segments;
+- nsegs = rpcrdma_convert_iovs(&rqst->rq_rcv_buf,
++ nsegs = rpcrdma_convert_iovs(r_xprt, &rqst->rq_rcv_buf,
+ rqst->rq_rcv_buf.head[0].iov_len,
+- wtype, seg,
+- r_xprt->rx_ia.ri_reminv_expected);
++ wtype, seg);
+ if (nsegs < 0)
+ return ERR_PTR(nsegs);
+
+@@ -423,8 +442,7 @@ rpcrdma_encode_reply_chunk(struct rpcrdma_xprt *r_xprt,
+ }
+
+ seg = req->rl_segments;
+- nsegs = rpcrdma_convert_iovs(&rqst->rq_rcv_buf, 0, wtype, seg,
+- r_xprt->rx_ia.ri_reminv_expected);
++ nsegs = rpcrdma_convert_iovs(r_xprt, &rqst->rq_rcv_buf, 0, wtype, seg);
+ if (nsegs < 0)
+ return ERR_PTR(nsegs);
+
+diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
+index ed5e285fd2ea..fa324fe73946 100644
+--- a/net/sunrpc/xprtrdma/transport.c
++++ b/net/sunrpc/xprtrdma/transport.c
+@@ -67,7 +67,7 @@ unsigned int xprt_rdma_max_inline_read = RPCRDMA_DEF_INLINE;
+ static unsigned int xprt_rdma_max_inline_write = RPCRDMA_DEF_INLINE;
+ static unsigned int xprt_rdma_inline_write_padding;
+ static unsigned int xprt_rdma_memreg_strategy = RPCRDMA_FRMR;
+- int xprt_rdma_pad_optimize = 1;
++ int xprt_rdma_pad_optimize = 0;
+
+ #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
+
+diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
+index 8da7f6a4dfc3..e2c37061edbe 100644
+--- a/net/sunrpc/xprtrdma/verbs.c
++++ b/net/sunrpc/xprtrdma/verbs.c
+@@ -208,6 +208,7 @@ rpcrdma_update_connect_private(struct rpcrdma_xprt *r_xprt,
+
+ /* Default settings for RPC-over-RDMA Version One */
+ r_xprt->rx_ia.ri_reminv_expected = false;
++ r_xprt->rx_ia.ri_implicit_roundup = xprt_rdma_pad_optimize;
+ rsize = RPCRDMA_V1_DEF_INLINE_SIZE;
+ wsize = RPCRDMA_V1_DEF_INLINE_SIZE;
+
+@@ -215,6 +216,7 @@ rpcrdma_update_connect_private(struct rpcrdma_xprt *r_xprt,
+ pmsg->cp_magic == rpcrdma_cmp_magic &&
+ pmsg->cp_version == RPCRDMA_CMP_VERSION) {
+ r_xprt->rx_ia.ri_reminv_expected = true;
++ r_xprt->rx_ia.ri_implicit_roundup = true;
+ rsize = rpcrdma_decode_buffer_size(pmsg->cp_send_size);
+ wsize = rpcrdma_decode_buffer_size(pmsg->cp_recv_size);
+ }
+@@ -477,18 +479,19 @@ rpcrdma_ia_close(struct rpcrdma_ia *ia)
+ */
+ int
+ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
+- struct rpcrdma_create_data_internal *cdata)
++ struct rpcrdma_create_data_internal *cdata)
+ {
+ struct rpcrdma_connect_private *pmsg = &ep->rep_cm_private;
++ unsigned int max_qp_wr, max_sge;
+ struct ib_cq *sendcq, *recvcq;
+- unsigned int max_qp_wr;
+ int rc;
+
+- if (ia->ri_device->attrs.max_sge < RPCRDMA_MAX_SEND_SGES) {
+- dprintk("RPC: %s: insufficient sge's available\n",
+- __func__);
++ max_sge = min(ia->ri_device->attrs.max_sge, RPCRDMA_MAX_SEND_SGES);
++ if (max_sge < RPCRDMA_MIN_SEND_SGES) {
++ pr_warn("rpcrdma: HCA provides only %d send SGEs\n", max_sge);
+ return -ENOMEM;
+ }
++ ia->ri_max_send_sges = max_sge - RPCRDMA_MIN_SEND_SGES;
+
+ if (ia->ri_device->attrs.max_qp_wr <= RPCRDMA_BACKWARD_WRS) {
+ dprintk("RPC: %s: insufficient wqe's available\n",
+@@ -513,7 +516,7 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
+ ep->rep_attr.cap.max_recv_wr = cdata->max_requests;
+ ep->rep_attr.cap.max_recv_wr += RPCRDMA_BACKWARD_WRS;
+ ep->rep_attr.cap.max_recv_wr += 1; /* drain cqe */
+- ep->rep_attr.cap.max_send_sge = RPCRDMA_MAX_SEND_SGES;
++ ep->rep_attr.cap.max_send_sge = max_sge;
+ ep->rep_attr.cap.max_recv_sge = 1;
+ ep->rep_attr.cap.max_inline_data = 0;
+ ep->rep_attr.sq_sig_type = IB_SIGNAL_REQ_WR;
+diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
+index f6ae1b22da47..48989d5b2883 100644
+--- a/net/sunrpc/xprtrdma/xprt_rdma.h
++++ b/net/sunrpc/xprtrdma/xprt_rdma.h
+@@ -74,7 +74,9 @@ struct rpcrdma_ia {
+ unsigned int ri_max_frmr_depth;
+ unsigned int ri_max_inline_write;
+ unsigned int ri_max_inline_read;
++ unsigned int ri_max_send_sges;
+ bool ri_reminv_expected;
++ bool ri_implicit_roundup;
+ struct ib_qp_attr ri_qp_attr;
+ struct ib_qp_init_attr ri_qp_init_attr;
+ };
+@@ -309,6 +311,7 @@ struct rpcrdma_mr_seg { /* chunk descriptors */
+ * - xdr_buf tail iovec
+ */
+ enum {
++ RPCRDMA_MIN_SEND_SGES = 3,
+ RPCRDMA_MAX_SEND_PAGES = PAGE_SIZE + RPCRDMA_MAX_INLINE - 1,
+ RPCRDMA_MAX_PAGE_SGES = (RPCRDMA_MAX_SEND_PAGES >> PAGE_SHIFT) + 1,
+ RPCRDMA_MAX_SEND_SGES = 1 + 1 + RPCRDMA_MAX_PAGE_SGES + 1,
+diff --git a/samples/seccomp/bpf-helper.h b/samples/seccomp/bpf-helper.h
+index 38ee70f3cd5b..1d8de9edd858 100644
+--- a/samples/seccomp/bpf-helper.h
++++ b/samples/seccomp/bpf-helper.h
+@@ -138,7 +138,7 @@ union arg64 {
+ #define ARG_32(idx) \
+ BPF_STMT(BPF_LD+BPF_W+BPF_ABS, LO_ARG(idx))
+
+-/* Loads hi into A and lo in X */
++/* Loads lo into M[0] and hi into M[1] and A */
+ #define ARG_64(idx) \
+ BPF_STMT(BPF_LD+BPF_W+BPF_ABS, LO_ARG(idx)), \
+ BPF_STMT(BPF_ST, 0), /* lo -> M[0] */ \
+@@ -153,88 +153,107 @@ union arg64 {
+ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (value), 1, 0), \
+ jt
+
+-/* Checks the lo, then swaps to check the hi. A=lo,X=hi */
++#define JA32(value, jt) \
++ BPF_JUMP(BPF_JMP+BPF_JSET+BPF_K, (value), 0, 1), \
++ jt
++
++#define JGE32(value, jt) \
++ BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (value), 0, 1), \
++ jt
++
++#define JGT32(value, jt) \
++ BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (value), 0, 1), \
++ jt
++
++#define JLE32(value, jt) \
++ BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (value), 1, 0), \
++ jt
++
++#define JLT32(value, jt) \
++ BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (value), 1, 0), \
++ jt
++
++/*
++ * All the JXX64 checks assume lo is saved in M[0] and hi is saved in both
++ * A and M[1]. This invariant is kept by restoring A if necessary.
++ */
+ #define JEQ64(lo, hi, jt) \
++ /* if (hi != arg.hi) goto NOMATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 5), \
+ BPF_STMT(BPF_LD+BPF_MEM, 0), /* swap in lo */ \
++ /* if (lo != arg.lo) goto NOMATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (lo), 0, 2), \
+- BPF_STMT(BPF_LD+BPF_MEM, 1), /* passed: swap hi back in */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 1), \
+ jt, \
+- BPF_STMT(BPF_LD+BPF_MEM, 1) /* failed: swap hi back in */
++ BPF_STMT(BPF_LD+BPF_MEM, 1)
+
+ #define JNE64(lo, hi, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 5, 0), \
+- BPF_STMT(BPF_LD+BPF_MEM, 0), /* swap in lo */ \
++ /* if (hi != arg.hi) goto MATCH; */ \
++ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 3), \
++ BPF_STMT(BPF_LD+BPF_MEM, 0), \
++ /* if (lo != arg.lo) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (lo), 2, 0), \
+- BPF_STMT(BPF_LD+BPF_MEM, 1), /* passed: swap hi back in */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 1), \
+ jt, \
+- BPF_STMT(BPF_LD+BPF_MEM, 1) /* failed: swap hi back in */
+-
+-#define JA32(value, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JSET+BPF_K, (value), 0, 1), \
+- jt
++ BPF_STMT(BPF_LD+BPF_MEM, 1)
+
+ #define JA64(lo, hi, jt) \
++ /* if (hi & arg.hi) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JSET+BPF_K, (hi), 3, 0), \
+- BPF_STMT(BPF_LD+BPF_MEM, 0), /* swap in lo */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 0), \
++ /* if (lo & arg.lo) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JSET+BPF_K, (lo), 0, 2), \
+- BPF_STMT(BPF_LD+BPF_MEM, 1), /* passed: swap hi back in */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 1), \
+ jt, \
+- BPF_STMT(BPF_LD+BPF_MEM, 1) /* failed: swap hi back in */
++ BPF_STMT(BPF_LD+BPF_MEM, 1)
+
+-#define JGE32(value, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (value), 0, 1), \
+- jt
+-
+-#define JLT32(value, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (value), 1, 0), \
+- jt
+-
+-/* Shortcut checking if hi > arg.hi. */
+ #define JGE64(lo, hi, jt) \
++ /* if (hi > arg.hi) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (hi), 4, 0), \
++ /* if (hi != arg.hi) goto NOMATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 5), \
+- BPF_STMT(BPF_LD+BPF_MEM, 0), /* swap in lo */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 0), \
++ /* if (lo >= arg.lo) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (lo), 0, 2), \
+- BPF_STMT(BPF_LD+BPF_MEM, 1), /* passed: swap hi back in */ \
+- jt, \
+- BPF_STMT(BPF_LD+BPF_MEM, 1) /* failed: swap hi back in */
+-
+-#define JLT64(lo, hi, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (hi), 0, 4), \
+- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 5), \
+- BPF_STMT(BPF_LD+BPF_MEM, 0), /* swap in lo */ \
+- BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (lo), 2, 0), \
+- BPF_STMT(BPF_LD+BPF_MEM, 1), /* passed: swap hi back in */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 1), \
+ jt, \
+- BPF_STMT(BPF_LD+BPF_MEM, 1) /* failed: swap hi back in */
++ BPF_STMT(BPF_LD+BPF_MEM, 1)
+
+-#define JGT32(value, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (value), 0, 1), \
+- jt
+-
+-#define JLE32(value, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (value), 1, 0), \
+- jt
+-
+-/* Check hi > args.hi first, then do the GE checking */
+ #define JGT64(lo, hi, jt) \
++ /* if (hi > arg.hi) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (hi), 4, 0), \
++ /* if (hi != arg.hi) goto NOMATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 5), \
+- BPF_STMT(BPF_LD+BPF_MEM, 0), /* swap in lo */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 0), \
++ /* if (lo > arg.lo) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (lo), 0, 2), \
+- BPF_STMT(BPF_LD+BPF_MEM, 1), /* passed: swap hi back in */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 1), \
+ jt, \
+- BPF_STMT(BPF_LD+BPF_MEM, 1) /* failed: swap hi back in */
++ BPF_STMT(BPF_LD+BPF_MEM, 1)
+
+ #define JLE64(lo, hi, jt) \
+- BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (hi), 6, 0), \
+- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 3), \
+- BPF_STMT(BPF_LD+BPF_MEM, 0), /* swap in lo */ \
++ /* if (hi < arg.hi) goto MATCH; */ \
++ BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (hi), 0, 4), \
++ /* if (hi != arg.hi) goto NOMATCH; */ \
++ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 5), \
++ BPF_STMT(BPF_LD+BPF_MEM, 0), \
++ /* if (lo <= arg.lo) goto MATCH; */ \
+ BPF_JUMP(BPF_JMP+BPF_JGT+BPF_K, (lo), 2, 0), \
+- BPF_STMT(BPF_LD+BPF_MEM, 1), /* passed: swap hi back in */ \
++ BPF_STMT(BPF_LD+BPF_MEM, 1), \
++ jt, \
++ BPF_STMT(BPF_LD+BPF_MEM, 1)
++
++#define JLT64(lo, hi, jt) \
++ /* if (hi < arg.hi) goto MATCH; */ \
++ BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (hi), 0, 4), \
++ /* if (hi != arg.hi) goto NOMATCH; */ \
++ BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (hi), 0, 5), \
++ BPF_STMT(BPF_LD+BPF_MEM, 0), \
++ /* if (lo < arg.lo) goto MATCH; */ \
++ BPF_JUMP(BPF_JMP+BPF_JGE+BPF_K, (lo), 2, 0), \
++ BPF_STMT(BPF_LD+BPF_MEM, 1), \
+ jt, \
+- BPF_STMT(BPF_LD+BPF_MEM, 1) /* failed: swap hi back in */
++ BPF_STMT(BPF_LD+BPF_MEM, 1)
+
+ #define LOAD_SYSCALL_NR \
+ BPF_STMT(BPF_LD+BPF_W+BPF_ABS, \
+diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
+index db25f54a04fe..df7834aa1b8f 100644
+--- a/security/integrity/ima/ima.h
++++ b/security/integrity/ima/ima.h
+@@ -173,7 +173,7 @@ int ima_store_template(struct ima_template_entry *entry, int violation,
+ struct inode *inode,
+ const unsigned char *filename, int pcr);
+ void ima_free_template_entry(struct ima_template_entry *entry);
+-const char *ima_d_path(const struct path *path, char **pathbuf);
++const char *ima_d_path(const struct path *path, char **pathbuf, char *filename);
+
+ /* IMA policy related functions */
+ int ima_match_policy(struct inode *inode, enum ima_hooks func, int mask,
+diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
+index 9df26a2b75ba..d01a52f8f708 100644
+--- a/security/integrity/ima/ima_api.c
++++ b/security/integrity/ima/ima_api.c
+@@ -318,7 +318,17 @@ void ima_audit_measurement(struct integrity_iint_cache *iint,
+ iint->flags |= IMA_AUDITED;
+ }
+
+-const char *ima_d_path(const struct path *path, char **pathbuf)
++/*
++ * ima_d_path - return a pointer to the full pathname
++ *
++ * Attempt to return a pointer to the full pathname for use in the
++ * IMA measurement list, IMA audit records, and auditing logs.
++ *
++ * On failure, return a pointer to a copy of the filename, not dname.
++ * Returning a pointer to dname, could result in using the pointer
++ * after the memory has been freed.
++ */
++const char *ima_d_path(const struct path *path, char **pathbuf, char *namebuf)
+ {
+ char *pathname = NULL;
+
+@@ -331,5 +341,11 @@ const char *ima_d_path(const struct path *path, char **pathbuf)
+ pathname = NULL;
+ }
+ }
+- return pathname ?: (const char *)path->dentry->d_name.name;
++
++ if (!pathname) {
++ strlcpy(namebuf, path->dentry->d_name.name, NAME_MAX);
++ pathname = namebuf;
++ }
++
++ return pathname;
+ }
+diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
+index 423d111b3b94..0e8762945e79 100644
+--- a/security/integrity/ima/ima_main.c
++++ b/security/integrity/ima/ima_main.c
+@@ -83,6 +83,7 @@ static void ima_rdwr_violation_check(struct file *file,
+ const char **pathname)
+ {
+ struct inode *inode = file_inode(file);
++ char filename[NAME_MAX];
+ fmode_t mode = file->f_mode;
+ bool send_tomtou = false, send_writers = false;
+
+@@ -102,7 +103,7 @@ static void ima_rdwr_violation_check(struct file *file,
+ if (!send_tomtou && !send_writers)
+ return;
+
+- *pathname = ima_d_path(&file->f_path, pathbuf);
++ *pathname = ima_d_path(&file->f_path, pathbuf, filename);
+
+ if (send_tomtou)
+ ima_add_violation(file, *pathname, iint,
+@@ -161,6 +162,7 @@ static int process_measurement(struct file *file, char *buf, loff_t size,
+ struct integrity_iint_cache *iint = NULL;
+ struct ima_template_desc *template_desc;
+ char *pathbuf = NULL;
++ char filename[NAME_MAX];
+ const char *pathname = NULL;
+ int rc = -ENOMEM, action, must_appraise;
+ int pcr = CONFIG_IMA_MEASURE_PCR_IDX;
+@@ -239,8 +241,8 @@ static int process_measurement(struct file *file, char *buf, loff_t size,
+ goto out_digsig;
+ }
+
+- if (!pathname) /* ima_rdwr_violation possibly pre-fetched */
+- pathname = ima_d_path(&file->f_path, &pathbuf);
++ if (!pathbuf) /* ima_rdwr_violation possibly pre-fetched */
++ pathname = ima_d_path(&file->f_path, &pathbuf, filename);
+
+ if (action & IMA_MEASURE)
+ ima_store_measurement(iint, file, pathname,
+diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c
+index 1d5acbe0c08b..86240d02b530 100644
+--- a/sound/core/seq/seq_fifo.c
++++ b/sound/core/seq/seq_fifo.c
+@@ -135,6 +135,7 @@ int snd_seq_fifo_event_in(struct snd_seq_fifo *f,
+ f->tail = cell;
+ if (f->head == NULL)
+ f->head = cell;
++ cell->next = NULL;
+ f->cells++;
+ spin_unlock_irqrestore(&f->lock, flags);
+
+@@ -214,6 +215,8 @@ void snd_seq_fifo_cell_putback(struct snd_seq_fifo *f,
+ spin_lock_irqsave(&f->lock, flags);
+ cell->next = f->head;
+ f->head = cell;
++ if (!f->tail)
++ f->tail = cell;
+ f->cells++;
+ spin_unlock_irqrestore(&f->lock, flags);
+ }
+diff --git a/sound/core/timer.c b/sound/core/timer.c
+index fc144f43faa6..ad153149b231 100644
+--- a/sound/core/timer.c
++++ b/sound/core/timer.c
+@@ -1702,9 +1702,21 @@ static int snd_timer_user_params(struct file *file,
+ return -EBADFD;
+ if (copy_from_user(¶ms, _params, sizeof(params)))
+ return -EFAULT;
+- if (!(t->hw.flags & SNDRV_TIMER_HW_SLAVE) && params.ticks < 1) {
+- err = -EINVAL;
+- goto _end;
++ if (!(t->hw.flags & SNDRV_TIMER_HW_SLAVE)) {
++ u64 resolution;
++
++ if (params.ticks < 1) {
++ err = -EINVAL;
++ goto _end;
++ }
++
++ /* Don't allow resolution less than 1ms */
++ resolution = snd_timer_resolution(tu->timeri);
++ resolution *= params.ticks;
++ if (resolution < 1000000) {
++ err = -EINVAL;
++ goto _end;
++ }
+ }
+ if (params.queue_size > 0 &&
+ (params.queue_size < 32 || params.queue_size > 1024)) {
+diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c
+index 9667cbfb0ca2..ab4cdab5cfa5 100644
+--- a/sound/pci/ctxfi/cthw20k1.c
++++ b/sound/pci/ctxfi/cthw20k1.c
+@@ -27,12 +27,6 @@
+ #include "cthw20k1.h"
+ #include "ct20k1reg.h"
+
+-#if BITS_PER_LONG == 32
+-#define CT_XFI_DMA_MASK DMA_BIT_MASK(32) /* 32 bit PTE */
+-#else
+-#define CT_XFI_DMA_MASK DMA_BIT_MASK(64) /* 64 bit PTE */
+-#endif
+-
+ struct hw20k1 {
+ struct hw hw;
+ spinlock_t reg_20k1_lock;
+@@ -1904,19 +1898,18 @@ static int hw_card_start(struct hw *hw)
+ {
+ int err;
+ struct pci_dev *pci = hw->pci;
++ const unsigned int dma_bits = BITS_PER_LONG;
+
+ err = pci_enable_device(pci);
+ if (err < 0)
+ return err;
+
+ /* Set DMA transfer mask */
+- if (dma_set_mask(&pci->dev, CT_XFI_DMA_MASK) < 0 ||
+- dma_set_coherent_mask(&pci->dev, CT_XFI_DMA_MASK) < 0) {
+- dev_err(hw->card->dev,
+- "architecture does not support PCI busmaster DMA with mask 0x%llx\n",
+- CT_XFI_DMA_MASK);
+- err = -ENXIO;
+- goto error1;
++ if (dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
++ dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
++ } else {
++ dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
++ dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
+ }
+
+ if (!hw->io_base) {
+diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
+index 6414ecf93efa..18ee7768b7c4 100644
+--- a/sound/pci/ctxfi/cthw20k2.c
++++ b/sound/pci/ctxfi/cthw20k2.c
+@@ -26,12 +26,6 @@
+ #include "cthw20k2.h"
+ #include "ct20k2reg.h"
+
+-#if BITS_PER_LONG == 32
+-#define CT_XFI_DMA_MASK DMA_BIT_MASK(32) /* 32 bit PTE */
+-#else
+-#define CT_XFI_DMA_MASK DMA_BIT_MASK(64) /* 64 bit PTE */
+-#endif
+-
+ struct hw20k2 {
+ struct hw hw;
+ /* for i2c */
+@@ -2029,19 +2023,18 @@ static int hw_card_start(struct hw *hw)
+ int err = 0;
+ struct pci_dev *pci = hw->pci;
+ unsigned int gctl;
++ const unsigned int dma_bits = BITS_PER_LONG;
+
+ err = pci_enable_device(pci);
+ if (err < 0)
+ return err;
+
+ /* Set DMA transfer mask */
+- if (dma_set_mask(&pci->dev, CT_XFI_DMA_MASK) < 0 ||
+- dma_set_coherent_mask(&pci->dev, CT_XFI_DMA_MASK) < 0) {
+- dev_err(hw->card->dev,
+- "architecture does not support PCI busmaster DMA with mask 0x%llx\n",
+- CT_XFI_DMA_MASK);
+- err = -ENXIO;
+- goto error1;
++ if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
++ dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
++ } else {
++ dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
++ dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
+ }
+
+ if (!hw->io_base) {
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
+index c64d986009a9..bc4462694aaf 100644
+--- a/sound/pci/hda/hda_intel.c
++++ b/sound/pci/hda/hda_intel.c
+@@ -2197,9 +2197,9 @@ static const struct pci_device_id azx_ids[] = {
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
+ /* Lewisburg */
+ { PCI_DEVICE(0x8086, 0xa1f0),
+- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
++ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
+ { PCI_DEVICE(0x8086, 0xa270),
+- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
++ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
+ /* Lynx Point-LP */
+ { PCI_DEVICE(0x8086, 0x9c20),
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 758ac86a1d3a..0c62b1d8c11b 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -5577,6 +5577,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1028, 0x0725, "Dell Inspiron 3162", ALC255_FIXUP_DELL_SPK_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x075b, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x075d, "Dell AIO", ALC298_FIXUP_SPK_VOLUME),
++ SND_PCI_QUIRK(0x1028, 0x0798, "Dell Inspiron 17 7000 Gaming", ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER),
+ SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),
+@@ -5692,6 +5693,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC292_FIXUP_TPT460),
+ SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+ SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
++ SND_PCI_QUIRK(0x17aa, 0x3112, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+ SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
+ SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
+ SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
+@@ -6065,6 +6067,12 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
+ SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
+ ALC298_STANDARD_PINS,
+ {0x17, 0x90170150}),
++ SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_SPK_VOLUME,
++ {0x12, 0xb7a60140},
++ {0x13, 0xb7a60150},
++ {0x17, 0x90170110},
++ {0x1a, 0x03011020},
++ {0x21, 0x03211030}),
+ {}
+ };
+
+diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
+index ae58b493af45..ecf6236f3b5f 100644
+--- a/tools/perf/util/callchain.c
++++ b/tools/perf/util/callchain.c
+@@ -437,7 +437,7 @@ fill_node(struct callchain_node *node, struct callchain_cursor *cursor)
+ }
+ call->ip = cursor_node->ip;
+ call->ms.sym = cursor_node->sym;
+- call->ms.map = cursor_node->map;
++ call->ms.map = map__get(cursor_node->map);
+ list_add_tail(&call->list, &node->val);
+
+ callchain_cursor_advance(cursor);
+@@ -462,6 +462,7 @@ add_child(struct callchain_node *parent,
+
+ list_for_each_entry_safe(call, tmp, &new->val, list) {
+ list_del(&call->list);
++ map__zput(call->ms.map);
+ free(call);
+ }
+ free(new);
+@@ -730,6 +731,7 @@ merge_chain_branch(struct callchain_cursor *cursor,
+ callchain_cursor_append(cursor, list->ip,
+ list->ms.map, list->ms.sym);
+ list_del(&list->list);
++ map__zput(list->ms.map);
+ free(list);
+ }
+
+@@ -778,7 +780,8 @@ int callchain_cursor_append(struct callchain_cursor *cursor,
+ }
+
+ node->ip = ip;
+- node->map = map;
++ map__zput(node->map);
++ node->map = map__get(map);
+ node->sym = sym;
+
+ cursor->nr++;
+@@ -945,11 +948,13 @@ static void free_callchain_node(struct callchain_node *node)
+
+ list_for_each_entry_safe(list, tmp, &node->parent_val, list) {
+ list_del(&list->list);
++ map__zput(list->ms.map);
+ free(list);
+ }
+
+ list_for_each_entry_safe(list, tmp, &node->val, list) {
+ list_del(&list->list);
++ map__zput(list->ms.map);
+ free(list);
+ }
+
+@@ -1013,6 +1018,7 @@ int callchain_node__make_parent_list(struct callchain_node *node)
+ goto out;
+ *new = *chain;
+ new->has_children = false;
++ map__get(new->ms.map);
+ list_add_tail(&new->list, &head);
+ }
+ parent = parent->parent;
+@@ -1033,6 +1039,7 @@ int callchain_node__make_parent_list(struct callchain_node *node)
+ out:
+ list_for_each_entry_safe(chain, new, &head, list) {
+ list_del(&chain->list);
++ map__zput(chain->ms.map);
+ free(chain);
+ }
+ return -ENOMEM;
+diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
+index 47cfd1080975..b7cbabb3931f 100644
+--- a/tools/perf/util/callchain.h
++++ b/tools/perf/util/callchain.h
+@@ -5,6 +5,7 @@
+ #include <linux/list.h>
+ #include <linux/rbtree.h>
+ #include "event.h"
++#include "map.h"
+ #include "symbol.h"
+
+ #define HELP_PAD "\t\t\t\t"
+@@ -174,8 +175,13 @@ int callchain_merge(struct callchain_cursor *cursor,
+ */
+ static inline void callchain_cursor_reset(struct callchain_cursor *cursor)
+ {
++ struct callchain_cursor_node *node;
++
+ cursor->nr = 0;
+ cursor->last = &cursor->first;
++
++ for (node = cursor->first; node != NULL; node = node->next)
++ map__zput(node->map);
+ }
+
+ int callchain_cursor_append(struct callchain_cursor *cursor, u64 ip,
+diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
+index a69f027368ef..10849a079026 100644
+--- a/tools/perf/util/hist.c
++++ b/tools/perf/util/hist.c
+@@ -1,6 +1,7 @@
+ #include "util.h"
+ #include "build-id.h"
+ #include "hist.h"
++#include "map.h"
+ #include "session.h"
+ #include "sort.h"
+ #include "evlist.h"
+@@ -1019,6 +1020,10 @@ int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
+ int max_stack_depth, void *arg)
+ {
+ int err, err2;
++ struct map *alm = NULL;
++
++ if (al && al->map)
++ alm = map__get(al->map);
+
+ err = sample__resolve_callchain(iter->sample, &callchain_cursor, &iter->parent,
+ iter->evsel, al, max_stack_depth);
+@@ -1058,6 +1063,8 @@ int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
+ if (!err)
+ err = err2;
+
++ map__put(alm);
++
+ return err;
+ }
+
+diff --git a/virt/kvm/arm/vgic/vgic-irqfd.c b/virt/kvm/arm/vgic/vgic-irqfd.c
+index d918dcf26a5a..f138ed2e9c63 100644
+--- a/virt/kvm/arm/vgic/vgic-irqfd.c
++++ b/virt/kvm/arm/vgic/vgic-irqfd.c
+@@ -99,6 +99,9 @@ int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
+ if (!vgic_has_its(kvm))
+ return -ENODEV;
+
++ if (!level)
++ return -1;
++
+ return vgic_its_inject_msi(kvm, &msi);
+ }
+
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