[gentoo-commits] proj/linux-patches:4.14 commit in: /

[Mike Pagano]

commit:     aec749e76d0ff102281e67c557ca37523aeaaaec
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat Feb  3 21:21:20 2018 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat Feb  3 21:21:20 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=aec749e7

Linux patch 4.14.17

 0000_README              |    8 +
 1016_linux-4.14.17.patch | 5960 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 5968 insertions(+)

diff --git a/0000_README b/0000_README
index 8311794..a02a4f5 100644
--- a/0000_README
+++ b/0000_README
@@ -107,6 +107,14 @@ Patch:  1015_linux-4.14.16.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.14.16
 
+Patch:  1016_linux-4.14.17.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.14.17
+
+Patch:  1017_linux-4.14.18.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.14.18
+
 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/1016_linux-4.14.17.patch b/1016_linux-4.14.17.patch
new file mode 100644
index 0000000..8d3dee3
--- /dev/null
+++ b/1016_linux-4.14.17.patch
@@ -0,0 +1,5960 @@
+diff --git a/Makefile b/Makefile
+index 90a4bffa8446..7ed993896dd5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 16
++SUBLEVEL = 17
+ EXTRAVERSION =
+ NAME = Petit Gorille
+ 
+diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
+index dff66974feed..d5f5e92e7488 100644
+--- a/arch/arm/boot/dts/bcm-nsp.dtsi
++++ b/arch/arm/boot/dts/bcm-nsp.dtsi
+@@ -85,7 +85,7 @@
+ 		timer@20200 {
+ 			compatible = "arm,cortex-a9-global-timer";
+ 			reg = <0x20200 0x100>;
+-			interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
++			interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>;
+ 			clocks = <&periph_clk>;
+ 		};
+ 
+@@ -93,7 +93,7 @@
+ 			compatible = "arm,cortex-a9-twd-timer";
+ 			reg = <0x20600 0x20>;
+ 			interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
+-						  IRQ_TYPE_LEVEL_HIGH)>;
++						  IRQ_TYPE_EDGE_RISING)>;
+ 			clocks = <&periph_clk>;
+ 		};
+ 
+diff --git a/arch/arm/boot/dts/bcm958623hr.dts b/arch/arm/boot/dts/bcm958623hr.dts
+index 3bc50849d013..b8bde13de90a 100644
+--- a/arch/arm/boot/dts/bcm958623hr.dts
++++ b/arch/arm/boot/dts/bcm958623hr.dts
+@@ -141,10 +141,6 @@
+ 	status = "okay";
+ };
+ 
+-&sata {
+-	status = "okay";
+-};
+-
+ &qspi {
+ 	bspi-sel = <0>;
+ 	flash: m25p80@0 {
+diff --git a/arch/arm/boot/dts/bcm958625hr.dts b/arch/arm/boot/dts/bcm958625hr.dts
+index d94d14b3c745..6a44b8021702 100644
+--- a/arch/arm/boot/dts/bcm958625hr.dts
++++ b/arch/arm/boot/dts/bcm958625hr.dts
+@@ -177,10 +177,6 @@
+ 	status = "okay";
+ };
+ 
+-&sata {
+-	status = "okay";
+-};
+-
+ &srab {
+ 	compatible = "brcm,bcm58625-srab", "brcm,nsp-srab";
+ 	status = "okay";
+diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
+index d535edc01434..75fdeaa8c62f 100644
+--- a/arch/mips/kvm/mips.c
++++ b/arch/mips/kvm/mips.c
+@@ -445,10 +445,8 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
+ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+ {
+ 	int r = -EINTR;
+-	sigset_t sigsaved;
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
++	kvm_sigset_activate(vcpu);
+ 
+ 	if (vcpu->mmio_needed) {
+ 		if (!vcpu->mmio_is_write)
+@@ -480,8 +478,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+ 	local_irq_enable();
+ 
+ out:
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
++	kvm_sigset_deactivate(vcpu);
+ 
+ 	return r;
+ }
+diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
+index ee279c7f4802..2b02d51d14d8 100644
+--- a/arch/powerpc/kvm/powerpc.c
++++ b/arch/powerpc/kvm/powerpc.c
+@@ -1407,7 +1407,6 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
+ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+ {
+ 	int r;
+-	sigset_t sigsaved;
+ 
+ 	if (vcpu->mmio_needed) {
+ 		vcpu->mmio_needed = 0;
+@@ -1448,16 +1447,14 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+ #endif
+ 	}
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
++	kvm_sigset_activate(vcpu);
+ 
+ 	if (run->immediate_exit)
+ 		r = -EINTR;
+ 	else
+ 		r = kvmppc_vcpu_run(run, vcpu);
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
++	kvm_sigset_deactivate(vcpu);
+ 
+ 	return r;
+ }
+diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
+index 43607bb12cc2..a6cc744ff5fb 100644
+--- a/arch/s390/include/asm/mmu_context.h
++++ b/arch/s390/include/asm/mmu_context.h
+@@ -28,7 +28,7 @@ static inline int init_new_context(struct task_struct *tsk,
+ #ifdef CONFIG_PGSTE
+ 	mm->context.alloc_pgste = page_table_allocate_pgste ||
+ 		test_thread_flag(TIF_PGSTE) ||
+-		current->mm->context.alloc_pgste;
++		(current->mm && current->mm->context.alloc_pgste);
+ 	mm->context.has_pgste = 0;
+ 	mm->context.use_skey = 0;
+ 	mm->context.use_cmma = 0;
+diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
+index 55de4eb73604..de0a8b17bcaa 100644
+--- a/arch/s390/include/asm/topology.h
++++ b/arch/s390/include/asm/topology.h
+@@ -51,6 +51,7 @@ const struct cpumask *cpu_coregroup_mask(int cpu);
+ static inline void topology_init_early(void) { }
+ static inline void topology_schedule_update(void) { }
+ static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
++static inline int topology_cpu_dedicated(int cpu_nr) { return 0; }
+ static inline void topology_expect_change(void) { }
+ 
+ #endif /* CONFIG_SCHED_TOPOLOGY */
+diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
+index 092c4154abd7..7ffaf9fd6d19 100644
+--- a/arch/s390/kernel/smp.c
++++ b/arch/s390/kernel/smp.c
+@@ -54,6 +54,7 @@
+ #include <asm/sigp.h>
+ #include <asm/idle.h>
+ #include <asm/nmi.h>
++#include <asm/topology.h>
+ #include "entry.h"
+ 
+ enum {
+diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
+index 6c88cb18ace2..6e3d80b2048e 100644
+--- a/arch/s390/kvm/kvm-s390.c
++++ b/arch/s390/kvm/kvm-s390.c
+@@ -3378,7 +3378,6 @@ static void store_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+ {
+ 	int rc;
+-	sigset_t sigsaved;
+ 
+ 	if (kvm_run->immediate_exit)
+ 		return -EINTR;
+@@ -3388,8 +3387,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+ 		return 0;
+ 	}
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
++	kvm_sigset_activate(vcpu);
+ 
+ 	if (!kvm_s390_user_cpu_state_ctrl(vcpu->kvm)) {
+ 		kvm_s390_vcpu_start(vcpu);
+@@ -3423,8 +3421,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+ 	disable_cpu_timer_accounting(vcpu);
+ 	store_regs(vcpu, kvm_run);
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
++	kvm_sigset_deactivate(vcpu);
+ 
+ 	vcpu->stat.exit_userspace++;
+ 	return rc;
+diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
+index 3d09e3aca18d..12e8484a8ee7 100644
+--- a/arch/x86/crypto/aesni-intel_asm.S
++++ b/arch/x86/crypto/aesni-intel_asm.S
+@@ -90,30 +90,6 @@ SHIFT_MASK: .octa 0x0f0e0d0c0b0a09080706050403020100
+ ALL_F:      .octa 0xffffffffffffffffffffffffffffffff
+             .octa 0x00000000000000000000000000000000
+ 
+-.section .rodata
+-.align 16
+-.type aad_shift_arr, @object
+-.size aad_shift_arr, 272
+-aad_shift_arr:
+-        .octa     0xffffffffffffffffffffffffffffffff
+-        .octa     0xffffffffffffffffffffffffffffff0C
+-        .octa     0xffffffffffffffffffffffffffff0D0C
+-        .octa     0xffffffffffffffffffffffffff0E0D0C
+-        .octa     0xffffffffffffffffffffffff0F0E0D0C
+-        .octa     0xffffffffffffffffffffff0C0B0A0908
+-        .octa     0xffffffffffffffffffff0D0C0B0A0908
+-        .octa     0xffffffffffffffffff0E0D0C0B0A0908
+-        .octa     0xffffffffffffffff0F0E0D0C0B0A0908
+-        .octa     0xffffffffffffff0C0B0A090807060504
+-        .octa     0xffffffffffff0D0C0B0A090807060504
+-        .octa     0xffffffffff0E0D0C0B0A090807060504
+-        .octa     0xffffffff0F0E0D0C0B0A090807060504
+-        .octa     0xffffff0C0B0A09080706050403020100
+-        .octa     0xffff0D0C0B0A09080706050403020100
+-        .octa     0xff0E0D0C0B0A09080706050403020100
+-        .octa     0x0F0E0D0C0B0A09080706050403020100
+-
+-
+ .text
+ 
+ 
+@@ -257,6 +233,37 @@ aad_shift_arr:
+ 	pxor      \TMP1, \GH            # result is in TMP1
+ .endm
+ 
++# Reads DLEN bytes starting at DPTR and stores in XMMDst
++# where 0 < DLEN < 16
++# Clobbers %rax, DLEN and XMM1
++.macro READ_PARTIAL_BLOCK DPTR DLEN XMM1 XMMDst
++        cmp $8, \DLEN
++        jl _read_lt8_\@
++        mov (\DPTR), %rax
++        MOVQ_R64_XMM %rax, \XMMDst
++        sub $8, \DLEN
++        jz _done_read_partial_block_\@
++	xor %eax, %eax
++_read_next_byte_\@:
++        shl $8, %rax
++        mov 7(\DPTR, \DLEN, 1), %al
++        dec \DLEN
++        jnz _read_next_byte_\@
++        MOVQ_R64_XMM %rax, \XMM1
++	pslldq $8, \XMM1
++        por \XMM1, \XMMDst
++	jmp _done_read_partial_block_\@
++_read_lt8_\@:
++	xor %eax, %eax
++_read_next_byte_lt8_\@:
++        shl $8, %rax
++        mov -1(\DPTR, \DLEN, 1), %al
++        dec \DLEN
++        jnz _read_next_byte_lt8_\@
++        MOVQ_R64_XMM %rax, \XMMDst
++_done_read_partial_block_\@:
++.endm
++
+ /*
+ * if a = number of total plaintext bytes
+ * b = floor(a/16)
+@@ -273,62 +280,30 @@ aad_shift_arr:
+ XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
+         MOVADQ     SHUF_MASK(%rip), %xmm14
+ 	mov	   arg7, %r10           # %r10 = AAD
+-	mov	   arg8, %r12           # %r12 = aadLen
+-	mov	   %r12, %r11
++	mov	   arg8, %r11           # %r11 = aadLen
+ 	pxor	   %xmm\i, %xmm\i
+ 	pxor       \XMM2, \XMM2
+ 
+ 	cmp	   $16, %r11
+-	jl	   _get_AAD_rest8\num_initial_blocks\operation
++	jl	   _get_AAD_rest\num_initial_blocks\operation
+ _get_AAD_blocks\num_initial_blocks\operation:
+ 	movdqu	   (%r10), %xmm\i
+ 	PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data
+ 	pxor	   %xmm\i, \XMM2
+ 	GHASH_MUL  \XMM2, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ 	add	   $16, %r10
+-	sub	   $16, %r12
+ 	sub	   $16, %r11
+ 	cmp	   $16, %r11
+ 	jge	   _get_AAD_blocks\num_initial_blocks\operation
+ 
+ 	movdqu	   \XMM2, %xmm\i
++
++	/* read the last <16B of AAD */
++_get_AAD_rest\num_initial_blocks\operation:
+ 	cmp	   $0, %r11
+ 	je	   _get_AAD_done\num_initial_blocks\operation
+ 
+-	pxor	   %xmm\i,%xmm\i
+-
+-	/* read the last <16B of AAD. since we have at least 4B of
+-	data right after the AAD (the ICV, and maybe some CT), we can
+-	read 4B/8B blocks safely, and then get rid of the extra stuff */
+-_get_AAD_rest8\num_initial_blocks\operation:
+-	cmp	   $4, %r11
+-	jle	   _get_AAD_rest4\num_initial_blocks\operation
+-	movq	   (%r10), \TMP1
+-	add	   $8, %r10
+-	sub	   $8, %r11
+-	pslldq	   $8, \TMP1
+-	psrldq	   $8, %xmm\i
+-	pxor	   \TMP1, %xmm\i
+-	jmp	   _get_AAD_rest8\num_initial_blocks\operation
+-_get_AAD_rest4\num_initial_blocks\operation:
+-	cmp	   $0, %r11
+-	jle	   _get_AAD_rest0\num_initial_blocks\operation
+-	mov	   (%r10), %eax
+-	movq	   %rax, \TMP1
+-	add	   $4, %r10
+-	sub	   $4, %r10
+-	pslldq	   $12, \TMP1
+-	psrldq	   $4, %xmm\i
+-	pxor	   \TMP1, %xmm\i
+-_get_AAD_rest0\num_initial_blocks\operation:
+-	/* finalize: shift out the extra bytes we read, and align
+-	left. since pslldq can only shift by an immediate, we use
+-	vpshufb and an array of shuffle masks */
+-	movq	   %r12, %r11
+-	salq	   $4, %r11
+-	movdqu	   aad_shift_arr(%r11), \TMP1
+-	PSHUFB_XMM \TMP1, %xmm\i
+-_get_AAD_rest_final\num_initial_blocks\operation:
++	READ_PARTIAL_BLOCK %r10, %r11, \TMP1, %xmm\i
+ 	PSHUFB_XMM   %xmm14, %xmm\i # byte-reflect the AAD data
+ 	pxor	   \XMM2, %xmm\i
+ 	GHASH_MUL  %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+@@ -532,62 +507,30 @@ _initial_blocks_done\num_initial_blocks\operation:
+ XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
+         MOVADQ     SHUF_MASK(%rip), %xmm14
+ 	mov	   arg7, %r10           # %r10 = AAD
+-	mov	   arg8, %r12           # %r12 = aadLen
+-	mov	   %r12, %r11
++	mov	   arg8, %r11           # %r11 = aadLen
+ 	pxor	   %xmm\i, %xmm\i
+ 	pxor	   \XMM2, \XMM2
+ 
+ 	cmp	   $16, %r11
+-	jl	   _get_AAD_rest8\num_initial_blocks\operation
++	jl	   _get_AAD_rest\num_initial_blocks\operation
+ _get_AAD_blocks\num_initial_blocks\operation:
+ 	movdqu	   (%r10), %xmm\i
+ 	PSHUFB_XMM   %xmm14, %xmm\i # byte-reflect the AAD data
+ 	pxor	   %xmm\i, \XMM2
+ 	GHASH_MUL  \XMM2, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ 	add	   $16, %r10
+-	sub	   $16, %r12
+ 	sub	   $16, %r11
+ 	cmp	   $16, %r11
+ 	jge	   _get_AAD_blocks\num_initial_blocks\operation
+ 
+ 	movdqu	   \XMM2, %xmm\i
++
++	/* read the last <16B of AAD */
++_get_AAD_rest\num_initial_blocks\operation:
+ 	cmp	   $0, %r11
+ 	je	   _get_AAD_done\num_initial_blocks\operation
+ 
+-	pxor	   %xmm\i,%xmm\i
+-
+-	/* read the last <16B of AAD. since we have at least 4B of
+-	data right after the AAD (the ICV, and maybe some PT), we can
+-	read 4B/8B blocks safely, and then get rid of the extra stuff */
+-_get_AAD_rest8\num_initial_blocks\operation:
+-	cmp	   $4, %r11
+-	jle	   _get_AAD_rest4\num_initial_blocks\operation
+-	movq	   (%r10), \TMP1
+-	add	   $8, %r10
+-	sub	   $8, %r11
+-	pslldq	   $8, \TMP1
+-	psrldq	   $8, %xmm\i
+-	pxor	   \TMP1, %xmm\i
+-	jmp	   _get_AAD_rest8\num_initial_blocks\operation
+-_get_AAD_rest4\num_initial_blocks\operation:
+-	cmp	   $0, %r11
+-	jle	   _get_AAD_rest0\num_initial_blocks\operation
+-	mov	   (%r10), %eax
+-	movq	   %rax, \TMP1
+-	add	   $4, %r10
+-	sub	   $4, %r10
+-	pslldq	   $12, \TMP1
+-	psrldq	   $4, %xmm\i
+-	pxor	   \TMP1, %xmm\i
+-_get_AAD_rest0\num_initial_blocks\operation:
+-	/* finalize: shift out the extra bytes we read, and align
+-	left. since pslldq can only shift by an immediate, we use
+-	vpshufb and an array of shuffle masks */
+-	movq	   %r12, %r11
+-	salq	   $4, %r11
+-	movdqu	   aad_shift_arr(%r11), \TMP1
+-	PSHUFB_XMM \TMP1, %xmm\i
+-_get_AAD_rest_final\num_initial_blocks\operation:
++	READ_PARTIAL_BLOCK %r10, %r11, \TMP1, %xmm\i
+ 	PSHUFB_XMM   %xmm14, %xmm\i # byte-reflect the AAD data
+ 	pxor	   \XMM2, %xmm\i
+ 	GHASH_MUL  %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+@@ -1386,14 +1329,6 @@ _esb_loop_\@:
+ *
+ *                        AAD Format with 64-bit Extended Sequence Number
+ *
+-* aadLen:
+-*       from the definition of the spec, aadLen can only be 8 or 12 bytes.
+-*       The code supports 16 too but for other sizes, the code will fail.
+-*
+-* TLen:
+-*       from the definition of the spec, TLen can only be 8, 12 or 16 bytes.
+-*       For other sizes, the code will fail.
+-*
+ * poly = x^128 + x^127 + x^126 + x^121 + 1
+ *
+ *****************************************************************************/
+@@ -1487,19 +1422,16 @@ _zero_cipher_left_decrypt:
+ 	PSHUFB_XMM %xmm10, %xmm0
+ 
+ 	ENCRYPT_SINGLE_BLOCK  %xmm0, %xmm1    # E(K, Yn)
+-	sub $16, %r11
+-	add %r13, %r11
+-	movdqu (%arg3,%r11,1), %xmm1   # receive the last <16 byte block
+-	lea SHIFT_MASK+16(%rip), %r12
+-	sub %r13, %r12
+-# adjust the shuffle mask pointer to be able to shift 16-%r13 bytes
+-# (%r13 is the number of bytes in plaintext mod 16)
+-	movdqu (%r12), %xmm2           # get the appropriate shuffle mask
+-	PSHUFB_XMM %xmm2, %xmm1            # right shift 16-%r13 butes
+ 
++	lea (%arg3,%r11,1), %r10
++	mov %r13, %r12
++	READ_PARTIAL_BLOCK %r10 %r12 %xmm2 %xmm1
++
++	lea ALL_F+16(%rip), %r12
++	sub %r13, %r12
+ 	movdqa  %xmm1, %xmm2
+ 	pxor %xmm1, %xmm0            # Ciphertext XOR E(K, Yn)
+-	movdqu ALL_F-SHIFT_MASK(%r12), %xmm1
++	movdqu (%r12), %xmm1
+ 	# get the appropriate mask to mask out top 16-%r13 bytes of %xmm0
+ 	pand %xmm1, %xmm0            # mask out top 16-%r13 bytes of %xmm0
+ 	pand    %xmm1, %xmm2
+@@ -1508,9 +1440,6 @@ _zero_cipher_left_decrypt:
+ 
+ 	pxor %xmm2, %xmm8
+ 	GHASH_MUL %xmm8, %xmm13, %xmm9, %xmm10, %xmm11, %xmm5, %xmm6
+-	          # GHASH computation for the last <16 byte block
+-	sub %r13, %r11
+-	add $16, %r11
+ 
+         # output %r13 bytes
+ 	MOVQ_R64_XMM	%xmm0, %rax
+@@ -1664,14 +1593,6 @@ ENDPROC(aesni_gcm_dec)
+ *
+ *                         AAD Format with 64-bit Extended Sequence Number
+ *
+-* aadLen:
+-*       from the definition of the spec, aadLen can only be 8 or 12 bytes.
+-*       The code supports 16 too but for other sizes, the code will fail.
+-*
+-* TLen:
+-*       from the definition of the spec, TLen can only be 8, 12 or 16 bytes.
+-*       For other sizes, the code will fail.
+-*
+ * poly = x^128 + x^127 + x^126 + x^121 + 1
+ ***************************************************************************/
+ ENTRY(aesni_gcm_enc)
+@@ -1764,19 +1685,16 @@ _zero_cipher_left_encrypt:
+         movdqa SHUF_MASK(%rip), %xmm10
+ 	PSHUFB_XMM %xmm10, %xmm0
+ 
+-
+ 	ENCRYPT_SINGLE_BLOCK	%xmm0, %xmm1        # Encrypt(K, Yn)
+-	sub $16, %r11
+-	add %r13, %r11
+-	movdqu (%arg3,%r11,1), %xmm1     # receive the last <16 byte blocks
+-	lea SHIFT_MASK+16(%rip), %r12
++
++	lea (%arg3,%r11,1), %r10
++	mov %r13, %r12
++	READ_PARTIAL_BLOCK %r10 %r12 %xmm2 %xmm1
++
++	lea ALL_F+16(%rip), %r12
+ 	sub %r13, %r12
+-	# adjust the shuffle mask pointer to be able to shift 16-r13 bytes
+-	# (%r13 is the number of bytes in plaintext mod 16)
+-	movdqu	(%r12), %xmm2           # get the appropriate shuffle mask
+-	PSHUFB_XMM	%xmm2, %xmm1            # shift right 16-r13 byte
+ 	pxor	%xmm1, %xmm0            # Plaintext XOR Encrypt(K, Yn)
+-	movdqu	ALL_F-SHIFT_MASK(%r12), %xmm1
++	movdqu	(%r12), %xmm1
+ 	# get the appropriate mask to mask out top 16-r13 bytes of xmm0
+ 	pand	%xmm1, %xmm0            # mask out top 16-r13 bytes of xmm0
+         movdqa SHUF_MASK(%rip), %xmm10
+@@ -1785,9 +1703,6 @@ _zero_cipher_left_encrypt:
+ 	pxor	%xmm0, %xmm8
+ 	GHASH_MUL %xmm8, %xmm13, %xmm9, %xmm10, %xmm11, %xmm5, %xmm6
+ 	# GHASH computation for the last <16 byte block
+-	sub	%r13, %r11
+-	add	$16, %r11
+-
+ 	movdqa SHUF_MASK(%rip), %xmm10
+ 	PSHUFB_XMM %xmm10, %xmm0
+ 
+diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
+index 5c15d6b57329..c690ddc78c03 100644
+--- a/arch/x86/crypto/aesni-intel_glue.c
++++ b/arch/x86/crypto/aesni-intel_glue.c
+@@ -28,6 +28,7 @@
+ #include <crypto/cryptd.h>
+ #include <crypto/ctr.h>
+ #include <crypto/b128ops.h>
++#include <crypto/gcm.h>
+ #include <crypto/xts.h>
+ #include <asm/cpu_device_id.h>
+ #include <asm/fpu/api.h>
+@@ -689,8 +690,8 @@ static int common_rfc4106_set_key(struct crypto_aead *aead, const u8 *key,
+ 	       rfc4106_set_hash_subkey(ctx->hash_subkey, key, key_len);
+ }
+ 
+-static int rfc4106_set_key(struct crypto_aead *parent, const u8 *key,
+-			   unsigned int key_len)
++static int gcmaes_wrapper_set_key(struct crypto_aead *parent, const u8 *key,
++				  unsigned int key_len)
+ {
+ 	struct cryptd_aead **ctx = crypto_aead_ctx(parent);
+ 	struct cryptd_aead *cryptd_tfm = *ctx;
+@@ -715,8 +716,8 @@ static int common_rfc4106_set_authsize(struct crypto_aead *aead,
+ 
+ /* This is the Integrity Check Value (aka the authentication tag length and can
+  * be 8, 12 or 16 bytes long. */
+-static int rfc4106_set_authsize(struct crypto_aead *parent,
+-				unsigned int authsize)
++static int gcmaes_wrapper_set_authsize(struct crypto_aead *parent,
++				       unsigned int authsize)
+ {
+ 	struct cryptd_aead **ctx = crypto_aead_ctx(parent);
+ 	struct cryptd_aead *cryptd_tfm = *ctx;
+@@ -823,7 +824,7 @@ static int gcmaes_decrypt(struct aead_request *req, unsigned int assoclen,
+ 	if (sg_is_last(req->src) &&
+ 	    (!PageHighMem(sg_page(req->src)) ||
+ 	    req->src->offset + req->src->length <= PAGE_SIZE) &&
+-	    sg_is_last(req->dst) &&
++	    sg_is_last(req->dst) && req->dst->length &&
+ 	    (!PageHighMem(sg_page(req->dst)) ||
+ 	    req->dst->offset + req->dst->length <= PAGE_SIZE)) {
+ 		one_entry_in_sg = 1;
+@@ -928,7 +929,7 @@ static int helper_rfc4106_decrypt(struct aead_request *req)
+ 			      aes_ctx);
+ }
+ 
+-static int rfc4106_encrypt(struct aead_request *req)
++static int gcmaes_wrapper_encrypt(struct aead_request *req)
+ {
+ 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ 	struct cryptd_aead **ctx = crypto_aead_ctx(tfm);
+@@ -944,7 +945,7 @@ static int rfc4106_encrypt(struct aead_request *req)
+ 	return crypto_aead_encrypt(req);
+ }
+ 
+-static int rfc4106_decrypt(struct aead_request *req)
++static int gcmaes_wrapper_decrypt(struct aead_request *req)
+ {
+ 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ 	struct cryptd_aead **ctx = crypto_aead_ctx(tfm);
+@@ -1115,7 +1116,7 @@ static int generic_gcmaes_decrypt(struct aead_request *req)
+ {
+ 	__be32 counter = cpu_to_be32(1);
+ 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+-	struct aesni_rfc4106_gcm_ctx *ctx = aesni_rfc4106_gcm_ctx_get(tfm);
++	struct generic_gcmaes_ctx *ctx = generic_gcmaes_ctx_get(tfm);
+ 	void *aes_ctx = &(ctx->aes_key_expanded);
+ 	u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN)));
+ 
+@@ -1126,12 +1127,36 @@ static int generic_gcmaes_decrypt(struct aead_request *req)
+ 			      aes_ctx);
+ }
+ 
++static int generic_gcmaes_init(struct crypto_aead *aead)
++{
++	struct cryptd_aead *cryptd_tfm;
++	struct cryptd_aead **ctx = crypto_aead_ctx(aead);
++
++	cryptd_tfm = cryptd_alloc_aead("__driver-generic-gcm-aes-aesni",
++				       CRYPTO_ALG_INTERNAL,
++				       CRYPTO_ALG_INTERNAL);
++	if (IS_ERR(cryptd_tfm))
++		return PTR_ERR(cryptd_tfm);
++
++	*ctx = cryptd_tfm;
++	crypto_aead_set_reqsize(aead, crypto_aead_reqsize(&cryptd_tfm->base));
++
++	return 0;
++}
++
++static void generic_gcmaes_exit(struct crypto_aead *aead)
++{
++	struct cryptd_aead **ctx = crypto_aead_ctx(aead);
++
++	cryptd_free_aead(*ctx);
++}
++
+ static struct aead_alg aesni_aead_algs[] = { {
+ 	.setkey			= common_rfc4106_set_key,
+ 	.setauthsize		= common_rfc4106_set_authsize,
+ 	.encrypt		= helper_rfc4106_encrypt,
+ 	.decrypt		= helper_rfc4106_decrypt,
+-	.ivsize			= 8,
++	.ivsize			= GCM_RFC4106_IV_SIZE,
+ 	.maxauthsize		= 16,
+ 	.base = {
+ 		.cra_name		= "__gcm-aes-aesni",
+@@ -1145,11 +1170,11 @@ static struct aead_alg aesni_aead_algs[] = { {
+ }, {
+ 	.init			= rfc4106_init,
+ 	.exit			= rfc4106_exit,
+-	.setkey			= rfc4106_set_key,
+-	.setauthsize		= rfc4106_set_authsize,
+-	.encrypt		= rfc4106_encrypt,
+-	.decrypt		= rfc4106_decrypt,
+-	.ivsize			= 8,
++	.setkey			= gcmaes_wrapper_set_key,
++	.setauthsize		= gcmaes_wrapper_set_authsize,
++	.encrypt		= gcmaes_wrapper_encrypt,
++	.decrypt		= gcmaes_wrapper_decrypt,
++	.ivsize			= GCM_RFC4106_IV_SIZE,
+ 	.maxauthsize		= 16,
+ 	.base = {
+ 		.cra_name		= "rfc4106(gcm(aes))",
+@@ -1165,7 +1190,26 @@ static struct aead_alg aesni_aead_algs[] = { {
+ 	.setauthsize		= generic_gcmaes_set_authsize,
+ 	.encrypt		= generic_gcmaes_encrypt,
+ 	.decrypt		= generic_gcmaes_decrypt,
+-	.ivsize			= 12,
++	.ivsize			= GCM_AES_IV_SIZE,
++	.maxauthsize		= 16,
++	.base = {
++		.cra_name		= "__generic-gcm-aes-aesni",
++		.cra_driver_name	= "__driver-generic-gcm-aes-aesni",
++		.cra_priority		= 0,
++		.cra_flags		= CRYPTO_ALG_INTERNAL,
++		.cra_blocksize		= 1,
++		.cra_ctxsize		= sizeof(struct generic_gcmaes_ctx),
++		.cra_alignmask		= AESNI_ALIGN - 1,
++		.cra_module		= THIS_MODULE,
++	},
++}, {
++	.init			= generic_gcmaes_init,
++	.exit			= generic_gcmaes_exit,
++	.setkey			= gcmaes_wrapper_set_key,
++	.setauthsize		= gcmaes_wrapper_set_authsize,
++	.encrypt		= gcmaes_wrapper_encrypt,
++	.decrypt		= gcmaes_wrapper_decrypt,
++	.ivsize			= GCM_AES_IV_SIZE,
+ 	.maxauthsize		= 16,
+ 	.base = {
+ 		.cra_name		= "gcm(aes)",
+@@ -1173,8 +1217,7 @@ static struct aead_alg aesni_aead_algs[] = { {
+ 		.cra_priority		= 400,
+ 		.cra_flags		= CRYPTO_ALG_ASYNC,
+ 		.cra_blocksize		= 1,
+-		.cra_ctxsize		= sizeof(struct generic_gcmaes_ctx),
+-		.cra_alignmask		= AESNI_ALIGN - 1,
++		.cra_ctxsize		= sizeof(struct cryptd_aead *),
+ 		.cra_module		= THIS_MODULE,
+ 	},
+ } };
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
+index eb38ac9d9a31..4f8b80199672 100644
+--- a/arch/x86/include/asm/kvm_host.h
++++ b/arch/x86/include/asm/kvm_host.h
+@@ -1156,7 +1156,8 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2,
+ static inline int emulate_instruction(struct kvm_vcpu *vcpu,
+ 			int emulation_type)
+ {
+-	return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0);
++	return x86_emulate_instruction(vcpu, 0,
++			emulation_type | EMULTYPE_NO_REEXECUTE, NULL, 0);
+ }
+ 
+ void kvm_enable_efer_bits(u64);
+diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
+index b20f9d623f9c..8f09012b92e7 100644
+--- a/arch/x86/include/asm/segment.h
++++ b/arch/x86/include/asm/segment.h
+@@ -236,11 +236,23 @@
+  */
+ #define EARLY_IDT_HANDLER_SIZE 9
+ 
++/*
++ * xen_early_idt_handler_array is for Xen pv guests: for each entry in
++ * early_idt_handler_array it contains a prequel in the form of
++ * pop %rcx; pop %r11; jmp early_idt_handler_array[i]; summing up to
++ * max 8 bytes.
++ */
++#define XEN_EARLY_IDT_HANDLER_SIZE 8
++
+ #ifndef __ASSEMBLY__
+ 
+ extern const char early_idt_handler_array[NUM_EXCEPTION_VECTORS][EARLY_IDT_HANDLER_SIZE];
+ extern void early_ignore_irq(void);
+ 
++#if defined(CONFIG_X86_64) && defined(CONFIG_XEN_PV)
++extern const char xen_early_idt_handler_array[NUM_EXCEPTION_VECTORS][XEN_EARLY_IDT_HANDLER_SIZE];
++#endif
++
+ /*
+  * Load a segment. Fall back on loading the zero segment if something goes
+  * wrong.  This variant assumes that loading zero fully clears the segment.
+diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
+index cdc70a3a6583..c2cea6651279 100644
+--- a/arch/x86/kvm/cpuid.h
++++ b/arch/x86/kvm/cpuid.h
+@@ -44,7 +44,7 @@ static const struct cpuid_reg reverse_cpuid[] = {
+ 	[CPUID_8086_0001_EDX] = {0x80860001, 0, CPUID_EDX},
+ 	[CPUID_1_ECX]         = {         1, 0, CPUID_ECX},
+ 	[CPUID_C000_0001_EDX] = {0xc0000001, 0, CPUID_EDX},
+-	[CPUID_8000_0001_ECX] = {0xc0000001, 0, CPUID_ECX},
++	[CPUID_8000_0001_ECX] = {0x80000001, 0, CPUID_ECX},
+ 	[CPUID_7_0_EBX]       = {         7, 0, CPUID_EBX},
+ 	[CPUID_D_1_EAX]       = {       0xd, 1, CPUID_EAX},
+ 	[CPUID_F_0_EDX]       = {       0xf, 0, CPUID_EDX},
+diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
+index 7bbb5da2b49d..eca6a89f2326 100644
+--- a/arch/x86/kvm/emulate.c
++++ b/arch/x86/kvm/emulate.c
+@@ -4023,6 +4023,26 @@ static int em_fxsave(struct x86_emulate_ctxt *ctxt)
+ 		                   fxstate_size(ctxt));
+ }
+ 
++/*
++ * FXRSTOR might restore XMM registers not provided by the guest. Fill
++ * in the host registers (via FXSAVE) instead, so they won't be modified.
++ * (preemption has to stay disabled until FXRSTOR).
++ *
++ * Use noinline to keep the stack for other functions called by callers small.
++ */
++static noinline int fxregs_fixup(struct fxregs_state *fx_state,
++				 const size_t used_size)
++{
++	struct fxregs_state fx_tmp;
++	int rc;
++
++	rc = asm_safe("fxsave %[fx]", , [fx] "+m"(fx_tmp));
++	memcpy((void *)fx_state + used_size, (void *)&fx_tmp + used_size,
++	       __fxstate_size(16) - used_size);
++
++	return rc;
++}
++
+ static int em_fxrstor(struct x86_emulate_ctxt *ctxt)
+ {
+ 	struct fxregs_state fx_state;
+@@ -4033,19 +4053,19 @@ static int em_fxrstor(struct x86_emulate_ctxt *ctxt)
+ 	if (rc != X86EMUL_CONTINUE)
+ 		return rc;
+ 
++	size = fxstate_size(ctxt);
++	rc = segmented_read_std(ctxt, ctxt->memop.addr.mem, &fx_state, size);
++	if (rc != X86EMUL_CONTINUE)
++		return rc;
++
+ 	ctxt->ops->get_fpu(ctxt);
+ 
+-	size = fxstate_size(ctxt);
+ 	if (size < __fxstate_size(16)) {
+-		rc = asm_safe("fxsave %[fx]", , [fx] "+m"(fx_state));
++		rc = fxregs_fixup(&fx_state, size);
+ 		if (rc != X86EMUL_CONTINUE)
+ 			goto out;
+ 	}
+ 
+-	rc = segmented_read_std(ctxt, ctxt->memop.addr.mem, &fx_state, size);
+-	if (rc != X86EMUL_CONTINUE)
+-		goto out;
+-
+ 	if (fx_state.mxcsr >> 16) {
+ 		rc = emulate_gp(ctxt, 0);
+ 		goto out;
+@@ -5009,6 +5029,8 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len)
+ 	bool op_prefix = false;
+ 	bool has_seg_override = false;
+ 	struct opcode opcode;
++	u16 dummy;
++	struct desc_struct desc;
+ 
+ 	ctxt->memop.type = OP_NONE;
+ 	ctxt->memopp = NULL;
+@@ -5027,6 +5049,11 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len)
+ 	switch (mode) {
+ 	case X86EMUL_MODE_REAL:
+ 	case X86EMUL_MODE_VM86:
++		def_op_bytes = def_ad_bytes = 2;
++		ctxt->ops->get_segment(ctxt, &dummy, &desc, NULL, VCPU_SREG_CS);
++		if (desc.d)
++			def_op_bytes = def_ad_bytes = 4;
++		break;
+ 	case X86EMUL_MODE_PROT16:
+ 		def_op_bytes = def_ad_bytes = 2;
+ 		break;
+diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
+index bdff437acbcb..9d270ba9643c 100644
+--- a/arch/x86/kvm/ioapic.c
++++ b/arch/x86/kvm/ioapic.c
+@@ -257,8 +257,7 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, ulong *ioapic_handled_vectors)
+ 		    index == RTC_GSI) {
+ 			if (kvm_apic_match_dest(vcpu, NULL, 0,
+ 			             e->fields.dest_id, e->fields.dest_mode) ||
+-			    (e->fields.trig_mode == IOAPIC_EDGE_TRIG &&
+-			     kvm_apic_pending_eoi(vcpu, e->fields.vector)))
++			    kvm_apic_pending_eoi(vcpu, e->fields.vector))
+ 				__set_bit(e->fields.vector,
+ 					  ioapic_handled_vectors);
+ 		}
+@@ -277,6 +276,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
+ {
+ 	unsigned index;
+ 	bool mask_before, mask_after;
++	int old_remote_irr, old_delivery_status;
+ 	union kvm_ioapic_redirect_entry *e;
+ 
+ 	switch (ioapic->ioregsel) {
+@@ -299,14 +299,28 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
+ 			return;
+ 		e = &ioapic->redirtbl[index];
+ 		mask_before = e->fields.mask;
++		/* Preserve read-only fields */
++		old_remote_irr = e->fields.remote_irr;
++		old_delivery_status = e->fields.delivery_status;
+ 		if (ioapic->ioregsel & 1) {
+ 			e->bits &= 0xffffffff;
+ 			e->bits |= (u64) val << 32;
+ 		} else {
+ 			e->bits &= ~0xffffffffULL;
+ 			e->bits |= (u32) val;
+-			e->fields.remote_irr = 0;
+ 		}
++		e->fields.remote_irr = old_remote_irr;
++		e->fields.delivery_status = old_delivery_status;
++
++		/*
++		 * Some OSes (Linux, Xen) assume that Remote IRR bit will
++		 * be cleared by IOAPIC hardware when the entry is configured
++		 * as edge-triggered. This behavior is used to simulate an
++		 * explicit EOI on IOAPICs that don't have the EOI register.
++		 */
++		if (e->fields.trig_mode == IOAPIC_EDGE_TRIG)
++			e->fields.remote_irr = 0;
++
+ 		mask_after = e->fields.mask;
+ 		if (mask_before != mask_after)
+ 			kvm_fire_mask_notifiers(ioapic->kvm, KVM_IRQCHIP_IOAPIC, index, mask_after);
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index ef16cf0f7cfd..a45063a9219c 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -5606,7 +5606,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
+ 		vmcs_write64(GUEST_IA32_DEBUGCTL, 0);
+ 	}
+ 
+-	vmcs_writel(GUEST_RFLAGS, 0x02);
++	kvm_set_rflags(vcpu, X86_EFLAGS_FIXED);
+ 	kvm_rip_write(vcpu, 0xfff0);
+ 
+ 	vmcs_writel(GUEST_GDTR_BASE, 0);
+@@ -5919,10 +5919,6 @@ static int handle_exception(struct kvm_vcpu *vcpu)
+ 		return 1;  /* already handled by vmx_vcpu_run() */
+ 
+ 	if (is_invalid_opcode(intr_info)) {
+-		if (is_guest_mode(vcpu)) {
+-			kvm_queue_exception(vcpu, UD_VECTOR);
+-			return 1;
+-		}
+ 		er = emulate_instruction(vcpu, EMULTYPE_TRAP_UD);
+ 		if (er == EMULATE_USER_EXIT)
+ 			return 0;
+@@ -6608,7 +6604,7 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
+ 		if (kvm_test_request(KVM_REQ_EVENT, vcpu))
+ 			return 1;
+ 
+-		err = emulate_instruction(vcpu, EMULTYPE_NO_REEXECUTE);
++		err = emulate_instruction(vcpu, 0);
+ 
+ 		if (err == EMULATE_USER_EXIT) {
+ 			++vcpu->stat.mmio_exits;
+@@ -11115,13 +11111,12 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr)
+ {
+ 	struct vcpu_vmx *vmx = to_vmx(vcpu);
+ 	unsigned long exit_qual;
+-
+-	if (kvm_event_needs_reinjection(vcpu))
+-		return -EBUSY;
++	bool block_nested_events =
++	    vmx->nested.nested_run_pending || kvm_event_needs_reinjection(vcpu);
+ 
+ 	if (vcpu->arch.exception.pending &&
+ 		nested_vmx_check_exception(vcpu, &exit_qual)) {
+-		if (vmx->nested.nested_run_pending)
++		if (block_nested_events)
+ 			return -EBUSY;
+ 		nested_vmx_inject_exception_vmexit(vcpu, exit_qual);
+ 		vcpu->arch.exception.pending = false;
+@@ -11130,14 +11125,14 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr)
+ 
+ 	if (nested_cpu_has_preemption_timer(get_vmcs12(vcpu)) &&
+ 	    vmx->nested.preemption_timer_expired) {
+-		if (vmx->nested.nested_run_pending)
++		if (block_nested_events)
+ 			return -EBUSY;
+ 		nested_vmx_vmexit(vcpu, EXIT_REASON_PREEMPTION_TIMER, 0, 0);
+ 		return 0;
+ 	}
+ 
+ 	if (vcpu->arch.nmi_pending && nested_exit_on_nmi(vcpu)) {
+-		if (vmx->nested.nested_run_pending)
++		if (block_nested_events)
+ 			return -EBUSY;
+ 		nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI,
+ 				  NMI_VECTOR | INTR_TYPE_NMI_INTR |
+@@ -11153,7 +11148,7 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr)
+ 
+ 	if ((kvm_cpu_has_interrupt(vcpu) || external_intr) &&
+ 	    nested_exit_on_intr(vcpu)) {
+-		if (vmx->nested.nested_run_pending)
++		if (block_nested_events)
+ 			return -EBUSY;
+ 		nested_vmx_vmexit(vcpu, EXIT_REASON_EXTERNAL_INTERRUPT, 0, 0);
+ 		return 0;
+@@ -11340,6 +11335,24 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
+ 	kvm_clear_interrupt_queue(vcpu);
+ }
+ 
++static void load_vmcs12_mmu_host_state(struct kvm_vcpu *vcpu,
++			struct vmcs12 *vmcs12)
++{
++	u32 entry_failure_code;
++
++	nested_ept_uninit_mmu_context(vcpu);
++
++	/*
++	 * Only PDPTE load can fail as the value of cr3 was checked on entry and
++	 * couldn't have changed.
++	 */
++	if (nested_vmx_load_cr3(vcpu, vmcs12->host_cr3, false, &entry_failure_code))
++		nested_vmx_abort(vcpu, VMX_ABORT_LOAD_HOST_PDPTE_FAIL);
++
++	if (!enable_ept)
++		vcpu->arch.walk_mmu->inject_page_fault = kvm_inject_page_fault;
++}
++
+ /*
+  * A part of what we need to when the nested L2 guest exits and we want to
+  * run its L1 parent, is to reset L1's guest state to the host state specified
+@@ -11353,7 +11366,6 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
+ 				   struct vmcs12 *vmcs12)
+ {
+ 	struct kvm_segment seg;
+-	u32 entry_failure_code;
+ 
+ 	if (vmcs12->vm_exit_controls & VM_EXIT_LOAD_IA32_EFER)
+ 		vcpu->arch.efer = vmcs12->host_ia32_efer;
+@@ -11380,17 +11392,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
+ 	vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK);
+ 	vmx_set_cr4(vcpu, vmcs12->host_cr4);
+ 
+-	nested_ept_uninit_mmu_context(vcpu);
+-
+-	/*
+-	 * Only PDPTE load can fail as the value of cr3 was checked on entry and
+-	 * couldn't have changed.
+-	 */
+-	if (nested_vmx_load_cr3(vcpu, vmcs12->host_cr3, false, &entry_failure_code))
+-		nested_vmx_abort(vcpu, VMX_ABORT_LOAD_HOST_PDPTE_FAIL);
+-
+-	if (!enable_ept)
+-		vcpu->arch.walk_mmu->inject_page_fault = kvm_inject_page_fault;
++	load_vmcs12_mmu_host_state(vcpu, vmcs12);
+ 
+ 	if (enable_vpid) {
+ 		/*
+@@ -11616,6 +11618,9 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
+ 	 * accordingly.
+ 	 */
+ 	nested_vmx_failValid(vcpu, VMXERR_ENTRY_INVALID_CONTROL_FIELD);
++
++	load_vmcs12_mmu_host_state(vcpu, vmcs12);
++
+ 	/*
+ 	 * The emulated instruction was already skipped in
+ 	 * nested_vmx_run, but the updated RIP was never
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index 575c8953cc9a..8c28023a43b1 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -1795,10 +1795,13 @@ u64 get_kvmclock_ns(struct kvm *kvm)
+ 	/* both __this_cpu_read() and rdtsc() should be on the same cpu */
+ 	get_cpu();
+ 
+-	kvm_get_time_scale(NSEC_PER_SEC, __this_cpu_read(cpu_tsc_khz) * 1000LL,
+-			   &hv_clock.tsc_shift,
+-			   &hv_clock.tsc_to_system_mul);
+-	ret = __pvclock_read_cycles(&hv_clock, rdtsc());
++	if (__this_cpu_read(cpu_tsc_khz)) {
++		kvm_get_time_scale(NSEC_PER_SEC, __this_cpu_read(cpu_tsc_khz) * 1000LL,
++				   &hv_clock.tsc_shift,
++				   &hv_clock.tsc_to_system_mul);
++		ret = __pvclock_read_cycles(&hv_clock, rdtsc());
++	} else
++		ret = ktime_get_boot_ns() + ka->kvmclock_offset;
+ 
+ 	put_cpu();
+ 
+@@ -5416,7 +5419,7 @@ static int handle_emulation_failure(struct kvm_vcpu *vcpu)
+ 		vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ 		vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
+ 		vcpu->run->internal.ndata = 0;
+-		r = EMULATE_FAIL;
++		r = EMULATE_USER_EXIT;
+ 	}
+ 	kvm_queue_exception(vcpu, UD_VECTOR);
+ 
+@@ -7242,12 +7245,10 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+ {
+ 	struct fpu *fpu = &current->thread.fpu;
+ 	int r;
+-	sigset_t sigsaved;
+ 
+ 	fpu__initialize(fpu);
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
++	kvm_sigset_activate(vcpu);
+ 
+ 	if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) {
+ 		if (kvm_run->immediate_exit) {
+@@ -7290,8 +7291,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+ 
+ out:
+ 	post_kvm_run_save(vcpu);
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
++	kvm_sigset_deactivate(vcpu);
+ 
+ 	return r;
+ }
+diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
+index 30bc4812ceb8..9fe656c42aa5 100644
+--- a/arch/x86/mm/extable.c
++++ b/arch/x86/mm/extable.c
+@@ -1,6 +1,7 @@
+ #include <linux/extable.h>
+ #include <linux/uaccess.h>
+ #include <linux/sched/debug.h>
++#include <xen/xen.h>
+ 
+ #include <asm/fpu/internal.h>
+ #include <asm/traps.h>
+@@ -212,8 +213,9 @@ void __init early_fixup_exception(struct pt_regs *regs, int trapnr)
+ 	 * Old CPUs leave the high bits of CS on the stack
+ 	 * undefined.  I'm not sure which CPUs do this, but at least
+ 	 * the 486 DX works this way.
++	 * Xen pv domains are not using the default __KERNEL_CS.
+ 	 */
+-	if (regs->cs != __KERNEL_CS)
++	if (!xen_pv_domain() && regs->cs != __KERNEL_CS)
+ 		goto fail;
+ 
+ 	/*
+diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
+index ae3a071e1d0f..899a22a02e95 100644
+--- a/arch/x86/xen/enlighten_pv.c
++++ b/arch/x86/xen/enlighten_pv.c
+@@ -622,7 +622,7 @@ static struct trap_array_entry trap_array[] = {
+ 	{ simd_coprocessor_error,      xen_simd_coprocessor_error,      false },
+ };
+ 
+-static bool get_trap_addr(void **addr, unsigned int ist)
++static bool __ref get_trap_addr(void **addr, unsigned int ist)
+ {
+ 	unsigned int nr;
+ 	bool ist_okay = false;
+@@ -644,6 +644,14 @@ static bool get_trap_addr(void **addr, unsigned int ist)
+ 		}
+ 	}
+ 
++	if (nr == ARRAY_SIZE(trap_array) &&
++	    *addr >= (void *)early_idt_handler_array[0] &&
++	    *addr < (void *)early_idt_handler_array[NUM_EXCEPTION_VECTORS]) {
++		nr = (*addr - (void *)early_idt_handler_array[0]) /
++		     EARLY_IDT_HANDLER_SIZE;
++		*addr = (void *)xen_early_idt_handler_array[nr];
++	}
++
+ 	if (WARN_ON(ist != 0 && !ist_okay))
+ 		return false;
+ 
+@@ -1261,6 +1269,21 @@ asmlinkage __visible void __init xen_start_kernel(void)
+ 	xen_setup_gdt(0);
+ 
+ 	xen_init_irq_ops();
++
++	/* Let's presume PV guests always boot on vCPU with id 0. */
++	per_cpu(xen_vcpu_id, 0) = 0;
++
++	/*
++	 * Setup xen_vcpu early because idt_setup_early_handler needs it for
++	 * local_irq_disable(), irqs_disabled().
++	 *
++	 * Don't do the full vcpu_info placement stuff until we have
++	 * the cpu_possible_mask and a non-dummy shared_info.
++	 */
++	xen_vcpu_info_reset(0);
++
++	idt_setup_early_handler();
++
+ 	xen_init_capabilities();
+ 
+ #ifdef CONFIG_X86_LOCAL_APIC
+@@ -1294,18 +1317,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
+ 	 */
+ 	acpi_numa = -1;
+ #endif
+-	/* Let's presume PV guests always boot on vCPU with id 0. */
+-	per_cpu(xen_vcpu_id, 0) = 0;
+-
+-	/*
+-	 * Setup xen_vcpu early because start_kernel needs it for
+-	 * local_irq_disable(), irqs_disabled().
+-	 *
+-	 * Don't do the full vcpu_info placement stuff until we have
+-	 * the cpu_possible_mask and a non-dummy shared_info.
+-	 */
+-	xen_vcpu_info_reset(0);
+-
+ 	WARN_ON(xen_cpuhp_setup(xen_cpu_up_prepare_pv, xen_cpu_dead_pv));
+ 
+ 	local_irq_disable();
+diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
+index 8a10c9a9e2b5..417b339e5c8e 100644
+--- a/arch/x86/xen/xen-asm_64.S
++++ b/arch/x86/xen/xen-asm_64.S
+@@ -15,6 +15,7 @@
+ 
+ #include <xen/interface/xen.h>
+ 
++#include <linux/init.h>
+ #include <linux/linkage.h>
+ 
+ .macro xen_pv_trap name
+@@ -54,6 +55,19 @@ xen_pv_trap entry_INT80_compat
+ #endif
+ xen_pv_trap hypervisor_callback
+ 
++	__INIT
++ENTRY(xen_early_idt_handler_array)
++	i = 0
++	.rept NUM_EXCEPTION_VECTORS
++	pop %rcx
++	pop %r11
++	jmp early_idt_handler_array + i*EARLY_IDT_HANDLER_SIZE
++	i = i + 1
++	.fill xen_early_idt_handler_array + i*XEN_EARLY_IDT_HANDLER_SIZE - ., 1, 0xcc
++	.endr
++END(xen_early_idt_handler_array)
++	__FINIT
++
+ hypercall_iret = hypercall_page + __HYPERVISOR_iret * 32
+ /*
+  * Xen64 iret frame:
+diff --git a/crypto/Kconfig b/crypto/Kconfig
+index ac5fb37e6f4b..42212b60a0ee 100644
+--- a/crypto/Kconfig
++++ b/crypto/Kconfig
+@@ -130,7 +130,7 @@ config CRYPTO_DH
+ 
+ config CRYPTO_ECDH
+ 	tristate "ECDH algorithm"
+-	select CRYTPO_KPP
++	select CRYPTO_KPP
+ 	select CRYPTO_RNG_DEFAULT
+ 	help
+ 	  Generic implementation of the ECDH algorithm
+diff --git a/crypto/af_alg.c b/crypto/af_alg.c
+index 6ec360213107..53b7fa4cf4ab 100644
+--- a/crypto/af_alg.c
++++ b/crypto/af_alg.c
+@@ -150,7 +150,7 @@ EXPORT_SYMBOL_GPL(af_alg_release_parent);
+ 
+ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+ {
+-	const u32 forbidden = CRYPTO_ALG_INTERNAL;
++	const u32 allowed = CRYPTO_ALG_KERN_DRIVER_ONLY;
+ 	struct sock *sk = sock->sk;
+ 	struct alg_sock *ask = alg_sk(sk);
+ 	struct sockaddr_alg *sa = (void *)uaddr;
+@@ -158,6 +158,10 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+ 	void *private;
+ 	int err;
+ 
++	/* If caller uses non-allowed flag, return error. */
++	if ((sa->salg_feat & ~allowed) || (sa->salg_mask & ~allowed))
++		return -EINVAL;
++
+ 	if (sock->state == SS_CONNECTED)
+ 		return -EINVAL;
+ 
+@@ -176,9 +180,7 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+ 	if (IS_ERR(type))
+ 		return PTR_ERR(type);
+ 
+-	private = type->bind(sa->salg_name,
+-			     sa->salg_feat & ~forbidden,
+-			     sa->salg_mask & ~forbidden);
++	private = type->bind(sa->salg_name, sa->salg_feat, sa->salg_mask);
+ 	if (IS_ERR(private)) {
+ 		module_put(type->owner);
+ 		return PTR_ERR(private);
+diff --git a/crypto/sha3_generic.c b/crypto/sha3_generic.c
+index 7e8ed96236ce..a68be626017c 100644
+--- a/crypto/sha3_generic.c
++++ b/crypto/sha3_generic.c
+@@ -18,6 +18,7 @@
+ #include <linux/types.h>
+ #include <crypto/sha3.h>
+ #include <asm/byteorder.h>
++#include <asm/unaligned.h>
+ 
+ #define KECCAK_ROUNDS 24
+ 
+@@ -149,7 +150,7 @@ static int sha3_update(struct shash_desc *desc, const u8 *data,
+ 			unsigned int i;
+ 
+ 			for (i = 0; i < sctx->rsizw; i++)
+-				sctx->st[i] ^= ((u64 *) src)[i];
++				sctx->st[i] ^= get_unaligned_le64(src + 8 * i);
+ 			keccakf(sctx->st);
+ 
+ 			done += sctx->rsiz;
+@@ -174,7 +175,7 @@ static int sha3_final(struct shash_desc *desc, u8 *out)
+ 	sctx->buf[sctx->rsiz - 1] |= 0x80;
+ 
+ 	for (i = 0; i < sctx->rsizw; i++)
+-		sctx->st[i] ^= ((u64 *) sctx->buf)[i];
++		sctx->st[i] ^= get_unaligned_le64(sctx->buf + 8 * i);
+ 
+ 	keccakf(sctx->st);
+ 
+diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
+index 24418932612e..a041689e5701 100644
+--- a/drivers/acpi/device_sysfs.c
++++ b/drivers/acpi/device_sysfs.c
+@@ -146,6 +146,10 @@ static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias,
+ 	int count;
+ 	struct acpi_hardware_id *id;
+ 
++	/* Avoid unnecessarily loading modules for non present devices. */
++	if (!acpi_device_is_present(acpi_dev))
++		return 0;
++
+ 	/*
+ 	 * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should
+ 	 * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the
+diff --git a/drivers/android/binder.c b/drivers/android/binder.c
+index a340766b51fe..2ef8bd29e188 100644
+--- a/drivers/android/binder.c
++++ b/drivers/android/binder.c
+@@ -4302,6 +4302,18 @@ static int binder_thread_release(struct binder_proc *proc,
+ 		if (t)
+ 			spin_lock(&t->lock);
+ 	}
++
++	/*
++	 * If this thread used poll, make sure we remove the waitqueue
++	 * from any epoll data structures holding it with POLLFREE.
++	 * waitqueue_active() is safe to use here because we're holding
++	 * the inner lock.
++	 */
++	if ((thread->looper & BINDER_LOOPER_STATE_POLL) &&
++	    waitqueue_active(&thread->wait)) {
++		wake_up_poll(&thread->wait, POLLHUP | POLLFREE);
++	}
++
+ 	binder_inner_proc_unlock(thread->proc);
+ 
+ 	if (send_reply)
+diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
+index c2819a3d58a6..6cb148268676 100644
+--- a/drivers/android/binder_alloc.c
++++ b/drivers/android/binder_alloc.c
+@@ -668,7 +668,7 @@ int binder_alloc_mmap_handler(struct binder_alloc *alloc,
+ 		goto err_already_mapped;
+ 	}
+ 
+-	area = get_vm_area(vma->vm_end - vma->vm_start, VM_IOREMAP);
++	area = get_vm_area(vma->vm_end - vma->vm_start, VM_ALLOC);
+ 	if (area == NULL) {
+ 		ret = -ENOMEM;
+ 		failure_string = "get_vm_area";
+diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig
+index d7d21118d3e0..2c2ed9cf8796 100644
+--- a/drivers/auxdisplay/Kconfig
++++ b/drivers/auxdisplay/Kconfig
+@@ -136,6 +136,7 @@ config CFAG12864B_RATE
+ 
+ config IMG_ASCII_LCD
+ 	tristate "Imagination Technologies ASCII LCD Display"
++	depends on HAS_IOMEM
+ 	default y if MIPS_MALTA || MIPS_SEAD3
+ 	select SYSCON
+ 	help
+diff --git a/drivers/block/loop.c b/drivers/block/loop.c
+index 85de67334695..a2a0dce5114e 100644
+--- a/drivers/block/loop.c
++++ b/drivers/block/loop.c
+@@ -1576,9 +1576,8 @@ static int lo_open(struct block_device *bdev, fmode_t mode)
+ 	return err;
+ }
+ 
+-static void lo_release(struct gendisk *disk, fmode_t mode)
++static void __lo_release(struct loop_device *lo)
+ {
+-	struct loop_device *lo = disk->private_data;
+ 	int err;
+ 
+ 	if (atomic_dec_return(&lo->lo_refcnt))
+@@ -1605,6 +1604,13 @@ static void lo_release(struct gendisk *disk, fmode_t mode)
+ 	mutex_unlock(&lo->lo_ctl_mutex);
+ }
+ 
++static void lo_release(struct gendisk *disk, fmode_t mode)
++{
++	mutex_lock(&loop_index_mutex);
++	__lo_release(disk->private_data);
++	mutex_unlock(&loop_index_mutex);
++}
++
+ static const struct block_device_operations lo_fops = {
+ 	.owner =	THIS_MODULE,
+ 	.open =		lo_open,
+diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
+index 4d55af5c6e5b..69dfa1d3f453 100644
+--- a/drivers/block/null_blk.c
++++ b/drivers/block/null_blk.c
+@@ -467,7 +467,6 @@ static void nullb_device_release(struct config_item *item)
+ {
+ 	struct nullb_device *dev = to_nullb_device(item);
+ 
+-	badblocks_exit(&dev->badblocks);
+ 	null_free_device_storage(dev, false);
+ 	null_free_dev(dev);
+ }
+@@ -578,6 +577,10 @@ static struct nullb_device *null_alloc_dev(void)
+ 
+ static void null_free_dev(struct nullb_device *dev)
+ {
++	if (!dev)
++		return;
++
++	badblocks_exit(&dev->badblocks);
+ 	kfree(dev);
+ }
+ 
+diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
+index 4ebae43118ef..d8addbce40bc 100644
+--- a/drivers/cpufreq/Kconfig
++++ b/drivers/cpufreq/Kconfig
+@@ -275,6 +275,7 @@ config BMIPS_CPUFREQ
+ 
+ config LOONGSON2_CPUFREQ
+ 	tristate "Loongson2 CPUFreq Driver"
++	depends on LEMOTE_MACH2F
+ 	help
+ 	  This option adds a CPUFreq driver for loongson processors which
+ 	  support software configurable cpu frequency.
+@@ -287,6 +288,7 @@ config LOONGSON2_CPUFREQ
+ 
+ config LOONGSON1_CPUFREQ
+ 	tristate "Loongson1 CPUFreq Driver"
++	depends on LOONGSON1_LS1B
+ 	help
+ 	  This option adds a CPUFreq driver for loongson1 processors which
+ 	  support software configurable cpu frequency.
+diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
+index 3980f946874f..0626b33d2886 100644
+--- a/drivers/crypto/inside-secure/safexcel_hash.c
++++ b/drivers/crypto/inside-secure/safexcel_hash.c
+@@ -33,6 +33,8 @@ struct safexcel_ahash_req {
+ 	bool finish;
+ 	bool hmac;
+ 
++	int nents;
++
+ 	u8 state_sz;    /* expected sate size, only set once */
+ 	u32 state[SHA256_DIGEST_SIZE / sizeof(u32)];
+ 
+@@ -151,8 +153,10 @@ static int safexcel_handle_result(struct safexcel_crypto_priv *priv, int ring,
+ 		result_sz = crypto_ahash_digestsize(ahash);
+ 	memcpy(sreq->state, areq->result, result_sz);
+ 
+-	dma_unmap_sg(priv->dev, areq->src,
+-		     sg_nents_for_len(areq->src, areq->nbytes), DMA_TO_DEVICE);
++	if (sreq->nents) {
++		dma_unmap_sg(priv->dev, areq->src, sreq->nents, DMA_TO_DEVICE);
++		sreq->nents = 0;
++	}
+ 
+ 	safexcel_free_context(priv, async, sreq->state_sz);
+ 
+@@ -177,7 +181,7 @@ static int safexcel_ahash_send(struct crypto_async_request *async, int ring,
+ 	struct safexcel_command_desc *cdesc, *first_cdesc = NULL;
+ 	struct safexcel_result_desc *rdesc;
+ 	struct scatterlist *sg;
+-	int i, nents, queued, len, cache_len, extra, n_cdesc = 0, ret = 0;
++	int i, queued, len, cache_len, extra, n_cdesc = 0, ret = 0;
+ 
+ 	queued = len = req->len - req->processed;
+ 	if (queued < crypto_ahash_blocksize(ahash))
+@@ -185,17 +189,31 @@ static int safexcel_ahash_send(struct crypto_async_request *async, int ring,
+ 	else
+ 		cache_len = queued - areq->nbytes;
+ 
+-	/*
+-	 * If this is not the last request and the queued data does not fit
+-	 * into full blocks, cache it for the next send() call.
+-	 */
+-	extra = queued & (crypto_ahash_blocksize(ahash) - 1);
+-	if (!req->last_req && extra) {
+-		sg_pcopy_to_buffer(areq->src, sg_nents(areq->src),
+-				   req->cache_next, extra, areq->nbytes - extra);
+-
+-		queued -= extra;
+-		len -= extra;
++	if (!req->last_req) {
++		/* If this is not the last request and the queued data does not
++		 * fit into full blocks, cache it for the next send() call.
++		 */
++		extra = queued & (crypto_ahash_blocksize(ahash) - 1);
++		if (!extra)
++			/* If this is not the last request and the queued data
++			 * is a multiple of a block, cache the last one for now.
++			 */
++			extra = queued - crypto_ahash_blocksize(ahash);
++
++		if (extra) {
++			sg_pcopy_to_buffer(areq->src, sg_nents(areq->src),
++					   req->cache_next, extra,
++					   areq->nbytes - extra);
++
++			queued -= extra;
++			len -= extra;
++
++			if (!queued) {
++				*commands = 0;
++				*results = 0;
++				return 0;
++			}
++		}
+ 	}
+ 
+ 	spin_lock_bh(&priv->ring[ring].egress_lock);
+@@ -233,15 +251,15 @@ static int safexcel_ahash_send(struct crypto_async_request *async, int ring,
+ 	}
+ 
+ 	/* Now handle the current ahash request buffer(s) */
+-	nents = dma_map_sg(priv->dev, areq->src,
+-		       sg_nents_for_len(areq->src, areq->nbytes),
+-		       DMA_TO_DEVICE);
+-	if (!nents) {
++	req->nents = dma_map_sg(priv->dev, areq->src,
++				sg_nents_for_len(areq->src, areq->nbytes),
++				DMA_TO_DEVICE);
++	if (!req->nents) {
+ 		ret = -ENOMEM;
+ 		goto cdesc_rollback;
+ 	}
+ 
+-	for_each_sg(areq->src, sg, nents, i) {
++	for_each_sg(areq->src, sg, req->nents, i) {
+ 		int sglen = sg_dma_len(sg);
+ 
+ 		/* Do not overflow the request */
+diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig
+index 2b4c39fdfa91..86210f75d233 100644
+--- a/drivers/firmware/efi/Kconfig
++++ b/drivers/firmware/efi/Kconfig
+@@ -159,7 +159,10 @@ config RESET_ATTACK_MITIGATION
+ 	  using the TCG Platform Reset Attack Mitigation specification. This
+ 	  protects against an attacker forcibly rebooting the system while it
+ 	  still contains secrets in RAM, booting another OS and extracting the
+-	  secrets.
++	  secrets. This should only be enabled when userland is configured to
++	  clear the MemoryOverwriteRequest flag on clean shutdown after secrets
++	  have been evicted, since otherwise it will trigger even on clean
++	  reboots.
+ 
+ endmenu
+ 
+diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
+index f33d4a5fe671..af0baf8da295 100644
+--- a/drivers/gpio/gpio-ath79.c
++++ b/drivers/gpio/gpio-ath79.c
+@@ -323,3 +323,6 @@ static struct platform_driver ath79_gpio_driver = {
+ };
+ 
+ module_platform_driver(ath79_gpio_driver);
++
++MODULE_DESCRIPTION("Atheros AR71XX/AR724X/AR913X GPIO API support");
++MODULE_LICENSE("GPL v2");
+diff --git a/drivers/gpio/gpio-iop.c b/drivers/gpio/gpio-iop.c
+index 98c7ff2a76e7..8d62db447ec1 100644
+--- a/drivers/gpio/gpio-iop.c
++++ b/drivers/gpio/gpio-iop.c
+@@ -58,3 +58,7 @@ static int __init iop3xx_gpio_init(void)
+ 	return platform_driver_register(&iop3xx_gpio_driver);
+ }
+ arch_initcall(iop3xx_gpio_init);
++
++MODULE_DESCRIPTION("GPIO handling for Intel IOP3xx processors");
++MODULE_AUTHOR("Lennert Buytenhek <buytenh@××××××××××.org>");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
+index 16cbc5702865..491b0974c0fe 100644
+--- a/drivers/gpio/gpio-stmpe.c
++++ b/drivers/gpio/gpio-stmpe.c
+@@ -190,6 +190,16 @@ static void stmpe_gpio_irq_sync_unlock(struct irq_data *d)
+ 	};
+ 	int i, j;
+ 
++	/*
++	 * STMPE1600: to be able to get IRQ from pins,
++	 * a read must be done on GPMR register, or a write in
++	 * GPSR or GPCR registers
++	 */
++	if (stmpe->partnum == STMPE1600) {
++		stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_LSB]);
++		stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_CSB]);
++	}
++
+ 	for (i = 0; i < CACHE_NR_REGS; i++) {
+ 		/* STMPE801 and STMPE1600 don't have RE and FE registers */
+ 		if ((stmpe->partnum == STMPE801 ||
+@@ -227,21 +237,11 @@ static void stmpe_gpio_irq_unmask(struct irq_data *d)
+ {
+ 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ 	struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc);
+-	struct stmpe *stmpe = stmpe_gpio->stmpe;
+ 	int offset = d->hwirq;
+ 	int regoffset = offset / 8;
+ 	int mask = BIT(offset % 8);
+ 
+ 	stmpe_gpio->regs[REG_IE][regoffset] |= mask;
+-
+-	/*
+-	 * STMPE1600 workaround: to be able to get IRQ from pins,
+-	 * a read must be done on GPMR register, or a write in
+-	 * GPSR or GPCR registers
+-	 */
+-	if (stmpe->partnum == STMPE1600)
+-		stmpe_reg_read(stmpe,
+-			       stmpe->regs[STMPE_IDX_GPMR_LSB + regoffset]);
+ }
+ 
+ static void stmpe_dbg_show_one(struct seq_file *s,
+diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
+index eb80dac4e26a..bdd68ff197dc 100644
+--- a/drivers/gpio/gpiolib.c
++++ b/drivers/gpio/gpiolib.c
+@@ -723,6 +723,9 @@ static irqreturn_t lineevent_irq_thread(int irq, void *p)
+ 	struct gpioevent_data ge;
+ 	int ret, level;
+ 
++	/* Do not leak kernel stack to userspace */
++	memset(&ge, 0, sizeof(ge));
++
+ 	ge.timestamp = ktime_get_real_ns();
+ 	level = gpiod_get_value_cansleep(le->desc);
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+index b9dbbf9cb8b0..bdabaa3399db 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+@@ -369,29 +369,50 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd)
+ {
+ 	struct amdgpu_device *adev = get_amdgpu_device(kgd);
+ 	struct cik_sdma_rlc_registers *m;
++	unsigned long end_jiffies;
+ 	uint32_t sdma_base_addr;
++	uint32_t data;
+ 
+ 	m = get_sdma_mqd(mqd);
+ 	sdma_base_addr = get_sdma_base_addr(m);
+ 
+-	WREG32(sdma_base_addr + mmSDMA0_RLC0_VIRTUAL_ADDR,
+-			m->sdma_rlc_virtual_addr);
++	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
++		m->sdma_rlc_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
+ 
+-	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE,
+-			m->sdma_rlc_rb_base);
++	end_jiffies = msecs_to_jiffies(2000) + jiffies;
++	while (true) {
++		data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
++		if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
++			break;
++		if (time_after(jiffies, end_jiffies))
++			return -ETIME;
++		usleep_range(500, 1000);
++	}
++	if (m->sdma_engine_id) {
++		data = RREG32(mmSDMA1_GFX_CONTEXT_CNTL);
++		data = REG_SET_FIELD(data, SDMA1_GFX_CONTEXT_CNTL,
++				RESUME_CTX, 0);
++		WREG32(mmSDMA1_GFX_CONTEXT_CNTL, data);
++	} else {
++		data = RREG32(mmSDMA0_GFX_CONTEXT_CNTL);
++		data = REG_SET_FIELD(data, SDMA0_GFX_CONTEXT_CNTL,
++				RESUME_CTX, 0);
++		WREG32(mmSDMA0_GFX_CONTEXT_CNTL, data);
++	}
+ 
++	WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL,
++				m->sdma_rlc_doorbell);
++	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0);
++	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0);
++	WREG32(sdma_base_addr + mmSDMA0_RLC0_VIRTUAL_ADDR,
++				m->sdma_rlc_virtual_addr);
++	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdma_rlc_rb_base);
+ 	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI,
+ 			m->sdma_rlc_rb_base_hi);
+-
+ 	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
+ 			m->sdma_rlc_rb_rptr_addr_lo);
+-
+ 	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
+ 			m->sdma_rlc_rb_rptr_addr_hi);
+-
+-	WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL,
+-			m->sdma_rlc_doorbell);
+-
+ 	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
+ 			m->sdma_rlc_rb_cntl);
+ 
+@@ -564,9 +585,9 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
+ 	}
+ 
+ 	WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
+-	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0);
+-	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0);
+-	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, 0);
++	WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
++		RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) |
++		SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+index 60d8bedb694d..b5aa8e6f8e0b 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+@@ -403,6 +403,10 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
+ 		if (candidate->robj == validated)
+ 			break;
+ 
++		/* We can't move pinned BOs here */
++		if (bo->pin_count)
++			continue;
++
+ 		other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
+ 
+ 		/* Check if this BO is in one of the domains we need space for */
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+index 44ffd23348fc..164fa4b1f9a9 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+@@ -205,8 +205,8 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ 	struct cik_sdma_rlc_registers *m;
+ 
+ 	m = get_sdma_mqd(mqd);
+-	m->sdma_rlc_rb_cntl = ffs(q->queue_size / sizeof(unsigned int)) <<
+-			SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
++	m->sdma_rlc_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)
++			<< SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
+ 			q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT |
+ 			1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
+ 			6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT;
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+index 03bec765b03d..f9a1a4db9be7 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+@@ -184,6 +184,24 @@ int pqm_create_queue(struct process_queue_manager *pqm,
+ 
+ 	switch (type) {
+ 	case KFD_QUEUE_TYPE_SDMA:
++		if (dev->dqm->queue_count >=
++			CIK_SDMA_QUEUES_PER_ENGINE * CIK_SDMA_ENGINE_NUM) {
++			pr_err("Over-subscription is not allowed for SDMA.\n");
++			retval = -EPERM;
++			goto err_create_queue;
++		}
++
++		retval = create_cp_queue(pqm, dev, &q, properties, f, *qid);
++		if (retval != 0)
++			goto err_create_queue;
++		pqn->q = q;
++		pqn->kq = NULL;
++		retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd,
++						&q->properties.vmid);
++		pr_debug("DQM returned %d for create_queue\n", retval);
++		print_queue(q);
++		break;
++
+ 	case KFD_QUEUE_TYPE_COMPUTE:
+ 		/* check if there is over subscription */
+ 		if ((sched_policy == KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION) &&
+diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c
+index 0903ba574f61..75b0d3f6e4de 100644
+--- a/drivers/gpu/drm/bridge/lvds-encoder.c
++++ b/drivers/gpu/drm/bridge/lvds-encoder.c
+@@ -13,13 +13,37 @@
+ 
+ #include <linux/of_graph.h>
+ 
++struct lvds_encoder {
++	struct drm_bridge bridge;
++	struct drm_bridge *panel_bridge;
++};
++
++static int lvds_encoder_attach(struct drm_bridge *bridge)
++{
++	struct lvds_encoder *lvds_encoder = container_of(bridge,
++							 struct lvds_encoder,
++							 bridge);
++
++	return drm_bridge_attach(bridge->encoder, lvds_encoder->panel_bridge,
++				 bridge);
++}
++
++static struct drm_bridge_funcs funcs = {
++	.attach = lvds_encoder_attach,
++};
++
+ static int lvds_encoder_probe(struct platform_device *pdev)
+ {
+ 	struct device_node *port;
+ 	struct device_node *endpoint;
+ 	struct device_node *panel_node;
+ 	struct drm_panel *panel;
+-	struct drm_bridge *bridge;
++	struct lvds_encoder *lvds_encoder;
++
++	lvds_encoder = devm_kzalloc(&pdev->dev, sizeof(*lvds_encoder),
++				    GFP_KERNEL);
++	if (!lvds_encoder)
++		return -ENOMEM;
+ 
+ 	/* Locate the panel DT node. */
+ 	port = of_graph_get_port_by_id(pdev->dev.of_node, 1);
+@@ -49,20 +73,30 @@ static int lvds_encoder_probe(struct platform_device *pdev)
+ 		return -EPROBE_DEFER;
+ 	}
+ 
+-	bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_LVDS);
+-	if (IS_ERR(bridge))
+-		return PTR_ERR(bridge);
++	lvds_encoder->panel_bridge =
++		devm_drm_panel_bridge_add(&pdev->dev,
++					  panel, DRM_MODE_CONNECTOR_LVDS);
++	if (IS_ERR(lvds_encoder->panel_bridge))
++		return PTR_ERR(lvds_encoder->panel_bridge);
++
++	/* The panel_bridge bridge is attached to the panel's of_node,
++	 * but we need a bridge attached to our of_node for our user
++	 * to look up.
++	 */
++	lvds_encoder->bridge.of_node = pdev->dev.of_node;
++	lvds_encoder->bridge.funcs = &funcs;
++	drm_bridge_add(&lvds_encoder->bridge);
+ 
+-	platform_set_drvdata(pdev, bridge);
++	platform_set_drvdata(pdev, lvds_encoder);
+ 
+ 	return 0;
+ }
+ 
+ static int lvds_encoder_remove(struct platform_device *pdev)
+ {
+-	struct drm_bridge *bridge = platform_get_drvdata(pdev);
++	struct lvds_encoder *lvds_encoder = platform_get_drvdata(pdev);
+ 
+-	drm_bridge_remove(bridge);
++	drm_bridge_remove(&lvds_encoder->bridge);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
+index 8571cfd877c5..8636e7eeb731 100644
+--- a/drivers/gpu/drm/bridge/tc358767.c
++++ b/drivers/gpu/drm/bridge/tc358767.c
+@@ -97,7 +97,7 @@
+ #define DP0_ACTIVEVAL		0x0650
+ #define DP0_SYNCVAL		0x0654
+ #define DP0_MISC		0x0658
+-#define TU_SIZE_RECOMMENDED		(0x3f << 16) /* LSCLK cycles per TU */
++#define TU_SIZE_RECOMMENDED		(63) /* LSCLK cycles per TU */
+ #define BPC_6				(0 << 5)
+ #define BPC_8				(1 << 5)
+ 
+@@ -318,7 +318,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
+ 				tmp = (tmp << 8) | buf[i];
+ 			i++;
+ 			if (((i % 4) == 0) || (i == size)) {
+-				tc_write(DP0_AUXWDATA(i >> 2), tmp);
++				tc_write(DP0_AUXWDATA((i - 1) >> 2), tmp);
+ 				tmp = 0;
+ 			}
+ 		}
+@@ -603,8 +603,15 @@ static int tc_get_display_props(struct tc_data *tc)
+ 	ret = drm_dp_link_probe(&tc->aux, &tc->link.base);
+ 	if (ret < 0)
+ 		goto err_dpcd_read;
+-	if ((tc->link.base.rate != 162000) && (tc->link.base.rate != 270000))
+-		goto err_dpcd_inval;
++	if (tc->link.base.rate != 162000 && tc->link.base.rate != 270000) {
++		dev_dbg(tc->dev, "Falling to 2.7 Gbps rate\n");
++		tc->link.base.rate = 270000;
++	}
++
++	if (tc->link.base.num_lanes > 2) {
++		dev_dbg(tc->dev, "Falling to 2 lanes\n");
++		tc->link.base.num_lanes = 2;
++	}
+ 
+ 	ret = drm_dp_dpcd_readb(&tc->aux, DP_MAX_DOWNSPREAD, tmp);
+ 	if (ret < 0)
+@@ -637,9 +644,6 @@ static int tc_get_display_props(struct tc_data *tc)
+ err_dpcd_read:
+ 	dev_err(tc->dev, "failed to read DPCD: %d\n", ret);
+ 	return ret;
+-err_dpcd_inval:
+-	dev_err(tc->dev, "invalid DPCD\n");
+-	return -EINVAL;
+ }
+ 
+ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
+@@ -655,6 +659,14 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
+ 	int lower_margin = mode->vsync_start - mode->vdisplay;
+ 	int vsync_len = mode->vsync_end - mode->vsync_start;
+ 
++	/*
++	 * Recommended maximum number of symbols transferred in a transfer unit:
++	 * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size,
++	 *              (output active video bandwidth in bytes))
++	 * Must be less than tu_size.
++	 */
++	max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
++
+ 	dev_dbg(tc->dev, "set mode %dx%d\n",
+ 		mode->hdisplay, mode->vdisplay);
+ 	dev_dbg(tc->dev, "H margin %d,%d sync %d\n",
+@@ -664,13 +676,18 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
+ 	dev_dbg(tc->dev, "total: %dx%d\n", mode->htotal, mode->vtotal);
+ 
+ 
+-	/* LCD Ctl Frame Size */
+-	tc_write(VPCTRL0, (0x40 << 20) /* VSDELAY */ |
++	/*
++	 * LCD Ctl Frame Size
++	 * datasheet is not clear of vsdelay in case of DPI
++	 * assume we do not need any delay when DPI is a source of
++	 * sync signals
++	 */
++	tc_write(VPCTRL0, (0 << 20) /* VSDELAY */ |
+ 		 OPXLFMT_RGB888 | FRMSYNC_DISABLED | MSF_DISABLED);
+-	tc_write(HTIM01, (left_margin << 16) |		/* H back porch */
+-			 (hsync_len << 0));		/* Hsync */
+-	tc_write(HTIM02, (right_margin << 16) |		/* H front porch */
+-			 (mode->hdisplay << 0));	/* width */
++	tc_write(HTIM01, (ALIGN(left_margin, 2) << 16) | /* H back porch */
++			 (ALIGN(hsync_len, 2) << 0));	 /* Hsync */
++	tc_write(HTIM02, (ALIGN(right_margin, 2) << 16) |  /* H front porch */
++			 (ALIGN(mode->hdisplay, 2) << 0)); /* width */
+ 	tc_write(VTIM01, (upper_margin << 16) |		/* V back porch */
+ 			 (vsync_len << 0));		/* Vsync */
+ 	tc_write(VTIM02, (lower_margin << 16) |		/* V front porch */
+@@ -689,7 +706,7 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
+ 	/* DP Main Stream Attributes */
+ 	vid_sync_dly = hsync_len + left_margin + mode->hdisplay;
+ 	tc_write(DP0_VIDSYNCDELAY,
+-		 (0x003e << 16) |	/* thresh_dly */
++		 (max_tu_symbol << 16) |	/* thresh_dly */
+ 		 (vid_sync_dly << 0));
+ 
+ 	tc_write(DP0_TOTALVAL, (mode->vtotal << 16) | (mode->htotal));
+@@ -705,14 +722,8 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
+ 	tc_write(DPIPXLFMT, VS_POL_ACTIVE_LOW | HS_POL_ACTIVE_LOW |
+ 		 DE_POL_ACTIVE_HIGH | SUB_CFG_TYPE_CONFIG1 | DPI_BPP_RGB888);
+ 
+-	/*
+-	 * Recommended maximum number of symbols transferred in a transfer unit:
+-	 * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size,
+-	 *              (output active video bandwidth in bytes))
+-	 * Must be less than tu_size.
+-	 */
+-	max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
+-	tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8);
++	tc_write(DP0_MISC, (max_tu_symbol << 23) | (TU_SIZE_RECOMMENDED << 16) |
++			   BPC_8);
+ 
+ 	return 0;
+ err:
+@@ -808,8 +819,6 @@ static int tc_main_link_setup(struct tc_data *tc)
+ 	unsigned int rate;
+ 	u32 dp_phy_ctrl;
+ 	int timeout;
+-	bool aligned;
+-	bool ready;
+ 	u32 value;
+ 	int ret;
+ 	u8 tmp[8];
+@@ -954,16 +963,15 @@ static int tc_main_link_setup(struct tc_data *tc)
+ 		ret = drm_dp_dpcd_read_link_status(aux, tmp + 2);
+ 		if (ret < 0)
+ 			goto err_dpcd_read;
+-		ready = (tmp[2] == ((DP_CHANNEL_EQ_BITS << 4) | /* Lane1 */
+-				     DP_CHANNEL_EQ_BITS));      /* Lane0 */
+-		aligned = tmp[4] & DP_INTERLANE_ALIGN_DONE;
+-	} while ((--timeout) && !(ready && aligned));
++	} while ((--timeout) &&
++		 !(drm_dp_channel_eq_ok(tmp + 2,  tc->link.base.num_lanes)));
+ 
+ 	if (timeout == 0) {
+ 		/* Read DPCD 0x200-0x201 */
+ 		ret = drm_dp_dpcd_read(aux, DP_SINK_COUNT, tmp, 2);
+ 		if (ret < 0)
+ 			goto err_dpcd_read;
++		dev_err(dev, "channel(s) EQ not ok\n");
+ 		dev_info(dev, "0x0200 SINK_COUNT: 0x%02x\n", tmp[0]);
+ 		dev_info(dev, "0x0201 DEVICE_SERVICE_IRQ_VECTOR: 0x%02x\n",
+ 			 tmp[1]);
+@@ -974,10 +982,6 @@ static int tc_main_link_setup(struct tc_data *tc)
+ 		dev_info(dev, "0x0206 ADJUST_REQUEST_LANE0_1: 0x%02x\n",
+ 			 tmp[6]);
+ 
+-		if (!ready)
+-			dev_err(dev, "Lane0/1 not ready\n");
+-		if (!aligned)
+-			dev_err(dev, "Lane0/1 not aligned\n");
+ 		return -EAGAIN;
+ 	}
+ 
+@@ -1099,7 +1103,10 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge,
+ static int tc_connector_mode_valid(struct drm_connector *connector,
+ 				   struct drm_display_mode *mode)
+ {
+-	/* Accept any mode */
++	/* DPI interface clock limitation: upto 154 MHz */
++	if (mode->clock > 154000)
++		return MODE_CLOCK_HIGH;
++
+ 	return MODE_OK;
+ }
+ 
+diff --git a/drivers/gpu/drm/omapdrm/displays/Kconfig b/drivers/gpu/drm/omapdrm/displays/Kconfig
+index c226da145fb3..a349cb61961e 100644
+--- a/drivers/gpu/drm/omapdrm/displays/Kconfig
++++ b/drivers/gpu/drm/omapdrm/displays/Kconfig
+@@ -35,6 +35,7 @@ config DRM_OMAP_CONNECTOR_ANALOG_TV
+ 
+ config DRM_OMAP_PANEL_DPI
+ 	tristate "Generic DPI panel"
++	depends on BACKLIGHT_CLASS_DEVICE
+ 	help
+ 	  Driver for generic DPI panels.
+ 
+diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+index 1dd3dafc59af..c60a85e82c6d 100644
+--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
++++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+@@ -638,7 +638,8 @@ static int omap_dmm_probe(struct platform_device *dev)
+ 		match = of_match_node(dmm_of_match, dev->dev.of_node);
+ 		if (!match) {
+ 			dev_err(&dev->dev, "failed to find matching device node\n");
+-			return -ENODEV;
++			ret = -ENODEV;
++			goto fail;
+ 		}
+ 
+ 		omap_dmm->plat_data = match->data;
+diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+index 9a20b9dc27c8..f7fc652b0027 100644
+--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
++++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+@@ -1275,8 +1275,6 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
+ 		goto err_pllref;
+ 	}
+ 
+-	pm_runtime_enable(dev);
+-
+ 	dsi->dsi_host.ops = &dw_mipi_dsi_host_ops;
+ 	dsi->dsi_host.dev = dev;
+ 	ret = mipi_dsi_host_register(&dsi->dsi_host);
+@@ -1291,6 +1289,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
+ 	}
+ 
+ 	dev_set_drvdata(dev, dsi);
++	pm_runtime_enable(dev);
+ 	return 0;
+ 
+ err_mipi_dsi_host:
+diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c
+index 7d7af3a93d94..521addec831e 100644
+--- a/drivers/gpu/drm/vc4/vc4_irq.c
++++ b/drivers/gpu/drm/vc4/vc4_irq.c
+@@ -225,6 +225,9 @@ vc4_irq_uninstall(struct drm_device *dev)
+ 	/* Clear any pending interrupts we might have left. */
+ 	V3D_WRITE(V3D_INTCTL, V3D_DRIVER_IRQS);
+ 
++	/* Finish any interrupt handler still in flight. */
++	disable_irq(dev->irq);
++
+ 	cancel_work_sync(&vc4->overflow_mem_work);
+ }
+ 
+diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c
+index 622cd43840b8..493f392b3a0a 100644
+--- a/drivers/gpu/drm/vc4/vc4_v3d.c
++++ b/drivers/gpu/drm/vc4/vc4_v3d.c
+@@ -327,6 +327,9 @@ static int vc4_v3d_runtime_resume(struct device *dev)
+ 		return ret;
+ 
+ 	vc4_v3d_init_hw(vc4->dev);
++
++	/* We disabled the IRQ as part of vc4_irq_uninstall in suspend. */
++	enable_irq(vc4->dev->irq);
+ 	vc4_irq_postinstall(vc4->dev);
+ 
+ 	return 0;
+diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
+index 906e654fb0ba..65f1cfbbe7fe 100644
+--- a/drivers/hid/wacom_sys.c
++++ b/drivers/hid/wacom_sys.c
+@@ -2340,23 +2340,23 @@ static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index)
+ 	int i;
+ 	unsigned long flags;
+ 
+-	spin_lock_irqsave(&remote->remote_lock, flags);
+-	remote->remotes[index].registered = false;
+-	spin_unlock_irqrestore(&remote->remote_lock, flags);
++	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
++		if (remote->remotes[i].serial == serial) {
+ 
+-	if (remote->remotes[index].battery.battery)
+-		devres_release_group(&wacom->hdev->dev,
+-				     &remote->remotes[index].battery.bat_desc);
++			spin_lock_irqsave(&remote->remote_lock, flags);
++			remote->remotes[i].registered = false;
++			spin_unlock_irqrestore(&remote->remote_lock, flags);
+ 
+-	if (remote->remotes[index].group.name)
+-		devres_release_group(&wacom->hdev->dev,
+-				     &remote->remotes[index]);
++			if (remote->remotes[i].battery.battery)
++				devres_release_group(&wacom->hdev->dev,
++						     &remote->remotes[i].battery.bat_desc);
++
++			if (remote->remotes[i].group.name)
++				devres_release_group(&wacom->hdev->dev,
++						     &remote->remotes[i]);
+ 
+-	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
+-		if (remote->remotes[i].serial == serial) {
+ 			remote->remotes[i].serial = 0;
+ 			remote->remotes[i].group.name = NULL;
+-			remote->remotes[i].registered = false;
+ 			remote->remotes[i].battery.battery = NULL;
+ 			wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN;
+ 		}
+diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
+index aa692e28b2cd..70cbe1e5a3d2 100644
+--- a/drivers/hid/wacom_wac.c
++++ b/drivers/hid/wacom_wac.c
+@@ -1924,7 +1924,6 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field
+ 	struct wacom_features *features = &wacom_wac->features;
+ 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
+ 	int i;
+-	bool is_touch_on = value;
+ 	bool do_report = false;
+ 
+ 	/*
+@@ -1969,16 +1968,17 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field
+ 		break;
+ 
+ 	case WACOM_HID_WD_MUTE_DEVICE:
+-		if (wacom_wac->shared->touch_input && value) {
+-			wacom_wac->shared->is_touch_on = !wacom_wac->shared->is_touch_on;
+-			is_touch_on = wacom_wac->shared->is_touch_on;
+-		}
+-
+-		/* fall through*/
+ 	case WACOM_HID_WD_TOUCHONOFF:
+ 		if (wacom_wac->shared->touch_input) {
++			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
++
++			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
++				*is_touch_on = !(*is_touch_on);
++			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
++				*is_touch_on = value;
++
+ 			input_report_switch(wacom_wac->shared->touch_input,
+-					    SW_MUTE_DEVICE, !is_touch_on);
++					    SW_MUTE_DEVICE, !(*is_touch_on));
+ 			input_sync(wacom_wac->shared->touch_input);
+ 		}
+ 		break;
+diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
+index 52a58b8b6e1b..a139940cd991 100644
+--- a/drivers/hwmon/pmbus/pmbus_core.c
++++ b/drivers/hwmon/pmbus/pmbus_core.c
+@@ -21,6 +21,7 @@
+ 
+ #include <linux/debugfs.h>
+ #include <linux/kernel.h>
++#include <linux/math64.h>
+ #include <linux/module.h>
+ #include <linux/init.h>
+ #include <linux/err.h>
+@@ -499,8 +500,8 @@ static long pmbus_reg2data_linear(struct pmbus_data *data,
+ static long pmbus_reg2data_direct(struct pmbus_data *data,
+ 				  struct pmbus_sensor *sensor)
+ {
+-	long val = (s16) sensor->data;
+-	long m, b, R;
++	s64 b, val = (s16)sensor->data;
++	s32 m, R;
+ 
+ 	m = data->info->m[sensor->class];
+ 	b = data->info->b[sensor->class];
+@@ -528,11 +529,12 @@ static long pmbus_reg2data_direct(struct pmbus_data *data,
+ 		R--;
+ 	}
+ 	while (R < 0) {
+-		val = DIV_ROUND_CLOSEST(val, 10);
++		val = div_s64(val + 5LL, 10L);  /* round closest */
+ 		R++;
+ 	}
+ 
+-	return (val - b) / m;
++	val = div_s64(val - b, m);
++	return clamp_val(val, LONG_MIN, LONG_MAX);
+ }
+ 
+ /*
+@@ -656,7 +658,8 @@ static u16 pmbus_data2reg_linear(struct pmbus_data *data,
+ static u16 pmbus_data2reg_direct(struct pmbus_data *data,
+ 				 struct pmbus_sensor *sensor, long val)
+ {
+-	long m, b, R;
++	s64 b, val64 = val;
++	s32 m, R;
+ 
+ 	m = data->info->m[sensor->class];
+ 	b = data->info->b[sensor->class];
+@@ -673,18 +676,18 @@ static u16 pmbus_data2reg_direct(struct pmbus_data *data,
+ 		R -= 3;		/* Adjust R and b for data in milli-units */
+ 		b *= 1000;
+ 	}
+-	val = val * m + b;
++	val64 = val64 * m + b;
+ 
+ 	while (R > 0) {
+-		val *= 10;
++		val64 *= 10;
+ 		R--;
+ 	}
+ 	while (R < 0) {
+-		val = DIV_ROUND_CLOSEST(val, 10);
++		val64 = div_s64(val64 + 5LL, 10L);  /* round closest */
+ 		R++;
+ 	}
+ 
+-	return val;
++	return (u16)clamp_val(val64, S16_MIN, S16_MAX);
+ }
+ 
+ static u16 pmbus_data2reg_vid(struct pmbus_data *data,
+diff --git a/drivers/i2c/i2c-boardinfo.c b/drivers/i2c/i2c-boardinfo.c
+index 31186ead5a40..509a6007cdf6 100644
+--- a/drivers/i2c/i2c-boardinfo.c
++++ b/drivers/i2c/i2c-boardinfo.c
+@@ -86,6 +86,7 @@ int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsig
+ 					property_entries_dup(info->properties);
+ 			if (IS_ERR(devinfo->board_info.properties)) {
+ 				status = PTR_ERR(devinfo->board_info.properties);
++				kfree(devinfo);
+ 				break;
+ 			}
+ 		}
+@@ -98,6 +99,7 @@ int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsig
+ 					GFP_KERNEL);
+ 			if (!devinfo->board_info.resources) {
+ 				status = -ENOMEM;
++				kfree(devinfo);
+ 				break;
+ 			}
+ 		}
+diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
+index 4df32cf1650e..172753b14a4f 100644
+--- a/drivers/iio/adc/stm32-adc.c
++++ b/drivers/iio/adc/stm32-adc.c
+@@ -1314,6 +1314,7 @@ static int stm32_adc_set_watermark(struct iio_dev *indio_dev, unsigned int val)
+ {
+ 	struct stm32_adc *adc = iio_priv(indio_dev);
+ 	unsigned int watermark = STM32_DMA_BUFFER_SIZE / 2;
++	unsigned int rx_buf_sz = STM32_DMA_BUFFER_SIZE;
+ 
+ 	/*
+ 	 * dma cyclic transfers are used, buffer is split into two periods.
+@@ -1322,7 +1323,7 @@ static int stm32_adc_set_watermark(struct iio_dev *indio_dev, unsigned int val)
+ 	 * - one buffer (period) driver can push with iio_trigger_poll().
+ 	 */
+ 	watermark = min(watermark, val * (unsigned)(sizeof(u16)));
+-	adc->rx_buf_sz = watermark * 2;
++	adc->rx_buf_sz = min(rx_buf_sz, watermark * 2 * adc->num_conv);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/iio/chemical/ccs811.c b/drivers/iio/chemical/ccs811.c
+index 840a6cbd5f0f..8cfac6d1cec4 100644
+--- a/drivers/iio/chemical/ccs811.c
++++ b/drivers/iio/chemical/ccs811.c
+@@ -91,7 +91,6 @@ static const struct iio_chan_spec ccs811_channels[] = {
+ 		.channel2 = IIO_MOD_CO2,
+ 		.modified = 1,
+ 		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+-				      BIT(IIO_CHAN_INFO_OFFSET) |
+ 				      BIT(IIO_CHAN_INFO_SCALE),
+ 		.scan_index = 0,
+ 		.scan_type = {
+@@ -245,24 +244,18 @@ static int ccs811_read_raw(struct iio_dev *indio_dev,
+ 			switch (chan->channel2) {
+ 			case IIO_MOD_CO2:
+ 				*val = 0;
+-				*val2 = 12834;
++				*val2 = 100;
+ 				return IIO_VAL_INT_PLUS_MICRO;
+ 			case IIO_MOD_VOC:
+ 				*val = 0;
+-				*val2 = 84246;
+-				return IIO_VAL_INT_PLUS_MICRO;
++				*val2 = 100;
++				return IIO_VAL_INT_PLUS_NANO;
+ 			default:
+ 				return -EINVAL;
+ 			}
+ 		default:
+ 			return -EINVAL;
+ 		}
+-	case IIO_CHAN_INFO_OFFSET:
+-		if (!(chan->type == IIO_CONCENTRATION &&
+-		      chan->channel2 == IIO_MOD_CO2))
+-			return -EINVAL;
+-		*val = -400;
+-		return IIO_VAL_INT;
+ 	default:
+ 		return -EINVAL;
+ 	}
+diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
+index 141ea228aac6..f5954981e9ee 100644
+--- a/drivers/input/rmi4/rmi_driver.c
++++ b/drivers/input/rmi4/rmi_driver.c
+@@ -41,6 +41,13 @@ void rmi_free_function_list(struct rmi_device *rmi_dev)
+ 
+ 	rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, "Freeing function list\n");
+ 
++	/* Doing it in the reverse order so F01 will be removed last */
++	list_for_each_entry_safe_reverse(fn, tmp,
++					 &data->function_list, node) {
++		list_del(&fn->node);
++		rmi_unregister_function(fn);
++	}
++
+ 	devm_kfree(&rmi_dev->dev, data->irq_memory);
+ 	data->irq_memory = NULL;
+ 	data->irq_status = NULL;
+@@ -50,13 +57,6 @@ void rmi_free_function_list(struct rmi_device *rmi_dev)
+ 
+ 	data->f01_container = NULL;
+ 	data->f34_container = NULL;
+-
+-	/* Doing it in the reverse order so F01 will be removed last */
+-	list_for_each_entry_safe_reverse(fn, tmp,
+-					 &data->function_list, node) {
+-		list_del(&fn->node);
+-		rmi_unregister_function(fn);
+-	}
+ }
+ 
+ static int reset_one_function(struct rmi_function *fn)
+diff --git a/drivers/input/rmi4/rmi_f03.c b/drivers/input/rmi4/rmi_f03.c
+index ad71a5e768dc..7ccbb370a9a8 100644
+--- a/drivers/input/rmi4/rmi_f03.c
++++ b/drivers/input/rmi4/rmi_f03.c
+@@ -32,6 +32,7 @@ struct f03_data {
+ 	struct rmi_function *fn;
+ 
+ 	struct serio *serio;
++	bool serio_registered;
+ 
+ 	unsigned int overwrite_buttons;
+ 
+@@ -138,6 +139,37 @@ static int rmi_f03_initialize(struct f03_data *f03)
+ 	return 0;
+ }
+ 
++static int rmi_f03_pt_open(struct serio *serio)
++{
++	struct f03_data *f03 = serio->port_data;
++	struct rmi_function *fn = f03->fn;
++	const u8 ob_len = f03->rx_queue_length * RMI_F03_OB_SIZE;
++	const u16 data_addr = fn->fd.data_base_addr + RMI_F03_OB_OFFSET;
++	u8 obs[RMI_F03_QUEUE_LENGTH * RMI_F03_OB_SIZE];
++	int error;
++
++	/*
++	 * Consume any pending data. Some devices like to spam with
++	 * 0xaa 0x00 announcements which may confuse us as we try to
++	 * probe the device.
++	 */
++	error = rmi_read_block(fn->rmi_dev, data_addr, &obs, ob_len);
++	if (!error)
++		rmi_dbg(RMI_DEBUG_FN, &fn->dev,
++			"%s: Consumed %*ph (%d) from PS2 guest\n",
++			__func__, ob_len, obs, ob_len);
++
++	return fn->rmi_dev->driver->set_irq_bits(fn->rmi_dev, fn->irq_mask);
++}
++
++static void rmi_f03_pt_close(struct serio *serio)
++{
++	struct f03_data *f03 = serio->port_data;
++	struct rmi_function *fn = f03->fn;
++
++	fn->rmi_dev->driver->clear_irq_bits(fn->rmi_dev, fn->irq_mask);
++}
++
+ static int rmi_f03_register_pt(struct f03_data *f03)
+ {
+ 	struct serio *serio;
+@@ -148,6 +180,8 @@ static int rmi_f03_register_pt(struct f03_data *f03)
+ 
+ 	serio->id.type = SERIO_PS_PSTHRU;
+ 	serio->write = rmi_f03_pt_write;
++	serio->open = rmi_f03_pt_open;
++	serio->close = rmi_f03_pt_close;
+ 	serio->port_data = f03;
+ 
+ 	strlcpy(serio->name, "Synaptics RMI4 PS/2 pass-through",
+@@ -184,17 +218,27 @@ static int rmi_f03_probe(struct rmi_function *fn)
+ 			 f03->device_count);
+ 
+ 	dev_set_drvdata(dev, f03);
+-
+-	error = rmi_f03_register_pt(f03);
+-	if (error)
+-		return error;
+-
+ 	return 0;
+ }
+ 
+ static int rmi_f03_config(struct rmi_function *fn)
+ {
+-	fn->rmi_dev->driver->set_irq_bits(fn->rmi_dev, fn->irq_mask);
++	struct f03_data *f03 = dev_get_drvdata(&fn->dev);
++	int error;
++
++	if (!f03->serio_registered) {
++		error = rmi_f03_register_pt(f03);
++		if (error)
++			return error;
++
++		f03->serio_registered = true;
++	} else {
++		/*
++		 * We must be re-configuring the sensor, just enable
++		 * interrupts for this function.
++		 */
++		fn->rmi_dev->driver->set_irq_bits(fn->rmi_dev, fn->irq_mask);
++	}
+ 
+ 	return 0;
+ }
+@@ -204,7 +248,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
+ 	struct rmi_device *rmi_dev = fn->rmi_dev;
+ 	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
+ 	struct f03_data *f03 = dev_get_drvdata(&fn->dev);
+-	u16 data_addr = fn->fd.data_base_addr;
++	const u16 data_addr = fn->fd.data_base_addr + RMI_F03_OB_OFFSET;
+ 	const u8 ob_len = f03->rx_queue_length * RMI_F03_OB_SIZE;
+ 	u8 obs[RMI_F03_QUEUE_LENGTH * RMI_F03_OB_SIZE];
+ 	u8 ob_status;
+@@ -226,8 +270,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
+ 		drvdata->attn_data.size -= ob_len;
+ 	} else {
+ 		/* Grab all of the data registers, and check them for data */
+-		error = rmi_read_block(fn->rmi_dev, data_addr + RMI_F03_OB_OFFSET,
+-				       &obs, ob_len);
++		error = rmi_read_block(fn->rmi_dev, data_addr, &obs, ob_len);
+ 		if (error) {
+ 			dev_err(&fn->dev,
+ 				"%s: Failed to read F03 output buffers: %d\n",
+@@ -266,7 +309,8 @@ static void rmi_f03_remove(struct rmi_function *fn)
+ {
+ 	struct f03_data *f03 = dev_get_drvdata(&fn->dev);
+ 
+-	serio_unregister_port(f03->serio);
++	if (f03->serio_registered)
++		serio_unregister_port(f03->serio);
+ }
+ 
+ struct rmi_function_handler rmi_f03_handler = {
+diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
+index 658c54b3b07a..1598d1e04989 100644
+--- a/drivers/md/bcache/btree.c
++++ b/drivers/md/bcache/btree.c
+@@ -807,7 +807,10 @@ int bch_btree_cache_alloc(struct cache_set *c)
+ 	c->shrink.scan_objects = bch_mca_scan;
+ 	c->shrink.seeks = 4;
+ 	c->shrink.batch = c->btree_pages * 2;
+-	register_shrinker(&c->shrink);
++
++	if (register_shrinker(&c->shrink))
++		pr_warn("bcache: %s: could not register shrinker",
++				__func__);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/media/usb/usbtv/usbtv-core.c b/drivers/media/usb/usbtv/usbtv-core.c
+index f06f09a0876e..71fb5734995b 100644
+--- a/drivers/media/usb/usbtv/usbtv-core.c
++++ b/drivers/media/usb/usbtv/usbtv-core.c
+@@ -144,6 +144,7 @@ static void usbtv_disconnect(struct usb_interface *intf)
+ 
+ static const struct usb_device_id usbtv_id_table[] = {
+ 	{ USB_DEVICE(0x1b71, 0x3002) },
++	{ USB_DEVICE(0x1f71, 0x3301) },
+ 	{}
+ };
+ MODULE_DEVICE_TABLE(usb, usbtv_id_table);
+diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
+index 78b3172c8e6e..d46cb1f0868f 100644
+--- a/drivers/misc/mei/pci-me.c
++++ b/drivers/misc/mei/pci-me.c
+@@ -238,8 +238,11 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ 	 */
+ 	mei_me_set_pm_domain(dev);
+ 
+-	if (mei_pg_is_enabled(dev))
++	if (mei_pg_is_enabled(dev)) {
+ 		pm_runtime_put_noidle(&pdev->dev);
++		if (hw->d0i3_supported)
++			pm_runtime_allow(&pdev->dev);
++	}
+ 
+ 	dev_dbg(&pdev->dev, "initialization successful.\n");
+ 
+diff --git a/drivers/mtd/nand/denali_pci.c b/drivers/mtd/nand/denali_pci.c
+index 81370c79aa48..7ad0db65a6fa 100644
+--- a/drivers/mtd/nand/denali_pci.c
++++ b/drivers/mtd/nand/denali_pci.c
+@@ -124,3 +124,7 @@ static struct pci_driver denali_pci_driver = {
+ };
+ 
+ module_pci_driver(denali_pci_driver);
++
++MODULE_DESCRIPTION("PCI driver for Denali NAND controller");
++MODULE_AUTHOR("Intel Corporation and its suppliers");
++MODULE_LICENSE("GPL v2");
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+index 3cbe771b3352..a22336fef66b 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+@@ -2133,8 +2133,8 @@ static int bnxt_get_module_eeprom(struct net_device *dev,
+ 	/* Read A2 portion of the EEPROM */
+ 	if (length) {
+ 		start -= ETH_MODULE_SFF_8436_LEN;
+-		bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
+-						 length, data);
++		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
++						      start, length, data);
+ 	}
+ 	return rc;
+ }
+diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
+index 667dbc7d4a4e..d1a44a84c97e 100644
+--- a/drivers/net/ethernet/intel/igb/igb_main.c
++++ b/drivers/net/ethernet/intel/igb/igb_main.c
+@@ -3331,7 +3331,7 @@ static int __igb_close(struct net_device *netdev, bool suspending)
+ 
+ int igb_close(struct net_device *netdev)
+ {
+-	if (netif_device_present(netdev))
++	if (netif_device_present(netdev) || netdev->dismantle)
+ 		return __igb_close(netdev, false);
+ 	return 0;
+ }
+diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
+index d147dc7d0f77..1dd3a1264a53 100644
+--- a/drivers/net/ethernet/marvell/mvpp2.c
++++ b/drivers/net/ethernet/marvell/mvpp2.c
+@@ -5597,7 +5597,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
+ 						sizeof(*txq_pcpu->buffs),
+ 						GFP_KERNEL);
+ 		if (!txq_pcpu->buffs)
+-			goto cleanup;
++			return -ENOMEM;
+ 
+ 		txq_pcpu->count = 0;
+ 		txq_pcpu->reserved_num = 0;
+@@ -5610,26 +5610,10 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
+ 					   &txq_pcpu->tso_headers_dma,
+ 					   GFP_KERNEL);
+ 		if (!txq_pcpu->tso_headers)
+-			goto cleanup;
++			return -ENOMEM;
+ 	}
+ 
+ 	return 0;
+-cleanup:
+-	for_each_present_cpu(cpu) {
+-		txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
+-		kfree(txq_pcpu->buffs);
+-
+-		dma_free_coherent(port->dev->dev.parent,
+-				  txq_pcpu->size * TSO_HEADER_SIZE,
+-				  txq_pcpu->tso_headers,
+-				  txq_pcpu->tso_headers_dma);
+-	}
+-
+-	dma_free_coherent(port->dev->dev.parent,
+-			  txq->size * MVPP2_DESC_ALIGNED_SIZE,
+-			  txq->descs, txq->descs_dma);
+-
+-	return -ENOMEM;
+ }
+ 
+ /* Free allocated TXQ resources */
+diff --git a/drivers/net/ethernet/xilinx/Kconfig b/drivers/net/ethernet/xilinx/Kconfig
+index 6d68c8a8f4f2..da4ec575ccf9 100644
+--- a/drivers/net/ethernet/xilinx/Kconfig
++++ b/drivers/net/ethernet/xilinx/Kconfig
+@@ -34,6 +34,7 @@ config XILINX_AXI_EMAC
+ config XILINX_LL_TEMAC
+ 	tristate "Xilinx LL TEMAC (LocalLink Tri-mode Ethernet MAC) driver"
+ 	depends on (PPC || MICROBLAZE)
++	depends on !64BIT || BROKEN
+ 	select PHYLIB
+ 	---help---
+ 	  This driver supports the Xilinx 10/100/1000 LocalLink TEMAC
+diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
+index aebc08beceba..21b3f36e023a 100644
+--- a/drivers/net/phy/marvell10g.c
++++ b/drivers/net/phy/marvell10g.c
+@@ -16,6 +16,7 @@
+  * link takes priority and the other port is completely locked out.
+  */
+ #include <linux/phy.h>
++#include <linux/marvell_phy.h>
+ 
+ enum {
+ 	MV_PCS_BASE_T		= 0x0000,
+@@ -338,7 +339,7 @@ static int mv3310_read_status(struct phy_device *phydev)
+ static struct phy_driver mv3310_drivers[] = {
+ 	{
+ 		.phy_id		= 0x002b09aa,
+-		.phy_id_mask	= 0xffffffff,
++		.phy_id_mask	= MARVELL_PHY_ID_MASK,
+ 		.name		= "mv88x3310",
+ 		.features	= SUPPORTED_10baseT_Full |
+ 				  SUPPORTED_100baseT_Full |
+@@ -360,7 +361,7 @@ static struct phy_driver mv3310_drivers[] = {
+ module_phy_driver(mv3310_drivers);
+ 
+ static struct mdio_device_id __maybe_unused mv3310_tbl[] = {
+-	{ 0x002b09aa, 0xffffffff },
++	{ 0x002b09aa, MARVELL_PHY_ID_MASK },
+ 	{ },
+ };
+ MODULE_DEVICE_TABLE(mdio, mv3310_tbl);
+diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
+index f0439f2d566b..173891b11b2d 100644
+--- a/drivers/net/wireless/ath/ath9k/channel.c
++++ b/drivers/net/wireless/ath/ath9k/channel.c
+@@ -1112,7 +1112,7 @@ ath_chanctx_send_vif_ps_frame(struct ath_softc *sc, struct ath_vif *avp,
+ 		if (!avp->assoc)
+ 			return false;
+ 
+-		skb = ieee80211_nullfunc_get(sc->hw, vif);
++		skb = ieee80211_nullfunc_get(sc->hw, vif, false);
+ 		if (!skb)
+ 			return false;
+ 
+diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
+index 9c889a32fe24..223fb77a3aa9 100644
+--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
++++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
+@@ -209,8 +209,6 @@ static inline void iwl_fw_dbg_stop_recording(struct iwl_fw_runtime *fwrt)
+ 
+ static inline void iwl_fw_dump_conf_clear(struct iwl_fw_runtime *fwrt)
+ {
+-	iwl_fw_dbg_stop_recording(fwrt);
+-
+ 	fwrt->dump.conf = FW_DBG_INVALID;
+ }
+ 
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+index 53e269d54050..0ae7624eac9d 100644
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+@@ -1181,6 +1181,8 @@ unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
+ 		return le32_to_cpu(txq_timer->p2p_go);
+ 	case NL80211_IFTYPE_P2P_DEVICE:
+ 		return le32_to_cpu(txq_timer->p2p_device);
++	case NL80211_IFTYPE_MONITOR:
++		return default_timeout;
+ 	default:
+ 		WARN_ON(1);
+ 		return mvm->cfg->base_params->wd_timeout;
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+index c59f4581e972..ac05fd1e74c4 100644
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+@@ -49,6 +49,7 @@
+  *
+  *****************************************************************************/
+ #include "iwl-trans.h"
++#include "iwl-prph.h"
+ #include "iwl-context-info.h"
+ #include "internal.h"
+ 
+@@ -156,6 +157,11 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power)
+ 
+ 	trans_pcie->is_down = true;
+ 
++	/* Stop dbgc before stopping device */
++	iwl_write_prph(trans, DBGC_IN_SAMPLE, 0);
++	udelay(100);
++	iwl_write_prph(trans, DBGC_OUT_CTRL, 0);
++
+ 	/* tell the device to stop sending interrupts */
+ 	iwl_disable_interrupts(trans);
+ 
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+index 2e3e013ec95a..12a9b86d71ea 100644
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+@@ -1138,6 +1138,15 @@ static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power)
+ 
+ 	trans_pcie->is_down = true;
+ 
++	/* Stop dbgc before stopping device */
++	if (trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
++		iwl_set_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x100);
++	} else {
++		iwl_write_prph(trans, DBGC_IN_SAMPLE, 0);
++		udelay(100);
++		iwl_write_prph(trans, DBGC_OUT_CTRL, 0);
++	}
++
+ 	/* tell the device to stop sending interrupts */
+ 	iwl_disable_interrupts(trans);
+ 
+diff --git a/drivers/net/wireless/st/cw1200/sta.c b/drivers/net/wireless/st/cw1200/sta.c
+index a52224836a2b..666b88cb2cfe 100644
+--- a/drivers/net/wireless/st/cw1200/sta.c
++++ b/drivers/net/wireless/st/cw1200/sta.c
+@@ -198,7 +198,7 @@ void __cw1200_cqm_bssloss_sm(struct cw1200_common *priv,
+ 
+ 		priv->bss_loss_state++;
+ 
+-		skb = ieee80211_nullfunc_get(priv->hw, priv->vif);
++		skb = ieee80211_nullfunc_get(priv->hw, priv->vif, false);
+ 		WARN_ON(!skb);
+ 		if (skb)
+ 			cw1200_tx(priv->hw, NULL, skb);
+@@ -2266,7 +2266,7 @@ static int cw1200_upload_null(struct cw1200_common *priv)
+ 		.rate = 0xFF,
+ 	};
+ 
+-	frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif);
++	frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif, false);
+ 	if (!frame.skb)
+ 		return -ENOMEM;
+ 
+diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
+index 9915d83a4a30..6d02c660b4ab 100644
+--- a/drivers/net/wireless/ti/wl1251/main.c
++++ b/drivers/net/wireless/ti/wl1251/main.c
+@@ -566,7 +566,7 @@ static int wl1251_build_null_data(struct wl1251 *wl)
+ 		size = sizeof(struct wl12xx_null_data_template);
+ 		ptr = NULL;
+ 	} else {
+-		skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
++		skb = ieee80211_nullfunc_get(wl->hw, wl->vif, false);
+ 		if (!skb)
+ 			goto out;
+ 		size = skb->len;
+diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
+index 2bfc12fdc929..761cf8573a80 100644
+--- a/drivers/net/wireless/ti/wlcore/cmd.c
++++ b/drivers/net/wireless/ti/wlcore/cmd.c
+@@ -1069,7 +1069,8 @@ int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif)
+ 		ptr = NULL;
+ 	} else {
+ 		skb = ieee80211_nullfunc_get(wl->hw,
+-					     wl12xx_wlvif_to_vif(wlvif));
++					     wl12xx_wlvif_to_vif(wlvif),
++					     false);
+ 		if (!skb)
+ 			goto out;
+ 		size = skb->len;
+@@ -1096,7 +1097,7 @@ int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl,
+ 	struct sk_buff *skb = NULL;
+ 	int ret = -ENOMEM;
+ 
+-	skb = ieee80211_nullfunc_get(wl->hw, vif);
++	skb = ieee80211_nullfunc_get(wl->hw, vif, false);
+ 	if (!skb)
+ 		goto out;
+ 
+diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
+index 8b8689c6d887..391432e2725d 100644
+--- a/drivers/net/xen-netfront.c
++++ b/drivers/net/xen-netfront.c
+@@ -87,6 +87,8 @@ struct netfront_cb {
+ /* IRQ name is queue name with "-tx" or "-rx" appended */
+ #define IRQ_NAME_SIZE (QUEUE_NAME_SIZE + 3)
+ 
++static DECLARE_WAIT_QUEUE_HEAD(module_unload_q);
++
+ struct netfront_stats {
+ 	u64			packets;
+ 	u64			bytes;
+@@ -2021,10 +2023,12 @@ static void netback_changed(struct xenbus_device *dev,
+ 		break;
+ 
+ 	case XenbusStateClosed:
++		wake_up_all(&module_unload_q);
+ 		if (dev->state == XenbusStateClosed)
+ 			break;
+ 		/* Missed the backend's CLOSING state -- fallthrough */
+ 	case XenbusStateClosing:
++		wake_up_all(&module_unload_q);
+ 		xenbus_frontend_closed(dev);
+ 		break;
+ 	}
+@@ -2130,6 +2134,20 @@ static int xennet_remove(struct xenbus_device *dev)
+ 
+ 	dev_dbg(&dev->dev, "%s\n", dev->nodename);
+ 
++	if (xenbus_read_driver_state(dev->otherend) != XenbusStateClosed) {
++		xenbus_switch_state(dev, XenbusStateClosing);
++		wait_event(module_unload_q,
++			   xenbus_read_driver_state(dev->otherend) ==
++			   XenbusStateClosing);
++
++		xenbus_switch_state(dev, XenbusStateClosed);
++		wait_event(module_unload_q,
++			   xenbus_read_driver_state(dev->otherend) ==
++			   XenbusStateClosed ||
++			   xenbus_read_driver_state(dev->otherend) ==
++			   XenbusStateUnknown);
++	}
++
+ 	xennet_disconnect_backend(info);
+ 
+ 	unregister_netdev(info->netdev);
+diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
+index bf33663218cd..9ff8529a64a9 100644
+--- a/drivers/nvme/host/fabrics.h
++++ b/drivers/nvme/host/fabrics.h
+@@ -142,4 +142,34 @@ void nvmf_free_options(struct nvmf_ctrl_options *opts);
+ int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size);
+ bool nvmf_should_reconnect(struct nvme_ctrl *ctrl);
+ 
++static inline blk_status_t nvmf_check_init_req(struct nvme_ctrl *ctrl,
++		struct request *rq)
++{
++	struct nvme_command *cmd = nvme_req(rq)->cmd;
++
++	/*
++	 * We cannot accept any other command until the connect command has
++	 * completed, so only allow connect to pass.
++	 */
++	if (!blk_rq_is_passthrough(rq) ||
++	    cmd->common.opcode != nvme_fabrics_command ||
++	    cmd->fabrics.fctype != nvme_fabrics_type_connect) {
++		/*
++		 * Reconnecting state means transport disruption, which can take
++		 * a long time and even might fail permanently, fail fast to
++		 * give upper layers a chance to failover.
++		 * Deleting state means that the ctrl will never accept commands
++		 * again, fail it permanently.
++		 */
++		if (ctrl->state == NVME_CTRL_RECONNECTING ||
++		    ctrl->state == NVME_CTRL_DELETING) {
++			nvme_req(rq)->status = NVME_SC_ABORT_REQ;
++			return BLK_STS_IOERR;
++		}
++		return BLK_STS_RESOURCE; /* try again later */
++	}
++
++	return BLK_STS_OK;
++}
++
+ #endif /* _NVME_FABRICS_H */
+diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
+index be49d0f79381..3148d760d825 100644
+--- a/drivers/nvme/host/fc.c
++++ b/drivers/nvme/host/fc.c
+@@ -41,6 +41,7 @@
+ 
+ enum nvme_fc_queue_flags {
+ 	NVME_FC_Q_CONNECTED = (1 << 0),
++	NVME_FC_Q_LIVE = (1 << 1),
+ };
+ 
+ #define NVMEFC_QUEUE_DELAY	3		/* ms units */
+@@ -1654,6 +1655,7 @@ nvme_fc_free_queue(struct nvme_fc_queue *queue)
+ 	if (!test_and_clear_bit(NVME_FC_Q_CONNECTED, &queue->flags))
+ 		return;
+ 
++	clear_bit(NVME_FC_Q_LIVE, &queue->flags);
+ 	/*
+ 	 * Current implementation never disconnects a single queue.
+ 	 * It always terminates a whole association. So there is never
+@@ -1661,7 +1663,6 @@ nvme_fc_free_queue(struct nvme_fc_queue *queue)
+ 	 */
+ 
+ 	queue->connection_id = 0;
+-	clear_bit(NVME_FC_Q_CONNECTED, &queue->flags);
+ }
+ 
+ static void
+@@ -1740,6 +1741,8 @@ nvme_fc_connect_io_queues(struct nvme_fc_ctrl *ctrl, u16 qsize)
+ 		ret = nvmf_connect_io_queue(&ctrl->ctrl, i);
+ 		if (ret)
+ 			break;
++
++		set_bit(NVME_FC_Q_LIVE, &ctrl->queues[i].flags);
+ 	}
+ 
+ 	return ret;
+@@ -2048,6 +2051,14 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue,
+ 	return BLK_STS_RESOURCE;
+ }
+ 
++static inline blk_status_t nvme_fc_is_ready(struct nvme_fc_queue *queue,
++		struct request *rq)
++{
++	if (unlikely(!test_bit(NVME_FC_Q_LIVE, &queue->flags)))
++		return nvmf_check_init_req(&queue->ctrl->ctrl, rq);
++	return BLK_STS_OK;
++}
++
+ static blk_status_t
+ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx,
+ 			const struct blk_mq_queue_data *bd)
+@@ -2063,6 +2074,10 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx,
+ 	u32 data_len;
+ 	blk_status_t ret;
+ 
++	ret = nvme_fc_is_ready(queue, rq);
++	if (unlikely(ret))
++		return ret;
++
+ 	ret = nvme_setup_cmd(ns, rq, sqe);
+ 	if (ret)
+ 		return ret;
+@@ -2398,6 +2413,8 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
+ 	if (ret)
+ 		goto out_disconnect_admin_queue;
+ 
++	set_bit(NVME_FC_Q_LIVE, &ctrl->queues[0].flags);
++
+ 	/*
+ 	 * Check controller capabilities
+ 	 *
+diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
+index 75539f7c58b9..cdd2fd509ddc 100644
+--- a/drivers/nvme/host/pci.c
++++ b/drivers/nvme/host/pci.c
+@@ -1617,6 +1617,7 @@ static void nvme_free_host_mem(struct nvme_dev *dev)
+ 			dev->nr_host_mem_descs * sizeof(*dev->host_mem_descs),
+ 			dev->host_mem_descs, dev->host_mem_descs_dma);
+ 	dev->host_mem_descs = NULL;
++	dev->nr_host_mem_descs = 0;
+ }
+ 
+ static int __nvme_alloc_host_mem(struct nvme_dev *dev, u64 preferred,
+@@ -1645,7 +1646,7 @@ static int __nvme_alloc_host_mem(struct nvme_dev *dev, u64 preferred,
+ 	if (!bufs)
+ 		goto out_free_descs;
+ 
+-	for (size = 0; size < preferred; size += len) {
++	for (size = 0; size < preferred && i < max_entries; size += len) {
+ 		dma_addr_t dma_addr;
+ 
+ 		len = min_t(u64, chunk_size, preferred - size);
+@@ -2282,7 +2283,7 @@ static int nvme_dev_map(struct nvme_dev *dev)
+ 	return -ENODEV;
+ }
+ 
+-static unsigned long check_dell_samsung_bug(struct pci_dev *pdev)
++static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
+ {
+ 	if (pdev->vendor == 0x144d && pdev->device == 0xa802) {
+ 		/*
+@@ -2297,6 +2298,14 @@ static unsigned long check_dell_samsung_bug(struct pci_dev *pdev)
+ 		    (dmi_match(DMI_PRODUCT_NAME, "XPS 15 9550") ||
+ 		     dmi_match(DMI_PRODUCT_NAME, "Precision 5510")))
+ 			return NVME_QUIRK_NO_DEEPEST_PS;
++	} else if (pdev->vendor == 0x144d && pdev->device == 0xa804) {
++		/*
++		 * Samsung SSD 960 EVO drops off the PCIe bus after system
++		 * suspend on a Ryzen board, ASUS PRIME B350M-A.
++		 */
++		if (dmi_match(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC.") &&
++		    dmi_match(DMI_BOARD_NAME, "PRIME B350M-A"))
++			return NVME_QUIRK_NO_APST;
+ 	}
+ 
+ 	return 0;
+@@ -2336,7 +2345,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+ 	if (result)
+ 		goto unmap;
+ 
+-	quirks |= check_dell_samsung_bug(pdev);
++	quirks |= check_vendor_combination_bug(pdev);
+ 
+ 	result = nvme_init_ctrl(&dev->ctrl, &pdev->dev, &nvme_pci_ctrl_ops,
+ 			quirks);
+diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
+index 0ebb539f3bd3..33d4431c2b4b 100644
+--- a/drivers/nvme/host/rdma.c
++++ b/drivers/nvme/host/rdma.c
+@@ -67,6 +67,9 @@ struct nvme_rdma_request {
+ 	struct nvme_request	req;
+ 	struct ib_mr		*mr;
+ 	struct nvme_rdma_qe	sqe;
++	union nvme_result	result;
++	__le16			status;
++	refcount_t		ref;
+ 	struct ib_sge		sge[1 + NVME_RDMA_MAX_INLINE_SEGMENTS];
+ 	u32			num_sge;
+ 	int			nents;
+@@ -1177,6 +1180,7 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
+ 	req->num_sge = 1;
+ 	req->inline_data = false;
+ 	req->mr->need_inval = false;
++	refcount_set(&req->ref, 2); /* send and recv completions */
+ 
+ 	c->common.flags |= NVME_CMD_SGL_METABUF;
+ 
+@@ -1213,8 +1217,19 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
+ 
+ static void nvme_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc)
+ {
+-	if (unlikely(wc->status != IB_WC_SUCCESS))
++	struct nvme_rdma_qe *qe =
++		container_of(wc->wr_cqe, struct nvme_rdma_qe, cqe);
++	struct nvme_rdma_request *req =
++		container_of(qe, struct nvme_rdma_request, sqe);
++	struct request *rq = blk_mq_rq_from_pdu(req);
++
++	if (unlikely(wc->status != IB_WC_SUCCESS)) {
+ 		nvme_rdma_wr_error(cq, wc, "SEND");
++		return;
++	}
++
++	if (refcount_dec_and_test(&req->ref))
++		nvme_end_request(rq, req->status, req->result);
+ }
+ 
+ /*
+@@ -1359,14 +1374,19 @@ static int nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue,
+ 	}
+ 	req = blk_mq_rq_to_pdu(rq);
+ 
+-	if (rq->tag == tag)
+-		ret = 1;
++	req->status = cqe->status;
++	req->result = cqe->result;
+ 
+ 	if ((wc->wc_flags & IB_WC_WITH_INVALIDATE) &&
+ 	    wc->ex.invalidate_rkey == req->mr->rkey)
+ 		req->mr->need_inval = false;
+ 
+-	nvme_end_request(rq, cqe->status, cqe->result);
++	if (refcount_dec_and_test(&req->ref)) {
++		if (rq->tag == tag)
++			ret = 1;
++		nvme_end_request(rq, req->status, req->result);
++	}
++
+ 	return ret;
+ }
+ 
+@@ -1603,31 +1623,11 @@ nvme_rdma_timeout(struct request *rq, bool reserved)
+  * We cannot accept any other command until the Connect command has completed.
+  */
+ static inline blk_status_t
+-nvme_rdma_queue_is_ready(struct nvme_rdma_queue *queue, struct request *rq)
+-{
+-	if (unlikely(!test_bit(NVME_RDMA_Q_LIVE, &queue->flags))) {
+-		struct nvme_command *cmd = nvme_req(rq)->cmd;
+-
+-		if (!blk_rq_is_passthrough(rq) ||
+-		    cmd->common.opcode != nvme_fabrics_command ||
+-		    cmd->fabrics.fctype != nvme_fabrics_type_connect) {
+-			/*
+-			 * reconnecting state means transport disruption, which
+-			 * can take a long time and even might fail permanently,
+-			 * fail fast to give upper layers a chance to failover.
+-			 * deleting state means that the ctrl will never accept
+-			 * commands again, fail it permanently.
+-			 */
+-			if (queue->ctrl->ctrl.state == NVME_CTRL_RECONNECTING ||
+-			    queue->ctrl->ctrl.state == NVME_CTRL_DELETING) {
+-				nvme_req(rq)->status = NVME_SC_ABORT_REQ;
+-				return BLK_STS_IOERR;
+-			}
+-			return BLK_STS_RESOURCE; /* try again later */
+-		}
+-	}
+-
+-	return 0;
++nvme_rdma_is_ready(struct nvme_rdma_queue *queue, struct request *rq)
++{
++	if (unlikely(!test_bit(NVME_RDMA_Q_LIVE, &queue->flags)))
++		return nvmf_check_init_req(&queue->ctrl->ctrl, rq);
++	return BLK_STS_OK;
+ }
+ 
+ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx,
+@@ -1646,7 +1646,7 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx,
+ 
+ 	WARN_ON_ONCE(rq->tag < 0);
+ 
+-	ret = nvme_rdma_queue_is_ready(queue, rq);
++	ret = nvme_rdma_is_ready(queue, rq);
+ 	if (unlikely(ret))
+ 		return ret;
+ 
+diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
+index 58e010bdda3e..8e21211b904b 100644
+--- a/drivers/nvme/target/fc.c
++++ b/drivers/nvme/target/fc.c
+@@ -532,15 +532,15 @@ nvmet_fc_free_fcp_iod(struct nvmet_fc_tgt_queue *queue,
+ 
+ 	tgtport->ops->fcp_req_release(&tgtport->fc_target_port, fcpreq);
+ 
++	/* release the queue lookup reference on the completed IO */
++	nvmet_fc_tgt_q_put(queue);
++
+ 	spin_lock_irqsave(&queue->qlock, flags);
+ 	deferfcp = list_first_entry_or_null(&queue->pending_cmd_list,
+ 				struct nvmet_fc_defer_fcp_req, req_list);
+ 	if (!deferfcp) {
+ 		list_add_tail(&fod->fcp_list, &fod->queue->fod_list);
+ 		spin_unlock_irqrestore(&queue->qlock, flags);
+-
+-		/* Release reference taken at queue lookup and fod allocation */
+-		nvmet_fc_tgt_q_put(queue);
+ 		return;
+ 	}
+ 
+@@ -759,6 +759,9 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue)
+ 		tgtport->ops->fcp_req_release(&tgtport->fc_target_port,
+ 				deferfcp->fcp_req);
+ 
++		/* release the queue lookup reference */
++		nvmet_fc_tgt_q_put(queue);
++
+ 		kfree(deferfcp);
+ 
+ 		spin_lock_irqsave(&queue->qlock, flags);
+diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
+index 92628c432926..02aff5cc48bf 100644
+--- a/drivers/nvme/target/loop.c
++++ b/drivers/nvme/target/loop.c
+@@ -61,10 +61,15 @@ static inline struct nvme_loop_ctrl *to_loop_ctrl(struct nvme_ctrl *ctrl)
+ 	return container_of(ctrl, struct nvme_loop_ctrl, ctrl);
+ }
+ 
++enum nvme_loop_queue_flags {
++	NVME_LOOP_Q_LIVE	= 0,
++};
++
+ struct nvme_loop_queue {
+ 	struct nvmet_cq		nvme_cq;
+ 	struct nvmet_sq		nvme_sq;
+ 	struct nvme_loop_ctrl	*ctrl;
++	unsigned long		flags;
+ };
+ 
+ static struct nvmet_port *nvmet_loop_port;
+@@ -153,6 +158,14 @@ nvme_loop_timeout(struct request *rq, bool reserved)
+ 	return BLK_EH_HANDLED;
+ }
+ 
++static inline blk_status_t nvme_loop_is_ready(struct nvme_loop_queue *queue,
++		struct request *rq)
++{
++	if (unlikely(!test_bit(NVME_LOOP_Q_LIVE, &queue->flags)))
++		return nvmf_check_init_req(&queue->ctrl->ctrl, rq);
++	return BLK_STS_OK;
++}
++
+ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
+ 		const struct blk_mq_queue_data *bd)
+ {
+@@ -162,6 +175,10 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
+ 	struct nvme_loop_iod *iod = blk_mq_rq_to_pdu(req);
+ 	blk_status_t ret;
+ 
++	ret = nvme_loop_is_ready(queue, req);
++	if (unlikely(ret))
++		return ret;
++
+ 	ret = nvme_setup_cmd(ns, req, &iod->cmd);
+ 	if (ret)
+ 		return ret;
+@@ -275,6 +292,7 @@ static const struct blk_mq_ops nvme_loop_admin_mq_ops = {
+ 
+ static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl)
+ {
++	clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
+ 	nvmet_sq_destroy(&ctrl->queues[0].nvme_sq);
+ 	blk_cleanup_queue(ctrl->ctrl.admin_q);
+ 	blk_mq_free_tag_set(&ctrl->admin_tag_set);
+@@ -305,8 +323,10 @@ static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl)
+ {
+ 	int i;
+ 
+-	for (i = 1; i < ctrl->ctrl.queue_count; i++)
++	for (i = 1; i < ctrl->ctrl.queue_count; i++) {
++		clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags);
+ 		nvmet_sq_destroy(&ctrl->queues[i].nvme_sq);
++	}
+ }
+ 
+ static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl)
+@@ -346,6 +366,7 @@ static int nvme_loop_connect_io_queues(struct nvme_loop_ctrl *ctrl)
+ 		ret = nvmf_connect_io_queue(&ctrl->ctrl, i);
+ 		if (ret)
+ 			return ret;
++		set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags);
+ 	}
+ 
+ 	return 0;
+@@ -387,6 +408,8 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl)
+ 	if (error)
+ 		goto out_cleanup_queue;
+ 
++	set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
++
+ 	error = nvmf_reg_read64(&ctrl->ctrl, NVME_REG_CAP, &ctrl->ctrl.cap);
+ 	if (error) {
+ 		dev_err(ctrl->ctrl.device,
+diff --git a/drivers/power/reset/zx-reboot.c b/drivers/power/reset/zx-reboot.c
+index 7549c7f74a3c..c03e96e6a041 100644
+--- a/drivers/power/reset/zx-reboot.c
++++ b/drivers/power/reset/zx-reboot.c
+@@ -82,3 +82,7 @@ static struct platform_driver zx_reboot_driver = {
+ 	},
+ };
+ module_platform_driver(zx_reboot_driver);
++
++MODULE_DESCRIPTION("ZTE SoCs reset driver");
++MODULE_AUTHOR("Jun Nie <jun.nie@××××××.org>");
++MODULE_LICENSE("GPL v2");
+diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
+index b5f4006198b9..a9a56aa9c26b 100644
+--- a/drivers/s390/crypto/zcrypt_api.c
++++ b/drivers/s390/crypto/zcrypt_api.c
+@@ -218,8 +218,8 @@ static inline bool zcrypt_queue_compare(struct zcrypt_queue *zq,
+ 	weight += atomic_read(&zq->load);
+ 	pref_weight += atomic_read(&pref_zq->load);
+ 	if (weight == pref_weight)
+-		return &zq->queue->total_request_count >
+-			&pref_zq->queue->total_request_count;
++		return zq->queue->total_request_count >
++			pref_zq->queue->total_request_count;
+ 	return weight > pref_weight;
+ }
+ 
+diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
+index af3e4d3f9735..7173ae53c526 100644
+--- a/drivers/scsi/aacraid/aachba.c
++++ b/drivers/scsi/aacraid/aachba.c
+@@ -913,8 +913,15 @@ static void setinqstr(struct aac_dev *dev, void *data, int tindex)
+ 	memset(str, ' ', sizeof(*str));
+ 
+ 	if (sup_adap_info->adapter_type_text[0]) {
+-		char *cp = sup_adap_info->adapter_type_text;
+ 		int c;
++		char *cp;
++		char *cname = kmemdup(sup_adap_info->adapter_type_text,
++				sizeof(sup_adap_info->adapter_type_text),
++								GFP_ATOMIC);
++		if (!cname)
++			return;
++
++		cp = cname;
+ 		if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
+ 			inqstrcpy("SMC", str->vid);
+ 		else {
+@@ -923,7 +930,7 @@ static void setinqstr(struct aac_dev *dev, void *data, int tindex)
+ 				++cp;
+ 			c = *cp;
+ 			*cp = '\0';
+-			inqstrcpy(sup_adap_info->adapter_type_text, str->vid);
++			inqstrcpy(cname, str->vid);
+ 			*cp = c;
+ 			while (*cp && *cp != ' ')
+ 				++cp;
+@@ -937,8 +944,8 @@ static void setinqstr(struct aac_dev *dev, void *data, int tindex)
+ 			cp[sizeof(str->pid)] = '\0';
+ 		}
+ 		inqstrcpy (cp, str->pid);
+-		if (c)
+-			cp[sizeof(str->pid)] = c;
++
++		kfree(cname);
+ 	} else {
+ 		struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
+ 
+diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
+index 525a652dab48..c0a4fcb7fd0a 100644
+--- a/drivers/scsi/aacraid/commsup.c
++++ b/drivers/scsi/aacraid/commsup.c
+@@ -1583,6 +1583,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
+ 	 * will ensure that i/o is queisced and the card is flushed in that
+ 	 * case.
+ 	 */
++	aac_free_irq(aac);
+ 	aac_fib_map_free(aac);
+ 	dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
+ 			  aac->comm_phys);
+@@ -1590,7 +1591,6 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
+ 	aac->comm_phys = 0;
+ 	kfree(aac->queues);
+ 	aac->queues = NULL;
+-	aac_free_irq(aac);
+ 	kfree(aac->fsa_dev);
+ 	aac->fsa_dev = NULL;
+ 
+@@ -1672,14 +1672,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
+ out:
+ 	aac->in_reset = 0;
+ 	scsi_unblock_requests(host);
+-	/*
+-	 * Issue bus rescan to catch any configuration that might have
+-	 * occurred
+-	 */
+-	if (!retval) {
+-		dev_info(&aac->pdev->dev, "Issuing bus rescan\n");
+-		scsi_scan_host(host);
+-	}
++
+ 	if (jafo) {
+ 		spin_lock_irq(host->host_lock);
+ 	}
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
+index 794a4600e952..d344fef01f1d 100644
+--- a/drivers/scsi/ufs/ufshcd.c
++++ b/drivers/scsi/ufs/ufshcd.c
+@@ -6555,12 +6555,15 @@ static int ufshcd_config_vreg(struct device *dev,
+ 		struct ufs_vreg *vreg, bool on)
+ {
+ 	int ret = 0;
+-	struct regulator *reg = vreg->reg;
+-	const char *name = vreg->name;
++	struct regulator *reg;
++	const char *name;
+ 	int min_uV, uA_load;
+ 
+ 	BUG_ON(!vreg);
+ 
++	reg = vreg->reg;
++	name = vreg->name;
++
+ 	if (regulator_count_voltages(reg) > 0) {
+ 		min_uV = on ? vreg->min_uV : 0;
+ 		ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
+diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
+index babb15f07995..d51ca243a028 100644
+--- a/drivers/spi/spi-imx.c
++++ b/drivers/spi/spi-imx.c
+@@ -1496,12 +1496,23 @@ static int spi_imx_remove(struct platform_device *pdev)
+ {
+ 	struct spi_master *master = platform_get_drvdata(pdev);
+ 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);
++	int ret;
+ 
+ 	spi_bitbang_stop(&spi_imx->bitbang);
+ 
++	ret = clk_enable(spi_imx->clk_per);
++	if (ret)
++		return ret;
++
++	ret = clk_enable(spi_imx->clk_ipg);
++	if (ret) {
++		clk_disable(spi_imx->clk_per);
++		return ret;
++	}
++
+ 	writel(0, spi_imx->base + MXC_CSPICTRL);
+-	clk_unprepare(spi_imx->clk_ipg);
+-	clk_unprepare(spi_imx->clk_per);
++	clk_disable_unprepare(spi_imx->clk_ipg);
++	clk_disable_unprepare(spi_imx->clk_per);
+ 	spi_imx_sdma_exit(spi_imx);
+ 	spi_master_put(master);
+ 
+diff --git a/drivers/staging/ccree/ssi_cipher.c b/drivers/staging/ccree/ssi_cipher.c
+index 8d31a93fd8b7..087a622f20b2 100644
+--- a/drivers/staging/ccree/ssi_cipher.c
++++ b/drivers/staging/ccree/ssi_cipher.c
+@@ -904,6 +904,7 @@ static int ssi_ablkcipher_decrypt(struct ablkcipher_request *req)
+ 	scatterwalk_map_and_copy(req_ctx->backup_info, req->src,
+ 				 (req->nbytes - ivsize), ivsize, 0);
+ 	req_ctx->is_giv = false;
++	req_ctx->backup_info = NULL;
+ 
+ 	return ssi_blkcipher_process(tfm, req_ctx, req->dst, req->src, req->nbytes, req->info, ivsize, (void *)req, DRV_CRYPTO_DIRECTION_DECRYPT);
+ }
+diff --git a/drivers/staging/ccree/ssi_driver.c b/drivers/staging/ccree/ssi_driver.c
+index 9c6f1200c130..eeb995307951 100644
+--- a/drivers/staging/ccree/ssi_driver.c
++++ b/drivers/staging/ccree/ssi_driver.c
+@@ -141,7 +141,7 @@ static irqreturn_t cc_isr(int irq, void *dev_id)
+ 		irr &= ~SSI_COMP_IRQ_MASK;
+ 		complete_request(drvdata);
+ 	}
+-#ifdef CC_SUPPORT_FIPS
++#ifdef CONFIG_CRYPTO_FIPS
+ 	/* TEE FIPS interrupt */
+ 	if (likely((irr & SSI_GPR0_IRQ_MASK) != 0)) {
+ 		/* Mask interrupt - will be unmasked in Deferred service handler */
+diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
+index 64763aacda57..284cdd44a2ee 100644
+--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
++++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
+@@ -825,14 +825,15 @@ struct kib_conn *kiblnd_create_conn(struct kib_peer *peer, struct rdma_cm_id *cm
+ 	return conn;
+ 
+  failed_2:
+-	kiblnd_destroy_conn(conn, true);
++	kiblnd_destroy_conn(conn);
++	LIBCFS_FREE(conn, sizeof(*conn));
+  failed_1:
+ 	LIBCFS_FREE(init_qp_attr, sizeof(*init_qp_attr));
+  failed_0:
+ 	return NULL;
+ }
+ 
+-void kiblnd_destroy_conn(struct kib_conn *conn, bool free_conn)
++void kiblnd_destroy_conn(struct kib_conn *conn)
+ {
+ 	struct rdma_cm_id *cmid = conn->ibc_cmid;
+ 	struct kib_peer *peer = conn->ibc_peer;
+@@ -895,8 +896,6 @@ void kiblnd_destroy_conn(struct kib_conn *conn, bool free_conn)
+ 		rdma_destroy_id(cmid);
+ 		atomic_dec(&net->ibn_nconns);
+ 	}
+-
+-	LIBCFS_FREE(conn, sizeof(*conn));
+ }
+ 
+ int kiblnd_close_peer_conns_locked(struct kib_peer *peer, int why)
+diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
+index a1e994a1cc84..98a5e2c21a83 100644
+--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
++++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
+@@ -1015,7 +1015,7 @@ int  kiblnd_close_peer_conns_locked(struct kib_peer *peer, int why);
+ struct kib_conn *kiblnd_create_conn(struct kib_peer *peer,
+ 				    struct rdma_cm_id *cmid,
+ 				    int state, int version);
+-void kiblnd_destroy_conn(struct kib_conn *conn, bool free_conn);
++void kiblnd_destroy_conn(struct kib_conn *conn);
+ void kiblnd_close_conn(struct kib_conn *conn, int error);
+ void kiblnd_close_conn_locked(struct kib_conn *conn, int error);
+ 
+diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+index 8fc191d99927..29e10021b906 100644
+--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
++++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+@@ -3313,11 +3313,13 @@ kiblnd_connd(void *arg)
+ 			spin_unlock_irqrestore(lock, flags);
+ 			dropped_lock = 1;
+ 
+-			kiblnd_destroy_conn(conn, !peer);
++			kiblnd_destroy_conn(conn);
+ 
+ 			spin_lock_irqsave(lock, flags);
+-			if (!peer)
++			if (!peer) {
++				kfree(conn);
+ 				continue;
++			}
+ 
+ 			conn->ibc_peer = peer;
+ 			if (peer->ibp_reconnected < KIB_RECONN_HIGH_RACE)
+diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+index c0664dc80bf2..446310775e90 100644
+--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
++++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+@@ -1395,19 +1395,13 @@ static int rtw_wx_get_essid(struct net_device *dev,
+ 	if ((check_fwstate(pmlmepriv, _FW_LINKED)) ||
+ 	    (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE))) {
+ 		len = pcur_bss->Ssid.SsidLength;
+-
+-		wrqu->essid.length = len;
+-
+ 		memcpy(extra, pcur_bss->Ssid.Ssid, len);
+-
+-		wrqu->essid.flags = 1;
+ 	} else {
+-		ret = -1;
+-		goto exit;
++		len = 0;
++		*extra = 0;
+ 	}
+-
+-exit:
+-
++	wrqu->essid.length = len;
++	wrqu->essid.flags = 1;
+ 
+ 	return ret;
+ }
+diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
+index 1222c005fb98..951680640ad5 100644
+--- a/drivers/tty/serial/8250/8250_of.c
++++ b/drivers/tty/serial/8250/8250_of.c
+@@ -141,8 +141,11 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
+ 	}
+ 
+ 	info->rst = devm_reset_control_get_optional_shared(&ofdev->dev, NULL);
+-	if (IS_ERR(info->rst))
++	if (IS_ERR(info->rst)) {
++		ret = PTR_ERR(info->rst);
+ 		goto err_dispose;
++	}
++
+ 	ret = reset_control_deassert(info->rst);
+ 	if (ret)
+ 		goto err_dispose;
+diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c
+index 8a10b10e27aa..c206f173f912 100644
+--- a/drivers/tty/serial/8250/8250_uniphier.c
++++ b/drivers/tty/serial/8250/8250_uniphier.c
+@@ -259,12 +259,13 @@ static int uniphier_uart_probe(struct platform_device *pdev)
+ 	up.dl_read = uniphier_serial_dl_read;
+ 	up.dl_write = uniphier_serial_dl_write;
+ 
+-	priv->line = serial8250_register_8250_port(&up);
+-	if (priv->line < 0) {
++	ret = serial8250_register_8250_port(&up);
++	if (ret < 0) {
+ 		dev_err(dev, "failed to register 8250 port\n");
+ 		clk_disable_unprepare(priv->clk);
+ 		return ret;
+ 	}
++	priv->line = ret;
+ 
+ 	platform_set_drvdata(pdev, priv);
+ 
+diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
+index 3657d745e90f..521500c575c8 100644
+--- a/drivers/tty/serial/imx.c
++++ b/drivers/tty/serial/imx.c
+@@ -2275,12 +2275,14 @@ static void serial_imx_enable_wakeup(struct imx_port *sport, bool on)
+ 		val &= ~UCR3_AWAKEN;
+ 	writel(val, sport->port.membase + UCR3);
+ 
+-	val = readl(sport->port.membase + UCR1);
+-	if (on)
+-		val |= UCR1_RTSDEN;
+-	else
+-		val &= ~UCR1_RTSDEN;
+-	writel(val, sport->port.membase + UCR1);
++	if (sport->have_rtscts) {
++		val = readl(sport->port.membase + UCR1);
++		if (on)
++			val |= UCR1_RTSDEN;
++		else
++			val &= ~UCR1_RTSDEN;
++		writel(val, sport->port.membase + UCR1);
++	}
+ }
+ 
+ static int imx_serial_port_suspend_noirq(struct device *dev)
+diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
+index 94cccb6efa32..7892d0be8af9 100644
+--- a/drivers/tty/tty_io.c
++++ b/drivers/tty/tty_io.c
+@@ -1322,6 +1322,9 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx)
+ 			"%s: %s driver does not set tty->port. This will crash the kernel later. Fix the driver!\n",
+ 			__func__, tty->driver->name);
+ 
++	retval = tty_ldisc_lock(tty, 5 * HZ);
++	if (retval)
++		goto err_release_lock;
+ 	tty->port->itty = tty;
+ 
+ 	/*
+@@ -1332,6 +1335,7 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx)
+ 	retval = tty_ldisc_setup(tty, tty->link);
+ 	if (retval)
+ 		goto err_release_tty;
++	tty_ldisc_unlock(tty);
+ 	/* Return the tty locked so that it cannot vanish under the caller */
+ 	return tty;
+ 
+@@ -1344,9 +1348,11 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx)
+ 
+ 	/* call the tty release_tty routine to clean out this slot */
+ err_release_tty:
+-	tty_unlock(tty);
++	tty_ldisc_unlock(tty);
+ 	tty_info_ratelimited(tty, "ldisc open failed (%d), clearing slot %d\n",
+ 			     retval, idx);
++err_release_lock:
++	tty_unlock(tty);
+ 	release_tty(tty, idx);
+ 	return ERR_PTR(retval);
+ }
+diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
+index 84a8ac2a779f..7c895684c3ef 100644
+--- a/drivers/tty/tty_ldisc.c
++++ b/drivers/tty/tty_ldisc.c
+@@ -336,7 +336,7 @@ static inline void __tty_ldisc_unlock(struct tty_struct *tty)
+ 	ldsem_up_write(&tty->ldisc_sem);
+ }
+ 
+-static int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
++int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
+ {
+ 	int ret;
+ 
+@@ -347,7 +347,7 @@ static int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
+ 	return 0;
+ }
+ 
+-static void tty_ldisc_unlock(struct tty_struct *tty)
++void tty_ldisc_unlock(struct tty_struct *tty)
+ {
+ 	clear_bit(TTY_LDISC_HALTED, &tty->flags);
+ 	__tty_ldisc_unlock(tty);
+diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
+index 18c923a4c16e..4149a965516e 100644
+--- a/drivers/usb/class/cdc-acm.c
++++ b/drivers/usb/class/cdc-acm.c
+@@ -438,7 +438,7 @@ static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
+ 
+ 	res = usb_submit_urb(acm->read_urbs[index], mem_flags);
+ 	if (res) {
+-		if (res != -EPERM) {
++		if (res != -EPERM && res != -ENODEV) {
+ 			dev_err(&acm->data->dev,
+ 				"urb %d failed submission with %d\n",
+ 				index, res);
+@@ -1765,6 +1765,9 @@ static const struct usb_device_id acm_ids[] = {
+ 	{ USB_DEVICE(0x0ace, 0x1611), /* ZyDAS 56K USB MODEM - new version */
+ 	.driver_info = SINGLE_RX_URB, /* firmware bug */
+ 	},
++	{ USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */
++	.driver_info = SINGLE_RX_URB,
++	},
+ 	{ USB_DEVICE(0x22b8, 0x7000), /* Motorola Q Phone */
+ 	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+ 	},
+diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
+index 5d061b3d8224..ed9346f0b000 100644
+--- a/drivers/usb/gadget/composite.c
++++ b/drivers/usb/gadget/composite.c
+@@ -150,7 +150,6 @@ int config_ep_by_speed(struct usb_gadget *g,
+ 			struct usb_function *f,
+ 			struct usb_ep *_ep)
+ {
+-	struct usb_composite_dev	*cdev = get_gadget_data(g);
+ 	struct usb_endpoint_descriptor *chosen_desc = NULL;
+ 	struct usb_descriptor_header **speed_desc = NULL;
+ 
+@@ -229,8 +228,12 @@ int config_ep_by_speed(struct usb_gadget *g,
+ 			_ep->maxburst = comp_desc->bMaxBurst + 1;
+ 			break;
+ 		default:
+-			if (comp_desc->bMaxBurst != 0)
++			if (comp_desc->bMaxBurst != 0) {
++				struct usb_composite_dev *cdev;
++
++				cdev = get_gadget_data(g);
+ 				ERROR(cdev, "ep0 bMaxBurst must be 0\n");
++			}
+ 			_ep->maxburst = 1;
+ 			break;
+ 		}
+diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
+index 876cdbec1307..c0491dd73f53 100644
+--- a/drivers/usb/gadget/function/f_fs.c
++++ b/drivers/usb/gadget/function/f_fs.c
+@@ -3704,7 +3704,8 @@ static void ffs_closed(struct ffs_data *ffs)
+ 	ci = opts->func_inst.group.cg_item.ci_parent->ci_parent;
+ 	ffs_dev_unlock();
+ 
+-	unregister_gadget_item(ci);
++	if (test_bit(FFS_FL_BOUND, &ffs->flags))
++		unregister_gadget_item(ci);
+ 	return;
+ done:
+ 	ffs_dev_unlock();
+diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
+index 284bd1a7b570..794bb4958383 100644
+--- a/drivers/usb/gadget/udc/core.c
++++ b/drivers/usb/gadget/udc/core.c
+@@ -923,7 +923,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget,
+ 		return 0;
+ 
+ 	/* "high bandwidth" works only at high speed */
+-	if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11))
++	if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp_mult(desc) > 1)
+ 		return 0;
+ 
+ 	switch (type) {
+diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
+index a8d5f2e4878d..c66b93664d54 100644
+--- a/drivers/usb/serial/Kconfig
++++ b/drivers/usb/serial/Kconfig
+@@ -63,6 +63,7 @@ config USB_SERIAL_SIMPLE
+ 		- Google USB serial devices
+ 		- HP4x calculators
+ 		- a number of Motorola phones
++		- Motorola Tetra devices
+ 		- Novatel Wireless GPS receivers
+ 		- Siemens USB/MPI adapter.
+ 		- ViVOtech ViVOpay USB device.
+diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
+index bdf8bd814a9a..01f3ac7769f3 100644
+--- a/drivers/usb/serial/io_edgeport.c
++++ b/drivers/usb/serial/io_edgeport.c
+@@ -2286,7 +2286,6 @@ static int write_cmd_usb(struct edgeport_port *edge_port,
+ 		/* something went wrong */
+ 		dev_err(dev, "%s - usb_submit_urb(write command) failed, status = %d\n",
+ 			__func__, status);
+-		usb_kill_urb(urb);
+ 		usb_free_urb(urb);
+ 		atomic_dec(&CmdUrbs);
+ 		return status;
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index a9400458ccea..dcf78a498927 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -383,6 +383,9 @@ static void option_instat_callback(struct urb *urb);
+ #define FOUR_G_SYSTEMS_PRODUCT_W14		0x9603
+ #define FOUR_G_SYSTEMS_PRODUCT_W100		0x9b01
+ 
++/* Fujisoft products */
++#define FUJISOFT_PRODUCT_FS040U			0x9b02
++
+ /* iBall 3.5G connect wireless modem */
+ #define IBALL_3_5G_CONNECT			0x9605
+ 
+@@ -1897,6 +1900,8 @@ static const struct usb_device_id option_ids[] = {
+ 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W100),
+ 	  .driver_info = (kernel_ulong_t)&four_g_w100_blacklist
+ 	},
++	{USB_DEVICE(LONGCHEER_VENDOR_ID, FUJISOFT_PRODUCT_FS040U),
++	 .driver_info = (kernel_ulong_t)&net_intf3_blacklist},
+ 	{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
+ 	{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, 0x9801, 0xff),
+ 	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
+index a585b477415d..34c5a75f98a7 100644
+--- a/drivers/usb/serial/pl2303.c
++++ b/drivers/usb/serial/pl2303.c
+@@ -41,6 +41,7 @@ static const struct usb_device_id id_table[] = {
+ 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ2) },
+ 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_DCU11) },
+ 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ3) },
++	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_CHILITAG) },
+ 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_PHAROS) },
+ 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ALDIGA) },
+ 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) },
+diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
+index 3b5a15d1dc0d..123289085ee2 100644
+--- a/drivers/usb/serial/pl2303.h
++++ b/drivers/usb/serial/pl2303.h
+@@ -17,6 +17,7 @@
+ #define PL2303_PRODUCT_ID_DCU11		0x1234
+ #define PL2303_PRODUCT_ID_PHAROS	0xaaa0
+ #define PL2303_PRODUCT_ID_RSAQ3		0xaaa2
++#define PL2303_PRODUCT_ID_CHILITAG	0xaaa8
+ #define PL2303_PRODUCT_ID_ALDIGA	0x0611
+ #define PL2303_PRODUCT_ID_MMX		0x0612
+ #define PL2303_PRODUCT_ID_GPRS		0x0609
+diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
+index e98b6e57b703..6aa7ff2c1cf7 100644
+--- a/drivers/usb/serial/usb-serial-simple.c
++++ b/drivers/usb/serial/usb-serial-simple.c
+@@ -80,6 +80,11 @@ DEVICE(vivopay, VIVOPAY_IDS);
+ 	{ USB_DEVICE(0x22b8, 0x2c64) }	/* Motorola V950 phone */
+ DEVICE(moto_modem, MOTO_IDS);
+ 
++/* Motorola Tetra driver */
++#define MOTOROLA_TETRA_IDS()			\
++	{ USB_DEVICE(0x0cad, 0x9011) }	/* Motorola Solutions TETRA PEI */
++DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS);
++
+ /* Novatel Wireless GPS driver */
+ #define NOVATEL_IDS()			\
+ 	{ USB_DEVICE(0x09d7, 0x0100) }	/* NovAtel FlexPack GPS */
+@@ -110,6 +115,7 @@ static struct usb_serial_driver * const serial_drivers[] = {
+ 	&google_device,
+ 	&vivopay_device,
+ 	&moto_modem_device,
++	&motorola_tetra_device,
+ 	&novatel_gps_device,
+ 	&hp4x_device,
+ 	&suunto_device,
+@@ -125,6 +131,7 @@ static const struct usb_device_id id_table[] = {
+ 	GOOGLE_IDS(),
+ 	VIVOPAY_IDS(),
+ 	MOTO_IDS(),
++	MOTOROLA_TETRA_IDS(),
+ 	NOVATEL_IDS(),
+ 	HP4X_IDS(),
+ 	SUUNTO_IDS(),
+diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
+index 63cf981ed81c..0bc8543e96b1 100644
+--- a/drivers/usb/storage/uas.c
++++ b/drivers/usb/storage/uas.c
+@@ -1076,20 +1076,19 @@ static int uas_post_reset(struct usb_interface *intf)
+ 		return 0;
+ 
+ 	err = uas_configure_endpoints(devinfo);
+-	if (err) {
++	if (err && err != ENODEV)
+ 		shost_printk(KERN_ERR, shost,
+ 			     "%s: alloc streams error %d after reset",
+ 			     __func__, err);
+-		return 1;
+-	}
+ 
++	/* we must unblock the host in every case lest we deadlock */
+ 	spin_lock_irqsave(shost->host_lock, flags);
+ 	scsi_report_bus_reset(shost, 0);
+ 	spin_unlock_irqrestore(shost->host_lock, flags);
+ 
+ 	scsi_unblock_requests(shost);
+ 
+-	return 0;
++	return err ? 1 : 0;
+ }
+ 
+ static int uas_suspend(struct usb_interface *intf, pm_message_t message)
+diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
+index aafcc785f840..d564a7049d7f 100644
+--- a/fs/btrfs/file.c
++++ b/fs/btrfs/file.c
+@@ -2056,6 +2056,8 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ 	len = (u64)end - (u64)start + 1;
+ 	trace_btrfs_sync_file(file, datasync);
+ 
++	btrfs_init_log_ctx(&ctx, inode);
++
+ 	/*
+ 	 * We write the dirty pages in the range and wait until they complete
+ 	 * out of the ->i_mutex. If so, we can flush the dirty pages by
+@@ -2202,8 +2204,6 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ 	}
+ 	trans->sync = true;
+ 
+-	btrfs_init_log_ctx(&ctx, inode);
+-
+ 	ret = btrfs_log_dentry_safe(trans, root, dentry, start, end, &ctx);
+ 	if (ret < 0) {
+ 		/* Fallthrough and commit/free transaction. */
+@@ -2261,6 +2261,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ 		ret = btrfs_end_transaction(trans);
+ 	}
+ out:
++	ASSERT(list_empty(&ctx.list));
+ 	err = file_check_and_advance_wb_err(file);
+ 	if (!ret)
+ 		ret = err;
+diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
+index cdc9f4015ec3..4426d1c73e50 100644
+--- a/fs/btrfs/free-space-cache.c
++++ b/fs/btrfs/free-space-cache.c
+@@ -1264,7 +1264,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
+ 	/* Lock all pages first so we can lock the extent safely. */
+ 	ret = io_ctl_prepare_pages(io_ctl, inode, 0);
+ 	if (ret)
+-		goto out;
++		goto out_unlock;
+ 
+ 	lock_extent_bits(&BTRFS_I(inode)->io_tree, 0, i_size_read(inode) - 1,
+ 			 &cached_state);
+@@ -1358,6 +1358,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
+ out_nospc:
+ 	cleanup_write_cache_enospc(inode, io_ctl, &cached_state);
+ 
++out_unlock:
+ 	if (block_group && (block_group->flags & BTRFS_BLOCK_GROUP_DATA))
+ 		up_write(&block_group->data_rwsem);
+ 
+diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
+index d94e3f68b9b1..c71afd424900 100644
+--- a/fs/btrfs/inode.c
++++ b/fs/btrfs/inode.c
+@@ -5500,6 +5500,14 @@ static int btrfs_inode_by_name(struct inode *dir, struct dentry *dentry,
+ 		goto out_err;
+ 
+ 	btrfs_dir_item_key_to_cpu(path->nodes[0], di, location);
++	if (location->type != BTRFS_INODE_ITEM_KEY &&
++	    location->type != BTRFS_ROOT_ITEM_KEY) {
++		btrfs_warn(root->fs_info,
++"%s gets something invalid in DIR_ITEM (name %s, directory ino %llu, location(%llu %u %llu))",
++			   __func__, name, btrfs_ino(BTRFS_I(dir)),
++			   location->objectid, location->type, location->offset);
++		goto out_err;
++	}
+ out:
+ 	btrfs_free_path(path);
+ 	return ret;
+@@ -5816,8 +5824,6 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
+ 		return inode;
+ 	}
+ 
+-	BUG_ON(location.type != BTRFS_ROOT_ITEM_KEY);
+-
+ 	index = srcu_read_lock(&fs_info->subvol_srcu);
+ 	ret = fixup_tree_root_location(fs_info, dir, dentry,
+ 				       &location, &sub_root);
+diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
+index 8fd195cfe81b..2c35717a3470 100644
+--- a/fs/btrfs/send.c
++++ b/fs/btrfs/send.c
+@@ -3527,7 +3527,40 @@ static int wait_for_dest_dir_move(struct send_ctx *sctx,
+ }
+ 
+ /*
+- * Check if ino ino1 is an ancestor of inode ino2 in the given root.
++ * Check if inode ino2, or any of its ancestors, is inode ino1.
++ * Return 1 if true, 0 if false and < 0 on error.
++ */
++static int check_ino_in_path(struct btrfs_root *root,
++			     const u64 ino1,
++			     const u64 ino1_gen,
++			     const u64 ino2,
++			     const u64 ino2_gen,
++			     struct fs_path *fs_path)
++{
++	u64 ino = ino2;
++
++	if (ino1 == ino2)
++		return ino1_gen == ino2_gen;
++
++	while (ino > BTRFS_FIRST_FREE_OBJECTID) {
++		u64 parent;
++		u64 parent_gen;
++		int ret;
++
++		fs_path_reset(fs_path);
++		ret = get_first_ref(root, ino, &parent, &parent_gen, fs_path);
++		if (ret < 0)
++			return ret;
++		if (parent == ino1)
++			return parent_gen == ino1_gen;
++		ino = parent;
++	}
++	return 0;
++}
++
++/*
++ * Check if ino ino1 is an ancestor of inode ino2 in the given root for any
++ * possible path (in case ino2 is not a directory and has multiple hard links).
+  * Return 1 if true, 0 if false and < 0 on error.
+  */
+ static int is_ancestor(struct btrfs_root *root,
+@@ -3536,36 +3569,91 @@ static int is_ancestor(struct btrfs_root *root,
+ 		       const u64 ino2,
+ 		       struct fs_path *fs_path)
+ {
+-	u64 ino = ino2;
+-	bool free_path = false;
++	bool free_fs_path = false;
+ 	int ret = 0;
++	struct btrfs_path *path = NULL;
++	struct btrfs_key key;
+ 
+ 	if (!fs_path) {
+ 		fs_path = fs_path_alloc();
+ 		if (!fs_path)
+ 			return -ENOMEM;
+-		free_path = true;
++		free_fs_path = true;
+ 	}
+ 
+-	while (ino > BTRFS_FIRST_FREE_OBJECTID) {
+-		u64 parent;
+-		u64 parent_gen;
++	path = alloc_path_for_send();
++	if (!path) {
++		ret = -ENOMEM;
++		goto out;
++	}
+ 
+-		fs_path_reset(fs_path);
+-		ret = get_first_ref(root, ino, &parent, &parent_gen, fs_path);
+-		if (ret < 0) {
+-			if (ret == -ENOENT && ino == ino2)
+-				ret = 0;
+-			goto out;
++	key.objectid = ino2;
++	key.type = BTRFS_INODE_REF_KEY;
++	key.offset = 0;
++
++	ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
++	if (ret < 0)
++		goto out;
++
++	while (true) {
++		struct extent_buffer *leaf = path->nodes[0];
++		int slot = path->slots[0];
++		u32 cur_offset = 0;
++		u32 item_size;
++
++		if (slot >= btrfs_header_nritems(leaf)) {
++			ret = btrfs_next_leaf(root, path);
++			if (ret < 0)
++				goto out;
++			if (ret > 0)
++				break;
++			continue;
+ 		}
+-		if (parent == ino1) {
+-			ret = parent_gen == ino1_gen ? 1 : 0;
+-			goto out;
++
++		btrfs_item_key_to_cpu(leaf, &key, slot);
++		if (key.objectid != ino2)
++			break;
++		if (key.type != BTRFS_INODE_REF_KEY &&
++		    key.type != BTRFS_INODE_EXTREF_KEY)
++			break;
++
++		item_size = btrfs_item_size_nr(leaf, slot);
++		while (cur_offset < item_size) {
++			u64 parent;
++			u64 parent_gen;
++
++			if (key.type == BTRFS_INODE_EXTREF_KEY) {
++				unsigned long ptr;
++				struct btrfs_inode_extref *extref;
++
++				ptr = btrfs_item_ptr_offset(leaf, slot);
++				extref = (struct btrfs_inode_extref *)
++					(ptr + cur_offset);
++				parent = btrfs_inode_extref_parent(leaf,
++								   extref);
++				cur_offset += sizeof(*extref);
++				cur_offset += btrfs_inode_extref_name_len(leaf,
++								  extref);
++			} else {
++				parent = key.offset;
++				cur_offset = item_size;
++			}
++
++			ret = get_inode_info(root, parent, NULL, &parent_gen,
++					     NULL, NULL, NULL, NULL);
++			if (ret < 0)
++				goto out;
++			ret = check_ino_in_path(root, ino1, ino1_gen,
++						parent, parent_gen, fs_path);
++			if (ret)
++				goto out;
+ 		}
+-		ino = parent;
++		path->slots[0]++;
+ 	}
++	ret = 0;
+  out:
+-	if (free_path)
++	btrfs_free_path(path);
++	if (free_fs_path)
+ 		fs_path_free(fs_path);
+ 	return ret;
+ }
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index c800d067fcbf..d3002842d7f6 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -4100,7 +4100,7 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
+ 
+ 	if (ordered_io_err) {
+ 		ctx->io_err = -EIO;
+-		return 0;
++		return ctx->io_err;
+ 	}
+ 
+ 	btrfs_init_map_token(&token);
+diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
+index 0c11121a8ace..4006b2a1233d 100644
+--- a/fs/btrfs/volumes.c
++++ b/fs/btrfs/volumes.c
+@@ -1765,20 +1765,24 @@ static int btrfs_rm_dev_item(struct btrfs_fs_info *fs_info,
+ 	key.offset = device->devid;
+ 
+ 	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
+-	if (ret < 0)
+-		goto out;
+-
+-	if (ret > 0) {
+-		ret = -ENOENT;
++	if (ret) {
++		if (ret > 0)
++			ret = -ENOENT;
++		btrfs_abort_transaction(trans, ret);
++		btrfs_end_transaction(trans);
+ 		goto out;
+ 	}
+ 
+ 	ret = btrfs_del_item(trans, root, path);
+-	if (ret)
+-		goto out;
++	if (ret) {
++		btrfs_abort_transaction(trans, ret);
++		btrfs_end_transaction(trans);
++	}
++
+ out:
+ 	btrfs_free_path(path);
+-	btrfs_commit_transaction(trans);
++	if (!ret)
++		ret = btrfs_commit_transaction(trans);
+ 	return ret;
+ }
+ 
+diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
+index 45e96549ebd2..809cbccbad28 100644
+--- a/fs/lockd/svc.c
++++ b/fs/lockd/svc.c
+@@ -57,6 +57,9 @@ static struct task_struct	*nlmsvc_task;
+ static struct svc_rqst		*nlmsvc_rqst;
+ unsigned long			nlmsvc_timeout;
+ 
++atomic_t nlm_ntf_refcnt = ATOMIC_INIT(0);
++DECLARE_WAIT_QUEUE_HEAD(nlm_ntf_wq);
++
+ unsigned int lockd_net_id;
+ 
+ /*
+@@ -292,7 +295,8 @@ static int lockd_inetaddr_event(struct notifier_block *this,
+ 	struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
+ 	struct sockaddr_in sin;
+ 
+-	if (event != NETDEV_DOWN)
++	if ((event != NETDEV_DOWN) ||
++	    !atomic_inc_not_zero(&nlm_ntf_refcnt))
+ 		goto out;
+ 
+ 	if (nlmsvc_rqst) {
+@@ -303,6 +307,8 @@ static int lockd_inetaddr_event(struct notifier_block *this,
+ 		svc_age_temp_xprts_now(nlmsvc_rqst->rq_server,
+ 			(struct sockaddr *)&sin);
+ 	}
++	atomic_dec(&nlm_ntf_refcnt);
++	wake_up(&nlm_ntf_wq);
+ 
+ out:
+ 	return NOTIFY_DONE;
+@@ -319,7 +325,8 @@ static int lockd_inet6addr_event(struct notifier_block *this,
+ 	struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
+ 	struct sockaddr_in6 sin6;
+ 
+-	if (event != NETDEV_DOWN)
++	if ((event != NETDEV_DOWN) ||
++	    !atomic_inc_not_zero(&nlm_ntf_refcnt))
+ 		goto out;
+ 
+ 	if (nlmsvc_rqst) {
+@@ -331,6 +338,8 @@ static int lockd_inet6addr_event(struct notifier_block *this,
+ 		svc_age_temp_xprts_now(nlmsvc_rqst->rq_server,
+ 			(struct sockaddr *)&sin6);
+ 	}
++	atomic_dec(&nlm_ntf_refcnt);
++	wake_up(&nlm_ntf_wq);
+ 
+ out:
+ 	return NOTIFY_DONE;
+@@ -347,10 +356,12 @@ static void lockd_unregister_notifiers(void)
+ #if IS_ENABLED(CONFIG_IPV6)
+ 	unregister_inet6addr_notifier(&lockd_inet6addr_notifier);
+ #endif
++	wait_event(nlm_ntf_wq, atomic_read(&nlm_ntf_refcnt) == 0);
+ }
+ 
+ static void lockd_svc_exit_thread(void)
+ {
++	atomic_dec(&nlm_ntf_refcnt);
+ 	lockd_unregister_notifiers();
+ 	svc_exit_thread(nlmsvc_rqst);
+ }
+@@ -375,6 +386,7 @@ static int lockd_start_svc(struct svc_serv *serv)
+ 		goto out_rqst;
+ 	}
+ 
++	atomic_inc(&nlm_ntf_refcnt);
+ 	svc_sock_update_bufs(serv);
+ 	serv->sv_maxconn = nlm_max_connections;
+ 
+diff --git a/fs/namespace.c b/fs/namespace.c
+index d18deb4c410b..adae9ffce91d 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -2826,6 +2826,7 @@ long do_mount(const char *dev_name, const char __user *dir_name,
+ 			    SB_DIRSYNC |
+ 			    SB_SILENT |
+ 			    SB_POSIXACL |
++			    SB_LAZYTIME |
+ 			    SB_I_VERSION);
+ 
+ 	if (flags & MS_REMOUNT)
+diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c
+index 420d3a0ab258..3b13fb3b0553 100644
+--- a/fs/nfs_common/grace.c
++++ b/fs/nfs_common/grace.c
+@@ -30,7 +30,11 @@ locks_start_grace(struct net *net, struct lock_manager *lm)
+ 	struct list_head *grace_list = net_generic(net, grace_net_id);
+ 
+ 	spin_lock(&grace_lock);
+-	list_add(&lm->list, grace_list);
++	if (list_empty(&lm->list))
++		list_add(&lm->list, grace_list);
++	else
++		WARN(1, "double list_add attempt detected in net %x %s\n",
++		     net->ns.inum, (net == &init_net) ? "(init_net)" : "");
+ 	spin_unlock(&grace_lock);
+ }
+ EXPORT_SYMBOL_GPL(locks_start_grace);
+@@ -104,7 +108,9 @@ grace_exit_net(struct net *net)
+ {
+ 	struct list_head *grace_list = net_generic(net, grace_net_id);
+ 
+-	BUG_ON(!list_empty(grace_list));
++	WARN_ONCE(!list_empty(grace_list),
++		  "net %x %s: grace_list is not empty\n",
++		  net->ns.inum, __func__);
+ }
+ 
+ static struct pernet_operations grace_net_ops = {
+diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
+index a439a70177a4..d89e6ccd33ba 100644
+--- a/fs/nfsd/nfs4state.c
++++ b/fs/nfsd/nfs4state.c
+@@ -63,12 +63,16 @@ static const stateid_t zero_stateid = {
+ static const stateid_t currentstateid = {
+ 	.si_generation = 1,
+ };
++static const stateid_t close_stateid = {
++	.si_generation = 0xffffffffU,
++};
+ 
+ static u64 current_sessionid = 1;
+ 
+ #define ZERO_STATEID(stateid) (!memcmp((stateid), &zero_stateid, sizeof(stateid_t)))
+ #define ONE_STATEID(stateid)  (!memcmp((stateid), &one_stateid, sizeof(stateid_t)))
+ #define CURRENT_STATEID(stateid) (!memcmp((stateid), &currentstateid, sizeof(stateid_t)))
++#define CLOSE_STATEID(stateid)  (!memcmp((stateid), &close_stateid, sizeof(stateid_t)))
+ 
+ /* forward declarations */
+ static bool check_for_locks(struct nfs4_file *fp, struct nfs4_lockowner *lowner);
+@@ -4866,7 +4870,8 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid)
+ 	struct nfs4_stid *s;
+ 	__be32 status = nfserr_bad_stateid;
+ 
+-	if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
++	if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) ||
++		CLOSE_STATEID(stateid))
+ 		return status;
+ 	/* Client debugging aid. */
+ 	if (!same_clid(&stateid->si_opaque.so_clid, &cl->cl_clientid)) {
+@@ -4924,7 +4929,8 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate,
+ 	else if (typemask & NFS4_DELEG_STID)
+ 		typemask |= NFS4_REVOKED_DELEG_STID;
+ 
+-	if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
++	if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) ||
++		CLOSE_STATEID(stateid))
+ 		return nfserr_bad_stateid;
+ 	status = lookup_clientid(&stateid->si_opaque.so_clid, cstate, nn);
+ 	if (status == nfserr_stale_clientid) {
+@@ -5177,15 +5183,9 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_
+ 	status = nfsd4_check_seqid(cstate, sop, seqid);
+ 	if (status)
+ 		return status;
+-	if (stp->st_stid.sc_type == NFS4_CLOSED_STID
+-		|| stp->st_stid.sc_type == NFS4_REVOKED_DELEG_STID)
+-		/*
+-		 * "Closed" stateid's exist *only* to return
+-		 * nfserr_replay_me from the previous step, and
+-		 * revoked delegations are kept only for free_stateid.
+-		 */
+-		return nfserr_bad_stateid;
+-	mutex_lock(&stp->st_mutex);
++	status = nfsd4_lock_ol_stateid(stp);
++	if (status != nfs_ok)
++		return status;
+ 	status = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, nfsd4_has_session(cstate));
+ 	if (status == nfs_ok)
+ 		status = nfs4_check_fh(current_fh, &stp->st_stid);
+@@ -5411,6 +5411,11 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+ 	nfsd4_close_open_stateid(stp);
+ 	mutex_unlock(&stp->st_mutex);
+ 
++	/* See RFC5661 sectionm 18.2.4 */
++	if (stp->st_stid.sc_client->cl_minorversion)
++		memcpy(&close->cl_stateid, &close_stateid,
++				sizeof(close->cl_stateid));
++
+ 	/* put reference from nfs4_preprocess_seqid_op */
+ 	nfs4_put_stid(&stp->st_stid);
+ out:
+@@ -7016,6 +7021,10 @@ static int nfs4_state_create_net(struct net *net)
+ 		INIT_LIST_HEAD(&nn->sessionid_hashtbl[i]);
+ 	nn->conf_name_tree = RB_ROOT;
+ 	nn->unconf_name_tree = RB_ROOT;
++	nn->boot_time = get_seconds();
++	nn->grace_ended = false;
++	nn->nfsd4_manager.block_opens = true;
++	INIT_LIST_HEAD(&nn->nfsd4_manager.list);
+ 	INIT_LIST_HEAD(&nn->client_lru);
+ 	INIT_LIST_HEAD(&nn->close_lru);
+ 	INIT_LIST_HEAD(&nn->del_recall_lru);
+@@ -7073,9 +7082,6 @@ nfs4_state_start_net(struct net *net)
+ 	ret = nfs4_state_create_net(net);
+ 	if (ret)
+ 		return ret;
+-	nn->boot_time = get_seconds();
+-	nn->grace_ended = false;
+-	nn->nfsd4_manager.block_opens = true;
+ 	locks_start_grace(net, &nn->nfsd4_manager);
+ 	nfsd4_client_tracking_init(net);
+ 	printk(KERN_INFO "NFSD: starting %ld-second grace period (net %p)\n",
+diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
+index 9f78b5015f2e..4cd0c2336624 100644
+--- a/fs/quota/dquot.c
++++ b/fs/quota/dquot.c
+@@ -934,12 +934,13 @@ static int dqinit_needed(struct inode *inode, int type)
+ }
+ 
+ /* This routine is guarded by s_umount semaphore */
+-static void add_dquot_ref(struct super_block *sb, int type)
++static int add_dquot_ref(struct super_block *sb, int type)
+ {
+ 	struct inode *inode, *old_inode = NULL;
+ #ifdef CONFIG_QUOTA_DEBUG
+ 	int reserved = 0;
+ #endif
++	int err = 0;
+ 
+ 	spin_lock(&sb->s_inode_list_lock);
+ 	list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
+@@ -959,7 +960,11 @@ static void add_dquot_ref(struct super_block *sb, int type)
+ 			reserved = 1;
+ #endif
+ 		iput(old_inode);
+-		__dquot_initialize(inode, type);
++		err = __dquot_initialize(inode, type);
++		if (err) {
++			iput(inode);
++			goto out;
++		}
+ 
+ 		/*
+ 		 * We hold a reference to 'inode' so it couldn't have been
+@@ -974,7 +979,7 @@ static void add_dquot_ref(struct super_block *sb, int type)
+ 	}
+ 	spin_unlock(&sb->s_inode_list_lock);
+ 	iput(old_inode);
+-
++out:
+ #ifdef CONFIG_QUOTA_DEBUG
+ 	if (reserved) {
+ 		quota_error(sb, "Writes happened before quota was turned on "
+@@ -982,6 +987,7 @@ static void add_dquot_ref(struct super_block *sb, int type)
+ 			"Please run quotacheck(8)");
+ 	}
+ #endif
++	return err;
+ }
+ 
+ /*
+@@ -2372,10 +2378,11 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
+ 	dqopt->flags |= dquot_state_flag(flags, type);
+ 	spin_unlock(&dq_state_lock);
+ 
+-	add_dquot_ref(sb, type);
+-
+-	return 0;
++	error = add_dquot_ref(sb, type);
++	if (error)
++		dquot_disable(sb, type, flags);
+ 
++	return error;
+ out_file_init:
+ 	dqopt->files[type] = NULL;
+ 	iput(inode);
+@@ -2978,7 +2985,8 @@ static int __init dquot_init(void)
+ 	pr_info("VFS: Dquot-cache hash table entries: %ld (order %ld,"
+ 		" %ld bytes)\n", nr_hash, order, (PAGE_SIZE << order));
+ 
+-	register_shrinker(&dqcache_shrinker);
++	if (register_shrinker(&dqcache_shrinker))
++		panic("Cannot register dquot shrinker");
+ 
+ 	return 0;
+ }
+diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
+index 5464ec517702..4885c7b6e44f 100644
+--- a/fs/reiserfs/super.c
++++ b/fs/reiserfs/super.c
+@@ -2591,7 +2591,6 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
+ 		return err;
+ 	if (inode->i_size < off + len - towrite)
+ 		i_size_write(inode, off + len - towrite);
+-	inode->i_version++;
+ 	inode->i_mtime = inode->i_ctime = current_time(inode);
+ 	mark_inode_dirty(inode);
+ 	return len - towrite;
+diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
+index a3eeaba156c5..b0cccf8a81a8 100644
+--- a/fs/xfs/xfs_aops.c
++++ b/fs/xfs/xfs_aops.c
+@@ -399,7 +399,7 @@ xfs_map_blocks(
+ 	       (ip->i_df.if_flags & XFS_IFEXTENTS));
+ 	ASSERT(offset <= mp->m_super->s_maxbytes);
+ 
+-	if (offset + count > mp->m_super->s_maxbytes)
++	if ((xfs_ufsize_t)offset + count > mp->m_super->s_maxbytes)
+ 		count = mp->m_super->s_maxbytes - offset;
+ 	end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count);
+ 	offset_fsb = XFS_B_TO_FSBT(mp, offset);
+@@ -1265,7 +1265,7 @@ xfs_map_trim_size(
+ 	if (mapping_size > size)
+ 		mapping_size = size;
+ 	if (offset < i_size_read(inode) &&
+-	    offset + mapping_size >= i_size_read(inode)) {
++	    (xfs_ufsize_t)offset + mapping_size >= i_size_read(inode)) {
+ 		/* limit mapping to block that spans EOF */
+ 		mapping_size = roundup_64(i_size_read(inode) - offset,
+ 					  i_blocksize(inode));
+@@ -1312,7 +1312,7 @@ xfs_get_blocks(
+ 	lockmode = xfs_ilock_data_map_shared(ip);
+ 
+ 	ASSERT(offset <= mp->m_super->s_maxbytes);
+-	if (offset + size > mp->m_super->s_maxbytes)
++	if ((xfs_ufsize_t)offset + size > mp->m_super->s_maxbytes)
+ 		size = mp->m_super->s_maxbytes - offset;
+ 	end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + size);
+ 	offset_fsb = XFS_B_TO_FSBT(mp, offset);
+diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
+index dd136f7275e4..e5fb008d75e8 100644
+--- a/fs/xfs/xfs_bmap_item.c
++++ b/fs/xfs/xfs_bmap_item.c
+@@ -389,7 +389,8 @@ xfs_bud_init(
+ int
+ xfs_bui_recover(
+ 	struct xfs_mount		*mp,
+-	struct xfs_bui_log_item		*buip)
++	struct xfs_bui_log_item		*buip,
++	struct xfs_defer_ops		*dfops)
+ {
+ 	int				error = 0;
+ 	unsigned int			bui_type;
+@@ -404,9 +405,7 @@ xfs_bui_recover(
+ 	xfs_exntst_t			state;
+ 	struct xfs_trans		*tp;
+ 	struct xfs_inode		*ip = NULL;
+-	struct xfs_defer_ops		dfops;
+ 	struct xfs_bmbt_irec		irec;
+-	xfs_fsblock_t			firstfsb;
+ 
+ 	ASSERT(!test_bit(XFS_BUI_RECOVERED, &buip->bui_flags));
+ 
+@@ -464,7 +463,6 @@ xfs_bui_recover(
+ 
+ 	if (VFS_I(ip)->i_nlink == 0)
+ 		xfs_iflags_set(ip, XFS_IRECOVERY);
+-	xfs_defer_init(&dfops, &firstfsb);
+ 
+ 	/* Process deferred bmap item. */
+ 	state = (bmap->me_flags & XFS_BMAP_EXTENT_UNWRITTEN) ?
+@@ -479,16 +477,16 @@ xfs_bui_recover(
+ 		break;
+ 	default:
+ 		error = -EFSCORRUPTED;
+-		goto err_dfops;
++		goto err_inode;
+ 	}
+ 	xfs_trans_ijoin(tp, ip, 0);
+ 
+ 	count = bmap->me_len;
+-	error = xfs_trans_log_finish_bmap_update(tp, budp, &dfops, type,
++	error = xfs_trans_log_finish_bmap_update(tp, budp, dfops, type,
+ 			ip, whichfork, bmap->me_startoff,
+ 			bmap->me_startblock, &count, state);
+ 	if (error)
+-		goto err_dfops;
++		goto err_inode;
+ 
+ 	if (count > 0) {
+ 		ASSERT(type == XFS_BMAP_UNMAP);
+@@ -496,16 +494,11 @@ xfs_bui_recover(
+ 		irec.br_blockcount = count;
+ 		irec.br_startoff = bmap->me_startoff;
+ 		irec.br_state = state;
+-		error = xfs_bmap_unmap_extent(tp->t_mountp, &dfops, ip, &irec);
++		error = xfs_bmap_unmap_extent(tp->t_mountp, dfops, ip, &irec);
+ 		if (error)
+-			goto err_dfops;
++			goto err_inode;
+ 	}
+ 
+-	/* Finish transaction, free inodes. */
+-	error = xfs_defer_finish(&tp, &dfops);
+-	if (error)
+-		goto err_dfops;
+-
+ 	set_bit(XFS_BUI_RECOVERED, &buip->bui_flags);
+ 	error = xfs_trans_commit(tp);
+ 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+@@ -513,8 +506,6 @@ xfs_bui_recover(
+ 
+ 	return error;
+ 
+-err_dfops:
+-	xfs_defer_cancel(&dfops);
+ err_inode:
+ 	xfs_trans_cancel(tp);
+ 	if (ip) {
+diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h
+index c867daae4a3c..24b354a2c836 100644
+--- a/fs/xfs/xfs_bmap_item.h
++++ b/fs/xfs/xfs_bmap_item.h
+@@ -93,6 +93,7 @@ struct xfs_bud_log_item *xfs_bud_init(struct xfs_mount *,
+ 		struct xfs_bui_log_item *);
+ void xfs_bui_item_free(struct xfs_bui_log_item *);
+ void xfs_bui_release(struct xfs_bui_log_item *);
+-int xfs_bui_recover(struct xfs_mount *mp, struct xfs_bui_log_item *buip);
++int xfs_bui_recover(struct xfs_mount *mp, struct xfs_bui_log_item *buip,
++		struct xfs_defer_ops *dfops);
+ 
+ #endif	/* __XFS_BMAP_ITEM_H__ */
+diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
+index 2f97c12ca75e..16f93d7356b7 100644
+--- a/fs/xfs/xfs_buf.c
++++ b/fs/xfs/xfs_buf.c
+@@ -1813,22 +1813,27 @@ xfs_alloc_buftarg(
+ 	btp->bt_daxdev = dax_dev;
+ 
+ 	if (xfs_setsize_buftarg_early(btp, bdev))
+-		goto error;
++		goto error_free;
+ 
+ 	if (list_lru_init(&btp->bt_lru))
+-		goto error;
++		goto error_free;
+ 
+ 	if (percpu_counter_init(&btp->bt_io_count, 0, GFP_KERNEL))
+-		goto error;
++		goto error_lru;
+ 
+ 	btp->bt_shrinker.count_objects = xfs_buftarg_shrink_count;
+ 	btp->bt_shrinker.scan_objects = xfs_buftarg_shrink_scan;
+ 	btp->bt_shrinker.seeks = DEFAULT_SEEKS;
+ 	btp->bt_shrinker.flags = SHRINKER_NUMA_AWARE;
+-	register_shrinker(&btp->bt_shrinker);
++	if (register_shrinker(&btp->bt_shrinker))
++		goto error_pcpu;
+ 	return btp;
+ 
+-error:
++error_pcpu:
++	percpu_counter_destroy(&btp->bt_io_count);
++error_lru:
++	list_lru_destroy(&btp->bt_lru);
++error_free:
+ 	kmem_free(btp);
+ 	return NULL;
+ }
+diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
+index cd82429d8df7..5a86495127fd 100644
+--- a/fs/xfs/xfs_dquot.c
++++ b/fs/xfs/xfs_dquot.c
+@@ -987,14 +987,22 @@ xfs_qm_dqflush_done(
+ 	 * holding the lock before removing the dquot from the AIL.
+ 	 */
+ 	if ((lip->li_flags & XFS_LI_IN_AIL) &&
+-	    lip->li_lsn == qip->qli_flush_lsn) {
++	    ((lip->li_lsn == qip->qli_flush_lsn) ||
++	     (lip->li_flags & XFS_LI_FAILED))) {
+ 
+ 		/* xfs_trans_ail_delete() drops the AIL lock. */
+ 		spin_lock(&ailp->xa_lock);
+-		if (lip->li_lsn == qip->qli_flush_lsn)
++		if (lip->li_lsn == qip->qli_flush_lsn) {
+ 			xfs_trans_ail_delete(ailp, lip, SHUTDOWN_CORRUPT_INCORE);
+-		else
++		} else {
++			/*
++			 * Clear the failed state since we are about to drop the
++			 * flush lock
++			 */
++			if (lip->li_flags & XFS_LI_FAILED)
++				xfs_clear_li_failed(lip);
+ 			spin_unlock(&ailp->xa_lock);
++		}
+ 	}
+ 
+ 	/*
+diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
+index 2c7a1629e064..664dea105e76 100644
+--- a/fs/xfs/xfs_dquot_item.c
++++ b/fs/xfs/xfs_dquot_item.c
+@@ -137,6 +137,26 @@ xfs_qm_dqunpin_wait(
+ 	wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0));
+ }
+ 
++/*
++ * Callback used to mark a buffer with XFS_LI_FAILED when items in the buffer
++ * have been failed during writeback
++ *
++ * this informs the AIL that the dquot is already flush locked on the next push,
++ * and acquires a hold on the buffer to ensure that it isn't reclaimed before
++ * dirty data makes it to disk.
++ */
++STATIC void
++xfs_dquot_item_error(
++	struct xfs_log_item	*lip,
++	struct xfs_buf		*bp)
++{
++	struct xfs_dquot	*dqp;
++
++	dqp = DQUOT_ITEM(lip)->qli_dquot;
++	ASSERT(!completion_done(&dqp->q_flush));
++	xfs_set_li_failed(lip, bp);
++}
++
+ STATIC uint
+ xfs_qm_dquot_logitem_push(
+ 	struct xfs_log_item	*lip,
+@@ -144,13 +164,28 @@ xfs_qm_dquot_logitem_push(
+ 					      __acquires(&lip->li_ailp->xa_lock)
+ {
+ 	struct xfs_dquot	*dqp = DQUOT_ITEM(lip)->qli_dquot;
+-	struct xfs_buf		*bp = NULL;
++	struct xfs_buf		*bp = lip->li_buf;
+ 	uint			rval = XFS_ITEM_SUCCESS;
+ 	int			error;
+ 
+ 	if (atomic_read(&dqp->q_pincount) > 0)
+ 		return XFS_ITEM_PINNED;
+ 
++	/*
++	 * The buffer containing this item failed to be written back
++	 * previously. Resubmit the buffer for IO
++	 */
++	if (lip->li_flags & XFS_LI_FAILED) {
++		if (!xfs_buf_trylock(bp))
++			return XFS_ITEM_LOCKED;
++
++		if (!xfs_buf_resubmit_failed_buffers(bp, lip, buffer_list))
++			rval = XFS_ITEM_FLUSHING;
++
++		xfs_buf_unlock(bp);
++		return rval;
++	}
++
+ 	if (!xfs_dqlock_nowait(dqp))
+ 		return XFS_ITEM_LOCKED;
+ 
+@@ -242,7 +277,8 @@ static const struct xfs_item_ops xfs_dquot_item_ops = {
+ 	.iop_unlock	= xfs_qm_dquot_logitem_unlock,
+ 	.iop_committed	= xfs_qm_dquot_logitem_committed,
+ 	.iop_push	= xfs_qm_dquot_logitem_push,
+-	.iop_committing = xfs_qm_dquot_logitem_committing
++	.iop_committing = xfs_qm_dquot_logitem_committing,
++	.iop_error	= xfs_dquot_item_error
+ };
+ 
+ /*
+diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
+index 63350906961a..cb4833d06467 100644
+--- a/fs/xfs/xfs_inode.c
++++ b/fs/xfs/xfs_inode.c
+@@ -2421,6 +2421,24 @@ xfs_ifree_cluster(
+ 	return 0;
+ }
+ 
++/*
++ * Free any local-format buffers sitting around before we reset to
++ * extents format.
++ */
++static inline void
++xfs_ifree_local_data(
++	struct xfs_inode	*ip,
++	int			whichfork)
++{
++	struct xfs_ifork	*ifp;
++
++	if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL)
++		return;
++
++	ifp = XFS_IFORK_PTR(ip, whichfork);
++	xfs_idata_realloc(ip, -ifp->if_bytes, whichfork);
++}
++
+ /*
+  * This is called to return an inode to the inode free list.
+  * The inode should already be truncated to 0 length and have
+@@ -2458,6 +2476,9 @@ xfs_ifree(
+ 	if (error)
+ 		return error;
+ 
++	xfs_ifree_local_data(ip, XFS_DATA_FORK);
++	xfs_ifree_local_data(ip, XFS_ATTR_FORK);
++
+ 	VFS_I(ip)->i_mode = 0;		/* mark incore inode as free */
+ 	ip->i_d.di_flags = 0;
+ 	ip->i_d.di_dmevmask = 0;
+diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
+index d6e049fdd977..eaf29646c28f 100644
+--- a/fs/xfs/xfs_log_recover.c
++++ b/fs/xfs/xfs_log_recover.c
+@@ -24,6 +24,7 @@
+ #include "xfs_bit.h"
+ #include "xfs_sb.h"
+ #include "xfs_mount.h"
++#include "xfs_defer.h"
+ #include "xfs_da_format.h"
+ #include "xfs_da_btree.h"
+ #include "xfs_inode.h"
+@@ -4714,7 +4715,8 @@ STATIC int
+ xlog_recover_process_cui(
+ 	struct xfs_mount		*mp,
+ 	struct xfs_ail			*ailp,
+-	struct xfs_log_item		*lip)
++	struct xfs_log_item		*lip,
++	struct xfs_defer_ops		*dfops)
+ {
+ 	struct xfs_cui_log_item		*cuip;
+ 	int				error;
+@@ -4727,7 +4729,7 @@ xlog_recover_process_cui(
+ 		return 0;
+ 
+ 	spin_unlock(&ailp->xa_lock);
+-	error = xfs_cui_recover(mp, cuip);
++	error = xfs_cui_recover(mp, cuip, dfops);
+ 	spin_lock(&ailp->xa_lock);
+ 
+ 	return error;
+@@ -4754,7 +4756,8 @@ STATIC int
+ xlog_recover_process_bui(
+ 	struct xfs_mount		*mp,
+ 	struct xfs_ail			*ailp,
+-	struct xfs_log_item		*lip)
++	struct xfs_log_item		*lip,
++	struct xfs_defer_ops		*dfops)
+ {
+ 	struct xfs_bui_log_item		*buip;
+ 	int				error;
+@@ -4767,7 +4770,7 @@ xlog_recover_process_bui(
+ 		return 0;
+ 
+ 	spin_unlock(&ailp->xa_lock);
+-	error = xfs_bui_recover(mp, buip);
++	error = xfs_bui_recover(mp, buip, dfops);
+ 	spin_lock(&ailp->xa_lock);
+ 
+ 	return error;
+@@ -4803,6 +4806,46 @@ static inline bool xlog_item_is_intent(struct xfs_log_item *lip)
+ 	}
+ }
+ 
++/* Take all the collected deferred ops and finish them in order. */
++static int
++xlog_finish_defer_ops(
++	struct xfs_mount	*mp,
++	struct xfs_defer_ops	*dfops)
++{
++	struct xfs_trans	*tp;
++	int64_t			freeblks;
++	uint			resblks;
++	int			error;
++
++	/*
++	 * We're finishing the defer_ops that accumulated as a result of
++	 * recovering unfinished intent items during log recovery.  We
++	 * reserve an itruncate transaction because it is the largest
++	 * permanent transaction type.  Since we're the only user of the fs
++	 * right now, take 93% (15/16) of the available free blocks.  Use
++	 * weird math to avoid a 64-bit division.
++	 */
++	freeblks = percpu_counter_sum(&mp->m_fdblocks);
++	if (freeblks <= 0)
++		return -ENOSPC;
++	resblks = min_t(int64_t, UINT_MAX, freeblks);
++	resblks = (resblks * 15) >> 4;
++	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, resblks,
++			0, XFS_TRANS_RESERVE, &tp);
++	if (error)
++		return error;
++
++	error = xfs_defer_finish(&tp, dfops);
++	if (error)
++		goto out_cancel;
++
++	return xfs_trans_commit(tp);
++
++out_cancel:
++	xfs_trans_cancel(tp);
++	return error;
++}
++
+ /*
+  * When this is called, all of the log intent items which did not have
+  * corresponding log done items should be in the AIL.  What we do now
+@@ -4823,10 +4866,12 @@ STATIC int
+ xlog_recover_process_intents(
+ 	struct xlog		*log)
+ {
+-	struct xfs_log_item	*lip;
+-	int			error = 0;
++	struct xfs_defer_ops	dfops;
+ 	struct xfs_ail_cursor	cur;
++	struct xfs_log_item	*lip;
+ 	struct xfs_ail		*ailp;
++	xfs_fsblock_t		firstfsb;
++	int			error = 0;
+ #if defined(DEBUG) || defined(XFS_WARN)
+ 	xfs_lsn_t		last_lsn;
+ #endif
+@@ -4837,6 +4882,7 @@ xlog_recover_process_intents(
+ #if defined(DEBUG) || defined(XFS_WARN)
+ 	last_lsn = xlog_assign_lsn(log->l_curr_cycle, log->l_curr_block);
+ #endif
++	xfs_defer_init(&dfops, &firstfsb);
+ 	while (lip != NULL) {
+ 		/*
+ 		 * We're done when we see something other than an intent.
+@@ -4857,6 +4903,12 @@ xlog_recover_process_intents(
+ 		 */
+ 		ASSERT(XFS_LSN_CMP(last_lsn, lip->li_lsn) >= 0);
+ 
++		/*
++		 * NOTE: If your intent processing routine can create more
++		 * deferred ops, you /must/ attach them to the dfops in this
++		 * routine or else those subsequent intents will get
++		 * replayed in the wrong order!
++		 */
+ 		switch (lip->li_type) {
+ 		case XFS_LI_EFI:
+ 			error = xlog_recover_process_efi(log->l_mp, ailp, lip);
+@@ -4865,10 +4917,12 @@ xlog_recover_process_intents(
+ 			error = xlog_recover_process_rui(log->l_mp, ailp, lip);
+ 			break;
+ 		case XFS_LI_CUI:
+-			error = xlog_recover_process_cui(log->l_mp, ailp, lip);
++			error = xlog_recover_process_cui(log->l_mp, ailp, lip,
++					&dfops);
+ 			break;
+ 		case XFS_LI_BUI:
+-			error = xlog_recover_process_bui(log->l_mp, ailp, lip);
++			error = xlog_recover_process_bui(log->l_mp, ailp, lip,
++					&dfops);
+ 			break;
+ 		}
+ 		if (error)
+@@ -4878,6 +4932,11 @@ xlog_recover_process_intents(
+ out:
+ 	xfs_trans_ail_cursor_done(&cur);
+ 	spin_unlock(&ailp->xa_lock);
++	if (error)
++		xfs_defer_cancel(&dfops);
++	else
++		error = xlog_finish_defer_ops(log->l_mp, &dfops);
++
+ 	return error;
+ }
+ 
+diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
+index 8f2e2fac4255..3a55d6fc271b 100644
+--- a/fs/xfs/xfs_refcount_item.c
++++ b/fs/xfs/xfs_refcount_item.c
+@@ -393,7 +393,8 @@ xfs_cud_init(
+ int
+ xfs_cui_recover(
+ 	struct xfs_mount		*mp,
+-	struct xfs_cui_log_item		*cuip)
++	struct xfs_cui_log_item		*cuip,
++	struct xfs_defer_ops		*dfops)
+ {
+ 	int				i;
+ 	int				error = 0;
+@@ -405,11 +406,9 @@ xfs_cui_recover(
+ 	struct xfs_trans		*tp;
+ 	struct xfs_btree_cur		*rcur = NULL;
+ 	enum xfs_refcount_intent_type	type;
+-	xfs_fsblock_t			firstfsb;
+ 	xfs_fsblock_t			new_fsb;
+ 	xfs_extlen_t			new_len;
+ 	struct xfs_bmbt_irec		irec;
+-	struct xfs_defer_ops		dfops;
+ 	bool				requeue_only = false;
+ 
+ 	ASSERT(!test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags));
+@@ -465,7 +464,6 @@ xfs_cui_recover(
+ 		return error;
+ 	cudp = xfs_trans_get_cud(tp, cuip);
+ 
+-	xfs_defer_init(&dfops, &firstfsb);
+ 	for (i = 0; i < cuip->cui_format.cui_nextents; i++) {
+ 		refc = &cuip->cui_format.cui_extents[i];
+ 		refc_type = refc->pe_flags & XFS_REFCOUNT_EXTENT_TYPE_MASK;
+@@ -485,7 +483,7 @@ xfs_cui_recover(
+ 			new_len = refc->pe_len;
+ 		} else
+ 			error = xfs_trans_log_finish_refcount_update(tp, cudp,
+-				&dfops, type, refc->pe_startblock, refc->pe_len,
++				dfops, type, refc->pe_startblock, refc->pe_len,
+ 				&new_fsb, &new_len, &rcur);
+ 		if (error)
+ 			goto abort_error;
+@@ -497,21 +495,21 @@ xfs_cui_recover(
+ 			switch (type) {
+ 			case XFS_REFCOUNT_INCREASE:
+ 				error = xfs_refcount_increase_extent(
+-						tp->t_mountp, &dfops, &irec);
++						tp->t_mountp, dfops, &irec);
+ 				break;
+ 			case XFS_REFCOUNT_DECREASE:
+ 				error = xfs_refcount_decrease_extent(
+-						tp->t_mountp, &dfops, &irec);
++						tp->t_mountp, dfops, &irec);
+ 				break;
+ 			case XFS_REFCOUNT_ALLOC_COW:
+ 				error = xfs_refcount_alloc_cow_extent(
+-						tp->t_mountp, &dfops,
++						tp->t_mountp, dfops,
+ 						irec.br_startblock,
+ 						irec.br_blockcount);
+ 				break;
+ 			case XFS_REFCOUNT_FREE_COW:
+ 				error = xfs_refcount_free_cow_extent(
+-						tp->t_mountp, &dfops,
++						tp->t_mountp, dfops,
+ 						irec.br_startblock,
+ 						irec.br_blockcount);
+ 				break;
+@@ -525,17 +523,12 @@ xfs_cui_recover(
+ 	}
+ 
+ 	xfs_refcount_finish_one_cleanup(tp, rcur, error);
+-	error = xfs_defer_finish(&tp, &dfops);
+-	if (error)
+-		goto abort_defer;
+ 	set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags);
+ 	error = xfs_trans_commit(tp);
+ 	return error;
+ 
+ abort_error:
+ 	xfs_refcount_finish_one_cleanup(tp, rcur, error);
+-abort_defer:
+-	xfs_defer_cancel(&dfops);
+ 	xfs_trans_cancel(tp);
+ 	return error;
+ }
+diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h
+index 5b74dddfa64b..0e5327349a13 100644
+--- a/fs/xfs/xfs_refcount_item.h
++++ b/fs/xfs/xfs_refcount_item.h
+@@ -96,6 +96,7 @@ struct xfs_cud_log_item *xfs_cud_init(struct xfs_mount *,
+ 		struct xfs_cui_log_item *);
+ void xfs_cui_item_free(struct xfs_cui_log_item *);
+ void xfs_cui_release(struct xfs_cui_log_item *);
+-int xfs_cui_recover(struct xfs_mount *mp, struct xfs_cui_log_item *cuip);
++int xfs_cui_recover(struct xfs_mount *mp, struct xfs_cui_log_item *cuip,
++		struct xfs_defer_ops *dfops);
+ 
+ #endif	/* __XFS_REFCOUNT_ITEM_H__ */
+diff --git a/include/crypto/gcm.h b/include/crypto/gcm.h
+new file mode 100644
+index 000000000000..c50e057ea17e
+--- /dev/null
++++ b/include/crypto/gcm.h
+@@ -0,0 +1,8 @@
++#ifndef _CRYPTO_GCM_H
++#define _CRYPTO_GCM_H
++
++#define GCM_AES_IV_SIZE 12
++#define GCM_RFC4106_IV_SIZE 8
++#define GCM_RFC4543_IV_SIZE 8
++
++#endif
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
+index 6882538eda32..5a8019befafd 100644
+--- a/include/linux/kvm_host.h
++++ b/include/linux/kvm_host.h
+@@ -714,6 +714,9 @@ int kvm_vcpu_write_guest(struct kvm_vcpu *vcpu, gpa_t gpa, const void *data,
+ 			 unsigned long len);
+ void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn);
+ 
++void kvm_sigset_activate(struct kvm_vcpu *vcpu);
++void kvm_sigset_deactivate(struct kvm_vcpu *vcpu);
++
+ void kvm_vcpu_block(struct kvm_vcpu *vcpu);
+ void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu);
+ void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu);
+diff --git a/include/linux/tty.h b/include/linux/tty.h
+index 7ac8ba208b1f..0a6c71e0ad01 100644
+--- a/include/linux/tty.h
++++ b/include/linux/tty.h
+@@ -405,6 +405,8 @@ extern const char *tty_name(const struct tty_struct *tty);
+ extern struct tty_struct *tty_kopen(dev_t device);
+ extern void tty_kclose(struct tty_struct *tty);
+ extern int tty_dev_name_to_number(const char *name, dev_t *number);
++extern int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout);
++extern void tty_ldisc_unlock(struct tty_struct *tty);
+ #else
+ static inline void tty_kref_put(struct tty_struct *tty)
+ { }
+diff --git a/include/net/mac80211.h b/include/net/mac80211.h
+index 885690fa39c8..4f1d2dec43ce 100644
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -4470,18 +4470,24 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw,
+  * ieee80211_nullfunc_get - retrieve a nullfunc template
+  * @hw: pointer obtained from ieee80211_alloc_hw().
+  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
++ * @qos_ok: QoS NDP is acceptable to the caller, this should be set
++ *	if at all possible
+  *
+  * Creates a Nullfunc template which can, for example, uploaded to
+  * hardware. The template must be updated after association so that correct
+  * BSSID and address is used.
+  *
++ * If @qos_ndp is set and the association is to an AP with QoS/WMM, the
++ * returned packet will be QoS NDP.
++ *
+  * Note: Caller (or hardware) is responsible for setting the
+  * &IEEE80211_FCTL_PM bit as well as Duration and Sequence Control fields.
+  *
+  * Return: The nullfunc template. %NULL on error.
+  */
+ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
+-				       struct ieee80211_vif *vif);
++				       struct ieee80211_vif *vif,
++				       bool qos_ok);
+ 
+ /**
+  * ieee80211_probereq_get - retrieve a Probe Request template
+diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
+index ebe96796027a..a58caf5807ff 100644
+--- a/include/trace/events/rxrpc.h
++++ b/include/trace/events/rxrpc.h
+@@ -49,6 +49,7 @@ enum rxrpc_conn_trace {
+ 	rxrpc_conn_put_client,
+ 	rxrpc_conn_put_service,
+ 	rxrpc_conn_queued,
++	rxrpc_conn_reap_service,
+ 	rxrpc_conn_seen,
+ };
+ 
+@@ -206,6 +207,7 @@ enum rxrpc_congest_change {
+ 	EM(rxrpc_conn_put_client,		"PTc") \
+ 	EM(rxrpc_conn_put_service,		"PTs") \
+ 	EM(rxrpc_conn_queued,			"QUE") \
++	EM(rxrpc_conn_reap_service,		"RPs") \
+ 	E_(rxrpc_conn_seen,			"SEE")
+ 
+ #define rxrpc_client_traces \
+diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
+index 26283fefdf5f..f7015aa12347 100644
+--- a/include/uapi/linux/kfd_ioctl.h
++++ b/include/uapi/linux/kfd_ioctl.h
+@@ -233,29 +233,29 @@ struct kfd_ioctl_wait_events_args {
+ };
+ 
+ struct kfd_ioctl_set_scratch_backing_va_args {
+-	uint64_t va_addr;	/* to KFD */
+-	uint32_t gpu_id;	/* to KFD */
+-	uint32_t pad;
++	__u64 va_addr;	/* to KFD */
++	__u32 gpu_id;	/* to KFD */
++	__u32 pad;
+ };
+ 
+ struct kfd_ioctl_get_tile_config_args {
+ 	/* to KFD: pointer to tile array */
+-	uint64_t tile_config_ptr;
++	__u64 tile_config_ptr;
+ 	/* to KFD: pointer to macro tile array */
+-	uint64_t macro_tile_config_ptr;
++	__u64 macro_tile_config_ptr;
+ 	/* to KFD: array size allocated by user mode
+ 	 * from KFD: array size filled by kernel
+ 	 */
+-	uint32_t num_tile_configs;
++	__u32 num_tile_configs;
+ 	/* to KFD: array size allocated by user mode
+ 	 * from KFD: array size filled by kernel
+ 	 */
+-	uint32_t num_macro_tile_configs;
++	__u32 num_macro_tile_configs;
+ 
+-	uint32_t gpu_id;		/* to KFD */
+-	uint32_t gb_addr_config;	/* from KFD */
+-	uint32_t num_banks;		/* from KFD */
+-	uint32_t num_ranks;		/* from KFD */
++	__u32 gpu_id;		/* to KFD */
++	__u32 gb_addr_config;	/* from KFD */
++	__u32 num_banks;		/* from KFD */
++	__u32 num_ranks;		/* from KFD */
+ 	/* struct size can be extended later if needed
+ 	 * without breaking ABI compatibility
+ 	 */
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index 24ebad5567b4..8c20af8738ac 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -6756,6 +6756,7 @@ static void perf_fill_ns_link_info(struct perf_ns_link_info *ns_link_info,
+ 		ns_inode = ns_path.dentry->d_inode;
+ 		ns_link_info->dev = new_encode_dev(ns_inode->i_sb->s_dev);
+ 		ns_link_info->ino = ns_inode->i_ino;
++		path_put(&ns_path);
+ 	}
+ }
+ 
+diff --git a/kernel/futex.c b/kernel/futex.c
+index 52b3f4703158..046cd780d057 100644
+--- a/kernel/futex.c
++++ b/kernel/futex.c
+@@ -2311,9 +2311,6 @@ static int fixup_pi_state_owner(u32 __user *uaddr, struct futex_q *q,
+ 	raw_spin_lock_irq(&pi_state->pi_mutex.wait_lock);
+ 
+ 	oldowner = pi_state->owner;
+-	/* Owner died? */
+-	if (!pi_state->owner)
+-		newtid |= FUTEX_OWNER_DIED;
+ 
+ 	/*
+ 	 * We are here because either:
+@@ -2374,6 +2371,9 @@ static int fixup_pi_state_owner(u32 __user *uaddr, struct futex_q *q,
+ 	}
+ 
+ 	newtid = task_pid_vnr(newowner) | FUTEX_WAITERS;
++	/* Owner died? */
++	if (!pi_state->owner)
++		newtid |= FUTEX_OWNER_DIED;
+ 
+ 	if (get_futex_value_locked(&uval, uaddr))
+ 		goto handle_fault;
+diff --git a/lib/test_firmware.c b/lib/test_firmware.c
+index 64a4c76cba2b..e7008688769b 100644
+--- a/lib/test_firmware.c
++++ b/lib/test_firmware.c
+@@ -371,6 +371,7 @@ static ssize_t config_num_requests_store(struct device *dev,
+ 	if (test_fw_config->reqs) {
+ 		pr_err("Must call release_all_firmware prior to changing config\n");
+ 		rc = -EINVAL;
++		mutex_unlock(&test_fw_mutex);
+ 		goto out;
+ 	}
+ 	mutex_unlock(&test_fw_mutex);
+diff --git a/mm/kmemleak.c b/mm/kmemleak.c
+index 7780cd83a495..a1ba553816eb 100644
+--- a/mm/kmemleak.c
++++ b/mm/kmemleak.c
+@@ -1532,6 +1532,8 @@ static void kmemleak_scan(void)
+ 			if (page_count(page) == 0)
+ 				continue;
+ 			scan_block(page, page + 1, NULL);
++			if (!(pfn % (MAX_SCAN_SIZE / sizeof(*page))))
++				cond_resched();
+ 		}
+ 	}
+ 	put_online_mems();
+diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
+index d8bbd0d2225a..d6d3f316de4c 100644
+--- a/net/mac80211/mesh_hwmp.c
++++ b/net/mac80211/mesh_hwmp.c
+@@ -797,7 +797,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
+ 	struct mesh_path *mpath;
+ 	u8 ttl, flags, hopcount;
+ 	const u8 *orig_addr;
+-	u32 orig_sn, metric, metric_txsta, interval;
++	u32 orig_sn, new_metric, orig_metric, last_hop_metric, interval;
+ 	bool root_is_gate;
+ 
+ 	ttl = rann->rann_ttl;
+@@ -808,7 +808,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
+ 	interval = le32_to_cpu(rann->rann_interval);
+ 	hopcount = rann->rann_hopcount;
+ 	hopcount++;
+-	metric = le32_to_cpu(rann->rann_metric);
++	orig_metric = le32_to_cpu(rann->rann_metric);
+ 
+ 	/*  Ignore our own RANNs */
+ 	if (ether_addr_equal(orig_addr, sdata->vif.addr))
+@@ -825,7 +825,10 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
+ 		return;
+ 	}
+ 
+-	metric_txsta = airtime_link_metric_get(local, sta);
++	last_hop_metric = airtime_link_metric_get(local, sta);
++	new_metric = orig_metric + last_hop_metric;
++	if (new_metric < orig_metric)
++		new_metric = MAX_METRIC;
+ 
+ 	mpath = mesh_path_lookup(sdata, orig_addr);
+ 	if (!mpath) {
+@@ -838,7 +841,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
+ 	}
+ 
+ 	if (!(SN_LT(mpath->sn, orig_sn)) &&
+-	    !(mpath->sn == orig_sn && metric < mpath->rann_metric)) {
++	    !(mpath->sn == orig_sn && new_metric < mpath->rann_metric)) {
+ 		rcu_read_unlock();
+ 		return;
+ 	}
+@@ -856,7 +859,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
+ 	}
+ 
+ 	mpath->sn = orig_sn;
+-	mpath->rann_metric = metric + metric_txsta;
++	mpath->rann_metric = new_metric;
+ 	mpath->is_root = true;
+ 	/* Recording RANNs sender address to send individually
+ 	 * addressed PREQs destined for root mesh STA */
+@@ -876,7 +879,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
+ 		mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
+ 				       orig_sn, 0, NULL, 0, broadcast_addr,
+ 				       hopcount, ttl, interval,
+-				       metric + metric_txsta, 0, sdata);
++				       new_metric, 0, sdata);
+ 	}
+ 
+ 	rcu_read_unlock();
+diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
+index 3b8e2709d8de..9115cc52ce83 100644
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -908,7 +908,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local,
+ 	struct ieee80211_hdr_3addr *nullfunc;
+ 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ 
+-	skb = ieee80211_nullfunc_get(&local->hw, &sdata->vif);
++	skb = ieee80211_nullfunc_get(&local->hw, &sdata->vif, true);
+ 	if (!skb)
+ 		return;
+ 
+diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
+index 94826680cf2b..73429841f115 100644
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -4404,13 +4404,15 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw,
+ EXPORT_SYMBOL(ieee80211_pspoll_get);
+ 
+ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
+-				       struct ieee80211_vif *vif)
++				       struct ieee80211_vif *vif,
++				       bool qos_ok)
+ {
+ 	struct ieee80211_hdr_3addr *nullfunc;
+ 	struct ieee80211_sub_if_data *sdata;
+ 	struct ieee80211_if_managed *ifmgd;
+ 	struct ieee80211_local *local;
+ 	struct sk_buff *skb;
++	bool qos = false;
+ 
+ 	if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
+ 		return NULL;
+@@ -4419,7 +4421,17 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
+ 	ifmgd = &sdata->u.mgd;
+ 	local = sdata->local;
+ 
+-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*nullfunc));
++	if (qos_ok) {
++		struct sta_info *sta;
++
++		rcu_read_lock();
++		sta = sta_info_get(sdata, ifmgd->bssid);
++		qos = sta && sta->sta.wme;
++		rcu_read_unlock();
++	}
++
++	skb = dev_alloc_skb(local->hw.extra_tx_headroom +
++			    sizeof(*nullfunc) + 2);
+ 	if (!skb)
+ 		return NULL;
+ 
+@@ -4429,6 +4441,19 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
+ 	nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+ 					      IEEE80211_STYPE_NULLFUNC |
+ 					      IEEE80211_FCTL_TODS);
++	if (qos) {
++		__le16 qos = cpu_to_le16(7);
++
++		BUILD_BUG_ON((IEEE80211_STYPE_QOS_NULLFUNC |
++			      IEEE80211_STYPE_NULLFUNC) !=
++			     IEEE80211_STYPE_QOS_NULLFUNC);
++		nullfunc->frame_control |=
++			cpu_to_le16(IEEE80211_STYPE_QOS_NULLFUNC);
++		skb->priority = 7;
++		skb_set_queue_mapping(skb, IEEE80211_AC_VO);
++		skb_put_data(skb, &qos, sizeof(qos));
++	}
++
+ 	memcpy(nullfunc->addr1, ifmgd->bssid, ETH_ALEN);
+ 	memcpy(nullfunc->addr2, vif->addr, ETH_ALEN);
+ 	memcpy(nullfunc->addr3, ifmgd->bssid, ETH_ALEN);
+diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
+index e8eb427ce6d1..0d9f6afa266c 100644
+--- a/net/openvswitch/flow_netlink.c
++++ b/net/openvswitch/flow_netlink.c
+@@ -1903,14 +1903,11 @@ int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb)
+ 
+ #define MAX_ACTIONS_BUFSIZE	(32 * 1024)
+ 
+-static struct sw_flow_actions *nla_alloc_flow_actions(int size, bool log)
++static struct sw_flow_actions *nla_alloc_flow_actions(int size)
+ {
+ 	struct sw_flow_actions *sfa;
+ 
+-	if (size > MAX_ACTIONS_BUFSIZE) {
+-		OVS_NLERR(log, "Flow action size %u bytes exceeds max", size);
+-		return ERR_PTR(-EINVAL);
+-	}
++	WARN_ON_ONCE(size > MAX_ACTIONS_BUFSIZE);
+ 
+ 	sfa = kmalloc(sizeof(*sfa) + size, GFP_KERNEL);
+ 	if (!sfa)
+@@ -1983,12 +1980,15 @@ static struct nlattr *reserve_sfa_size(struct sw_flow_actions **sfa,
+ 	new_acts_size = ksize(*sfa) * 2;
+ 
+ 	if (new_acts_size > MAX_ACTIONS_BUFSIZE) {
+-		if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size)
++		if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size) {
++			OVS_NLERR(log, "Flow action size exceeds max %u",
++				  MAX_ACTIONS_BUFSIZE);
+ 			return ERR_PTR(-EMSGSIZE);
++		}
+ 		new_acts_size = MAX_ACTIONS_BUFSIZE;
+ 	}
+ 
+-	acts = nla_alloc_flow_actions(new_acts_size, log);
++	acts = nla_alloc_flow_actions(new_acts_size);
+ 	if (IS_ERR(acts))
+ 		return (void *)acts;
+ 
+@@ -2660,7 +2660,7 @@ int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
+ {
+ 	int err;
+ 
+-	*sfa = nla_alloc_flow_actions(nla_len(attr), log);
++	*sfa = nla_alloc_flow_actions(min(nla_len(attr), MAX_ACTIONS_BUFSIZE));
+ 	if (IS_ERR(*sfa))
+ 		return PTR_ERR(*sfa);
+ 
+diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
+index 4b0a8288c98a..7c1cb08874d5 100644
+--- a/net/rxrpc/af_rxrpc.c
++++ b/net/rxrpc/af_rxrpc.c
+@@ -823,6 +823,19 @@ static int rxrpc_release_sock(struct sock *sk)
+ 	sock_orphan(sk);
+ 	sk->sk_shutdown = SHUTDOWN_MASK;
+ 
++	/* We want to kill off all connections from a service socket
++	 * as fast as possible because we can't share these; client
++	 * sockets, on the other hand, can share an endpoint.
++	 */
++	switch (sk->sk_state) {
++	case RXRPC_SERVER_BOUND:
++	case RXRPC_SERVER_BOUND2:
++	case RXRPC_SERVER_LISTENING:
++	case RXRPC_SERVER_LISTEN_DISABLED:
++		rx->local->service_closed = true;
++		break;
++	}
++
+ 	spin_lock_bh(&sk->sk_receive_queue.lock);
+ 	sk->sk_state = RXRPC_CLOSE;
+ 	spin_unlock_bh(&sk->sk_receive_queue.lock);
+diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
+index ea5600b747cc..e6c2c4f56fb1 100644
+--- a/net/rxrpc/ar-internal.h
++++ b/net/rxrpc/ar-internal.h
+@@ -84,6 +84,7 @@ struct rxrpc_net {
+ 	unsigned int		nr_client_conns;
+ 	unsigned int		nr_active_client_conns;
+ 	bool			kill_all_client_conns;
++	bool			live;
+ 	spinlock_t		client_conn_cache_lock; /* Lock for ->*_client_conns */
+ 	spinlock_t		client_conn_discard_lock; /* Prevent multiple discarders */
+ 	struct list_head	waiting_client_conns;
+@@ -265,6 +266,7 @@ struct rxrpc_local {
+ 	rwlock_t		services_lock;	/* lock for services list */
+ 	int			debug_id;	/* debug ID for printks */
+ 	bool			dead;
++	bool			service_closed;	/* Service socket closed */
+ 	struct sockaddr_rxrpc	srx;		/* local address */
+ };
+ 
+@@ -671,7 +673,7 @@ extern unsigned int rxrpc_max_call_lifetime;
+ extern struct kmem_cache *rxrpc_call_jar;
+ 
+ struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *, unsigned long);
+-struct rxrpc_call *rxrpc_alloc_call(gfp_t);
++struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *, gfp_t);
+ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *,
+ 					 struct rxrpc_conn_parameters *,
+ 					 struct sockaddr_rxrpc *,
+@@ -824,6 +826,7 @@ void rxrpc_process_connection(struct work_struct *);
+  * conn_object.c
+  */
+ extern unsigned int rxrpc_connection_expiry;
++extern unsigned int rxrpc_closed_conn_expiry;
+ 
+ struct rxrpc_connection *rxrpc_alloc_connection(gfp_t);
+ struct rxrpc_connection *rxrpc_find_connection_rcu(struct rxrpc_local *,
+diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
+index cbd1701e813a..3028298ca561 100644
+--- a/net/rxrpc/call_accept.c
++++ b/net/rxrpc/call_accept.c
+@@ -94,7 +94,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
+ 	/* Now it gets complicated, because calls get registered with the
+ 	 * socket here, particularly if a user ID is preassigned by the user.
+ 	 */
+-	call = rxrpc_alloc_call(gfp);
++	call = rxrpc_alloc_call(rx, gfp);
+ 	if (!call)
+ 		return -ENOMEM;
+ 	call->flags |= (1 << RXRPC_CALL_IS_SERVICE);
+diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
+index fcdd6555a820..8a5a42e8ec23 100644
+--- a/net/rxrpc/call_object.c
++++ b/net/rxrpc/call_object.c
+@@ -55,6 +55,8 @@ static void rxrpc_call_timer_expired(unsigned long _call)
+ 		rxrpc_set_timer(call, rxrpc_timer_expired, ktime_get_real());
+ }
+ 
++static struct lock_class_key rxrpc_call_user_mutex_lock_class_key;
++
+ /*
+  * find an extant server call
+  * - called in process context with IRQs enabled
+@@ -95,7 +97,7 @@ struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *rx,
+ /*
+  * allocate a new call
+  */
+-struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp)
++struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp)
+ {
+ 	struct rxrpc_call *call;
+ 
+@@ -114,6 +116,14 @@ struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp)
+ 		goto nomem_2;
+ 
+ 	mutex_init(&call->user_mutex);
++
++	/* Prevent lockdep reporting a deadlock false positive between the afs
++	 * filesystem and sys_sendmsg() via the mmap sem.
++	 */
++	if (rx->sk.sk_kern_sock)
++		lockdep_set_class(&call->user_mutex,
++				  &rxrpc_call_user_mutex_lock_class_key);
++
+ 	setup_timer(&call->timer, rxrpc_call_timer_expired,
+ 		    (unsigned long)call);
+ 	INIT_WORK(&call->processor, &rxrpc_process_call);
+@@ -150,7 +160,8 @@ struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp)
+ /*
+  * Allocate a new client call.
+  */
+-static struct rxrpc_call *rxrpc_alloc_client_call(struct sockaddr_rxrpc *srx,
++static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx,
++						  struct sockaddr_rxrpc *srx,
+ 						  gfp_t gfp)
+ {
+ 	struct rxrpc_call *call;
+@@ -158,7 +169,7 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct sockaddr_rxrpc *srx,
+ 
+ 	_enter("");
+ 
+-	call = rxrpc_alloc_call(gfp);
++	call = rxrpc_alloc_call(rx, gfp);
+ 	if (!call)
+ 		return ERR_PTR(-ENOMEM);
+ 	call->state = RXRPC_CALL_CLIENT_AWAIT_CONN;
+@@ -209,7 +220,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
+ 
+ 	_enter("%p,%lx", rx, user_call_ID);
+ 
+-	call = rxrpc_alloc_client_call(srx, gfp);
++	call = rxrpc_alloc_client_call(rx, srx, gfp);
+ 	if (IS_ERR(call)) {
+ 		release_sock(&rx->sk);
+ 		_leave(" = %ld", PTR_ERR(call));
+diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
+index 5f9624bd311c..78a154173d90 100644
+--- a/net/rxrpc/conn_client.c
++++ b/net/rxrpc/conn_client.c
+@@ -1061,6 +1061,8 @@ void rxrpc_discard_expired_client_conns(struct work_struct *work)
+ 		expiry = rxrpc_conn_idle_client_expiry;
+ 		if (nr_conns > rxrpc_reap_client_connections)
+ 			expiry = rxrpc_conn_idle_client_fast_expiry;
++		if (conn->params.local->service_closed)
++			expiry = rxrpc_closed_conn_expiry * HZ;
+ 
+ 		conn_expires_at = conn->idle_timestamp + expiry;
+ 
+diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
+index fe575798592f..a48c817b792b 100644
+--- a/net/rxrpc/conn_object.c
++++ b/net/rxrpc/conn_object.c
+@@ -20,7 +20,8 @@
+ /*
+  * Time till a connection expires after last use (in seconds).
+  */
+-unsigned int rxrpc_connection_expiry = 10 * 60;
++unsigned int __read_mostly rxrpc_connection_expiry = 10 * 60;
++unsigned int __read_mostly rxrpc_closed_conn_expiry = 10;
+ 
+ static void rxrpc_destroy_connection(struct rcu_head *);
+ 
+@@ -312,7 +313,7 @@ void rxrpc_put_service_conn(struct rxrpc_connection *conn)
+ 	n = atomic_dec_return(&conn->usage);
+ 	trace_rxrpc_conn(conn, rxrpc_conn_put_service, n, here);
+ 	ASSERTCMP(n, >=, 0);
+-	if (n == 0) {
++	if (n == 1) {
+ 		rxnet = conn->params.local->rxnet;
+ 		rxrpc_queue_delayed_work(&rxnet->service_conn_reaper, 0);
+ 	}
+@@ -353,15 +354,14 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
+ 	struct rxrpc_net *rxnet =
+ 		container_of(to_delayed_work(work),
+ 			     struct rxrpc_net, service_conn_reaper);
+-	unsigned long reap_older_than, earliest, idle_timestamp, now;
++	unsigned long expire_at, earliest, idle_timestamp, now;
+ 
+ 	LIST_HEAD(graveyard);
+ 
+ 	_enter("");
+ 
+ 	now = jiffies;
+-	reap_older_than = now - rxrpc_connection_expiry * HZ;
+-	earliest = ULONG_MAX;
++	earliest = now + MAX_JIFFY_OFFSET;
+ 
+ 	write_lock(&rxnet->conn_lock);
+ 	list_for_each_entry_safe(conn, _p, &rxnet->service_conns, link) {
+@@ -371,15 +371,21 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
+ 		if (conn->state == RXRPC_CONN_SERVICE_PREALLOC)
+ 			continue;
+ 
+-		idle_timestamp = READ_ONCE(conn->idle_timestamp);
+-		_debug("reap CONN %d { u=%d,t=%ld }",
+-		       conn->debug_id, atomic_read(&conn->usage),
+-		       (long)reap_older_than - (long)idle_timestamp);
+-
+-		if (time_after(idle_timestamp, reap_older_than)) {
+-			if (time_before(idle_timestamp, earliest))
+-				earliest = idle_timestamp;
+-			continue;
++		if (rxnet->live) {
++			idle_timestamp = READ_ONCE(conn->idle_timestamp);
++			expire_at = idle_timestamp + rxrpc_connection_expiry * HZ;
++			if (conn->params.local->service_closed)
++				expire_at = idle_timestamp + rxrpc_closed_conn_expiry * HZ;
++
++			_debug("reap CONN %d { u=%d,t=%ld }",
++			       conn->debug_id, atomic_read(&conn->usage),
++			       (long)expire_at - (long)now);
++
++			if (time_before(now, expire_at)) {
++				if (time_before(expire_at, earliest))
++					earliest = expire_at;
++				continue;
++			}
+ 		}
+ 
+ 		/* The usage count sits at 1 whilst the object is unused on the
+@@ -387,6 +393,7 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
+ 		 */
+ 		if (atomic_cmpxchg(&conn->usage, 1, 0) != 1)
+ 			continue;
++		trace_rxrpc_conn(conn, rxrpc_conn_reap_service, 0, 0);
+ 
+ 		if (rxrpc_conn_is_client(conn))
+ 			BUG();
+@@ -397,10 +404,10 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
+ 	}
+ 	write_unlock(&rxnet->conn_lock);
+ 
+-	if (earliest != ULONG_MAX) {
+-		_debug("reschedule reaper %ld", (long) earliest - now);
++	if (earliest != now + MAX_JIFFY_OFFSET) {
++		_debug("reschedule reaper %ld", (long)earliest - (long)now);
+ 		ASSERT(time_after(earliest, now));
+-		rxrpc_queue_delayed_work(&rxnet->client_conn_reaper,
++		rxrpc_queue_delayed_work(&rxnet->service_conn_reaper,
+ 					 earliest - now);
+ 	}
+ 
+@@ -429,7 +436,6 @@ void rxrpc_destroy_all_connections(struct rxrpc_net *rxnet)
+ 
+ 	rxrpc_destroy_all_client_connections(rxnet);
+ 
+-	rxrpc_connection_expiry = 0;
+ 	cancel_delayed_work(&rxnet->client_conn_reaper);
+ 	rxrpc_queue_delayed_work(&rxnet->client_conn_reaper, 0);
+ 	flush_workqueue(rxrpc_workqueue);
+diff --git a/net/rxrpc/net_ns.c b/net/rxrpc/net_ns.c
+index 7edceb8522f5..684c51d600c7 100644
+--- a/net/rxrpc/net_ns.c
++++ b/net/rxrpc/net_ns.c
+@@ -22,6 +22,7 @@ static __net_init int rxrpc_init_net(struct net *net)
+ 	struct rxrpc_net *rxnet = rxrpc_net(net);
+ 	int ret;
+ 
++	rxnet->live = true;
+ 	get_random_bytes(&rxnet->epoch, sizeof(rxnet->epoch));
+ 	rxnet->epoch |= RXRPC_RANDOM_EPOCH;
+ 
+@@ -60,6 +61,7 @@ static __net_init int rxrpc_init_net(struct net *net)
+ 	return 0;
+ 
+ err_proc:
++	rxnet->live = false;
+ 	return ret;
+ }
+ 
+@@ -70,6 +72,7 @@ static __net_exit void rxrpc_exit_net(struct net *net)
+ {
+ 	struct rxrpc_net *rxnet = rxrpc_net(net);
+ 
++	rxnet->live = false;
+ 	rxrpc_destroy_all_calls(rxnet);
+ 	rxrpc_destroy_all_connections(rxnet);
+ 	rxrpc_destroy_all_locals(rxnet);
+diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
+index 9ea6f972767e..d2f51d6a253c 100644
+--- a/net/rxrpc/sendmsg.c
++++ b/net/rxrpc/sendmsg.c
+@@ -563,8 +563,8 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
+ 		/* The socket is now unlocked. */
+ 		if (IS_ERR(call))
+ 			return PTR_ERR(call);
+-		rxrpc_put_call(call, rxrpc_call_put);
+-		return 0;
++		ret = 0;
++		goto out_put_unlock;
+ 	}
+ 
+ 	call = rxrpc_find_call_by_user_ID(rx, p.user_call_ID);
+@@ -633,6 +633,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
+ 		ret = rxrpc_send_data(rx, call, msg, len, NULL);
+ 	}
+ 
++out_put_unlock:
+ 	mutex_unlock(&call->user_mutex);
+ error_put:
+ 	rxrpc_put_call(call, rxrpc_call_put);
+diff --git a/net/sctp/stream.c b/net/sctp/stream.c
+index 724adf2786a2..9ea6057ed28b 100644
+--- a/net/sctp/stream.c
++++ b/net/sctp/stream.c
+@@ -224,6 +224,9 @@ int sctp_send_reset_assoc(struct sctp_association *asoc)
+ 	if (asoc->strreset_outstanding)
+ 		return -EINPROGRESS;
+ 
++	if (!sctp_outq_is_empty(&asoc->outqueue))
++		return -EAGAIN;
++
+ 	chunk = sctp_make_strreset_tsnreq(asoc);
+ 	if (!chunk)
+ 		return -ENOMEM;
+@@ -538,12 +541,18 @@ struct sctp_chunk *sctp_process_strreset_tsnreq(
+ 		i = asoc->strreset_inseq - request_seq - 1;
+ 		result = asoc->strreset_result[i];
+ 		if (result == SCTP_STRRESET_PERFORMED) {
+-			next_tsn = asoc->next_tsn;
++			next_tsn = asoc->ctsn_ack_point + 1;
+ 			init_tsn =
+ 				sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map) + 1;
+ 		}
+ 		goto err;
+ 	}
++
++	if (!sctp_outq_is_empty(&asoc->outqueue)) {
++		result = SCTP_STRRESET_IN_PROGRESS;
++		goto err;
++	}
++
+ 	asoc->strreset_inseq++;
+ 
+ 	if (!(asoc->strreset_enable & SCTP_ENABLE_RESET_ASSOC_REQ))
+@@ -554,9 +563,10 @@ struct sctp_chunk *sctp_process_strreset_tsnreq(
+ 		goto out;
+ 	}
+ 
+-	/* G3: The same processing as though a SACK chunk with no gap report
+-	 *     and a cumulative TSN ACK of the Sender's Next TSN minus 1 were
+-	 *     received MUST be performed.
++	/* G4: The same processing as though a FWD-TSN chunk (as defined in
++	 *     [RFC3758]) with all streams affected and a new cumulative TSN
++	 *     ACK of the Receiver's Next TSN minus 1 were received MUST be
++	 *     performed.
+ 	 */
+ 	max_tsn_seen = sctp_tsnmap_get_max_tsn_seen(&asoc->peer.tsn_map);
+ 	sctp_ulpq_reasm_flushtsn(&asoc->ulpq, max_tsn_seen);
+@@ -571,10 +581,9 @@ struct sctp_chunk *sctp_process_strreset_tsnreq(
+ 	sctp_tsnmap_init(&asoc->peer.tsn_map, SCTP_TSN_MAP_INITIAL,
+ 			 init_tsn, GFP_ATOMIC);
+ 
+-	/* G4: The same processing as though a FWD-TSN chunk (as defined in
+-	 *     [RFC3758]) with all streams affected and a new cumulative TSN
+-	 *     ACK of the Receiver's Next TSN minus 1 were received MUST be
+-	 *     performed.
++	/* G3: The same processing as though a SACK chunk with no gap report
++	 *     and a cumulative TSN ACK of the Sender's Next TSN minus 1 were
++	 *     received MUST be performed.
+ 	 */
+ 	sctp_outq_free(&asoc->outqueue);
+ 
+@@ -835,6 +844,7 @@ struct sctp_chunk *sctp_process_strreset_resp(
+ 		if (result == SCTP_STRRESET_PERFORMED) {
+ 			__u32 mtsn = sctp_tsnmap_get_max_tsn_seen(
+ 						&asoc->peer.tsn_map);
++			LIST_HEAD(temp);
+ 
+ 			sctp_ulpq_reasm_flushtsn(&asoc->ulpq, mtsn);
+ 			sctp_ulpq_abort_pd(&asoc->ulpq, GFP_ATOMIC);
+@@ -843,7 +853,13 @@ struct sctp_chunk *sctp_process_strreset_resp(
+ 					 SCTP_TSN_MAP_INITIAL,
+ 					 stsn, GFP_ATOMIC);
+ 
++			/* Clean up sacked and abandoned queues only. As the
++			 * out_chunk_list may not be empty, splice it to temp,
++			 * then get it back after sctp_outq_free is done.
++			 */
++			list_splice_init(&asoc->outqueue.out_chunk_list, &temp);
+ 			sctp_outq_free(&asoc->outqueue);
++			list_splice_init(&temp, &asoc->outqueue.out_chunk_list);
+ 
+ 			asoc->next_tsn = rtsn;
+ 			asoc->ctsn_ack_point = asoc->next_tsn - 1;
+diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
+index 4dad5da388d6..8cb40f8ffa5b 100644
+--- a/net/sunrpc/xprtsock.c
++++ b/net/sunrpc/xprtsock.c
+@@ -2437,6 +2437,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
+ 	case -ECONNREFUSED:
+ 	case -ECONNRESET:
+ 	case -ENETUNREACH:
++	case -EHOSTUNREACH:
+ 	case -EADDRINUSE:
+ 	case -ENOBUFS:
+ 		/*
+diff --git a/scripts/faddr2line b/scripts/faddr2line
+index 1f5ce959f596..39e07d8574dd 100755
+--- a/scripts/faddr2line
++++ b/scripts/faddr2line
+@@ -44,9 +44,16 @@
+ set -o errexit
+ set -o nounset
+ 
++READELF="${CROSS_COMPILE}readelf"
++ADDR2LINE="${CROSS_COMPILE}addr2line"
++SIZE="${CROSS_COMPILE}size"
++NM="${CROSS_COMPILE}nm"
++
+ command -v awk >/dev/null 2>&1 || die "awk isn't installed"
+-command -v readelf >/dev/null 2>&1 || die "readelf isn't installed"
+-command -v addr2line >/dev/null 2>&1 || die "addr2line isn't installed"
++command -v ${READELF} >/dev/null 2>&1 || die "readelf isn't installed"
++command -v ${ADDR2LINE} >/dev/null 2>&1 || die "addr2line isn't installed"
++command -v ${SIZE} >/dev/null 2>&1 || die "size isn't installed"
++command -v ${NM} >/dev/null 2>&1 || die "nm isn't installed"
+ 
+ usage() {
+ 	echo "usage: faddr2line <object file> <func+offset> <func+offset>..." >&2
+@@ -69,10 +76,10 @@ die() {
+ find_dir_prefix() {
+ 	local objfile=$1
+ 
+-	local start_kernel_addr=$(readelf -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}')
++	local start_kernel_addr=$(${READELF} -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}')
+ 	[[ -z $start_kernel_addr ]] && return
+ 
+-	local file_line=$(addr2line -e $objfile $start_kernel_addr)
++	local file_line=$(${ADDR2LINE} -e $objfile $start_kernel_addr)
+ 	[[ -z $file_line ]] && return
+ 
+ 	local prefix=${file_line%init/main.c:*}
+@@ -104,7 +111,7 @@ __faddr2line() {
+ 
+ 	# Go through each of the object's symbols which match the func name.
+ 	# In rare cases there might be duplicates.
+-	file_end=$(size -Ax $objfile | awk '$1 == ".text" {print $2}')
++	file_end=$(${SIZE} -Ax $objfile | awk '$1 == ".text" {print $2}')
+ 	while read symbol; do
+ 		local fields=($symbol)
+ 		local sym_base=0x${fields[0]}
+@@ -156,10 +163,10 @@ __faddr2line() {
+ 
+ 		# pass real address to addr2line
+ 		echo "$func+$offset/$sym_size:"
+-		addr2line -fpie $objfile $addr | sed "s; $dir_prefix\(\./\)*; ;"
++		${ADDR2LINE} -fpie $objfile $addr | sed "s; $dir_prefix\(\./\)*; ;"
+ 		DONE=1
+ 
+-	done < <(nm -n $objfile | awk -v fn=$func -v end=$file_end '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, "0x"$1 } END {if (found == 1) print line, end; }')
++	done < <(${NM} -n $objfile | awk -v fn=$func -v end=$file_end '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, "0x"$1 } END {if (found == 1) print line, end; }')
+ }
+ 
+ [[ $# -lt 2 ]] && usage
+diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
+index 95209a5f8595..8daf16e1d421 100644
+--- a/security/integrity/ima/ima_policy.c
++++ b/security/integrity/ima/ima_policy.c
+@@ -743,7 +743,7 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry)
+ 		case Opt_fsuuid:
+ 			ima_log_string(ab, "fsuuid", args[0].from);
+ 
+-			if (uuid_is_null(&entry->fsuuid)) {
++			if (!uuid_is_null(&entry->fsuuid)) {
+ 				result = -EINVAL;
+ 				break;
+ 			}
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 145e92d6ca94..b2d039537d5e 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -3131,11 +3131,13 @@ static void alc256_shutup(struct hda_codec *codec)
+ 	if (hp_pin_sense)
+ 		msleep(85);
+ 
++	/* 3k pull low control for Headset jack. */
++	/* NOTE: call this before clearing the pin, otherwise codec stalls */
++	alc_update_coef_idx(codec, 0x46, 0, 3 << 12);
++
+ 	snd_hda_codec_write(codec, hp_pin, 0,
+ 			    AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0);
+ 
+-	alc_update_coef_idx(codec, 0x46, 0, 3 << 12); /* 3k pull low control for Headset jack. */
+-
+ 	if (hp_pin_sense)
+ 		msleep(100);
+ 
+diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c
+index 1c14c2595158..4b36323ea64b 100644
+--- a/tools/gpio/gpio-event-mon.c
++++ b/tools/gpio/gpio-event-mon.c
+@@ -23,6 +23,7 @@
+ #include <getopt.h>
+ #include <inttypes.h>
+ #include <sys/ioctl.h>
++#include <sys/types.h>
+ #include <linux/gpio.h>
+ 
+ int monitor_device(const char *device_name,
+diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c
+index c25a74ae51ba..2bb3eef7d5c1 100644
+--- a/tools/power/cpupower/bench/system.c
++++ b/tools/power/cpupower/bench/system.c
+@@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor, unsigned int cpu)
+ 
+ 	dprintf("set %s as cpufreq governor\n", governor);
+ 
+-	if (cpupower_is_cpu_online(cpu) != 0) {
++	if (cpupower_is_cpu_online(cpu) != 1) {
+ 		perror("cpufreq_cpu_exists");
+ 		fprintf(stderr, "error: cpu %u does not exist\n", cpu);
+ 		return -1;
+diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+index 1b5da0066ebf..5b3205f16217 100644
+--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
++++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+@@ -130,15 +130,18 @@ static struct cpuidle_monitor *cpuidle_register(void)
+ {
+ 	int num;
+ 	char *tmp;
++	int this_cpu;
++
++	this_cpu = sched_getcpu();
+ 
+ 	/* Assume idle state count is the same for all CPUs */
+-	cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(0);
++	cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(this_cpu);
+ 
+ 	if (cpuidle_sysfs_monitor.hw_states_num <= 0)
+ 		return NULL;
+ 
+ 	for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {
+-		tmp = cpuidle_state_name(0, num);
++		tmp = cpuidle_state_name(this_cpu, num);
+ 		if (tmp == NULL)
+ 			continue;
+ 
+@@ -146,7 +149,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
+ 		strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1);
+ 		free(tmp);
+ 
+-		tmp = cpuidle_state_desc(0, num);
++		tmp = cpuidle_state_desc(this_cpu, num);
+ 		if (tmp == NULL)
+ 			continue;
+ 		strncpy(cpuidle_cstates[num].desc, tmp,	CSTATE_DESC_LEN - 1);
+diff --git a/tools/usb/usbip/src/usbip_bind.c b/tools/usb/usbip/src/usbip_bind.c
+index fa46141ae68b..e121cfb1746a 100644
+--- a/tools/usb/usbip/src/usbip_bind.c
++++ b/tools/usb/usbip/src/usbip_bind.c
+@@ -144,6 +144,7 @@ static int bind_device(char *busid)
+ 	int rc;
+ 	struct udev *udev;
+ 	struct udev_device *dev;
++	const char *devpath;
+ 
+ 	/* Check whether the device with this bus ID exists. */
+ 	udev = udev_new();
+@@ -152,8 +153,16 @@ static int bind_device(char *busid)
+ 		err("device with the specified bus ID does not exist");
+ 		return -1;
+ 	}
++	devpath = udev_device_get_devpath(dev);
+ 	udev_unref(udev);
+ 
++	/* If the device is already attached to vhci_hcd - bail out */
++	if (strstr(devpath, USBIP_VHCI_DRV_NAME)) {
++		err("bind loop detected: device: %s is attached to %s\n",
++		    devpath, USBIP_VHCI_DRV_NAME);
++		return -1;
++	}
++
+ 	rc = unbind_other(busid);
+ 	if (rc == UNBIND_ST_FAILED) {
+ 		err("could not unbind driver from device on busid %s", busid);
+diff --git a/tools/usb/usbip/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c
+index f1b38e866dd7..d65a9f444174 100644
+--- a/tools/usb/usbip/src/usbip_list.c
++++ b/tools/usb/usbip/src/usbip_list.c
+@@ -187,6 +187,7 @@ static int list_devices(bool parsable)
+ 	const char *busid;
+ 	char product_name[128];
+ 	int ret = -1;
++	const char *devpath;
+ 
+ 	/* Create libudev context. */
+ 	udev = udev_new();
+@@ -209,6 +210,14 @@ static int list_devices(bool parsable)
+ 		path = udev_list_entry_get_name(dev_list_entry);
+ 		dev = udev_device_new_from_syspath(udev, path);
+ 
++		/* Ignore devices attached to vhci_hcd */
++		devpath = udev_device_get_devpath(dev);
++		if (strstr(devpath, USBIP_VHCI_DRV_NAME)) {
++			dbg("Skip the device %s already attached to %s\n",
++			    devpath, USBIP_VHCI_DRV_NAME);
++			continue;
++		}
++
+ 		/* Get device information. */
+ 		idVendor = udev_device_get_sysattr_value(dev, "idVendor");
+ 		idProduct = udev_device_get_sysattr_value(dev, "idProduct");
+diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
+index 95cba0799828..9a07ee94a230 100644
+--- a/virt/kvm/arm/arm.c
++++ b/virt/kvm/arm/arm.c
+@@ -612,7 +612,6 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu)
+ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+ {
+ 	int ret;
+-	sigset_t sigsaved;
+ 
+ 	if (unlikely(!kvm_vcpu_initialized(vcpu)))
+ 		return -ENOEXEC;
+@@ -630,8 +629,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+ 	if (run->immediate_exit)
+ 		return -EINTR;
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
++	kvm_sigset_activate(vcpu);
+ 
+ 	ret = 1;
+ 	run->exit_reason = KVM_EXIT_UNKNOWN;
+@@ -753,8 +751,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+ 		kvm_pmu_update_run(vcpu);
+ 	}
+ 
+-	if (vcpu->sigset_active)
+-		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
++	kvm_sigset_deactivate(vcpu);
++
+ 	return ret;
+ }
+ 
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
+index 2447d7c017e7..8401774f5aeb 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -2073,6 +2073,29 @@ void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn)
+ }
+ EXPORT_SYMBOL_GPL(kvm_vcpu_mark_page_dirty);
+ 
++void kvm_sigset_activate(struct kvm_vcpu *vcpu)
++{
++	if (!vcpu->sigset_active)
++		return;
++
++	/*
++	 * This does a lockless modification of ->real_blocked, which is fine
++	 * because, only current can change ->real_blocked and all readers of
++	 * ->real_blocked don't care as long ->real_blocked is always a subset
++	 * of ->blocked.
++	 */
++	sigprocmask(SIG_SETMASK, &vcpu->sigset, &current->real_blocked);
++}
++
++void kvm_sigset_deactivate(struct kvm_vcpu *vcpu)
++{
++	if (!vcpu->sigset_active)
++		return;
++
++	sigprocmask(SIG_SETMASK, &current->real_blocked, NULL);
++	sigemptyset(&current->real_blocked);
++}
++
+ static void grow_halt_poll_ns(struct kvm_vcpu *vcpu)
+ {
+ 	unsigned int old, val, grow;