commit:     29a5a3247fd5e7a469a377914052a120ef0e4d05
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sun Oct 16 19:21:08 2016 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sun Oct 16 19:21:08 2016 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=29a5a324

Linux patch 4.8.2

 0000_README            |    4 +
 1001_linux-4.8.2.patch | 1841 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1845 insertions(+)

diff --git a/0000_README b/0000_README
index 4af14fd..07a39ba 100644
--- a/0000_README
+++ b/0000_README
@@ -47,6 +47,10 @@ Patch:  1000_linux-4.8.1.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.8.1
 
+Patch:  1001_linux-4.8.2.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.8.2
+
 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/1001_linux-4.8.2.patch b/1001_linux-4.8.2.patch
new file mode 100644
index 0000000..353b6a8
--- /dev/null
+++ b/1001_linux-4.8.2.patch
@@ -0,0 +1,1841 @@
+diff --git a/Documentation/virtual/kvm/devices/vcpu.txt 
b/Documentation/virtual/kvm/devices/vcpu.txt
+index c04165868faf..02f50686c418 100644
+--- a/Documentation/virtual/kvm/devices/vcpu.txt
++++ b/Documentation/virtual/kvm/devices/vcpu.txt
+@@ -30,4 +30,6 @@ Returns: -ENODEV: PMUv3 not supported
+                  attribute
+          -EBUSY: PMUv3 already initialized
+ 
+-Request the initialization of the PMUv3.
++Request the initialization of the PMUv3.  This must be done after creating the
++in-kernel irqchip.  Creating a PMU with a userspace irqchip is currently not
++supported.
+diff --git a/Makefile b/Makefile
+index 75db9f3988f3..bf6e44a421df 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 8
+-SUBLEVEL = 1
++SUBLEVEL = 2
+ EXTRAVERSION =
+ NAME = Psychotic Stoned Sheep
+ 
+diff --git a/arch/arm/boot/dts/armada-390.dtsi 
b/arch/arm/boot/dts/armada-390.dtsi
+index 094e39c66039..6cd18d8aaac7 100644
+--- a/arch/arm/boot/dts/armada-390.dtsi
++++ b/arch/arm/boot/dts/armada-390.dtsi
+@@ -47,6 +47,8 @@
+ #include "armada-39x.dtsi"
+ 
+ / {
++      compatible = "marvell,armada390";
++
+       soc {
+               internal-regs {
+                       pinctrl@18000 {
+@@ -54,4 +56,5 @@
+                               reg = <0x18000 0x20>;
+                       };
+               };
++      };
+ };
+diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi 
b/arch/arm/boot/dts/qcom-apq8064.dtsi
+index 74a9b6c394f5..9dc83b09d987 100644
+--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
++++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
+@@ -5,6 +5,7 @@
+ #include <dt-bindings/reset/qcom,gcc-msm8960.h>
+ #include <dt-bindings/clock/qcom,mmcc-msm8960.h>
+ #include <dt-bindings/soc/qcom,gsbi.h>
++#include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ / {
+       model = "Qualcomm APQ8064";
+@@ -559,22 +560,50 @@
+                                       compatible = "qcom,pm8921-gpio",
+                                                    "qcom,ssbi-gpio";
+                                       reg = <0x150>;
+-                                      interrupts = <192 1>, <193 1>, <194 1>,
+-                                                   <195 1>, <196 1>, <197 1>,
+-                                                   <198 1>, <199 1>, <200 1>,
+-                                                   <201 1>, <202 1>, <203 1>,
+-                                                   <204 1>, <205 1>, <206 1>,
+-                                                   <207 1>, <208 1>, <209 1>,
+-                                                   <210 1>, <211 1>, <212 1>,
+-                                                   <213 1>, <214 1>, <215 1>,
+-                                                   <216 1>, <217 1>, <218 1>,
+-                                                   <219 1>, <220 1>, <221 1>,
+-                                                   <222 1>, <223 1>, <224 1>,
+-                                                   <225 1>, <226 1>, <227 1>,
+-                                                   <228 1>, <229 1>, <230 1>,
+-                                                   <231 1>, <232 1>, <233 1>,
+-                                                   <234 1>, <235 1>;
+-
++                                      interrupts = <192 IRQ_TYPE_NONE>,
++                                                   <193 IRQ_TYPE_NONE>,
++                                                   <194 IRQ_TYPE_NONE>,
++                                                   <195 IRQ_TYPE_NONE>,
++                                                   <196 IRQ_TYPE_NONE>,
++                                                   <197 IRQ_TYPE_NONE>,
++                                                   <198 IRQ_TYPE_NONE>,
++                                                   <199 IRQ_TYPE_NONE>,
++                                                   <200 IRQ_TYPE_NONE>,
++                                                   <201 IRQ_TYPE_NONE>,
++                                                   <202 IRQ_TYPE_NONE>,
++                                                   <203 IRQ_TYPE_NONE>,
++                                                   <204 IRQ_TYPE_NONE>,
++                                                   <205 IRQ_TYPE_NONE>,
++                                                   <206 IRQ_TYPE_NONE>,
++                                                   <207 IRQ_TYPE_NONE>,
++                                                   <208 IRQ_TYPE_NONE>,
++                                                   <209 IRQ_TYPE_NONE>,
++                                                   <210 IRQ_TYPE_NONE>,
++                                                   <211 IRQ_TYPE_NONE>,
++                                                   <212 IRQ_TYPE_NONE>,
++                                                   <213 IRQ_TYPE_NONE>,
++                                                   <214 IRQ_TYPE_NONE>,
++                                                   <215 IRQ_TYPE_NONE>,
++                                                   <216 IRQ_TYPE_NONE>,
++                                                   <217 IRQ_TYPE_NONE>,
++                                                   <218 IRQ_TYPE_NONE>,
++                                                   <219 IRQ_TYPE_NONE>,
++                                                   <220 IRQ_TYPE_NONE>,
++                                                   <221 IRQ_TYPE_NONE>,
++                                                   <222 IRQ_TYPE_NONE>,
++                                                   <223 IRQ_TYPE_NONE>,
++                                                   <224 IRQ_TYPE_NONE>,
++                                                   <225 IRQ_TYPE_NONE>,
++                                                   <226 IRQ_TYPE_NONE>,
++                                                   <227 IRQ_TYPE_NONE>,
++                                                   <228 IRQ_TYPE_NONE>,
++                                                   <229 IRQ_TYPE_NONE>,
++                                                   <230 IRQ_TYPE_NONE>,
++                                                   <231 IRQ_TYPE_NONE>,
++                                                   <232 IRQ_TYPE_NONE>,
++                                                   <233 IRQ_TYPE_NONE>,
++                                                   <234 IRQ_TYPE_NONE>,
++                                                   <235 IRQ_TYPE_NONE>;
+                                       gpio-controller;
+                                       #gpio-cells = <2>;
+ 
+@@ -587,9 +616,18 @@
+                                       gpio-controller;
+                                       #gpio-cells = <2>;
+                                       interrupts =
+-                                      <128 1>, <129 1>, <130 1>, <131 1>,
+-                                      <132 1>, <133 1>, <134 1>, <135 1>,
+-                                      <136 1>, <137 1>, <138 1>, <139 1>;
++                                      <128 IRQ_TYPE_NONE>,
++                                      <129 IRQ_TYPE_NONE>,
++                                      <130 IRQ_TYPE_NONE>,
++                                      <131 IRQ_TYPE_NONE>,
++                                      <132 IRQ_TYPE_NONE>,
++                                      <133 IRQ_TYPE_NONE>,
++                                      <134 IRQ_TYPE_NONE>,
++                                      <135 IRQ_TYPE_NONE>,
++                                      <136 IRQ_TYPE_NONE>,
++                                      <137 IRQ_TYPE_NONE>,
++                                      <138 IRQ_TYPE_NONE>,
++                                      <139 IRQ_TYPE_NONE>;
+                               };
+ 
+                               rtc@11d {
+diff --git a/arch/arm/boot/dts/qcom-msm8660.dtsi 
b/arch/arm/boot/dts/qcom-msm8660.dtsi
+index acbe71febe13..8c65e0d82559 100644
+--- a/arch/arm/boot/dts/qcom-msm8660.dtsi
++++ b/arch/arm/boot/dts/qcom-msm8660.dtsi
+@@ -2,6 +2,7 @@
+ 
+ /include/ "skeleton.dtsi"
+ 
++#include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/qcom,gcc-msm8660.h>
+ #include <dt-bindings/soc/qcom,gsbi.h>
+@@ -159,21 +160,50 @@
+                                                    "qcom,ssbi-gpio";
+                                       reg = <0x150>;
+                                       interrupt-parent = <&pmicintc>;
+-                                      interrupts = <192 1>, <193 1>, <194 1>,
+-                                                   <195 1>, <196 1>, <197 1>,
+-                                                   <198 1>, <199 1>, <200 1>,
+-                                                   <201 1>, <202 1>, <203 1>,
+-                                                   <204 1>, <205 1>, <206 1>,
+-                                                   <207 1>, <208 1>, <209 1>,
+-                                                   <210 1>, <211 1>, <212 1>,
+-                                                   <213 1>, <214 1>, <215 1>,
+-                                                   <216 1>, <217 1>, <218 1>,
+-                                                   <219 1>, <220 1>, <221 1>,
+-                                                   <222 1>, <223 1>, <224 1>,
+-                                                   <225 1>, <226 1>, <227 1>,
+-                                                   <228 1>, <229 1>, <230 1>,
+-                                                   <231 1>, <232 1>, <233 1>,
+-                                                   <234 1>, <235 1>;
++                                      interrupts = <192 IRQ_TYPE_NONE>,
++                                                   <193 IRQ_TYPE_NONE>,
++                                                   <194 IRQ_TYPE_NONE>,
++                                                   <195 IRQ_TYPE_NONE>,
++                                                   <196 IRQ_TYPE_NONE>,
++                                                   <197 IRQ_TYPE_NONE>,
++                                                   <198 IRQ_TYPE_NONE>,
++                                                   <199 IRQ_TYPE_NONE>,
++                                                   <200 IRQ_TYPE_NONE>,
++                                                   <201 IRQ_TYPE_NONE>,
++                                                   <202 IRQ_TYPE_NONE>,
++                                                   <203 IRQ_TYPE_NONE>,
++                                                   <204 IRQ_TYPE_NONE>,
++                                                   <205 IRQ_TYPE_NONE>,
++                                                   <206 IRQ_TYPE_NONE>,
++                                                   <207 IRQ_TYPE_NONE>,
++                                                   <208 IRQ_TYPE_NONE>,
++                                                   <209 IRQ_TYPE_NONE>,
++                                                   <210 IRQ_TYPE_NONE>,
++                                                   <211 IRQ_TYPE_NONE>,
++                                                   <212 IRQ_TYPE_NONE>,
++                                                   <213 IRQ_TYPE_NONE>,
++                                                   <214 IRQ_TYPE_NONE>,
++                                                   <215 IRQ_TYPE_NONE>,
++                                                   <216 IRQ_TYPE_NONE>,
++                                                   <217 IRQ_TYPE_NONE>,
++                                                   <218 IRQ_TYPE_NONE>,
++                                                   <219 IRQ_TYPE_NONE>,
++                                                   <220 IRQ_TYPE_NONE>,
++                                                   <221 IRQ_TYPE_NONE>,
++                                                   <222 IRQ_TYPE_NONE>,
++                                                   <223 IRQ_TYPE_NONE>,
++                                                   <224 IRQ_TYPE_NONE>,
++                                                   <225 IRQ_TYPE_NONE>,
++                                                   <226 IRQ_TYPE_NONE>,
++                                                   <227 IRQ_TYPE_NONE>,
++                                                   <228 IRQ_TYPE_NONE>,
++                                                   <229 IRQ_TYPE_NONE>,
++                                                   <230 IRQ_TYPE_NONE>,
++                                                   <231 IRQ_TYPE_NONE>,
++                                                   <232 IRQ_TYPE_NONE>,
++                                                   <233 IRQ_TYPE_NONE>,
++                                                   <234 IRQ_TYPE_NONE>,
++                                                   <235 IRQ_TYPE_NONE>;
+                                       gpio-controller;
+                                       #gpio-cells = <2>;
+ 
+@@ -187,9 +217,18 @@
+                                       #gpio-cells = <2>;
+                                       interrupt-parent = <&pmicintc>;
+                                       interrupts =
+-                                      <128 1>, <129 1>, <130 1>, <131 1>,
+-                                      <132 1>, <133 1>, <134 1>, <135 1>,
+-                                      <136 1>, <137 1>, <138 1>, <139 1>;
++                                      <128 IRQ_TYPE_NONE>,
++                                      <129 IRQ_TYPE_NONE>,
++                                      <130 IRQ_TYPE_NONE>,
++                                      <131 IRQ_TYPE_NONE>,
++                                      <132 IRQ_TYPE_NONE>,
++                                      <133 IRQ_TYPE_NONE>,
++                                      <134 IRQ_TYPE_NONE>,
++                                      <135 IRQ_TYPE_NONE>,
++                                      <136 IRQ_TYPE_NONE>,
++                                      <137 IRQ_TYPE_NONE>,
++                                      <138 IRQ_TYPE_NONE>,
++                                      <139 IRQ_TYPE_NONE>;
+                               };
+ 
+                               pwrkey@1c {
+diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
+index b7a428154355..b1ce037e4380 100644
+--- a/arch/arm/include/asm/delay.h
++++ b/arch/arm/include/asm/delay.h
+@@ -10,7 +10,7 @@
+ #include <asm/param.h>        /* HZ */
+ 
+ #define MAX_UDELAY_MS 2
+-#define UDELAY_MULT   UL(2047 * HZ + 483648 * HZ / 1000000)
++#define UDELAY_MULT   UL(2147 * HZ + 483648 * HZ / 1000000)
+ #define UDELAY_SHIFT  31
+ 
+ #ifndef __ASSEMBLY__
+diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
+index d9751a4769e7..d34fd72172b6 100644
+--- a/arch/arm64/kernel/stacktrace.c
++++ b/arch/arm64/kernel/stacktrace.c
+@@ -43,6 +43,9 @@ int notrace unwind_frame(struct task_struct *tsk, struct 
stackframe *frame)
+       unsigned long fp = frame->fp;
+       unsigned long irq_stack_ptr;
+ 
++      if (!tsk)
++              tsk = current;
++
+       /*
+        * Switching between stacks is valid when tracing current and in
+        * non-preemptible context.
+@@ -67,7 +70,7 @@ int notrace unwind_frame(struct task_struct *tsk, struct 
stackframe *frame)
+       frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp + 8));
+ 
+ #ifdef CONFIG_FUNCTION_GRAPH_TRACER
+-      if (tsk && tsk->ret_stack &&
++      if (tsk->ret_stack &&
+                       (frame->pc == (unsigned long)return_to_handler)) {
+               /*
+                * This is a case where function graph tracer has
+diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
+index e04f83873af7..df06750846de 100644
+--- a/arch/arm64/kernel/traps.c
++++ b/arch/arm64/kernel/traps.c
+@@ -142,6 +142,11 @@ static void dump_backtrace(struct pt_regs *regs, struct 
task_struct *tsk)
+       unsigned long irq_stack_ptr;
+       int skip;
+ 
++      pr_debug("%s(regs = %p tsk = %p)\n", __func__, regs, tsk);
++
++      if (!tsk)
++              tsk = current;
++
+       /*
+        * Switching between stacks is valid when tracing current and in
+        * non-preemptible context.
+@@ -151,11 +156,6 @@ static void dump_backtrace(struct pt_regs *regs, struct 
task_struct *tsk)
+       else
+               irq_stack_ptr = 0;
+ 
+-      pr_debug("%s(regs = %p tsk = %p)\n", __func__, regs, tsk);
+-
+-      if (!tsk)
+-              tsk = current;
+-
+       if (tsk == current) {
+               frame.fp = (unsigned long)__builtin_frame_address(0);
+               frame.sp = current_stack_pointer;
+diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
+index e788515f766b..43853ec6e160 100644
+--- a/arch/mips/kvm/emulate.c
++++ b/arch/mips/kvm/emulate.c
+@@ -846,6 +846,47 @@ enum emulation_result kvm_mips_emul_tlbr(struct kvm_vcpu 
*vcpu)
+       return EMULATE_FAIL;
+ }
+ 
++/**
++ * kvm_mips_invalidate_guest_tlb() - Indicates a change in guest MMU map.
++ * @vcpu:     VCPU with changed mappings.
++ * @tlb:      TLB entry being removed.
++ *
++ * This is called to indicate a single change in guest MMU mappings, so that 
we
++ * can arrange TLB flushes on this and other CPUs.
++ */
++static void kvm_mips_invalidate_guest_tlb(struct kvm_vcpu *vcpu,
++                                        struct kvm_mips_tlb *tlb)
++{
++      int cpu, i;
++      bool user;
++
++      /* No need to flush for entries which are already invalid */
++      if (!((tlb->tlb_lo[0] | tlb->tlb_lo[1]) & ENTRYLO_V))
++              return;
++      /* User address space doesn't need flushing for KSeg2/3 changes */
++      user = tlb->tlb_hi < KVM_GUEST_KSEG0;
++
++      preempt_disable();
++
++      /*
++       * Probe the shadow host TLB for the entry being overwritten, if one
++       * matches, invalidate it
++       */
++      kvm_mips_host_tlb_inv(vcpu, tlb->tlb_hi);
++
++      /* Invalidate the whole ASID on other CPUs */
++      cpu = smp_processor_id();
++      for_each_possible_cpu(i) {
++              if (i == cpu)
++                      continue;
++              if (user)
++                      vcpu->arch.guest_user_asid[i] = 0;
++              vcpu->arch.guest_kernel_asid[i] = 0;
++      }
++
++      preempt_enable();
++}
++
+ /* Write Guest TLB Entry @ Index */
+ enum emulation_result kvm_mips_emul_tlbwi(struct kvm_vcpu *vcpu)
+ {
+@@ -865,11 +906,8 @@ enum emulation_result kvm_mips_emul_tlbwi(struct kvm_vcpu 
*vcpu)
+       }
+ 
+       tlb = &vcpu->arch.guest_tlb[index];
+-      /*
+-       * Probe the shadow host TLB for the entry being overwritten, if one
+-       * matches, invalidate it
+-       */
+-      kvm_mips_host_tlb_inv(vcpu, tlb->tlb_hi);
++
++      kvm_mips_invalidate_guest_tlb(vcpu, tlb);
+ 
+       tlb->tlb_mask = kvm_read_c0_guest_pagemask(cop0);
+       tlb->tlb_hi = kvm_read_c0_guest_entryhi(cop0);
+@@ -898,11 +936,7 @@ enum emulation_result kvm_mips_emul_tlbwr(struct kvm_vcpu 
*vcpu)
+ 
+       tlb = &vcpu->arch.guest_tlb[index];
+ 
+-      /*
+-       * Probe the shadow host TLB for the entry being overwritten, if one
+-       * matches, invalidate it
+-       */
+-      kvm_mips_host_tlb_inv(vcpu, tlb->tlb_hi);
++      kvm_mips_invalidate_guest_tlb(vcpu, tlb);
+ 
+       tlb->tlb_mask = kvm_read_c0_guest_pagemask(cop0);
+       tlb->tlb_hi = kvm_read_c0_guest_entryhi(cop0);
+@@ -1026,6 +1060,7 @@ enum emulation_result kvm_mips_emulate_CP0(union 
mips_instruction inst,
+       enum emulation_result er = EMULATE_DONE;
+       u32 rt, rd, sel;
+       unsigned long curr_pc;
++      int cpu, i;
+ 
+       /*
+        * Update PC and hold onto current PC in case there is
+@@ -1135,8 +1170,16 @@ enum emulation_result kvm_mips_emulate_CP0(union 
mips_instruction inst,
+                                                       & KVM_ENTRYHI_ASID,
+                                               nasid);
+ 
++                                      preempt_disable();
+                                       /* Blow away the shadow host TLBs */
+                                       kvm_mips_flush_host_tlb(1);
++                                      cpu = smp_processor_id();
++                                      for_each_possible_cpu(i)
++                                              if (i != cpu) {
++                                                      
vcpu->arch.guest_user_asid[i] = 0;
++                                                      
vcpu->arch.guest_kernel_asid[i] = 0;
++                                              }
++                                      preempt_enable();
+                               }
+                               kvm_write_c0_guest_entryhi(cop0,
+                                                          vcpu->arch.gprs[rt]);
+diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
+index f69f40f1519a..978dada662ae 100644
+--- a/arch/powerpc/include/asm/reg.h
++++ b/arch/powerpc/include/asm/reg.h
+@@ -737,6 +737,7 @@
+ #define   MMCR0_FCHV  0x00000001UL /* freeze conditions in hypervisor mode */
+ #define SPRN_MMCR1    798
+ #define SPRN_MMCR2    785
++#define SPRN_UMMCR2   769
+ #define SPRN_MMCRA    0x312
+ #define   MMCRA_SDSYNC        0x80000000UL /* SDAR synced with SIAR */
+ #define   MMCRA_SDAR_DCACHE_MISS 0x40000000UL
+diff --git a/arch/powerpc/kvm/book3s_emulate.c 
b/arch/powerpc/kvm/book3s_emulate.c
+index 2afdb9c0937d..729f8faa95c5 100644
+--- a/arch/powerpc/kvm/book3s_emulate.c
++++ b/arch/powerpc/kvm/book3s_emulate.c
+@@ -498,6 +498,7 @@ int kvmppc_core_emulate_mtspr_pr(struct kvm_vcpu *vcpu, 
int sprn, ulong spr_val)
+       case SPRN_MMCR0:
+       case SPRN_MMCR1:
+       case SPRN_MMCR2:
++      case SPRN_UMMCR2:
+ #endif
+               break;
+ unprivileged:
+@@ -640,6 +641,7 @@ int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu, 
int sprn, ulong *spr_val
+       case SPRN_MMCR0:
+       case SPRN_MMCR1:
+       case SPRN_MMCR2:
++      case SPRN_UMMCR2:
+       case SPRN_TIR:
+ #endif
+               *spr_val = 0;
+diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
+index 02b4672f7347..df3f2706d3e5 100644
+--- a/arch/powerpc/kvm/booke.c
++++ b/arch/powerpc/kvm/booke.c
+@@ -2038,7 +2038,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu 
*vcpu,
+               if (type == KVMPPC_DEBUG_NONE)
+                       continue;
+ 
+-              if (type & !(KVMPPC_DEBUG_WATCH_READ |
++              if (type & ~(KVMPPC_DEBUG_WATCH_READ |
+                            KVMPPC_DEBUG_WATCH_WRITE |
+                            KVMPPC_DEBUG_BREAKPOINT))
+                       return -EINVAL;
+diff --git a/arch/x86/include/asm/fpu/xstate.h 
b/arch/x86/include/asm/fpu/xstate.h
+index ae55a43e09c0..19f30a814f54 100644
+--- a/arch/x86/include/asm/fpu/xstate.h
++++ b/arch/x86/include/asm/fpu/xstate.h
+@@ -27,11 +27,12 @@
+                                XFEATURE_MASK_YMM | \
+                                XFEATURE_MASK_OPMASK | \
+                                XFEATURE_MASK_ZMM_Hi256 | \
+-                               XFEATURE_MASK_Hi16_ZMM  | \
+-                               XFEATURE_MASK_PKRU)
++                               XFEATURE_MASK_Hi16_ZMM)
+ 
+ /* Supported features which require eager state saving */
+-#define XFEATURE_MASK_EAGER   (XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR)
++#define XFEATURE_MASK_EAGER   (XFEATURE_MASK_BNDREGS | \
++                               XFEATURE_MASK_BNDCSR | \
++                               XFEATURE_MASK_PKRU)
+ 
+ /* All currently supported features */
+ #define XCNTXT_MASK   (XFEATURE_MASK_LAZY | XFEATURE_MASK_EAGER)
+diff --git a/arch/x86/include/asm/intel-family.h 
b/arch/x86/include/asm/intel-family.h
+index 627719475457..9ae5ab80a497 100644
+--- a/arch/x86/include/asm/intel-family.h
++++ b/arch/x86/include/asm/intel-family.h
+@@ -56,8 +56,8 @@
+ #define INTEL_FAM6_ATOM_SILVERMONT1   0x37 /* BayTrail/BYT / Valleyview */
+ #define INTEL_FAM6_ATOM_SILVERMONT2   0x4D /* Avaton/Rangely */
+ #define INTEL_FAM6_ATOM_AIRMONT               0x4C /* CherryTrail / Braswell 
*/
+-#define INTEL_FAM6_ATOM_MERRIFIELD1   0x4A /* Tangier */
+-#define INTEL_FAM6_ATOM_MERRIFIELD2   0x5A /* Annidale */
++#define INTEL_FAM6_ATOM_MERRIFIELD    0x4A /* Tangier */
++#define INTEL_FAM6_ATOM_MOOREFIELD    0x5A /* Annidale */
+ #define INTEL_FAM6_ATOM_GOLDMONT      0x5C
+ #define INTEL_FAM6_ATOM_DENVERTON     0x5F /* Goldmont Microserver */
+ 
+diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
+index b07233b64578..c2f94dcc92ce 100644
+--- a/arch/x86/include/asm/mpspec.h
++++ b/arch/x86/include/asm/mpspec.h
+@@ -6,7 +6,6 @@
+ #include <asm/x86_init.h>
+ #include <asm/apicdef.h>
+ 
+-extern int apic_version[];
+ extern int pic_mode;
+ 
+ #ifdef CONFIG_X86_32
+@@ -40,6 +39,7 @@ extern int mp_bus_id_to_type[MAX_MP_BUSSES];
+ extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
+ 
+ extern unsigned int boot_cpu_physical_apicid;
++extern u8 boot_cpu_apic_version;
+ extern unsigned long mp_lapic_addr;
+ 
+ #ifdef CONFIG_X86_LOCAL_APIC
+diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
+index 90d84c3eee53..fbd19444403f 100644
+--- a/arch/x86/kernel/acpi/boot.c
++++ b/arch/x86/kernel/acpi/boot.c
+@@ -182,7 +182,7 @@ static int acpi_register_lapic(int id, u32 acpiid, u8 
enabled)
+       }
+ 
+       if (boot_cpu_physical_apicid != -1U)
+-              ver = apic_version[boot_cpu_physical_apicid];
++              ver = boot_cpu_apic_version;
+ 
+       cpu = generic_processor_info(id, ver);
+       if (cpu >= 0)
+diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
+index f3e9b2df4b16..076c315cdf18 100644
+--- a/arch/x86/kernel/apic/apic.c
++++ b/arch/x86/kernel/apic/apic.c
+@@ -64,6 +64,8 @@ unsigned disabled_cpus;
+ unsigned int boot_cpu_physical_apicid = -1U;
+ EXPORT_SYMBOL_GPL(boot_cpu_physical_apicid);
+ 
++u8 boot_cpu_apic_version;
++
+ /*
+  * The highest APIC ID seen during enumeration.
+  */
+@@ -1816,8 +1818,7 @@ void __init init_apic_mappings(void)
+                * since smp_sanity_check is prepared for such a case
+                * and disable smp mode
+                */
+-              apic_version[new_apicid] =
+-                       GET_APIC_VERSION(apic_read(APIC_LVR));
++              boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR));
+       }
+ }
+ 
+@@ -1832,13 +1833,10 @@ void __init register_lapic_address(unsigned long 
address)
+       }
+       if (boot_cpu_physical_apicid == -1U) {
+               boot_cpu_physical_apicid  = read_apic_id();
+-              apic_version[boot_cpu_physical_apicid] =
+-                       GET_APIC_VERSION(apic_read(APIC_LVR));
++              boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR));
+       }
+ }
+ 
+-int apic_version[MAX_LOCAL_APIC];
+-
+ /*
+  * Local APIC interrupts
+  */
+@@ -2130,11 +2128,10 @@ int generic_processor_info(int apicid, int version)
+                          cpu, apicid);
+               version = 0x10;
+       }
+-      apic_version[apicid] = version;
+ 
+-      if (version != apic_version[boot_cpu_physical_apicid]) {
++      if (version != boot_cpu_apic_version) {
+               pr_warning("BIOS bug: APIC version mismatch, boot CPU: %x, CPU 
%d: version %x\n",
+-                      apic_version[boot_cpu_physical_apicid], cpu, version);
++                      boot_cpu_apic_version, cpu, version);
+       }
+ 
+       physid_set(apicid, phys_cpu_present_map);
+@@ -2277,7 +2274,7 @@ int __init APIC_init_uniprocessor(void)
+        * Complain if the BIOS pretends there is one.
+        */
+       if (!boot_cpu_has(X86_FEATURE_APIC) &&
+-          APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
++          APIC_INTEGRATED(boot_cpu_apic_version)) {
+               pr_err("BIOS bug, local APIC 0x%x not detected!...\n",
+                       boot_cpu_physical_apicid);
+               return -1;
+diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
+index 7491f417a8e4..48e6d84f173e 100644
+--- a/arch/x86/kernel/apic/io_apic.c
++++ b/arch/x86/kernel/apic/io_apic.c
+@@ -1593,7 +1593,7 @@ void __init setup_ioapic_ids_from_mpc(void)
+        * no meaning without the serial APIC bus.
+        */
+       if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
+-              || APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
++              || APIC_XAPIC(boot_cpu_apic_version))
+               return;
+       setup_ioapic_ids_from_mpc_nocheck();
+ }
+@@ -2423,7 +2423,7 @@ static int io_apic_get_unique_id(int ioapic, int apic_id)
+ static u8 io_apic_unique_id(int idx, u8 id)
+ {
+       if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
+-          !APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
++          !APIC_XAPIC(boot_cpu_apic_version))
+               return io_apic_get_unique_id(idx, id);
+       else
+               return id;
+diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
+index 7c43e716c158..563096267ca2 100644
+--- a/arch/x86/kernel/apic/probe_32.c
++++ b/arch/x86/kernel/apic/probe_32.c
+@@ -152,7 +152,7 @@ early_param("apic", parse_apic);
+ 
+ void __init default_setup_apic_routing(void)
+ {
+-      int version = apic_version[boot_cpu_physical_apicid];
++      int version = boot_cpu_apic_version;
+ 
+       if (num_possible_cpus() > 8) {
+               switch (boot_cpu_data.x86_vendor) {
+diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
+index 6066d945c40e..5d30c5e42bb1 100644
+--- a/arch/x86/kernel/apic/vector.c
++++ b/arch/x86/kernel/apic/vector.c
+@@ -661,11 +661,28 @@ void irq_complete_move(struct irq_cfg *cfg)
+  */
+ void irq_force_complete_move(struct irq_desc *desc)
+ {
+-      struct irq_data *irqdata = irq_desc_get_irq_data(desc);
+-      struct apic_chip_data *data = apic_chip_data(irqdata);
+-      struct irq_cfg *cfg = data ? &data->cfg : NULL;
++      struct irq_data *irqdata;
++      struct apic_chip_data *data;
++      struct irq_cfg *cfg;
+       unsigned int cpu;
+ 
++      /*
++       * The function is called for all descriptors regardless of which
++       * irqdomain they belong to. For example if an IRQ is provided by
++       * an irq_chip as part of a GPIO driver, the chip data for that
++       * descriptor is specific to the irq_chip in question.
++       *
++       * Check first that the chip_data is what we expect
++       * (apic_chip_data) before touching it any further.
++       */
++      irqdata = irq_domain_get_irq_data(x86_vector_domain,
++                                        irq_desc_get_irq(desc));
++      if (!irqdata)
++              return;
++
++      data = apic_chip_data(irqdata);
++      cfg = data ? &data->cfg : NULL;
++
+       if (!cfg)
+               return;
+ 
+diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
+index 621b501f8935..8a90f1517837 100644
+--- a/arch/x86/kernel/e820.c
++++ b/arch/x86/kernel/e820.c
+@@ -348,7 +348,7 @@ int __init sanitize_e820_map(struct e820entry *biosmap, 
int max_nr_map,
+                * continue building up new bios map based on this
+                * information
+                */
+-              if (current_type != last_type || current_type == E820_PRAM) {
++              if (current_type != last_type) {
+                       if (last_type != 0)      {
+                               new_bios[new_bios_entry].size =
+                                       change_point[chgidx]->addr - last_addr;
+@@ -754,7 +754,7 @@ u64 __init early_reserve_e820(u64 size, u64 align)
+ /*
+  * Find the highest page frame number we have available
+  */
+-static unsigned long __init e820_end_pfn(unsigned long limit_pfn)
++static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned 
type)
+ {
+       int i;
+       unsigned long last_pfn = 0;
+@@ -765,11 +765,7 @@ static unsigned long __init e820_end_pfn(unsigned long 
limit_pfn)
+               unsigned long start_pfn;
+               unsigned long end_pfn;
+ 
+-              /*
+-               * Persistent memory is accounted as ram for purposes of
+-               * establishing max_pfn and mem_map.
+-               */
+-              if (ei->type != E820_RAM && ei->type != E820_PRAM)
++              if (ei->type != type)
+                       continue;
+ 
+               start_pfn = ei->addr >> PAGE_SHIFT;
+@@ -794,12 +790,12 @@ static unsigned long __init e820_end_pfn(unsigned long 
limit_pfn)
+ }
+ unsigned long __init e820_end_of_ram_pfn(void)
+ {
+-      return e820_end_pfn(MAX_ARCH_PFN);
++      return e820_end_pfn(MAX_ARCH_PFN, E820_RAM);
+ }
+ 
+ unsigned long __init e820_end_of_low_ram_pfn(void)
+ {
+-      return e820_end_pfn(1UL << (32-PAGE_SHIFT));
++      return e820_end_pfn(1UL << (32 - PAGE_SHIFT), E820_RAM);
+ }
+ 
+ static void early_panic(char *msg)
+diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
+index 63236d8f84bf..a21068e49dac 100644
+--- a/arch/x86/kernel/process_64.c
++++ b/arch/x86/kernel/process_64.c
+@@ -110,12 +110,13 @@ void __show_regs(struct pt_regs *regs, int all)
+       get_debugreg(d7, 7);
+ 
+       /* Only print out debug registers if they are in their non-default 
state. */
+-      if ((d0 == 0) && (d1 == 0) && (d2 == 0) && (d3 == 0) &&
+-          (d6 == DR6_RESERVED) && (d7 == 0x400))
+-              return;
+-
+-      printk(KERN_DEFAULT "DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, 
d2);
+-      printk(KERN_DEFAULT "DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, 
d7);
++      if (!((d0 == 0) && (d1 == 0) && (d2 == 0) && (d3 == 0) &&
++          (d6 == DR6_RESERVED) && (d7 == 0x400))) {
++              printk(KERN_DEFAULT "DR0: %016lx DR1: %016lx DR2: %016lx\n",
++                     d0, d1, d2);
++              printk(KERN_DEFAULT "DR3: %016lx DR6: %016lx DR7: %016lx\n",
++                     d3, d6, d7);
++      }
+ 
+       if (boot_cpu_has(X86_FEATURE_OSPKE))
+               printk(KERN_DEFAULT "PKRU: %08x\n", read_pkru());
+diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
+index f79576a541ff..a1606eadd9ce 100644
+--- a/arch/x86/kernel/ptrace.c
++++ b/arch/x86/kernel/ptrace.c
+@@ -173,8 +173,8 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs)
+               return sp;
+ 
+       prev_esp = (u32 *)(context);
+-      if (prev_esp)
+-              return (unsigned long)prev_esp;
++      if (*prev_esp)
++              return (unsigned long)*prev_esp;
+ 
+       return (unsigned long)regs;
+ }
+diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
+index 4296beb8fdd3..82b17373b66a 100644
+--- a/arch/x86/kernel/smpboot.c
++++ b/arch/x86/kernel/smpboot.c
+@@ -690,7 +690,7 @@ wakeup_secondary_cpu_via_nmi(int apicid, unsigned long 
start_eip)
+        * Give the other CPU some time to accept the IPI.
+        */
+       udelay(200);
+-      if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
++      if (APIC_INTEGRATED(boot_cpu_apic_version)) {
+               maxlvt = lapic_get_maxlvt();
+               if (maxlvt > 3)                 /* Due to the Pentium erratum 
3AP.  */
+                       apic_write(APIC_ESR, 0);
+@@ -717,7 +717,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned 
long start_eip)
+       /*
+        * Be paranoid about clearing APIC errors.
+        */
+-      if (APIC_INTEGRATED(apic_version[phys_apicid])) {
++      if (APIC_INTEGRATED(boot_cpu_apic_version)) {
+               if (maxlvt > 3)         /* Due to the Pentium erratum 3AP.  */
+                       apic_write(APIC_ESR, 0);
+               apic_read(APIC_ESR);
+@@ -756,7 +756,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned 
long start_eip)
+        * Determine this based on the APIC version.
+        * If we don't have an integrated APIC, don't send the STARTUP IPIs.
+        */
+-      if (APIC_INTEGRATED(apic_version[phys_apicid]))
++      if (APIC_INTEGRATED(boot_cpu_apic_version))
+               num_starts = 2;
+       else
+               num_starts = 0;
+@@ -994,7 +994,7 @@ static int do_boot_cpu(int apicid, int cpu, struct 
task_struct *idle)
+               /*
+                * Be paranoid about clearing APIC errors.
+               */
+-              if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
++              if (APIC_INTEGRATED(boot_cpu_apic_version)) {
+                       apic_write(APIC_ESR, 0);
+                       apic_read(APIC_ESR);
+               }
+@@ -1249,7 +1249,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
+       /*
+        * If we couldn't find a local APIC, then get out of here now!
+        */
+-      if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid]) &&
++      if (APIC_INTEGRATED(boot_cpu_apic_version) &&
+           !boot_cpu_has(X86_FEATURE_APIC)) {
+               if (!disable_apic) {
+                       pr_err("BIOS bug, local APIC #%d not detected!...\n",
+@@ -1406,9 +1406,21 @@ __init void prefill_possible_map(void)
+ {
+       int i, possible;
+ 
+-      /* no processor from mptable or madt */
+-      if (!num_processors)
+-              num_processors = 1;
++      /* No boot processor was found in mptable or ACPI MADT */
++      if (!num_processors) {
++              int apicid = boot_cpu_physical_apicid;
++              int cpu = hard_smp_processor_id();
++
++              pr_warn("Boot CPU (id %d) not listed by BIOS\n", cpu);
++
++              /* Make sure boot cpu is enumerated */
++              if (apic->cpu_present_to_apicid(0) == BAD_APICID &&
++                  apic->apic_id_valid(apicid))
++                      generic_processor_info(apicid, boot_cpu_apic_version);
++
++              if (!num_processors)
++                      num_processors = 1;
++      }
+ 
+       i = setup_max_cpus ?: 1;
+       if (setup_possible_cpus == -1) {
+diff --git a/arch/x86/platform/atom/punit_atom_debug.c 
b/arch/x86/platform/atom/punit_atom_debug.c
+index 8ff7b9355416..d49d3be81953 100644
+--- a/arch/x86/platform/atom/punit_atom_debug.c
++++ b/arch/x86/platform/atom/punit_atom_debug.c
+@@ -155,7 +155,7 @@ static void punit_dbgfs_unregister(void)
+ 
+ static const struct x86_cpu_id intel_punit_cpu_ids[] = {
+       ICPU(INTEL_FAM6_ATOM_SILVERMONT1, punit_device_byt),
+-      ICPU(INTEL_FAM6_ATOM_MERRIFIELD1, punit_device_tng),
++      ICPU(INTEL_FAM6_ATOM_MERRIFIELD,  punit_device_tng),
+       ICPU(INTEL_FAM6_ATOM_AIRMONT,     punit_device_cht),
+       {}
+ };
+diff --git a/arch/x86/platform/intel-mid/pwr.c 
b/arch/x86/platform/intel-mid/pwr.c
+index c901a3423772..6eca0f6fe57d 100644
+--- a/arch/x86/platform/intel-mid/pwr.c
++++ b/arch/x86/platform/intel-mid/pwr.c
+@@ -354,7 +354,7 @@ static int mid_pwr_probe(struct pci_dev *pdev, const 
struct pci_device_id *id)
+       return 0;
+ }
+ 
+-static int mid_set_initial_state(struct mid_pwr *pwr)
++static int mid_set_initial_state(struct mid_pwr *pwr, const u32 *states)
+ {
+       unsigned int i, j;
+       int ret;
+@@ -379,10 +379,10 @@ static int mid_set_initial_state(struct mid_pwr *pwr)
+        * NOTE: The actual device mapping is provided by a platform at run
+        * time using vendor capability of PCI configuration space.
+        */
+-      mid_pwr_set_state(pwr, 0, 0xffffffff);
+-      mid_pwr_set_state(pwr, 1, 0xffffffff);
+-      mid_pwr_set_state(pwr, 2, 0xffffffff);
+-      mid_pwr_set_state(pwr, 3, 0xffffffff);
++      mid_pwr_set_state(pwr, 0, states[0]);
++      mid_pwr_set_state(pwr, 1, states[1]);
++      mid_pwr_set_state(pwr, 2, states[2]);
++      mid_pwr_set_state(pwr, 3, states[3]);
+ 
+       /* Send command to SCU */
+       ret = mid_pwr_wait_for_cmd(pwr, CMD_SET_CFG);
+@@ -397,13 +397,41 @@ static int mid_set_initial_state(struct mid_pwr *pwr)
+       return 0;
+ }
+ 
+-static const struct mid_pwr_device_info mid_info = {
+-      .set_initial_state = mid_set_initial_state,
++static int pnw_set_initial_state(struct mid_pwr *pwr)
++{
++      /* On Penwell SRAM must stay powered on */
++      const u32 states[] = {
++              0xf00fffff,             /* PM_SSC(0) */
++              0xffffffff,             /* PM_SSC(1) */
++              0xffffffff,             /* PM_SSC(2) */
++              0xffffffff,             /* PM_SSC(3) */
++      };
++      return mid_set_initial_state(pwr, states);
++}
++
++static int tng_set_initial_state(struct mid_pwr *pwr)
++{
++      const u32 states[] = {
++              0xffffffff,             /* PM_SSC(0) */
++              0xffffffff,             /* PM_SSC(1) */
++              0xffffffff,             /* PM_SSC(2) */
++              0xffffffff,             /* PM_SSC(3) */
++      };
++      return mid_set_initial_state(pwr, states);
++}
++
++static const struct mid_pwr_device_info pnw_info = {
++      .set_initial_state = pnw_set_initial_state,
++};
++
++static const struct mid_pwr_device_info tng_info = {
++      .set_initial_state = tng_set_initial_state,
+ };
+ 
++/* This table should be in sync with the one in drivers/pci/pci-mid.c */
+ static const struct pci_device_id mid_pwr_pci_ids[] = {
+-      { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PENWELL), (kernel_ulong_t)&mid_info 
},
+-      { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_TANGIER), (kernel_ulong_t)&mid_info 
},
++      { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PENWELL), (kernel_ulong_t)&pnw_info 
},
++      { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_TANGIER), (kernel_ulong_t)&tng_info 
},
+       {}
+ };
+ 
+diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
+index 0b4d04c8ab4d..62284035be84 100644
+--- a/arch/x86/xen/smp.c
++++ b/arch/x86/xen/smp.c
+@@ -87,6 +87,12 @@ static void cpu_bringup(void)
+       cpu_data(cpu).x86_max_cores = 1;
+       set_cpu_sibling_map(cpu);
+ 
++      /*
++       * identify_cpu() may have set logical_pkg_id to -1 due
++       * to incorrect phys_proc_id. Let's re-comupte it.
++       */
++      topology_update_package_map(apic->cpu_present_to_apicid(cpu), cpu);
++
+       xen_setup_cpu_clockevents();
+ 
+       notify_cpu_starting(cpu);
+diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
+index 811f9b97e360..d4d55f60cd81 100644
+--- a/drivers/bluetooth/btusb.c
++++ b/drivers/bluetooth/btusb.c
+@@ -251,6 +251,7 @@ static const struct usb_device_id blacklist_table[] = {
+       { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
+       { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
+       { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
++      { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
+ 
+       /* Broadcom BCM2035 */
+       { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
+diff --git a/drivers/char/tpm/tpm-dev.c b/drivers/char/tpm/tpm-dev.c
+index f5d452151c6b..912ad30be585 100644
+--- a/drivers/char/tpm/tpm-dev.c
++++ b/drivers/char/tpm/tpm-dev.c
+@@ -145,7 +145,7 @@ static ssize_t tpm_write(struct file *file, const char 
__user *buf,
+               return -EPIPE;
+       }
+       out_size = tpm_transmit(priv->chip, priv->data_buffer,
+-                              sizeof(priv->data_buffer));
++                              sizeof(priv->data_buffer), 0);
+ 
+       tpm_put_ops(priv->chip);
+       if (out_size < 0) {
+diff --git a/drivers/char/tpm/tpm-interface.c 
b/drivers/char/tpm/tpm-interface.c
+index 1abe2d7a2610..aef20ee2331a 100644
+--- a/drivers/char/tpm/tpm-interface.c
++++ b/drivers/char/tpm/tpm-interface.c
+@@ -330,8 +330,8 @@ EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
+ /*
+  * Internal kernel interface to transmit TPM commands
+  */
+-ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
+-                   size_t bufsiz)
++ssize_t tpm_transmit(struct tpm_chip *chip, const u8 *buf, size_t bufsiz,
++                   unsigned int flags)
+ {
+       ssize_t rc;
+       u32 count, ordinal;
+@@ -350,7 +350,8 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const char 
*buf,
+               return -E2BIG;
+       }
+ 
+-      mutex_lock(&chip->tpm_mutex);
++      if (!(flags & TPM_TRANSMIT_UNLOCKED))
++              mutex_lock(&chip->tpm_mutex);
+ 
+       rc = chip->ops->send(chip, (u8 *) buf, count);
+       if (rc < 0) {
+@@ -393,20 +394,21 @@ out_recv:
+               dev_err(&chip->dev,
+                       "tpm_transmit: tpm_recv: error %zd\n", rc);
+ out:
+-      mutex_unlock(&chip->tpm_mutex);
++      if (!(flags & TPM_TRANSMIT_UNLOCKED))
++              mutex_unlock(&chip->tpm_mutex);
+       return rc;
+ }
+ 
+ #define TPM_DIGEST_SIZE 20
+ #define TPM_RET_CODE_IDX 6
+ 
+-ssize_t tpm_transmit_cmd(struct tpm_chip *chip, void *cmd,
+-                       int len, const char *desc)
++ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *cmd,
++                       int len, unsigned int flags, const char *desc)
+ {
+-      struct tpm_output_header *header;
++      const struct tpm_output_header *header;
+       int err;
+ 
+-      len = tpm_transmit(chip, (u8 *) cmd, len);
++      len = tpm_transmit(chip, (const u8 *)cmd, len, flags);
+       if (len <  0)
+               return len;
+       else if (len < TPM_HEADER_SIZE)
+@@ -453,7 +455,8 @@ ssize_t tpm_getcap(struct tpm_chip *chip, __be32 
subcap_id, cap_t *cap,
+               tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
+               tpm_cmd.params.getcap_in.subcap = subcap_id;
+       }
+-      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, desc);
++      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
++                            desc);
+       if (!rc)
+               *cap = tpm_cmd.params.getcap_out.cap;
+       return rc;
+@@ -469,7 +472,7 @@ void tpm_gen_interrupt(struct tpm_chip *chip)
+       tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
+       tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_TIMEOUT;
+ 
+-      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
++      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
+                             "attempting to determine the timeouts");
+ }
+ EXPORT_SYMBOL_GPL(tpm_gen_interrupt);
+@@ -490,7 +493,7 @@ static int tpm_startup(struct tpm_chip *chip, __be16 
startup_type)
+       start_cmd.header.in = tpm_startup_header;
+ 
+       start_cmd.params.startup_in.startup_type = startup_type;
+-      return tpm_transmit_cmd(chip, &start_cmd, TPM_INTERNAL_RESULT_SIZE,
++      return tpm_transmit_cmd(chip, &start_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
+                               "attempting to start the TPM");
+ }
+ 
+@@ -521,7 +524,8 @@ int tpm_get_timeouts(struct tpm_chip *chip)
+       tpm_cmd.params.getcap_in.cap = TPM_CAP_PROP;
+       tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
+       tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_TIMEOUT;
+-      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, NULL);
++      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
++                            NULL);
+ 
+       if (rc == TPM_ERR_INVALID_POSTINIT) {
+               /* The TPM is not started, we are the first to talk to it.
+@@ -535,7 +539,7 @@ int tpm_get_timeouts(struct tpm_chip *chip)
+               tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
+               tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_TIMEOUT;
+               rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
+-                                NULL);
++                                    0, NULL);
+       }
+       if (rc) {
+               dev_err(&chip->dev,
+@@ -596,7 +600,7 @@ duration:
+       tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
+       tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_DURATION;
+ 
+-      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
++      rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
+                             "attempting to determine the durations");
+       if (rc)
+               return rc;
+@@ -652,7 +656,7 @@ static int tpm_continue_selftest(struct tpm_chip *chip)
+       struct tpm_cmd_t cmd;
+ 
+       cmd.header.in = continue_selftest_header;
+-      rc = tpm_transmit_cmd(chip, &cmd, CONTINUE_SELFTEST_RESULT_SIZE,
++      rc = tpm_transmit_cmd(chip, &cmd, CONTINUE_SELFTEST_RESULT_SIZE, 0,
+                             "continue selftest");
+       return rc;
+ }
+@@ -672,7 +676,7 @@ int tpm_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, 
u8 *res_buf)
+ 
+       cmd.header.in = pcrread_header;
+       cmd.params.pcrread_in.pcr_idx = cpu_to_be32(pcr_idx);
+-      rc = tpm_transmit_cmd(chip, &cmd, READ_PCR_RESULT_SIZE,
++      rc = tpm_transmit_cmd(chip, &cmd, READ_PCR_RESULT_SIZE, 0,
+                             "attempting to read a pcr value");
+ 
+       if (rc == 0)
+@@ -770,7 +774,7 @@ int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 
*hash)
+       cmd.header.in = pcrextend_header;
+       cmd.params.pcrextend_in.pcr_idx = cpu_to_be32(pcr_idx);
+       memcpy(cmd.params.pcrextend_in.hash, hash, TPM_DIGEST_SIZE);
+-      rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,
++      rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE, 0,
+                             "attempting extend a PCR value");
+ 
+       tpm_put_ops(chip);
+@@ -809,7 +813,7 @@ int tpm_do_selftest(struct tpm_chip *chip)
+               /* Attempt to read a PCR value */
+               cmd.header.in = pcrread_header;
+               cmd.params.pcrread_in.pcr_idx = cpu_to_be32(0);
+-              rc = tpm_transmit(chip, (u8 *) &cmd, READ_PCR_RESULT_SIZE);
++              rc = tpm_transmit(chip, (u8 *) &cmd, READ_PCR_RESULT_SIZE, 0);
+               /* Some buggy TPMs will not respond to tpm_tis_ready() for
+                * around 300ms while the self test is ongoing, keep trying
+                * until the self test duration expires. */
+@@ -879,7 +883,7 @@ int tpm_send(u32 chip_num, void *cmd, size_t buflen)
+       if (chip == NULL)
+               return -ENODEV;
+ 
+-      rc = tpm_transmit_cmd(chip, cmd, buflen, "attempting tpm_cmd");
++      rc = tpm_transmit_cmd(chip, cmd, buflen, 0, "attempting tpm_cmd");
+ 
+       tpm_put_ops(chip);
+       return rc;
+@@ -981,14 +985,15 @@ int tpm_pm_suspend(struct device *dev)
+               cmd.params.pcrextend_in.pcr_idx = cpu_to_be32(tpm_suspend_pcr);
+               memcpy(cmd.params.pcrextend_in.hash, dummy_hash,
+                      TPM_DIGEST_SIZE);
+-              rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,
++              rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE, 0,
+                                     "extending dummy pcr before suspend");
+       }
+ 
+       /* now do the actual savestate */
+       for (try = 0; try < TPM_RETRY; try++) {
+               cmd.header.in = savestate_header;
+-              rc = tpm_transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, NULL);
++              rc = tpm_transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, 0,
++                                    NULL);
+ 
+               /*
+                * If the TPM indicates that it is too busy to respond to
+@@ -1072,8 +1077,8 @@ int tpm_get_random(u32 chip_num, u8 *out, size_t max)
+               tpm_cmd.params.getrandom_in.num_bytes = cpu_to_be32(num_bytes);
+ 
+               err = tpm_transmit_cmd(chip, &tpm_cmd,
+-                                 TPM_GETRANDOM_RESULT_SIZE + num_bytes,
+-                                 "attempting get random");
++                                     TPM_GETRANDOM_RESULT_SIZE + num_bytes,
++                                     0, "attempting get random");
+               if (err)
+                       break;
+ 
+diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
+index b46cf70c8b16..e1f7236c115c 100644
+--- a/drivers/char/tpm/tpm-sysfs.c
++++ b/drivers/char/tpm/tpm-sysfs.c
+@@ -39,7 +39,7 @@ static ssize_t pubek_show(struct device *dev, struct 
device_attribute *attr,
+       struct tpm_chip *chip = to_tpm_chip(dev);
+ 
+       tpm_cmd.header.in = tpm_readpubek_header;
+-      err = tpm_transmit_cmd(chip, &tpm_cmd, READ_PUBEK_RESULT_SIZE,
++      err = tpm_transmit_cmd(chip, &tpm_cmd, READ_PUBEK_RESULT_SIZE, 0,
+                              "attempting to read the PUBEK");
+       if (err)
+               goto out;
+diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
+index 3e32d5bd2dc6..b0585e99da49 100644
+--- a/drivers/char/tpm/tpm.h
++++ b/drivers/char/tpm/tpm.h
+@@ -476,12 +476,16 @@ extern dev_t tpm_devt;
+ extern const struct file_operations tpm_fops;
+ extern struct idr dev_nums_idr;
+ 
++enum tpm_transmit_flags {
++      TPM_TRANSMIT_UNLOCKED   = BIT(0),
++};
++
++ssize_t tpm_transmit(struct tpm_chip *chip, const u8 *buf, size_t bufsiz,
++                   unsigned int flags);
++ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *cmd, int len,
++                       unsigned int flags, const char *desc);
+ ssize_t tpm_getcap(struct tpm_chip *chip, __be32 subcap_id, cap_t *cap,
+                  const char *desc);
+-ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
+-                   size_t bufsiz);
+-ssize_t tpm_transmit_cmd(struct tpm_chip *chip, void *cmd, int len,
+-                       const char *desc);
+ extern int tpm_get_timeouts(struct tpm_chip *);
+ extern void tpm_gen_interrupt(struct tpm_chip *);
+ int tpm1_auto_startup(struct tpm_chip *chip);
+diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
+index 0c75c3f1689f..ef5a58b986f6 100644
+--- a/drivers/char/tpm/tpm2-cmd.c
++++ b/drivers/char/tpm/tpm2-cmd.c
+@@ -282,7 +282,7 @@ int tpm2_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 
*res_buf)
+              sizeof(cmd.params.pcrread_in.pcr_select));
+       cmd.params.pcrread_in.pcr_select[pcr_idx >> 3] = 1 << (pcr_idx & 0x7);
+ 
+-      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
++      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
+                             "attempting to read a pcr value");
+       if (rc == 0) {
+               buf = cmd.params.pcrread_out.digest;
+@@ -330,7 +330,7 @@ int tpm2_pcr_extend(struct tpm_chip *chip, int pcr_idx, 
const u8 *hash)
+       cmd.params.pcrextend_in.hash_alg = cpu_to_be16(TPM2_ALG_SHA1);
+       memcpy(cmd.params.pcrextend_in.digest, hash, TPM_DIGEST_SIZE);
+ 
+-      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
++      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
+                             "attempting extend a PCR value");
+ 
+       return rc;
+@@ -376,7 +376,7 @@ int tpm2_get_random(struct tpm_chip *chip, u8 *out, size_t 
max)
+               cmd.header.in = tpm2_getrandom_header;
+               cmd.params.getrandom_in.size = cpu_to_be16(num_bytes);
+ 
+-              err = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
++              err = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
+                                      "attempting get random");
+               if (err)
+                       break;
+@@ -434,12 +434,12 @@ static void tpm2_buf_append_auth(struct tpm_buf *buf, 
u32 session_handle,
+ }
+ 
+ /**
+- * tpm2_seal_trusted() - seal a trusted key
+- * @chip_num: A specific chip number for the request or TPM_ANY_NUM
+- * @options: authentication values and other options
++ * tpm2_seal_trusted() - seal the payload of a trusted key
++ * @chip_num: TPM chip to use
+  * @payload: the key data in clear and encrypted form
++ * @options: authentication values and other options
+  *
+- * Returns < 0 on error and 0 on success.
++ * Return: < 0 on error and 0 on success.
+  */
+ int tpm2_seal_trusted(struct tpm_chip *chip,
+                     struct trusted_key_payload *payload,
+@@ -512,7 +512,7 @@ int tpm2_seal_trusted(struct tpm_chip *chip,
+               goto out;
+       }
+ 
+-      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "sealing data");
++      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, 0, "sealing data");
+       if (rc)
+               goto out;
+ 
+@@ -538,10 +538,18 @@ out:
+       return rc;
+ }
+ 
+-static int tpm2_load(struct tpm_chip *chip,
+-                   struct trusted_key_payload *payload,
+-                   struct trusted_key_options *options,
+-                   u32 *blob_handle)
++/**
++ * tpm2_load_cmd() - execute a TPM2_Load command
++ * @chip_num: TPM chip to use
++ * @payload: the key data in clear and encrypted form
++ * @options: authentication values and other options
++ *
++ * Return: same as with tpm_transmit_cmd
++ */
++static int tpm2_load_cmd(struct tpm_chip *chip,
++                       struct trusted_key_payload *payload,
++                       struct trusted_key_options *options,
++                       u32 *blob_handle, unsigned int flags)
+ {
+       struct tpm_buf buf;
+       unsigned int private_len;
+@@ -576,7 +584,7 @@ static int tpm2_load(struct tpm_chip *chip,
+               goto out;
+       }
+ 
+-      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "loading blob");
++      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, flags, "loading blob");
+       if (!rc)
+               *blob_handle = be32_to_cpup(
+                       (__be32 *) &buf.data[TPM_HEADER_SIZE]);
+@@ -590,7 +598,16 @@ out:
+       return rc;
+ }
+ 
+-static void tpm2_flush_context(struct tpm_chip *chip, u32 handle)
++/**
++ * tpm2_flush_context_cmd() - execute a TPM2_FlushContext command
++ * @chip_num: TPM chip to use
++ * @payload: the key data in clear and encrypted form
++ * @options: authentication values and other options
++ *
++ * Return: same as with tpm_transmit_cmd
++ */
++static void tpm2_flush_context_cmd(struct tpm_chip *chip, u32 handle,
++                                 unsigned int flags)
+ {
+       struct tpm_buf buf;
+       int rc;
+@@ -604,7 +621,8 @@ static void tpm2_flush_context(struct tpm_chip *chip, u32 
handle)
+ 
+       tpm_buf_append_u32(&buf, handle);
+ 
+-      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "flushing context");
++      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, flags,
++                            "flushing context");
+       if (rc)
+               dev_warn(&chip->dev, "0x%08x was not flushed, rc=%d\n", handle,
+                        rc);
+@@ -612,10 +630,18 @@ static void tpm2_flush_context(struct tpm_chip *chip, 
u32 handle)
+       tpm_buf_destroy(&buf);
+ }
+ 
+-static int tpm2_unseal(struct tpm_chip *chip,
+-                     struct trusted_key_payload *payload,
+-                     struct trusted_key_options *options,
+-                     u32 blob_handle)
++/**
++ * tpm2_unseal_cmd() - execute a TPM2_Unload command
++ * @chip_num: TPM chip to use
++ * @payload: the key data in clear and encrypted form
++ * @options: authentication values and other options
++ *
++ * Return: same as with tpm_transmit_cmd
++ */
++static int tpm2_unseal_cmd(struct tpm_chip *chip,
++                         struct trusted_key_payload *payload,
++                         struct trusted_key_options *options,
++                         u32 blob_handle, unsigned int flags)
+ {
+       struct tpm_buf buf;
+       u16 data_len;
+@@ -635,7 +661,7 @@ static int tpm2_unseal(struct tpm_chip *chip,
+                            options->blobauth /* hmac */,
+                            TPM_DIGEST_SIZE);
+ 
+-      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "unsealing");
++      rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, flags, "unsealing");
+       if (rc > 0)
+               rc = -EPERM;
+ 
+@@ -654,12 +680,12 @@ static int tpm2_unseal(struct tpm_chip *chip,
+ }
+ 
+ /**
+- * tpm_unseal_trusted() - unseal a trusted key
+- * @chip_num: A specific chip number for the request or TPM_ANY_NUM
+- * @options: authentication values and other options
++ * tpm_unseal_trusted() - unseal the payload of a trusted key
++ * @chip_num: TPM chip to use
+  * @payload: the key data in clear and encrypted form
++ * @options: authentication values and other options
+  *
+- * Returns < 0 on error and 0 on success.
++ * Return: < 0 on error and 0 on success.
+  */
+ int tpm2_unseal_trusted(struct tpm_chip *chip,
+                       struct trusted_key_payload *payload,
+@@ -668,14 +694,17 @@ int tpm2_unseal_trusted(struct tpm_chip *chip,
+       u32 blob_handle;
+       int rc;
+ 
+-      rc = tpm2_load(chip, payload, options, &blob_handle);
++      mutex_lock(&chip->tpm_mutex);
++      rc = tpm2_load_cmd(chip, payload, options, &blob_handle,
++                         TPM_TRANSMIT_UNLOCKED);
+       if (rc)
+-              return rc;
+-
+-      rc = tpm2_unseal(chip, payload, options, blob_handle);
+-
+-      tpm2_flush_context(chip, blob_handle);
++              goto out;
+ 
++      rc = tpm2_unseal_cmd(chip, payload, options, blob_handle,
++                           TPM_TRANSMIT_UNLOCKED);
++      tpm2_flush_context_cmd(chip, blob_handle, TPM_TRANSMIT_UNLOCKED);
++out:
++      mutex_unlock(&chip->tpm_mutex);
+       return rc;
+ }
+ 
+@@ -701,7 +730,7 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 
property_id,  u32 *value,
+       cmd.params.get_tpm_pt_in.property_id = cpu_to_be32(property_id);
+       cmd.params.get_tpm_pt_in.property_cnt = cpu_to_be32(1);
+ 
+-      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), desc);
++      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0, desc);
+       if (!rc)
+               *value = be32_to_cpu(cmd.params.get_tpm_pt_out.value);
+ 
+@@ -735,7 +764,7 @@ static int tpm2_startup(struct tpm_chip *chip, u16 
startup_type)
+       cmd.header.in = tpm2_startup_header;
+ 
+       cmd.params.startup_in.startup_type = cpu_to_be16(startup_type);
+-      return tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
++      return tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
+                               "attempting to start the TPM");
+ }
+ 
+@@ -763,7 +792,7 @@ void tpm2_shutdown(struct tpm_chip *chip, u16 
shutdown_type)
+       cmd.header.in = tpm2_shutdown_header;
+       cmd.params.startup_in.startup_type = cpu_to_be16(shutdown_type);
+ 
+-      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), "stopping the TPM");
++      rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0, "stopping the TPM");
+ 
+       /* In places where shutdown command is sent there's no much we can do
+        * except print the error code on a system failure.
+@@ -828,7 +857,7 @@ static int tpm2_start_selftest(struct tpm_chip *chip, bool 
full)
+       cmd.header.in = tpm2_selftest_header;
+       cmd.params.selftest_in.full_test = full;
+ 
+-      rc = tpm_transmit_cmd(chip, &cmd, TPM2_SELF_TEST_IN_SIZE,
++      rc = tpm_transmit_cmd(chip, &cmd, TPM2_SELF_TEST_IN_SIZE, 0,
+                             "continue selftest");
+ 
+       /* At least some prototype chips seem to give RC_TESTING error
+@@ -880,7 +909,7 @@ static int tpm2_do_selftest(struct tpm_chip *chip)
+               cmd.params.pcrread_in.pcr_select[1] = 0x00;
+               cmd.params.pcrread_in.pcr_select[2] = 0x00;
+ 
+-              rc = tpm_transmit_cmd(chip, (u8 *) &cmd, sizeof(cmd), NULL);
++              rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0, NULL);
+               if (rc < 0)
+                       break;
+ 
+@@ -928,7 +957,7 @@ int tpm2_probe(struct tpm_chip *chip)
+       cmd.params.get_tpm_pt_in.property_id = cpu_to_be32(0x100);
+       cmd.params.get_tpm_pt_in.property_cnt = cpu_to_be32(1);
+ 
+-      rc = tpm_transmit(chip, (const char *) &cmd, sizeof(cmd));
++      rc = tpm_transmit(chip, (const u8 *)&cmd, sizeof(cmd), 0);
+       if (rc <  0)
+               return rc;
+       else if (rc < TPM_HEADER_SIZE)
+diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
+index 018c382554ba..1801f382377e 100644
+--- a/drivers/char/tpm/tpm_crb.c
++++ b/drivers/char/tpm/tpm_crb.c
+@@ -142,6 +142,11 @@ static int crb_send(struct tpm_chip *chip, u8 *buf, 
size_t len)
+       struct crb_priv *priv = dev_get_drvdata(&chip->dev);
+       int rc = 0;
+ 
++      /* Zero the cancel register so that the next command will not get
++       * canceled.
++       */
++      iowrite32(0, &priv->cca->cancel);
++
+       if (len > ioread32(&priv->cca->cmd_size)) {
+               dev_err(&chip->dev,
+                       "invalid command count value %x %zx\n",
+@@ -175,8 +180,6 @@ static void crb_cancel(struct tpm_chip *chip)
+ 
+       if ((priv->flags & CRB_FL_ACPI_START) && crb_do_acpi_start(chip))
+               dev_err(&chip->dev, "ACPI Start failed\n");
+-
+-      iowrite32(0, &priv->cca->cancel);
+ }
+ 
+ static bool crb_req_canceled(struct tpm_chip *chip, u8 status)
+diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c
+index 4ba3d3fe142f..f440d385ed34 100644
+--- a/drivers/cpuidle/cpuidle-arm.c
++++ b/drivers/cpuidle/cpuidle-arm.c
+@@ -121,6 +121,7 @@ static int __init arm_idle_init(void)
+               dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+               if (!dev) {
+                       pr_err("Failed to allocate cpuidle device\n");
++                      ret = -ENOMEM;
+                       goto out_fail;
+               }
+               dev->cpu = cpu;
+diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
+index 2d1fb6420592..580f4f280d6b 100644
+--- a/drivers/mfd/Kconfig
++++ b/drivers/mfd/Kconfig
+@@ -1549,6 +1549,7 @@ config MFD_WM8350
+ config MFD_WM8350_I2C
+       bool "Wolfson Microelectronics WM8350 with I2C"
+       select MFD_WM8350
++      select REGMAP_I2C
+       depends on I2C=y
+       help
+         The WM8350 is an integrated audio and power management
+diff --git a/drivers/mfd/atmel-hlcdc.c b/drivers/mfd/atmel-hlcdc.c
+index eca7ea69b81c..4b15b0840f16 100644
+--- a/drivers/mfd/atmel-hlcdc.c
++++ b/drivers/mfd/atmel-hlcdc.c
+@@ -50,8 +50,9 @@ static int regmap_atmel_hlcdc_reg_write(void *context, 
unsigned int reg,
+       if (reg <= ATMEL_HLCDC_DIS) {
+               u32 status;
+ 
+-              readl_poll_timeout(hregmap->regs + ATMEL_HLCDC_SR, status,
+-                                 !(status & ATMEL_HLCDC_SIP), 1, 100);
++              readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR,
++                                        status, !(status & ATMEL_HLCDC_SIP),
++                                        1, 100);
+       }
+ 
+       writel(val, hregmap->regs + reg);
+diff --git a/drivers/mfd/rtsx_usb.c b/drivers/mfd/rtsx_usb.c
+index dbd907d7170e..691dab791f7a 100644
+--- a/drivers/mfd/rtsx_usb.c
++++ b/drivers/mfd/rtsx_usb.c
+@@ -46,9 +46,6 @@ static void rtsx_usb_sg_timed_out(unsigned long data)
+ 
+       dev_dbg(&ucr->pusb_intf->dev, "%s: sg transfer timed out", __func__);
+       usb_sg_cancel(&ucr->current_sg);
+-
+-      /* we know the cancellation is caused by time-out */
+-      ucr->current_sg.status = -ETIMEDOUT;
+ }
+ 
+ static int rtsx_usb_bulk_transfer_sglist(struct rtsx_ucr *ucr,
+@@ -67,12 +64,15 @@ static int rtsx_usb_bulk_transfer_sglist(struct rtsx_ucr 
*ucr,
+       ucr->sg_timer.expires = jiffies + msecs_to_jiffies(timeout);
+       add_timer(&ucr->sg_timer);
+       usb_sg_wait(&ucr->current_sg);
+-      del_timer_sync(&ucr->sg_timer);
++      if (!del_timer_sync(&ucr->sg_timer))
++              ret = -ETIMEDOUT;
++      else
++              ret = ucr->current_sg.status;
+ 
+       if (act_len)
+               *act_len = ucr->current_sg.bytes;
+ 
+-      return ucr->current_sg.status;
++      return ret;
+ }
+ 
+ int rtsx_usb_transfer_data(struct rtsx_ucr *ucr, unsigned int pipe,
+diff --git a/drivers/pci/pci-mid.c b/drivers/pci/pci-mid.c
+index c878aa71173b..55f453de562e 100644
+--- a/drivers/pci/pci-mid.c
++++ b/drivers/pci/pci-mid.c
+@@ -60,8 +60,13 @@ static struct pci_platform_pm_ops mid_pci_platform_pm = {
+ 
+ #define ICPU(model)   { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, }
+ 
++/*
++ * This table should be in sync with the one in
++ * arch/x86/platform/intel-mid/pwr.c.
++ */
+ static const struct x86_cpu_id lpss_cpu_ids[] = {
+-      ICPU(INTEL_FAM6_ATOM_MERRIFIELD1),
++      ICPU(INTEL_FAM6_ATOM_PENWELL),
++      ICPU(INTEL_FAM6_ATOM_MERRIFIELD),
+       {}
+ };
+ 
+diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
+index 8c7eb335622e..4d74ca9186c7 100644
+--- a/drivers/phy/phy-sun4i-usb.c
++++ b/drivers/phy/phy-sun4i-usb.c
+@@ -40,6 +40,7 @@
+ #include <linux/power_supply.h>
+ #include <linux/regulator/consumer.h>
+ #include <linux/reset.h>
++#include <linux/spinlock.h>
+ #include <linux/usb/of.h>
+ #include <linux/workqueue.h>
+ 
+@@ -112,7 +113,7 @@ struct sun4i_usb_phy_data {
+       void __iomem *base;
+       const struct sun4i_usb_phy_cfg *cfg;
+       enum usb_dr_mode dr_mode;
+-      struct mutex mutex;
++      spinlock_t reg_lock; /* guard access to phyctl reg */
+       struct sun4i_usb_phy {
+               struct phy *phy;
+               void __iomem *pmu;
+@@ -179,9 +180,10 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy 
*phy, u32 addr, u32 data,
+       struct sun4i_usb_phy_data *phy_data = to_sun4i_usb_phy_data(phy);
+       u32 temp, usbc_bit = BIT(phy->index * 2);
+       void __iomem *phyctl = phy_data->base + phy_data->cfg->phyctl_offset;
++      unsigned long flags;
+       int i;
+ 
+-      mutex_lock(&phy_data->mutex);
++      spin_lock_irqsave(&phy_data->reg_lock, flags);
+ 
+       if (phy_data->cfg->type == sun8i_a33_phy) {
+               /* A33 needs us to set phyctl to 0 explicitly */
+@@ -218,7 +220,8 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, 
u32 addr, u32 data,
+ 
+               data >>= 1;
+       }
+-      mutex_unlock(&phy_data->mutex);
++
++      spin_unlock_irqrestore(&phy_data->reg_lock, flags);
+ }
+ 
+ static void sun4i_usb_phy_passby(struct sun4i_usb_phy *phy, int enable)
+@@ -577,7 +580,7 @@ static int sun4i_usb_phy_probe(struct platform_device 
*pdev)
+       if (!data)
+               return -ENOMEM;
+ 
+-      mutex_init(&data->mutex);
++      spin_lock_init(&data->reg_lock);
+       INIT_DELAYED_WORK(&data->detect, sun4i_usb_phy0_id_vbus_det_scan);
+       dev_set_drvdata(dev, data);
+       data->cfg = of_device_get_match_data(dev);
+diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
+index fbab29dfa793..243b233ff31b 100644
+--- a/drivers/powercap/intel_rapl.c
++++ b/drivers/powercap/intel_rapl.c
+@@ -1154,8 +1154,8 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {
+ 
+       RAPL_CPU(INTEL_FAM6_ATOM_SILVERMONT1,   rapl_defaults_byt),
+       RAPL_CPU(INTEL_FAM6_ATOM_AIRMONT,       rapl_defaults_cht),
+-      RAPL_CPU(INTEL_FAM6_ATOM_MERRIFIELD1,   rapl_defaults_tng),
+-      RAPL_CPU(INTEL_FAM6_ATOM_MERRIFIELD2,   rapl_defaults_ann),
++      RAPL_CPU(INTEL_FAM6_ATOM_MERRIFIELD,    rapl_defaults_tng),
++      RAPL_CPU(INTEL_FAM6_ATOM_MOOREFIELD,    rapl_defaults_ann),
+       RAPL_CPU(INTEL_FAM6_ATOM_GOLDMONT,      rapl_defaults_core),
+       RAPL_CPU(INTEL_FAM6_ATOM_DENVERTON,     rapl_defaults_core),
+ 
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index 122e64df2f4d..68544618982e 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -348,7 +348,8 @@ static int dwc3_send_clear_stall_ep_cmd(struct dwc3_ep 
*dep)
+        * IN transfers due to a mishandled error condition. Synopsys
+        * STAR 9000614252.
+        */
+-      if (dep->direction && (dwc->revision >= DWC3_REVISION_260A))
++      if (dep->direction && (dwc->revision >= DWC3_REVISION_260A) &&
++          (dwc->gadget.speed >= USB_SPEED_SUPER))
+               cmd |= DWC3_DEPCMD_CLEARPENDIN;
+ 
+       memset(&params, 0, sizeof(params));
+diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
+index ef2d8cde6ef7..8c5f0115166a 100644
+--- a/drivers/usb/storage/usb.c
++++ b/drivers/usb/storage/usb.c
+@@ -1070,17 +1070,17 @@ int usb_stor_probe2(struct us_data *us)
+       result = usb_stor_acquire_resources(us);
+       if (result)
+               goto BadDevice;
++      usb_autopm_get_interface_no_resume(us->pusb_intf);
+       snprintf(us->scsi_name, sizeof(us->scsi_name), "usb-storage %s",
+                                       dev_name(&us->pusb_intf->dev));
+       result = scsi_add_host(us_to_host(us), dev);
+       if (result) {
+               dev_warn(dev,
+                               "Unable to add the scsi host\n");
+-              goto BadDevice;
++              goto HostAddErr;
+       }
+ 
+       /* Submit the delayed_work for SCSI-device scanning */
+-      usb_autopm_get_interface_no_resume(us->pusb_intf);
+       set_bit(US_FLIDX_SCAN_PENDING, &us->dflags);
+ 
+       if (delay_use > 0)
+@@ -1090,6 +1090,8 @@ int usb_stor_probe2(struct us_data *us)
+       return 0;
+ 
+       /* We come here if there are any problems */
++HostAddErr:
++      usb_autopm_put_interface_no_suspend(us->pusb_intf);
+ BadDevice:
+       usb_stor_dbg(us, "storage_probe() failed\n");
+       release_everything(us);
+diff --git a/include/linux/mfd/88pm80x.h b/include/linux/mfd/88pm80x.h
+index d409ceb2231e..c118a7ec94d6 100644
+--- a/include/linux/mfd/88pm80x.h
++++ b/include/linux/mfd/88pm80x.h
+@@ -350,7 +350,7 @@ static inline int pm80x_dev_suspend(struct device *dev)
+       int irq = platform_get_irq(pdev, 0);
+ 
+       if (device_may_wakeup(dev))
+-              set_bit((1 << irq), &chip->wu_flag);
++              set_bit(irq, &chip->wu_flag);
+ 
+       return 0;
+ }
+@@ -362,7 +362,7 @@ static inline int pm80x_dev_resume(struct device *dev)
+       int irq = platform_get_irq(pdev, 0);
+ 
+       if (device_may_wakeup(dev))
+-              clear_bit((1 << irq), &chip->wu_flag);
++              clear_bit(irq, &chip->wu_flag);
+ 
+       return 0;
+ }
+diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
+index e07fb093f819..37dec7e3db43 100644
+--- a/kernel/time/timekeeping.c
++++ b/kernel/time/timekeeping.c
+@@ -403,8 +403,11 @@ static __always_inline u64 __ktime_get_fast_ns(struct 
tk_fast *tkf)
+               tkr = tkf->base + (seq & 0x01);
+               now = ktime_to_ns(tkr->base);
+ 
+-              now += clocksource_delta(tkr->read(tkr->clock),
+-                                       tkr->cycle_last, tkr->mask);
++              now += timekeeping_delta_to_ns(tkr,
++                              clocksource_delta(
++                                      tkr->read(tkr->clock),
++                                      tkr->cycle_last,
++                                      tkr->mask));
+       } while (read_seqcount_retry(&tkf->seq, seq));
+ 
+       return now;
+diff --git a/security/integrity/ima/ima_appraise.c 
b/security/integrity/ima/ima_appraise.c
+index 4b9b4a4e1b89..ef1e4e701780 100644
+--- a/security/integrity/ima/ima_appraise.c
++++ b/security/integrity/ima/ima_appraise.c
+@@ -190,7 +190,7 @@ int ima_appraise_measurement(enum ima_hooks func,
+ {
+       static const char op[] = "appraise_data";
+       char *cause = "unknown";
+-      struct dentry *dentry = file->f_path.dentry;
++      struct dentry *dentry = file_dentry(file);
+       struct inode *inode = d_backing_inode(dentry);
+       enum integrity_status status = INTEGRITY_UNKNOWN;
+       int rc = xattr_len, hash_start = 0;
+@@ -295,7 +295,7 @@ out:
+  */
+ void ima_update_xattr(struct integrity_iint_cache *iint, struct file *file)
+ {
+-      struct dentry *dentry = file->f_path.dentry;
++      struct dentry *dentry = file_dentry(file);
+       int rc = 0;
+ 
+       /* do not collect and update hash for digital signatures */
+diff --git a/security/integrity/ima/ima_main.c 
b/security/integrity/ima/ima_main.c
+index 596ef616ac21..423d111b3b94 100644
+--- a/security/integrity/ima/ima_main.c
++++ b/security/integrity/ima/ima_main.c
+@@ -228,7 +228,7 @@ static int process_measurement(struct file *file, char 
*buf, loff_t size,
+       if ((action & IMA_APPRAISE_SUBMASK) ||
+                   strcmp(template_desc->name, IMA_TEMPLATE_IMA_NAME) != 0)
+               /* read 'security.ima' */
+-              xattr_len = ima_read_xattr(file->f_path.dentry, &xattr_value);
++              xattr_len = ima_read_xattr(file_dentry(file), &xattr_value);
+ 
+       hash_algo = ima_get_hash_algo(xattr_value, xattr_len);
+ 
+diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
+index 36470af7eda7..92b819e4f729 100644
+--- a/sound/pci/ali5451/ali5451.c
++++ b/sound/pci/ali5451/ali5451.c
+@@ -1408,6 +1408,7 @@ snd_ali_playback_pointer(struct snd_pcm_substream 
*substream)
+       spin_unlock(&codec->reg_lock);
+       dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);
+ 
++      cso %= runtime->buffer_size;
+       return cso;
+ }
+ 
+@@ -1428,6 +1429,7 @@ static snd_pcm_uframes_t snd_ali_pointer(struct 
snd_pcm_substream *substream)
+       cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
+       spin_unlock(&codec->reg_lock);
+ 
++      cso %= runtime->buffer_size;
+       return cso;
+ }
+ 
+diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
+index 81b7da8e56d3..183311cb849e 100644
+--- a/sound/usb/line6/driver.c
++++ b/sound/usb/line6/driver.c
+@@ -29,7 +29,7 @@
+ /*
+       This is Line 6's MIDI manufacturer ID.
+ */
+-const unsigned char line6_midi_id[] = {
++const unsigned char line6_midi_id[3] = {
+       0x00, 0x01, 0x0c
+ };
+ EXPORT_SYMBOL_GPL(line6_midi_id);
+diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
+index f6c3bf79af9a..04991b009132 100644
+--- a/sound/usb/mixer_quirks.c
++++ b/sound/usb/mixer_quirks.c
+@@ -1831,6 +1831,7 @@ void snd_usb_mixer_rc_memory_change(struct 
usb_mixer_interface *mixer,
+ }
+ 
+ static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
++                                       struct usb_mixer_elem_info *cval,
+                                        struct snd_kcontrol *kctl)
+ {
+       /* Approximation using 10 ranges based on output measurement on hw v1.2.
+@@ -1848,10 +1849,19 @@ static void snd_dragonfly_quirk_db_scale(struct 
usb_mixer_interface *mixer,
+               41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
+       );
+ 
+-      usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk\n");
+-      kctl->tlv.p = scale;
+-      kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+-      kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
++      if (cval->min == 0 && cval->max == 50) {
++              usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk 
(0-50 variant)\n");
++              kctl->tlv.p = scale;
++              kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
++              kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
++
++      } else if (cval->min == 0 && cval->max <= 1000) {
++              /* Some other clearly broken DragonFly variant.
++               * At least a 0..53 variant (hw v1.0) exists.
++               */
++              usb_audio_info(mixer->chip, "ignoring too narrow dB range on a 
DragonFly device");
++              kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
++      }
+ }
+ 
+ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
+@@ -1860,8 +1870,8 @@ void snd_usb_mixer_fu_apply_quirk(struct 
usb_mixer_interface *mixer,
+ {
+       switch (mixer->chip->usb_id) {
+       case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
+-              if (unitid == 7 && cval->min == 0 && cval->max == 50)
+-                      snd_dragonfly_quirk_db_scale(mixer, kctl);
++              if (unitid == 7 && cval->control == UAC_FU_VOLUME)
++                      snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
+               break;
+       }
+ }
+diff --git a/virt/kvm/arm/pmu.c b/virt/kvm/arm/pmu.c
+index a027569facfa..6e9c40eea208 100644
+--- a/virt/kvm/arm/pmu.c
++++ b/virt/kvm/arm/pmu.c
+@@ -423,6 +423,14 @@ static int kvm_arm_pmu_v3_init(struct kvm_vcpu *vcpu)
+       if (!kvm_arm_support_pmu_v3())
+               return -ENODEV;
+ 
++      /*
++       * We currently require an in-kernel VGIC to use the PMU emulation,
++       * because we do not support forwarding PMU overflow interrupts to
++       * userspace yet.
++       */
++      if (!irqchip_in_kernel(vcpu->kvm) || !vgic_initialized(vcpu->kvm))
++              return -ENODEV;
++
+       if (!test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features) ||
+           !kvm_arm_pmu_irq_initialized(vcpu))
+               return -ENXIO;
+diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
+index e83b7fe4baae..b465ac6d5d48 100644
+--- a/virt/kvm/arm/vgic/vgic.c
++++ b/virt/kvm/arm/vgic/vgic.c
+@@ -645,6 +645,9 @@ next:
+ /* Sync back the hardware VGIC state into our emulation after a guest's run. 
*/
+ void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
+ {
++      if (unlikely(!vgic_initialized(vcpu->kvm)))
++              return;
++
+       vgic_process_maintenance_interrupt(vcpu);
+       vgic_fold_lr_state(vcpu);
+       vgic_prune_ap_list(vcpu);
+@@ -653,6 +656,9 @@ void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
+ /* Flush our emulation state into the GIC hardware before entering the guest. 
*/
+ void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu)
+ {
++      if (unlikely(!vgic_initialized(vcpu->kvm)))
++              return;
++
+       spin_lock(&vcpu->arch.vgic_cpu.ap_list_lock);
+       vgic_flush_lr_state(vcpu);
+       spin_unlock(&vcpu->arch.vgic_cpu.ap_list_lock);

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