Linux-libre 4.2-gnu

7 files changed, 41 insertions, 689 deletions

diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h
index 960a8a9dc..0f457e6ea 100644
--- a/arch/x86/include/uapi/asm/e820.h
+++ b/arch/x86/include/uapi/asm/e820.h
@@ -32,6 +32,7 @@
 #define E820_ACPI	3
 #define E820_NVS	4
 #define E820_UNUSABLE	5
+#define E820_PMEM	7
 
 /*
  * This is a non-standardized way to represent ADR or NVDIMM regions that
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index ce6068dbc..f36d56bd7 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -108,6 +108,8 @@
 #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE		(1 << 4)
 /* Support for a virtual guest idle state is available */
 #define HV_X64_GUEST_IDLE_STATE_AVAILABLE		(1 << 5)
+/* Guest crash data handler available */
+#define HV_X64_GUEST_CRASH_MSR_AVAILABLE		(1 << 10)
 
 /*
  * Implementation recommendations. Indicates which behaviors the hypervisor
@@ -199,6 +201,17 @@
 #define HV_X64_MSR_STIMER3_CONFIG		0x400000B6
 #define HV_X64_MSR_STIMER3_COUNT		0x400000B7
 
+/* Hyper-V guest crash notification MSR's */
+#define HV_X64_MSR_CRASH_P0			0x40000100
+#define HV_X64_MSR_CRASH_P1			0x40000101
+#define HV_X64_MSR_CRASH_P2			0x40000102
+#define HV_X64_MSR_CRASH_P3			0x40000103
+#define HV_X64_MSR_CRASH_P4			0x40000104
+#define HV_X64_MSR_CRASH_CTL			0x40000105
+#define HV_X64_MSR_CRASH_CTL_NOTIFY		(1ULL << 63)
+#define HV_X64_MSR_CRASH_PARAMS		\
+		(1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0))
+
 #define HV_X64_MSR_HYPERCALL_ENABLE		0x00000001
 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT	12
 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK	\
diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index d7dcef58a..cd54147cb 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -106,6 +106,8 @@ struct kvm_ioapic_state {
 #define KVM_IRQCHIP_IOAPIC       2
 #define KVM_NR_IRQCHIPS          3
 
+#define KVM_RUN_X86_SMM		 (1 << 0)
+
 /* for KVM_GET_REGS and KVM_SET_REGS */
 struct kvm_regs {
 	/* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
@@ -281,6 +283,7 @@ struct kvm_reinject_control {
 #define KVM_VCPUEVENT_VALID_NMI_PENDING	0x00000001
 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR	0x00000002
 #define KVM_VCPUEVENT_VALID_SHADOW	0x00000004
+#define KVM_VCPUEVENT_VALID_SMM		0x00000008
 
 /* Interrupt shadow states */
 #define KVM_X86_SHADOW_INT_MOV_SS	0x01
@@ -309,7 +312,13 @@ struct kvm_vcpu_events {
 	} nmi;
 	__u32 sipi_vector;
 	__u32 flags;
-	__u32 reserved[10];
+	struct {
+		__u8 smm;
+		__u8 pending;
+		__u8 smm_inside_nmi;
+		__u8 latched_init;
+	} smi;
+	__u32 reserved[9];
 };
 
 /* for KVM_GET/SET_DEBUGREGS */
@@ -345,4 +354,7 @@ struct kvm_xcrs {
 struct kvm_sync_regs {
 };
 
+#define KVM_X86_QUIRK_LINT0_REENABLED	(1 << 0)
+#define KVM_X86_QUIRK_CD_NW_CLEARED	(1 << 1)
+
 #endif /* _ASM_X86_KVM_H */
diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h
deleted file mode 100644
index 3c6bb342a..000000000
--- a/arch/x86/include/uapi/asm/msr-index.h
+++ /dev/null
@@ -1,663 +0,0 @@
-#ifndef _ASM_X86_MSR_INDEX_H
-#define _ASM_X86_MSR_INDEX_H
-
-/* CPU model specific register (MSR) numbers */
-
-/* x86-64 specific MSRs */
-#define MSR_EFER		0xc0000080 /* extended feature register */
-#define MSR_STAR		0xc0000081 /* legacy mode SYSCALL target */
-#define MSR_LSTAR		0xc0000082 /* long mode SYSCALL target */
-#define MSR_CSTAR		0xc0000083 /* compat mode SYSCALL target */
-#define MSR_SYSCALL_MASK	0xc0000084 /* EFLAGS mask for syscall */
-#define MSR_FS_BASE		0xc0000100 /* 64bit FS base */
-#define MSR_GS_BASE		0xc0000101 /* 64bit GS base */
-#define MSR_KERNEL_GS_BASE	0xc0000102 /* SwapGS GS shadow */
-#define MSR_TSC_AUX		0xc0000103 /* Auxiliary TSC */
-
-/* EFER bits: */
-#define _EFER_SCE		0  /* SYSCALL/SYSRET */
-#define _EFER_LME		8  /* Long mode enable */
-#define _EFER_LMA		10 /* Long mode active (read-only) */
-#define _EFER_NX		11 /* No execute enable */
-#define _EFER_SVME		12 /* Enable virtualization */
-#define _EFER_LMSLE		13 /* Long Mode Segment Limit Enable */
-#define _EFER_FFXSR		14 /* Enable Fast FXSAVE/FXRSTOR */
-
-#define EFER_SCE		(1<<_EFER_SCE)
-#define EFER_LME		(1<<_EFER_LME)
-#define EFER_LMA		(1<<_EFER_LMA)
-#define EFER_NX			(1<<_EFER_NX)
-#define EFER_SVME		(1<<_EFER_SVME)
-#define EFER_LMSLE		(1<<_EFER_LMSLE)
-#define EFER_FFXSR		(1<<_EFER_FFXSR)
-
-/* Intel MSRs. Some also available on other CPUs */
-#define MSR_IA32_PERFCTR0		0x000000c1
-#define MSR_IA32_PERFCTR1		0x000000c2
-#define MSR_FSB_FREQ			0x000000cd
-#define MSR_NHM_PLATFORM_INFO		0x000000ce
-
-#define MSR_NHM_SNB_PKG_CST_CFG_CTL	0x000000e2
-#define NHM_C3_AUTO_DEMOTE		(1UL << 25)
-#define NHM_C1_AUTO_DEMOTE		(1UL << 26)
-#define ATM_LNC_C6_AUTO_DEMOTE		(1UL << 25)
-#define SNB_C1_AUTO_UNDEMOTE		(1UL << 27)
-#define SNB_C3_AUTO_UNDEMOTE		(1UL << 28)
-
-#define MSR_PLATFORM_INFO		0x000000ce
-#define MSR_MTRRcap			0x000000fe
-#define MSR_IA32_BBL_CR_CTL		0x00000119
-#define MSR_IA32_BBL_CR_CTL3		0x0000011e
-
-#define MSR_IA32_SYSENTER_CS		0x00000174
-#define MSR_IA32_SYSENTER_ESP		0x00000175
-#define MSR_IA32_SYSENTER_EIP		0x00000176
-
-#define MSR_IA32_MCG_CAP		0x00000179
-#define MSR_IA32_MCG_STATUS		0x0000017a
-#define MSR_IA32_MCG_CTL		0x0000017b
-
-#define MSR_OFFCORE_RSP_0		0x000001a6
-#define MSR_OFFCORE_RSP_1		0x000001a7
-#define MSR_NHM_TURBO_RATIO_LIMIT	0x000001ad
-#define MSR_IVT_TURBO_RATIO_LIMIT	0x000001ae
-#define MSR_TURBO_RATIO_LIMIT		0x000001ad
-#define MSR_TURBO_RATIO_LIMIT1		0x000001ae
-#define MSR_TURBO_RATIO_LIMIT2		0x000001af
-
-#define MSR_LBR_SELECT			0x000001c8
-#define MSR_LBR_TOS			0x000001c9
-#define MSR_LBR_NHM_FROM		0x00000680
-#define MSR_LBR_NHM_TO			0x000006c0
-#define MSR_LBR_CORE_FROM		0x00000040
-#define MSR_LBR_CORE_TO			0x00000060
-
-#define MSR_IA32_PEBS_ENABLE		0x000003f1
-#define MSR_IA32_DS_AREA		0x00000600
-#define MSR_IA32_PERF_CAPABILITIES	0x00000345
-#define MSR_PEBS_LD_LAT_THRESHOLD	0x000003f6
-
-#define MSR_IA32_RTIT_CTL		0x00000570
-#define RTIT_CTL_TRACEEN		BIT(0)
-#define RTIT_CTL_OS			BIT(2)
-#define RTIT_CTL_USR			BIT(3)
-#define RTIT_CTL_CR3EN			BIT(7)
-#define RTIT_CTL_TOPA			BIT(8)
-#define RTIT_CTL_TSC_EN			BIT(10)
-#define RTIT_CTL_DISRETC		BIT(11)
-#define RTIT_CTL_BRANCH_EN		BIT(13)
-#define MSR_IA32_RTIT_STATUS		0x00000571
-#define RTIT_STATUS_CONTEXTEN		BIT(1)
-#define RTIT_STATUS_TRIGGEREN		BIT(2)
-#define RTIT_STATUS_ERROR		BIT(4)
-#define RTIT_STATUS_STOPPED		BIT(5)
-#define MSR_IA32_RTIT_CR3_MATCH		0x00000572
-#define MSR_IA32_RTIT_OUTPUT_BASE	0x00000560
-#define MSR_IA32_RTIT_OUTPUT_MASK	0x00000561
-
-#define MSR_MTRRfix64K_00000		0x00000250
-#define MSR_MTRRfix16K_80000		0x00000258
-#define MSR_MTRRfix16K_A0000		0x00000259
-#define MSR_MTRRfix4K_C0000		0x00000268
-#define MSR_MTRRfix4K_C8000		0x00000269
-#define MSR_MTRRfix4K_D0000		0x0000026a
-#define MSR_MTRRfix4K_D8000		0x0000026b
-#define MSR_MTRRfix4K_E0000		0x0000026c
-#define MSR_MTRRfix4K_E8000		0x0000026d
-#define MSR_MTRRfix4K_F0000		0x0000026e
-#define MSR_MTRRfix4K_F8000		0x0000026f
-#define MSR_MTRRdefType			0x000002ff
-
-#define MSR_IA32_CR_PAT			0x00000277
-
-#define MSR_IA32_DEBUGCTLMSR		0x000001d9
-#define MSR_IA32_LASTBRANCHFROMIP	0x000001db
-#define MSR_IA32_LASTBRANCHTOIP		0x000001dc
-#define MSR_IA32_LASTINTFROMIP		0x000001dd
-#define MSR_IA32_LASTINTTOIP		0x000001de
-
-/* DEBUGCTLMSR bits (others vary by model): */
-#define DEBUGCTLMSR_LBR			(1UL <<  0) /* last branch recording */
-#define DEBUGCTLMSR_BTF			(1UL <<  1) /* single-step on branches */
-#define DEBUGCTLMSR_TR			(1UL <<  6)
-#define DEBUGCTLMSR_BTS			(1UL <<  7)
-#define DEBUGCTLMSR_BTINT		(1UL <<  8)
-#define DEBUGCTLMSR_BTS_OFF_OS		(1UL <<  9)
-#define DEBUGCTLMSR_BTS_OFF_USR		(1UL << 10)
-#define DEBUGCTLMSR_FREEZE_LBRS_ON_PMI	(1UL << 11)
-
-#define MSR_IA32_POWER_CTL		0x000001fc
-
-#define MSR_IA32_MC0_CTL		0x00000400
-#define MSR_IA32_MC0_STATUS		0x00000401
-#define MSR_IA32_MC0_ADDR		0x00000402
-#define MSR_IA32_MC0_MISC		0x00000403
-
-/* C-state Residency Counters */
-#define MSR_PKG_C3_RESIDENCY		0x000003f8
-#define MSR_PKG_C6_RESIDENCY		0x000003f9
-#define MSR_PKG_C7_RESIDENCY		0x000003fa
-#define MSR_CORE_C3_RESIDENCY		0x000003fc
-#define MSR_CORE_C6_RESIDENCY		0x000003fd
-#define MSR_CORE_C7_RESIDENCY		0x000003fe
-#define MSR_KNL_CORE_C6_RESIDENCY	0x000003ff
-#define MSR_PKG_C2_RESIDENCY		0x0000060d
-#define MSR_PKG_C8_RESIDENCY		0x00000630
-#define MSR_PKG_C9_RESIDENCY		0x00000631
-#define MSR_PKG_C10_RESIDENCY		0x00000632
-
-/* Run Time Average Power Limiting (RAPL) Interface */
-
-#define MSR_RAPL_POWER_UNIT		0x00000606
-
-#define MSR_PKG_POWER_LIMIT		0x00000610
-#define MSR_PKG_ENERGY_STATUS		0x00000611
-#define MSR_PKG_PERF_STATUS		0x00000613
-#define MSR_PKG_POWER_INFO		0x00000614
-
-#define MSR_DRAM_POWER_LIMIT		0x00000618
-#define MSR_DRAM_ENERGY_STATUS		0x00000619
-#define MSR_DRAM_PERF_STATUS		0x0000061b
-#define MSR_DRAM_POWER_INFO		0x0000061c
-
-#define MSR_PP0_POWER_LIMIT		0x00000638
-#define MSR_PP0_ENERGY_STATUS		0x00000639
-#define MSR_PP0_POLICY			0x0000063a
-#define MSR_PP0_PERF_STATUS		0x0000063b
-
-#define MSR_PP1_POWER_LIMIT		0x00000640
-#define MSR_PP1_ENERGY_STATUS		0x00000641
-#define MSR_PP1_POLICY			0x00000642
-
-#define MSR_PKG_WEIGHTED_CORE_C0_RES	0x00000658
-#define MSR_PKG_ANY_CORE_C0_RES		0x00000659
-#define MSR_PKG_ANY_GFXE_C0_RES		0x0000065A
-#define MSR_PKG_BOTH_CORE_GFXE_C0_RES	0x0000065B
-
-#define MSR_CORE_C1_RES			0x00000660
-
-#define MSR_CC6_DEMOTION_POLICY_CONFIG	0x00000668
-#define MSR_MC6_DEMOTION_POLICY_CONFIG	0x00000669
-
-#define MSR_CORE_PERF_LIMIT_REASONS	0x00000690
-#define MSR_GFX_PERF_LIMIT_REASONS	0x000006B0
-#define MSR_RING_PERF_LIMIT_REASONS	0x000006B1
-
-/* Hardware P state interface */
-#define MSR_PPERF			0x0000064e
-#define MSR_PERF_LIMIT_REASONS		0x0000064f
-#define MSR_PM_ENABLE			0x00000770
-#define MSR_HWP_CAPABILITIES		0x00000771
-#define MSR_HWP_REQUEST_PKG		0x00000772
-#define MSR_HWP_INTERRUPT		0x00000773
-#define MSR_HWP_REQUEST 		0x00000774
-#define MSR_HWP_STATUS			0x00000777
-
-/* CPUID.6.EAX */
-#define HWP_BASE_BIT			(1<<7)
-#define HWP_NOTIFICATIONS_BIT		(1<<8)
-#define HWP_ACTIVITY_WINDOW_BIT		(1<<9)
-#define HWP_ENERGY_PERF_PREFERENCE_BIT	(1<<10)
-#define HWP_PACKAGE_LEVEL_REQUEST_BIT	(1<<11)
-
-/* IA32_HWP_CAPABILITIES */
-#define HWP_HIGHEST_PERF(x)		(x & 0xff)
-#define HWP_GUARANTEED_PERF(x)		((x & (0xff << 8)) >>8)
-#define HWP_MOSTEFFICIENT_PERF(x)	((x & (0xff << 16)) >>16)
-#define HWP_LOWEST_PERF(x)		((x & (0xff << 24)) >>24)
-
-/* IA32_HWP_REQUEST */
-#define HWP_MIN_PERF(x) 		(x & 0xff)
-#define HWP_MAX_PERF(x) 		((x & 0xff) << 8)
-#define HWP_DESIRED_PERF(x)		((x & 0xff) << 16)
-#define HWP_ENERGY_PERF_PREFERENCE(x)	((x & 0xff) << 24)
-#define HWP_ACTIVITY_WINDOW(x)		((x & 0xff3) << 32)
-#define HWP_PACKAGE_CONTROL(x)		((x & 0x1) << 42)
-
-/* IA32_HWP_STATUS */
-#define HWP_GUARANTEED_CHANGE(x)	(x & 0x1)
-#define HWP_EXCURSION_TO_MINIMUM(x)	(x & 0x4)
-
-/* IA32_HWP_INTERRUPT */
-#define HWP_CHANGE_TO_GUARANTEED_INT(x)	(x & 0x1)
-#define HWP_EXCURSION_TO_MINIMUM_INT(x)	(x & 0x2)
-
-#define MSR_AMD64_MC0_MASK		0xc0010044
-
-#define MSR_IA32_MCx_CTL(x)		(MSR_IA32_MC0_CTL + 4*(x))
-#define MSR_IA32_MCx_STATUS(x)		(MSR_IA32_MC0_STATUS + 4*(x))
-#define MSR_IA32_MCx_ADDR(x)		(MSR_IA32_MC0_ADDR + 4*(x))
-#define MSR_IA32_MCx_MISC(x)		(MSR_IA32_MC0_MISC + 4*(x))
-
-#define MSR_AMD64_MCx_MASK(x)		(MSR_AMD64_MC0_MASK + (x))
-
-/* These are consecutive and not in the normal 4er MCE bank block */
-#define MSR_IA32_MC0_CTL2		0x00000280
-#define MSR_IA32_MCx_CTL2(x)		(MSR_IA32_MC0_CTL2 + (x))
-
-#define MSR_P6_PERFCTR0			0x000000c1
-#define MSR_P6_PERFCTR1			0x000000c2
-#define MSR_P6_EVNTSEL0			0x00000186
-#define MSR_P6_EVNTSEL1			0x00000187
-
-#define MSR_KNC_PERFCTR0               0x00000020
-#define MSR_KNC_PERFCTR1               0x00000021
-#define MSR_KNC_EVNTSEL0               0x00000028
-#define MSR_KNC_EVNTSEL1               0x00000029
-
-/* Alternative perfctr range with full access. */
-#define MSR_IA32_PMC0			0x000004c1
-
-/* AMD64 MSRs. Not complete. See the architecture manual for a more
-   complete list. */
-
-#define MSR_AMD64_PATCH_LEVEL		0x0000008b
-#define MSR_AMD64_TSC_RATIO		0xc0000104
-#define MSR_AMD64_NB_CFG		0xc001001f
-#define MSR_AMD64_PATCH_LOADER		0xc0010020
-#define MSR_AMD64_OSVW_ID_LENGTH	0xc0010140
-#define MSR_AMD64_OSVW_STATUS		0xc0010141
-#define MSR_AMD64_LS_CFG		0xc0011020
-#define MSR_AMD64_DC_CFG		0xc0011022
-#define MSR_AMD64_BU_CFG2		0xc001102a
-#define MSR_AMD64_IBSFETCHCTL		0xc0011030
-#define MSR_AMD64_IBSFETCHLINAD		0xc0011031
-#define MSR_AMD64_IBSFETCHPHYSAD	0xc0011032
-#define MSR_AMD64_IBSFETCH_REG_COUNT	3
-#define MSR_AMD64_IBSFETCH_REG_MASK	((1UL<<MSR_AMD64_IBSFETCH_REG_COUNT)-1)
-#define MSR_AMD64_IBSOPCTL		0xc0011033
-#define MSR_AMD64_IBSOPRIP		0xc0011034
-#define MSR_AMD64_IBSOPDATA		0xc0011035
-#define MSR_AMD64_IBSOPDATA2		0xc0011036
-#define MSR_AMD64_IBSOPDATA3		0xc0011037
-#define MSR_AMD64_IBSDCLINAD		0xc0011038
-#define MSR_AMD64_IBSDCPHYSAD		0xc0011039
-#define MSR_AMD64_IBSOP_REG_COUNT	7
-#define MSR_AMD64_IBSOP_REG_MASK	((1UL<<MSR_AMD64_IBSOP_REG_COUNT)-1)
-#define MSR_AMD64_IBSCTL		0xc001103a
-#define MSR_AMD64_IBSBRTARGET		0xc001103b
-#define MSR_AMD64_IBSOPDATA4		0xc001103d
-#define MSR_AMD64_IBS_REG_COUNT_MAX	8 /* includes MSR_AMD64_IBSBRTARGET */
-
-/* Fam 16h MSRs */
-#define MSR_F16H_L2I_PERF_CTL		0xc0010230
-#define MSR_F16H_L2I_PERF_CTR		0xc0010231
-#define MSR_F16H_DR1_ADDR_MASK		0xc0011019
-#define MSR_F16H_DR2_ADDR_MASK		0xc001101a
-#define MSR_F16H_DR3_ADDR_MASK		0xc001101b
-#define MSR_F16H_DR0_ADDR_MASK		0xc0011027
-
-/* Fam 15h MSRs */
-#define MSR_F15H_PERF_CTL		0xc0010200
-#define MSR_F15H_PERF_CTR		0xc0010201
-#define MSR_F15H_NB_PERF_CTL		0xc0010240
-#define MSR_F15H_NB_PERF_CTR		0xc0010241
-
-/* Fam 10h MSRs */
-#define MSR_FAM10H_MMIO_CONF_BASE	0xc0010058
-#define FAM10H_MMIO_CONF_ENABLE		(1<<0)
-#define FAM10H_MMIO_CONF_BUSRANGE_MASK	0xf
-#define FAM10H_MMIO_CONF_BUSRANGE_SHIFT 2
-#define FAM10H_MMIO_CONF_BASE_MASK	0xfffffffULL
-#define FAM10H_MMIO_CONF_BASE_SHIFT	20
-#define MSR_FAM10H_NODE_ID		0xc001100c
-
-/* K8 MSRs */
-#define MSR_K8_TOP_MEM1			0xc001001a
-#define MSR_K8_TOP_MEM2			0xc001001d
-#define MSR_K8_SYSCFG			0xc0010010
-#define MSR_K8_INT_PENDING_MSG		0xc0010055
-/* C1E active bits in int pending message */
-#define K8_INTP_C1E_ACTIVE_MASK		0x18000000
-#define MSR_K8_TSEG_ADDR		0xc0010112
-#define K8_MTRRFIXRANGE_DRAM_ENABLE	0x00040000 /* MtrrFixDramEn bit    */
-#define K8_MTRRFIXRANGE_DRAM_MODIFY	0x00080000 /* MtrrFixDramModEn bit */
-#define K8_MTRR_RDMEM_WRMEM_MASK	0x18181818 /* Mask: RdMem|WrMem    */
-
-/* K7 MSRs */
-#define MSR_K7_EVNTSEL0			0xc0010000
-#define MSR_K7_PERFCTR0			0xc0010004
-#define MSR_K7_EVNTSEL1			0xc0010001
-#define MSR_K7_PERFCTR1			0xc0010005
-#define MSR_K7_EVNTSEL2			0xc0010002
-#define MSR_K7_PERFCTR2			0xc0010006
-#define MSR_K7_EVNTSEL3			0xc0010003
-#define MSR_K7_PERFCTR3			0xc0010007
-#define MSR_K7_CLK_CTL			0xc001001b
-#define MSR_K7_HWCR			0xc0010015
-#define MSR_K7_FID_VID_CTL		0xc0010041
-#define MSR_K7_FID_VID_STATUS		0xc0010042
-
-/* K6 MSRs */
-#define MSR_K6_WHCR			0xc0000082
-#define MSR_K6_UWCCR			0xc0000085
-#define MSR_K6_EPMR			0xc0000086
-#define MSR_K6_PSOR			0xc0000087
-#define MSR_K6_PFIR			0xc0000088
-
-/* Centaur-Hauls/IDT defined MSRs. */
-#define MSR_IDT_FCR1			0x00000107
-#define MSR_IDT_FCR2			0x00000108
-#define MSR_IDT_FCR3			0x00000109
-#define MSR_IDT_FCR4			0x0000010a
-
-#define MSR_IDT_MCR0			0x00000110
-#define MSR_IDT_MCR1			0x00000111
-#define MSR_IDT_MCR2			0x00000112
-#define MSR_IDT_MCR3			0x00000113
-#define MSR_IDT_MCR4			0x00000114
-#define MSR_IDT_MCR5			0x00000115
-#define MSR_IDT_MCR6			0x00000116
-#define MSR_IDT_MCR7			0x00000117
-#define MSR_IDT_MCR_CTRL		0x00000120
-
-/* VIA Cyrix defined MSRs*/
-#define MSR_VIA_FCR			0x00001107
-#define MSR_VIA_LONGHAUL		0x0000110a
-#define MSR_VIA_RNG			0x0000110b
-#define MSR_VIA_BCR2			0x00001147
-
-/* Transmeta defined MSRs */
-#define MSR_TMTA_LONGRUN_CTRL		0x80868010
-#define MSR_TMTA_LONGRUN_FLAGS		0x80868011
-#define MSR_TMTA_LRTI_READOUT		0x80868018
-#define MSR_TMTA_LRTI_VOLT_MHZ		0x8086801a
-
-/* Intel defined MSRs. */
-#define MSR_IA32_P5_MC_ADDR		0x00000000
-#define MSR_IA32_P5_MC_TYPE		0x00000001
-#define MSR_IA32_TSC			0x00000010
-#define MSR_IA32_PLATFORM_ID		0x00000017
-#define MSR_IA32_EBL_CR_POWERON		0x0000002a
-#define MSR_EBC_FREQUENCY_ID		0x0000002c
-#define MSR_SMI_COUNT			0x00000034
-#define MSR_IA32_FEATURE_CONTROL        0x0000003a
-#define MSR_IA32_TSC_ADJUST             0x0000003b
-#define MSR_IA32_BNDCFGS		0x00000d90
-
-#define MSR_IA32_XSS			0x00000da0
-
-#define FEATURE_CONTROL_LOCKED				(1<<0)
-#define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX	(1<<1)
-#define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX	(1<<2)
-
-#define MSR_IA32_APICBASE		0x0000001b
-#define MSR_IA32_APICBASE_BSP		(1<<8)
-#define MSR_IA32_APICBASE_ENABLE	(1<<11)
-#define MSR_IA32_APICBASE_BASE		(0xfffff<<12)
-
-#define MSR_IA32_TSCDEADLINE		0x000006e0
-
-#define MSR_IA32_UCODE_WRITE		0x00000079
-#define MSR_IA32_UCODE_REV		0x0000008b
-
-#define MSR_IA32_SMM_MONITOR_CTL	0x0000009b
-#define MSR_IA32_SMBASE			0x0000009e
-
-#define MSR_IA32_PERF_STATUS		0x00000198
-#define MSR_IA32_PERF_CTL		0x00000199
-#define INTEL_PERF_CTL_MASK		0xffff
-#define MSR_AMD_PSTATE_DEF_BASE		0xc0010064
-#define MSR_AMD_PERF_STATUS		0xc0010063
-#define MSR_AMD_PERF_CTL		0xc0010062
-
-#define MSR_IA32_MPERF			0x000000e7
-#define MSR_IA32_APERF			0x000000e8
-
-#define MSR_IA32_THERM_CONTROL		0x0000019a
-#define MSR_IA32_THERM_INTERRUPT	0x0000019b
-
-#define THERM_INT_HIGH_ENABLE		(1 << 0)
-#define THERM_INT_LOW_ENABLE		(1 << 1)
-#define THERM_INT_PLN_ENABLE		(1 << 24)
-
-#define MSR_IA32_THERM_STATUS		0x0000019c
-
-#define THERM_STATUS_PROCHOT		(1 << 0)
-#define THERM_STATUS_POWER_LIMIT	(1 << 10)
-
-#define MSR_THERM2_CTL			0x0000019d
-
-#define MSR_THERM2_CTL_TM_SELECT	(1ULL << 16)
-
-#define MSR_IA32_MISC_ENABLE		0x000001a0
-
-#define MSR_IA32_TEMPERATURE_TARGET	0x000001a2
-
-#define MSR_MISC_PWR_MGMT		0x000001aa
-
-#define MSR_IA32_ENERGY_PERF_BIAS	0x000001b0
-#define ENERGY_PERF_BIAS_PERFORMANCE	0
-#define ENERGY_PERF_BIAS_NORMAL		6
-#define ENERGY_PERF_BIAS_POWERSAVE	15
-
-#define MSR_IA32_PACKAGE_THERM_STATUS		0x000001b1
-
-#define PACKAGE_THERM_STATUS_PROCHOT		(1 << 0)
-#define PACKAGE_THERM_STATUS_POWER_LIMIT	(1 << 10)
-
-#define MSR_IA32_PACKAGE_THERM_INTERRUPT	0x000001b2
-
-#define PACKAGE_THERM_INT_HIGH_ENABLE		(1 << 0)
-#define PACKAGE_THERM_INT_LOW_ENABLE		(1 << 1)
-#define PACKAGE_THERM_INT_PLN_ENABLE		(1 << 24)
-
-/* Thermal Thresholds Support */
-#define THERM_INT_THRESHOLD0_ENABLE    (1 << 15)
-#define THERM_SHIFT_THRESHOLD0        8
-#define THERM_MASK_THRESHOLD0          (0x7f << THERM_SHIFT_THRESHOLD0)
-#define THERM_INT_THRESHOLD1_ENABLE    (1 << 23)
-#define THERM_SHIFT_THRESHOLD1        16
-#define THERM_MASK_THRESHOLD1          (0x7f << THERM_SHIFT_THRESHOLD1)
-#define THERM_STATUS_THRESHOLD0        (1 << 6)
-#define THERM_LOG_THRESHOLD0           (1 << 7)
-#define THERM_STATUS_THRESHOLD1        (1 << 8)
-#define THERM_LOG_THRESHOLD1           (1 << 9)
-
-/* MISC_ENABLE bits: architectural */
-#define MSR_IA32_MISC_ENABLE_FAST_STRING_BIT		0
-#define MSR_IA32_MISC_ENABLE_FAST_STRING		(1ULL << MSR_IA32_MISC_ENABLE_FAST_STRING_BIT)
-#define MSR_IA32_MISC_ENABLE_TCC_BIT			1
-#define MSR_IA32_MISC_ENABLE_TCC			(1ULL << MSR_IA32_MISC_ENABLE_TCC_BIT)
-#define MSR_IA32_MISC_ENABLE_EMON_BIT			7
-#define MSR_IA32_MISC_ENABLE_EMON			(1ULL << MSR_IA32_MISC_ENABLE_EMON_BIT)
-#define MSR_IA32_MISC_ENABLE_BTS_UNAVAIL_BIT		11
-#define MSR_IA32_MISC_ENABLE_BTS_UNAVAIL		(1ULL << MSR_IA32_MISC_ENABLE_BTS_UNAVAIL_BIT)
-#define MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL_BIT		12
-#define MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL		(1ULL << MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL_BIT)
-#define MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP_BIT	16
-#define MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP		(1ULL << MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP_BIT)
-#define MSR_IA32_MISC_ENABLE_MWAIT_BIT			18
-#define MSR_IA32_MISC_ENABLE_MWAIT			(1ULL << MSR_IA32_MISC_ENABLE_MWAIT_BIT)
-#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID_BIT		22
-#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID		(1ULL << MSR_IA32_MISC_ENABLE_LIMIT_CPUID_BIT)
-#define MSR_IA32_MISC_ENABLE_XTPR_DISABLE_BIT		23
-#define MSR_IA32_MISC_ENABLE_XTPR_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_XTPR_DISABLE_BIT)
-#define MSR_IA32_MISC_ENABLE_XD_DISABLE_BIT		34
-#define MSR_IA32_MISC_ENABLE_XD_DISABLE			(1ULL << MSR_IA32_MISC_ENABLE_XD_DISABLE_BIT)
-
-/* MISC_ENABLE bits: model-specific, meaning may vary from core to core */
-#define MSR_IA32_MISC_ENABLE_X87_COMPAT_BIT		2
-#define MSR_IA32_MISC_ENABLE_X87_COMPAT			(1ULL << MSR_IA32_MISC_ENABLE_X87_COMPAT_BIT)
-#define MSR_IA32_MISC_ENABLE_TM1_BIT			3
-#define MSR_IA32_MISC_ENABLE_TM1			(1ULL << MSR_IA32_MISC_ENABLE_TM1_BIT)
-#define MSR_IA32_MISC_ENABLE_SPLIT_LOCK_DISABLE_BIT	4
-#define MSR_IA32_MISC_ENABLE_SPLIT_LOCK_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_SPLIT_LOCK_DISABLE_BIT)
-#define MSR_IA32_MISC_ENABLE_L3CACHE_DISABLE_BIT	6
-#define MSR_IA32_MISC_ENABLE_L3CACHE_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_L3CACHE_DISABLE_BIT)
-#define MSR_IA32_MISC_ENABLE_SUPPRESS_LOCK_BIT		8
-#define MSR_IA32_MISC_ENABLE_SUPPRESS_LOCK		(1ULL << MSR_IA32_MISC_ENABLE_SUPPRESS_LOCK_BIT)
-#define MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE_BIT	9
-#define MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE_BIT)
-#define MSR_IA32_MISC_ENABLE_FERR_BIT			10
-#define MSR_IA32_MISC_ENABLE_FERR			(1ULL << MSR_IA32_MISC_ENABLE_FERR_BIT)
-#define MSR_IA32_MISC_ENABLE_FERR_MULTIPLEX_BIT		10
-#define MSR_IA32_MISC_ENABLE_FERR_MULTIPLEX		(1ULL << MSR_IA32_MISC_ENABLE_FERR_MULTIPLEX_BIT)
-#define MSR_IA32_MISC_ENABLE_TM2_BIT			13
-#define MSR_IA32_MISC_ENABLE_TM2			(1ULL << MSR_IA32_MISC_ENABLE_TM2_BIT)
-#define MSR_IA32_MISC_ENABLE_ADJ_PREF_DISABLE_BIT	19
-#define MSR_IA32_MISC_ENABLE_ADJ_PREF_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_ADJ_PREF_DISABLE_BIT)
-#define MSR_IA32_MISC_ENABLE_SPEEDSTEP_LOCK_BIT		20
-#define MSR_IA32_MISC_ENABLE_SPEEDSTEP_LOCK		(1ULL << MSR_IA32_MISC_ENABLE_SPEEDSTEP_LOCK_BIT)
-#define MSR_IA32_MISC_ENABLE_L1D_CONTEXT_BIT		24
-#define MSR_IA32_MISC_ENABLE_L1D_CONTEXT		(1ULL << MSR_IA32_MISC_ENABLE_L1D_CONTEXT_BIT)
-#define MSR_IA32_MISC_ENABLE_DCU_PREF_DISABLE_BIT	37
-#define MSR_IA32_MISC_ENABLE_DCU_PREF_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_DCU_PREF_DISABLE_BIT)
-#define MSR_IA32_MISC_ENABLE_TURBO_DISABLE_BIT		38
-#define MSR_IA32_MISC_ENABLE_TURBO_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_TURBO_DISABLE_BIT)
-#define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE_BIT	39
-#define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE_BIT)
-
-#define MSR_IA32_TSC_DEADLINE		0x000006E0
-
-/* P4/Xeon+ specific */
-#define MSR_IA32_MCG_EAX		0x00000180
-#define MSR_IA32_MCG_EBX		0x00000181
-#define MSR_IA32_MCG_ECX		0x00000182
-#define MSR_IA32_MCG_EDX		0x00000183
-#define MSR_IA32_MCG_ESI		0x00000184
-#define MSR_IA32_MCG_EDI		0x00000185
-#define MSR_IA32_MCG_EBP		0x00000186
-#define MSR_IA32_MCG_ESP		0x00000187
-#define MSR_IA32_MCG_EFLAGS		0x00000188
-#define MSR_IA32_MCG_EIP		0x00000189
-#define MSR_IA32_MCG_RESERVED		0x0000018a
-
-/* Pentium IV performance counter MSRs */
-#define MSR_P4_BPU_PERFCTR0		0x00000300
-#define MSR_P4_BPU_PERFCTR1		0x00000301
-#define MSR_P4_BPU_PERFCTR2		0x00000302
-#define MSR_P4_BPU_PERFCTR3		0x00000303
-#define MSR_P4_MS_PERFCTR0		0x00000304
-#define MSR_P4_MS_PERFCTR1		0x00000305
-#define MSR_P4_MS_PERFCTR2		0x00000306
-#define MSR_P4_MS_PERFCTR3		0x00000307
-#define MSR_P4_FLAME_PERFCTR0		0x00000308
-#define MSR_P4_FLAME_PERFCTR1		0x00000309
-#define MSR_P4_FLAME_PERFCTR2		0x0000030a
-#define MSR_P4_FLAME_PERFCTR3		0x0000030b
-#define MSR_P4_IQ_PERFCTR0		0x0000030c
-#define MSR_P4_IQ_PERFCTR1		0x0000030d
-#define MSR_P4_IQ_PERFCTR2		0x0000030e
-#define MSR_P4_IQ_PERFCTR3		0x0000030f
-#define MSR_P4_IQ_PERFCTR4		0x00000310
-#define MSR_P4_IQ_PERFCTR5		0x00000311
-#define MSR_P4_BPU_CCCR0		0x00000360
-#define MSR_P4_BPU_CCCR1		0x00000361
-#define MSR_P4_BPU_CCCR2		0x00000362
-#define MSR_P4_BPU_CCCR3		0x00000363
-#define MSR_P4_MS_CCCR0			0x00000364
-#define MSR_P4_MS_CCCR1			0x00000365
-#define MSR_P4_MS_CCCR2			0x00000366
-#define MSR_P4_MS_CCCR3			0x00000367
-#define MSR_P4_FLAME_CCCR0		0x00000368
-#define MSR_P4_FLAME_CCCR1		0x00000369
-#define MSR_P4_FLAME_CCCR2		0x0000036a
-#define MSR_P4_FLAME_CCCR3		0x0000036b
-#define MSR_P4_IQ_CCCR0			0x0000036c
-#define MSR_P4_IQ_CCCR1			0x0000036d
-#define MSR_P4_IQ_CCCR2			0x0000036e
-#define MSR_P4_IQ_CCCR3			0x0000036f
-#define MSR_P4_IQ_CCCR4			0x00000370
-#define MSR_P4_IQ_CCCR5			0x00000371
-#define MSR_P4_ALF_ESCR0		0x000003ca
-#define MSR_P4_ALF_ESCR1		0x000003cb
-#define MSR_P4_BPU_ESCR0		0x000003b2
-#define MSR_P4_BPU_ESCR1		0x000003b3
-#define MSR_P4_BSU_ESCR0		0x000003a0
-#define MSR_P4_BSU_ESCR1		0x000003a1
-#define MSR_P4_CRU_ESCR0		0x000003b8
-#define MSR_P4_CRU_ESCR1		0x000003b9
-#define MSR_P4_CRU_ESCR2		0x000003cc
-#define MSR_P4_CRU_ESCR3		0x000003cd
-#define MSR_P4_CRU_ESCR4		0x000003e0
-#define MSR_P4_CRU_ESCR5		0x000003e1
-#define MSR_P4_DAC_ESCR0		0x000003a8
-#define MSR_P4_DAC_ESCR1		0x000003a9
-#define MSR_P4_FIRM_ESCR0		0x000003a4
-#define MSR_P4_FIRM_ESCR1		0x000003a5
-#define MSR_P4_FLAME_ESCR0		0x000003a6
-#define MSR_P4_FLAME_ESCR1		0x000003a7
-#define MSR_P4_FSB_ESCR0		0x000003a2
-#define MSR_P4_FSB_ESCR1		0x000003a3
-#define MSR_P4_IQ_ESCR0			0x000003ba
-#define MSR_P4_IQ_ESCR1			0x000003bb
-#define MSR_P4_IS_ESCR0			0x000003b4
-#define MSR_P4_IS_ESCR1			0x000003b5
-#define MSR_P4_ITLB_ESCR0		0x000003b6
-#define MSR_P4_ITLB_ESCR1		0x000003b7
-#define MSR_P4_IX_ESCR0			0x000003c8
-#define MSR_P4_IX_ESCR1			0x000003c9
-#define MSR_P4_MOB_ESCR0		0x000003aa
-#define MSR_P4_MOB_ESCR1		0x000003ab
-#define MSR_P4_MS_ESCR0			0x000003c0
-#define MSR_P4_MS_ESCR1			0x000003c1
-#define MSR_P4_PMH_ESCR0		0x000003ac
-#define MSR_P4_PMH_ESCR1		0x000003ad
-#define MSR_P4_RAT_ESCR0		0x000003bc
-#define MSR_P4_RAT_ESCR1		0x000003bd
-#define MSR_P4_SAAT_ESCR0		0x000003ae
-#define MSR_P4_SAAT_ESCR1		0x000003af
-#define MSR_P4_SSU_ESCR0		0x000003be
-#define MSR_P4_SSU_ESCR1		0x000003bf /* guess: not in manual */
-
-#define MSR_P4_TBPU_ESCR0		0x000003c2
-#define MSR_P4_TBPU_ESCR1		0x000003c3
-#define MSR_P4_TC_ESCR0			0x000003c4
-#define MSR_P4_TC_ESCR1			0x000003c5
-#define MSR_P4_U2L_ESCR0		0x000003b0
-#define MSR_P4_U2L_ESCR1		0x000003b1
-
-#define MSR_P4_PEBS_MATRIX_VERT		0x000003f2
-
-/* Intel Core-based CPU performance counters */
-#define MSR_CORE_PERF_FIXED_CTR0	0x00000309
-#define MSR_CORE_PERF_FIXED_CTR1	0x0000030a
-#define MSR_CORE_PERF_FIXED_CTR2	0x0000030b
-#define MSR_CORE_PERF_FIXED_CTR_CTRL	0x0000038d
-#define MSR_CORE_PERF_GLOBAL_STATUS	0x0000038e
-#define MSR_CORE_PERF_GLOBAL_CTRL	0x0000038f
-#define MSR_CORE_PERF_GLOBAL_OVF_CTRL	0x00000390
-
-/* Geode defined MSRs */
-#define MSR_GEODE_BUSCONT_CONF0		0x00001900
-
-/* Intel VT MSRs */
-#define MSR_IA32_VMX_BASIC              0x00000480
-#define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
-#define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
-#define MSR_IA32_VMX_EXIT_CTLS          0x00000483
-#define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
-#define MSR_IA32_VMX_MISC               0x00000485
-#define MSR_IA32_VMX_CR0_FIXED0         0x00000486
-#define MSR_IA32_VMX_CR0_FIXED1         0x00000487
-#define MSR_IA32_VMX_CR4_FIXED0         0x00000488
-#define MSR_IA32_VMX_CR4_FIXED1         0x00000489
-#define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
-#define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
-#define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
-#define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
-#define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
-#define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
-#define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
-#define MSR_IA32_VMX_VMFUNC             0x00000491
-
-/* VMX_BASIC bits and bitmasks */
-#define VMX_BASIC_VMCS_SIZE_SHIFT	32
-#define VMX_BASIC_TRUE_CTLS		(1ULL << 55)
-#define VMX_BASIC_64		0x0001000000000000LLU
-#define VMX_BASIC_MEM_TYPE_SHIFT	50
-#define VMX_BASIC_MEM_TYPE_MASK	0x003c000000000000LLU
-#define VMX_BASIC_MEM_TYPE_WB	6LLU
-#define VMX_BASIC_INOUT		0x0040000000000000LLU
-
-/* MSR_IA32_VMX_MISC bits */
-#define MSR_IA32_VMX_MISC_VMWRITE_SHADOW_RO_FIELDS (1ULL << 29)
-#define MSR_IA32_VMX_MISC_PREEMPTION_TIMER_SCALE   0x1F
-/* AMD-V MSRs */
-
-#define MSR_VM_CR                       0xc0010114
-#define MSR_VM_IGNNE                    0xc0010115
-#define MSR_VM_HSAVE_PA                 0xc0010117
-
-#endif /* _ASM_X86_MSR_INDEX_H */
diff --git a/arch/x86/include/uapi/asm/msr.h b/arch/x86/include/uapi/asm/msr.h
index 155e51048..c41f4fe25 100644
--- a/arch/x86/include/uapi/asm/msr.h
+++ b/arch/x86/include/uapi/asm/msr.h
@@ -1,8 +1,6 @@
 #ifndef _UAPI_ASM_X86_MSR_H
 #define _UAPI_ASM_X86_MSR_H
 
-#include <asm/msr-index.h>
-
 #ifndef __ASSEMBLY__
 
 #include <linux/types.h>
diff --git a/arch/x86/include/uapi/asm/mtrr.h b/arch/x86/include/uapi/asm/mtrr.h
index d0acb658c..7528dcf59 100644
--- a/arch/x86/include/uapi/asm/mtrr.h
+++ b/arch/x86/include/uapi/asm/mtrr.h
@@ -103,7 +103,7 @@ struct mtrr_state_type {
 #define MTRRIOC_GET_PAGE_ENTRY   _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
 #define MTRRIOC_KILL_PAGE_ENTRY  _IOW(MTRR_IOCTL_BASE,  9, struct mtrr_sentry)
 
-/*  These are the region types  */
+/* MTRR memory types, which are defined in SDM */
 #define MTRR_TYPE_UNCACHABLE 0
 #define MTRR_TYPE_WRCOMB     1
 /*#define MTRR_TYPE_         2*/
@@ -113,5 +113,11 @@ struct mtrr_state_type {
 #define MTRR_TYPE_WRBACK     6
 #define MTRR_NUM_TYPES       7
 
+/*
+ * Invalid MTRR memory type.  mtrr_type_lookup() returns this value when
+ * MTRRs are disabled.  Note, this value is allocated from the reserved
+ * values (0x7-0xff) of the MTRR memory types.
+ */
+#define MTRR_TYPE_INVALID    0xff
 
 #endif /* _UAPI_ASM_X86_MTRR_H */
diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h
index 16dc4e8a2..40836a9a7 100644
--- a/arch/x86/include/uapi/asm/sigcontext.h
+++ b/arch/x86/include/uapi/asm/sigcontext.h
@@ -25,7 +25,7 @@ struct _fpx_sw_bytes {
 	__u32 extended_size;	/* total size of the layout referred by
 				 * fpstate pointer in the sigcontext.
 				 */
-	__u64 xstate_bv;
+	__u64 xfeatures;
 				/* feature bit mask (including fp/sse/extended
 				 * state) that is present in the memory
 				 * layout.
@@ -177,24 +177,9 @@ struct sigcontext {
 	__u64 rip;
 	__u64 eflags;		/* RFLAGS */
 	__u16 cs;
-
-	/*
-	 * Prior to 2.5.64 ("[PATCH] x86-64 updates for 2.5.64-bk3"),
-	 * Linux saved and restored fs and gs in these slots.  This
-	 * was counterproductive, as fsbase and gsbase were never
-	 * saved, so arch_prctl was presumably unreliable.
-	 *
-	 * If these slots are ever needed for any other purpose, there
-	 * is some risk that very old 64-bit binaries could get
-	 * confused.  I doubt that many such binaries still work,
-	 * though, since the same patch in 2.5.64 also removed the
-	 * 64-bit set_thread_area syscall, so it appears that there is
-	 * no TLS API that works in both pre- and post-2.5.64 kernels.
-	 */
-	__u16 __pad2;		/* Was gs. */
-	__u16 __pad1;		/* Was fs. */
-
-	__u16 ss;
+	__u16 gs;
+	__u16 fs;
+	__u16 __pad0;
 	__u64 err;
 	__u64 trapno;
 	__u64 oldmask;
@@ -209,8 +194,8 @@ struct sigcontext {
 
 #endif /* !__i386__ */
 
-struct _xsave_hdr {
-	__u64 xstate_bv;
+struct _header {
+	__u64 xfeatures;
 	__u64 reserved1[2];
 	__u64 reserved2[5];
 };
@@ -228,7 +213,7 @@ struct _ymmh_state {
  */
 struct _xstate {
 	struct _fpstate fpstate;
-	struct _xsave_hdr xstate_hdr;
+	struct _header xstate_hdr;
 	struct _ymmh_state ymmh;
 	/* new processor state extensions go here */
 };