[gentoo-commits] proj/linux-patches:4.4 commit in: /

[Mike Pagano]

commit:     a7f6696c1a465601ed5aa37a060ec155e8e9ec85
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Tue Jul 17 10:24:44 2018 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Tue Jul 17 10:24:44 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=a7f6696c

Linux patch 4.4.141

 0000_README              |    4 +
 1140_linux-4.4.141.patch | 2989 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 2993 insertions(+)

diff --git a/0000_README b/0000_README
index 73e6c56..c1babcb 100644
--- a/0000_README
+++ b/0000_README
@@ -603,6 +603,10 @@ Patch:  1139_linux-4.4.140.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.4.140
 
+Patch:  1140_linux-4.4.141.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.4.141
+
 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/1140_linux-4.4.141.patch b/1140_linux-4.4.141.patch
new file mode 100644
index 0000000..eec959a
--- /dev/null
+++ b/1140_linux-4.4.141.patch
@@ -0,0 +1,2989 @@
+diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
+index 4df6bd7d01ed..e60d0b5809c1 100644
+--- a/Documentation/kernel-parameters.txt
++++ b/Documentation/kernel-parameters.txt
+@@ -652,7 +652,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+ 
+ 	clearcpuid=BITNUM [X86]
+ 			Disable CPUID feature X for the kernel. See
+-			arch/x86/include/asm/cpufeature.h for the valid bit
++			arch/x86/include/asm/cpufeatures.h for the valid bit
+ 			numbers. Note the Linux specific bits are not necessarily
+ 			stable over kernel options, but the vendor specific
+ 			ones should be.
+diff --git a/Makefile b/Makefile
+index b842298a5970..3fc39e41dbde 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 140
++SUBLEVEL = 141
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+ 
+diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
+index 8d5008cbdc0f..a853a83f2944 100644
+--- a/arch/mips/mm/ioremap.c
++++ b/arch/mips/mm/ioremap.c
+@@ -9,6 +9,7 @@
+ #include <linux/module.h>
+ #include <asm/addrspace.h>
+ #include <asm/byteorder.h>
++#include <linux/ioport.h>
+ #include <linux/sched.h>
+ #include <linux/slab.h>
+ #include <linux/vmalloc.h>
+@@ -97,6 +98,20 @@ static int remap_area_pages(unsigned long address, phys_addr_t phys_addr,
+ 	return error;
+ }
+ 
++static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages,
++			       void *arg)
++{
++	unsigned long i;
++
++	for (i = 0; i < nr_pages; i++) {
++		if (pfn_valid(start_pfn + i) &&
++		    !PageReserved(pfn_to_page(start_pfn + i)))
++			return 1;
++	}
++
++	return 0;
++}
++
+ /*
+  * Generic mapping function (not visible outside):
+  */
+@@ -115,8 +130,8 @@ static int remap_area_pages(unsigned long address, phys_addr_t phys_addr,
+ 
+ void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long flags)
+ {
++	unsigned long offset, pfn, last_pfn;
+ 	struct vm_struct * area;
+-	unsigned long offset;
+ 	phys_addr_t last_addr;
+ 	void * addr;
+ 
+@@ -136,18 +151,16 @@ void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long
+ 		return (void __iomem *) CKSEG1ADDR(phys_addr);
+ 
+ 	/*
+-	 * Don't allow anybody to remap normal RAM that we're using..
++	 * Don't allow anybody to remap RAM that may be allocated by the page
++	 * allocator, since that could lead to races & data clobbering.
+ 	 */
+-	if (phys_addr < virt_to_phys(high_memory)) {
+-		char *t_addr, *t_end;
+-		struct page *page;
+-
+-		t_addr = __va(phys_addr);
+-		t_end = t_addr + (size - 1);
+-
+-		for(page = virt_to_page(t_addr); page <= virt_to_page(t_end); page++)
+-			if(!PageReserved(page))
+-				return NULL;
++	pfn = PFN_DOWN(phys_addr);
++	last_pfn = PFN_DOWN(last_addr);
++	if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL,
++				  __ioremap_check_ram) == 1) {
++		WARN_ONCE(1, "ioremap on RAM at %pa - %pa\n",
++			  &phys_addr, &last_addr);
++		return NULL;
+ 	}
+ 
+ 	/*
+diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
+index eab1ef25eecd..d9afe6d40550 100644
+--- a/arch/x86/Kconfig
++++ b/arch/x86/Kconfig
+@@ -346,6 +346,17 @@ config X86_FEATURE_NAMES
+ 
+ 	  If in doubt, say Y.
+ 
++config X86_FAST_FEATURE_TESTS
++	bool "Fast CPU feature tests" if EMBEDDED
++	default y
++	---help---
++	  Some fast-paths in the kernel depend on the capabilities of the CPU.
++	  Say Y here for the kernel to patch in the appropriate code at runtime
++	  based on the capabilities of the CPU. The infrastructure for patching
++	  code at runtime takes up some additional space; space-constrained
++	  embedded systems may wish to say N here to produce smaller, slightly
++	  slower code.
++
+ config X86_X2APIC
+ 	bool "Support x2apic"
+ 	depends on X86_LOCAL_APIC && X86_64 && (IRQ_REMAP || HYPERVISOR_GUEST)
+diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
+index da00fe1f48f4..2aa212fb0faf 100644
+--- a/arch/x86/Kconfig.debug
++++ b/arch/x86/Kconfig.debug
+@@ -367,16 +367,6 @@ config DEBUG_IMR_SELFTEST
+ 
+ 	  If unsure say N here.
+ 
+-config X86_DEBUG_STATIC_CPU_HAS
+-	bool "Debug alternatives"
+-	depends on DEBUG_KERNEL
+-	---help---
+-	  This option causes additional code to be generated which
+-	  fails if static_cpu_has() is used before alternatives have
+-	  run.
+-
+-	  If unsure, say N.
+-
+ config X86_DEBUG_FPU
+ 	bool "Debug the x86 FPU code"
+ 	depends on DEBUG_KERNEL
+diff --git a/arch/x86/boot/cpuflags.h b/arch/x86/boot/cpuflags.h
+index ea97697e51e4..4cb404fd45ce 100644
+--- a/arch/x86/boot/cpuflags.h
++++ b/arch/x86/boot/cpuflags.h
+@@ -1,7 +1,7 @@
+ #ifndef BOOT_CPUFLAGS_H
+ #define BOOT_CPUFLAGS_H
+ 
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/processor-flags.h>
+ 
+ struct cpu_features {
+diff --git a/arch/x86/boot/mkcpustr.c b/arch/x86/boot/mkcpustr.c
+index 637097e66a62..f72498dc90d2 100644
+--- a/arch/x86/boot/mkcpustr.c
++++ b/arch/x86/boot/mkcpustr.c
+@@ -17,7 +17,7 @@
+ 
+ #include "../include/asm/required-features.h"
+ #include "../include/asm/disabled-features.h"
+-#include "../include/asm/cpufeature.h"
++#include "../include/asm/cpufeatures.h"
+ #include "../kernel/cpu/capflags.c"
+ 
+ int main(void)
+diff --git a/arch/x86/crypto/crc32-pclmul_glue.c b/arch/x86/crypto/crc32-pclmul_glue.c
+index 07d2c6c86a54..27226df3f7d8 100644
+--- a/arch/x86/crypto/crc32-pclmul_glue.c
++++ b/arch/x86/crypto/crc32-pclmul_glue.c
+@@ -33,7 +33,7 @@
+ #include <linux/crc32.h>
+ #include <crypto/internal/hash.h>
+ 
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/cpu_device_id.h>
+ #include <asm/fpu/api.h>
+ 
+diff --git a/arch/x86/crypto/crc32c-intel_glue.c b/arch/x86/crypto/crc32c-intel_glue.c
+index 15f5c7675d42..715399b14ed7 100644
+--- a/arch/x86/crypto/crc32c-intel_glue.c
++++ b/arch/x86/crypto/crc32c-intel_glue.c
+@@ -30,7 +30,7 @@
+ #include <linux/kernel.h>
+ #include <crypto/internal/hash.h>
+ 
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/cpu_device_id.h>
+ #include <asm/fpu/internal.h>
+ 
+diff --git a/arch/x86/crypto/crct10dif-pclmul_glue.c b/arch/x86/crypto/crct10dif-pclmul_glue.c
+index a3fcfc97a311..cd4df9322501 100644
+--- a/arch/x86/crypto/crct10dif-pclmul_glue.c
++++ b/arch/x86/crypto/crct10dif-pclmul_glue.c
+@@ -30,7 +30,7 @@
+ #include <linux/string.h>
+ #include <linux/kernel.h>
+ #include <asm/fpu/api.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/cpu_device_id.h>
+ 
+ asmlinkage __u16 crc_t10dif_pcl(__u16 crc, const unsigned char *buf,
+diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
+index b5eb1cca70a0..071582a3b5c0 100644
+--- a/arch/x86/entry/common.c
++++ b/arch/x86/entry/common.c
+@@ -27,6 +27,7 @@
+ #include <asm/traps.h>
+ #include <asm/vdso.h>
+ #include <asm/uaccess.h>
++#include <asm/cpufeature.h>
+ 
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/syscalls.h>
+diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
+index d437f3871e53..49a8c9f7a379 100644
+--- a/arch/x86/entry/entry_32.S
++++ b/arch/x86/entry/entry_32.S
+@@ -40,7 +40,7 @@
+ #include <asm/processor-flags.h>
+ #include <asm/ftrace.h>
+ #include <asm/irq_vectors.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ #include <asm/asm.h>
+ #include <asm/smap.h>
+diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c
+index a7508d7e20b7..3f9d1a83891a 100644
+--- a/arch/x86/entry/vdso/vdso32-setup.c
++++ b/arch/x86/entry/vdso/vdso32-setup.c
+@@ -11,7 +11,6 @@
+ #include <linux/kernel.h>
+ #include <linux/mm_types.h>
+ 
+-#include <asm/cpufeature.h>
+ #include <asm/processor.h>
+ #include <asm/vdso.h>
+ 
+diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S
+index 3a1d9297074b..0109ac6cb79c 100644
+--- a/arch/x86/entry/vdso/vdso32/system_call.S
++++ b/arch/x86/entry/vdso/vdso32/system_call.S
+@@ -3,7 +3,7 @@
+ */
+ 
+ #include <asm/dwarf2.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ 
+ /*
+diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
+index b8f69e264ac4..6b46648588d8 100644
+--- a/arch/x86/entry/vdso/vma.c
++++ b/arch/x86/entry/vdso/vma.c
+@@ -20,6 +20,7 @@
+ #include <asm/page.h>
+ #include <asm/hpet.h>
+ #include <asm/desc.h>
++#include <asm/cpufeature.h>
+ 
+ #if defined(CONFIG_X86_64)
+ unsigned int __read_mostly vdso64_enabled = 1;
+@@ -254,7 +255,7 @@ static void vgetcpu_cpu_init(void *arg)
+ #ifdef CONFIG_NUMA
+ 	node = cpu_to_node(cpu);
+ #endif
+-	if (cpu_has(&cpu_data(cpu), X86_FEATURE_RDTSCP))
++	if (static_cpu_has(X86_FEATURE_RDTSCP))
+ 		write_rdtscp_aux((node << 12) | cpu);
+ 
+ 	/*
+diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
+index 215ea9214215..002fcd901f07 100644
+--- a/arch/x86/include/asm/alternative.h
++++ b/arch/x86/include/asm/alternative.h
+@@ -153,12 +153,6 @@ static inline int alternatives_text_reserved(void *start, void *end)
+ 	ALTINSTR_REPLACEMENT(newinstr2, feature2, 2)			\
+ 	".popsection\n"
+ 
+-/*
+- * This must be included *after* the definition of ALTERNATIVE due to
+- * <asm/arch_hweight.h>
+- */
+-#include <asm/cpufeature.h>
+-
+ /*
+  * Alternative instructions for different CPU types or capabilities.
+  *
+diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
+index 163769d82475..fd810a57ab1b 100644
+--- a/arch/x86/include/asm/apic.h
++++ b/arch/x86/include/asm/apic.h
+@@ -6,7 +6,6 @@
+ 
+ #include <asm/alternative.h>
+ #include <asm/cpufeature.h>
+-#include <asm/processor.h>
+ #include <asm/apicdef.h>
+ #include <linux/atomic.h>
+ #include <asm/fixmap.h>
+diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h
+index 44f825c80ed5..e7cd63175de4 100644
+--- a/arch/x86/include/asm/arch_hweight.h
++++ b/arch/x86/include/asm/arch_hweight.h
+@@ -1,6 +1,8 @@
+ #ifndef _ASM_X86_HWEIGHT_H
+ #define _ASM_X86_HWEIGHT_H
+ 
++#include <asm/cpufeatures.h>
++
+ #ifdef CONFIG_64BIT
+ /* popcnt %edi, %eax */
+ #define POPCNT32 ".byte 0xf3,0x0f,0xb8,0xc7"
+diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
+index ae5fb83e6d91..3e8674288198 100644
+--- a/arch/x86/include/asm/atomic.h
++++ b/arch/x86/include/asm/atomic.h
+@@ -3,7 +3,6 @@
+ 
+ #include <linux/compiler.h>
+ #include <linux/types.h>
+-#include <asm/processor.h>
+ #include <asm/alternative.h>
+ #include <asm/cmpxchg.h>
+ #include <asm/rmwcc.h>
+diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
+index a11c30b77fb5..a984111135b1 100644
+--- a/arch/x86/include/asm/atomic64_32.h
++++ b/arch/x86/include/asm/atomic64_32.h
+@@ -3,7 +3,6 @@
+ 
+ #include <linux/compiler.h>
+ #include <linux/types.h>
+-#include <asm/processor.h>
+ //#include <asm/cmpxchg.h>
+ 
+ /* An 64bit atomic type */
+diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h
+index ad19841eddfe..9733361fed6f 100644
+--- a/arch/x86/include/asm/cmpxchg.h
++++ b/arch/x86/include/asm/cmpxchg.h
+@@ -2,6 +2,7 @@
+ #define ASM_X86_CMPXCHG_H
+ 
+ #include <linux/compiler.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative.h> /* Provides LOCK_PREFIX */
+ 
+ /*
+diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
+index 232621c5e859..dd0089841a0f 100644
+--- a/arch/x86/include/asm/cpufeature.h
++++ b/arch/x86/include/asm/cpufeature.h
+@@ -1,294 +1,35 @@
+-/*
+- * Defines x86 CPU feature bits
+- */
+ #ifndef _ASM_X86_CPUFEATURE_H
+ #define _ASM_X86_CPUFEATURE_H
+ 
+-#ifndef _ASM_X86_REQUIRED_FEATURES_H
+-#include <asm/required-features.h>
+-#endif
+-
+-#ifndef _ASM_X86_DISABLED_FEATURES_H
+-#include <asm/disabled-features.h>
+-#endif
+-
+-#define NCAPINTS	14	/* N 32-bit words worth of info */
+-#define NBUGINTS	1	/* N 32-bit bug flags */
+-
+-/*
+- * Note: If the comment begins with a quoted string, that string is used
+- * in /proc/cpuinfo instead of the macro name.  If the string is "",
+- * this feature bit is not displayed in /proc/cpuinfo at all.
+- */
+-
+-/* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */
+-#define X86_FEATURE_FPU		( 0*32+ 0) /* Onboard FPU */
+-#define X86_FEATURE_VME		( 0*32+ 1) /* Virtual Mode Extensions */
+-#define X86_FEATURE_DE		( 0*32+ 2) /* Debugging Extensions */
+-#define X86_FEATURE_PSE		( 0*32+ 3) /* Page Size Extensions */
+-#define X86_FEATURE_TSC		( 0*32+ 4) /* Time Stamp Counter */
+-#define X86_FEATURE_MSR		( 0*32+ 5) /* Model-Specific Registers */
+-#define X86_FEATURE_PAE		( 0*32+ 6) /* Physical Address Extensions */
+-#define X86_FEATURE_MCE		( 0*32+ 7) /* Machine Check Exception */
+-#define X86_FEATURE_CX8		( 0*32+ 8) /* CMPXCHG8 instruction */
+-#define X86_FEATURE_APIC	( 0*32+ 9) /* Onboard APIC */
+-#define X86_FEATURE_SEP		( 0*32+11) /* SYSENTER/SYSEXIT */
+-#define X86_FEATURE_MTRR	( 0*32+12) /* Memory Type Range Registers */
+-#define X86_FEATURE_PGE		( 0*32+13) /* Page Global Enable */
+-#define X86_FEATURE_MCA		( 0*32+14) /* Machine Check Architecture */
+-#define X86_FEATURE_CMOV	( 0*32+15) /* CMOV instructions */
+-					  /* (plus FCMOVcc, FCOMI with FPU) */
+-#define X86_FEATURE_PAT		( 0*32+16) /* Page Attribute Table */
+-#define X86_FEATURE_PSE36	( 0*32+17) /* 36-bit PSEs */
+-#define X86_FEATURE_PN		( 0*32+18) /* Processor serial number */
+-#define X86_FEATURE_CLFLUSH	( 0*32+19) /* CLFLUSH instruction */
+-#define X86_FEATURE_DS		( 0*32+21) /* "dts" Debug Store */
+-#define X86_FEATURE_ACPI	( 0*32+22) /* ACPI via MSR */
+-#define X86_FEATURE_MMX		( 0*32+23) /* Multimedia Extensions */
+-#define X86_FEATURE_FXSR	( 0*32+24) /* FXSAVE/FXRSTOR, CR4.OSFXSR */
+-#define X86_FEATURE_XMM		( 0*32+25) /* "sse" */
+-#define X86_FEATURE_XMM2	( 0*32+26) /* "sse2" */
+-#define X86_FEATURE_SELFSNOOP	( 0*32+27) /* "ss" CPU self snoop */
+-#define X86_FEATURE_HT		( 0*32+28) /* Hyper-Threading */
+-#define X86_FEATURE_ACC		( 0*32+29) /* "tm" Automatic clock control */
+-#define X86_FEATURE_IA64	( 0*32+30) /* IA-64 processor */
+-#define X86_FEATURE_PBE		( 0*32+31) /* Pending Break Enable */
+-
+-/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */
+-/* Don't duplicate feature flags which are redundant with Intel! */
+-#define X86_FEATURE_SYSCALL	( 1*32+11) /* SYSCALL/SYSRET */
+-#define X86_FEATURE_MP		( 1*32+19) /* MP Capable. */
+-#define X86_FEATURE_NX		( 1*32+20) /* Execute Disable */
+-#define X86_FEATURE_MMXEXT	( 1*32+22) /* AMD MMX extensions */
+-#define X86_FEATURE_FXSR_OPT	( 1*32+25) /* FXSAVE/FXRSTOR optimizations */
+-#define X86_FEATURE_GBPAGES	( 1*32+26) /* "pdpe1gb" GB pages */
+-#define X86_FEATURE_RDTSCP	( 1*32+27) /* RDTSCP */
+-#define X86_FEATURE_LM		( 1*32+29) /* Long Mode (x86-64) */
+-#define X86_FEATURE_3DNOWEXT	( 1*32+30) /* AMD 3DNow! extensions */
+-#define X86_FEATURE_3DNOW	( 1*32+31) /* 3DNow! */
+-
+-/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */
+-#define X86_FEATURE_RECOVERY	( 2*32+ 0) /* CPU in recovery mode */
+-#define X86_FEATURE_LONGRUN	( 2*32+ 1) /* Longrun power control */
+-#define X86_FEATURE_LRTI	( 2*32+ 3) /* LongRun table interface */
+-
+-/* Other features, Linux-defined mapping, word 3 */
+-/* This range is used for feature bits which conflict or are synthesized */
+-#define X86_FEATURE_CXMMX	( 3*32+ 0) /* Cyrix MMX extensions */
+-#define X86_FEATURE_K6_MTRR	( 3*32+ 1) /* AMD K6 nonstandard MTRRs */
+-#define X86_FEATURE_CYRIX_ARR	( 3*32+ 2) /* Cyrix ARRs (= MTRRs) */
+-#define X86_FEATURE_CENTAUR_MCR	( 3*32+ 3) /* Centaur MCRs (= MTRRs) */
+-/* cpu types for specific tunings: */
+-#define X86_FEATURE_K8		( 3*32+ 4) /* "" Opteron, Athlon64 */
+-#define X86_FEATURE_K7		( 3*32+ 5) /* "" Athlon */
+-#define X86_FEATURE_P3		( 3*32+ 6) /* "" P3 */
+-#define X86_FEATURE_P4		( 3*32+ 7) /* "" P4 */
+-#define X86_FEATURE_CONSTANT_TSC ( 3*32+ 8) /* TSC ticks at a constant rate */
+-#define X86_FEATURE_UP		( 3*32+ 9) /* smp kernel running on up */
+-/* free, was #define X86_FEATURE_FXSAVE_LEAK ( 3*32+10) * "" FXSAVE leaks FOP/FIP/FOP */
+-#define X86_FEATURE_ARCH_PERFMON ( 3*32+11) /* Intel Architectural PerfMon */
+-#define X86_FEATURE_PEBS	( 3*32+12) /* Precise-Event Based Sampling */
+-#define X86_FEATURE_BTS		( 3*32+13) /* Branch Trace Store */
+-#define X86_FEATURE_SYSCALL32	( 3*32+14) /* "" syscall in ia32 userspace */
+-#define X86_FEATURE_SYSENTER32	( 3*32+15) /* "" sysenter in ia32 userspace */
+-#define X86_FEATURE_REP_GOOD	( 3*32+16) /* rep microcode works well */
+-#define X86_FEATURE_MFENCE_RDTSC ( 3*32+17) /* "" Mfence synchronizes RDTSC */
+-#define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) /* "" Lfence synchronizes RDTSC */
+-/* free, was #define X86_FEATURE_11AP	( 3*32+19) * "" Bad local APIC aka 11AP */
+-#define X86_FEATURE_NOPL	( 3*32+20) /* The NOPL (0F 1F) instructions */
+-#define X86_FEATURE_ALWAYS	( 3*32+21) /* "" Always-present feature */
+-#define X86_FEATURE_XTOPOLOGY	( 3*32+22) /* cpu topology enum extensions */
+-#define X86_FEATURE_TSC_RELIABLE ( 3*32+23) /* TSC is known to be reliable */
+-#define X86_FEATURE_NONSTOP_TSC	( 3*32+24) /* TSC does not stop in C states */
+-/* free, was #define X86_FEATURE_CLFLUSH_MONITOR ( 3*32+25) * "" clflush reqd with monitor */
+-#define X86_FEATURE_EXTD_APICID	( 3*32+26) /* has extended APICID (8 bits) */
+-#define X86_FEATURE_AMD_DCM     ( 3*32+27) /* multi-node processor */
+-#define X86_FEATURE_APERFMPERF	( 3*32+28) /* APERFMPERF */
+-/* free, was #define X86_FEATURE_EAGER_FPU	( 3*32+29) * "eagerfpu" Non lazy FPU restore */
+-#define X86_FEATURE_NONSTOP_TSC_S3 ( 3*32+30) /* TSC doesn't stop in S3 state */
+-
+-/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
+-#define X86_FEATURE_XMM3	( 4*32+ 0) /* "pni" SSE-3 */
+-#define X86_FEATURE_PCLMULQDQ	( 4*32+ 1) /* PCLMULQDQ instruction */
+-#define X86_FEATURE_DTES64	( 4*32+ 2) /* 64-bit Debug Store */
+-#define X86_FEATURE_MWAIT	( 4*32+ 3) /* "monitor" Monitor/Mwait support */
+-#define X86_FEATURE_DSCPL	( 4*32+ 4) /* "ds_cpl" CPL Qual. Debug Store */
+-#define X86_FEATURE_VMX		( 4*32+ 5) /* Hardware virtualization */
+-#define X86_FEATURE_SMX		( 4*32+ 6) /* Safer mode */
+-#define X86_FEATURE_EST		( 4*32+ 7) /* Enhanced SpeedStep */
+-#define X86_FEATURE_TM2		( 4*32+ 8) /* Thermal Monitor 2 */
+-#define X86_FEATURE_SSSE3	( 4*32+ 9) /* Supplemental SSE-3 */
+-#define X86_FEATURE_CID		( 4*32+10) /* Context ID */
+-#define X86_FEATURE_SDBG	( 4*32+11) /* Silicon Debug */
+-#define X86_FEATURE_FMA		( 4*32+12) /* Fused multiply-add */
+-#define X86_FEATURE_CX16	( 4*32+13) /* CMPXCHG16B */
+-#define X86_FEATURE_XTPR	( 4*32+14) /* Send Task Priority Messages */
+-#define X86_FEATURE_PDCM	( 4*32+15) /* Performance Capabilities */
+-#define X86_FEATURE_PCID	( 4*32+17) /* Process Context Identifiers */
+-#define X86_FEATURE_DCA		( 4*32+18) /* Direct Cache Access */
+-#define X86_FEATURE_XMM4_1	( 4*32+19) /* "sse4_1" SSE-4.1 */
+-#define X86_FEATURE_XMM4_2	( 4*32+20) /* "sse4_2" SSE-4.2 */
+-#define X86_FEATURE_X2APIC	( 4*32+21) /* x2APIC */
+-#define X86_FEATURE_MOVBE	( 4*32+22) /* MOVBE instruction */
+-#define X86_FEATURE_POPCNT      ( 4*32+23) /* POPCNT instruction */
+-#define X86_FEATURE_TSC_DEADLINE_TIMER	( 4*32+24) /* Tsc deadline timer */
+-#define X86_FEATURE_AES		( 4*32+25) /* AES instructions */
+-#define X86_FEATURE_XSAVE	( 4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
+-#define X86_FEATURE_OSXSAVE	( 4*32+27) /* "" XSAVE enabled in the OS */
+-#define X86_FEATURE_AVX		( 4*32+28) /* Advanced Vector Extensions */
+-#define X86_FEATURE_F16C	( 4*32+29) /* 16-bit fp conversions */
+-#define X86_FEATURE_RDRAND	( 4*32+30) /* The RDRAND instruction */
+-#define X86_FEATURE_HYPERVISOR	( 4*32+31) /* Running on a hypervisor */
+-
+-/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
+-#define X86_FEATURE_XSTORE	( 5*32+ 2) /* "rng" RNG present (xstore) */
+-#define X86_FEATURE_XSTORE_EN	( 5*32+ 3) /* "rng_en" RNG enabled */
+-#define X86_FEATURE_XCRYPT	( 5*32+ 6) /* "ace" on-CPU crypto (xcrypt) */
+-#define X86_FEATURE_XCRYPT_EN	( 5*32+ 7) /* "ace_en" on-CPU crypto enabled */
+-#define X86_FEATURE_ACE2	( 5*32+ 8) /* Advanced Cryptography Engine v2 */
+-#define X86_FEATURE_ACE2_EN	( 5*32+ 9) /* ACE v2 enabled */
+-#define X86_FEATURE_PHE		( 5*32+10) /* PadLock Hash Engine */
+-#define X86_FEATURE_PHE_EN	( 5*32+11) /* PHE enabled */
+-#define X86_FEATURE_PMM		( 5*32+12) /* PadLock Montgomery Multiplier */
+-#define X86_FEATURE_PMM_EN	( 5*32+13) /* PMM enabled */
+-
+-/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */
+-#define X86_FEATURE_LAHF_LM	( 6*32+ 0) /* LAHF/SAHF in long mode */
+-#define X86_FEATURE_CMP_LEGACY	( 6*32+ 1) /* If yes HyperThreading not valid */
+-#define X86_FEATURE_SVM		( 6*32+ 2) /* Secure virtual machine */
+-#define X86_FEATURE_EXTAPIC	( 6*32+ 3) /* Extended APIC space */
+-#define X86_FEATURE_CR8_LEGACY	( 6*32+ 4) /* CR8 in 32-bit mode */
+-#define X86_FEATURE_ABM		( 6*32+ 5) /* Advanced bit manipulation */
+-#define X86_FEATURE_SSE4A	( 6*32+ 6) /* SSE-4A */
+-#define X86_FEATURE_MISALIGNSSE ( 6*32+ 7) /* Misaligned SSE mode */
+-#define X86_FEATURE_3DNOWPREFETCH ( 6*32+ 8) /* 3DNow prefetch instructions */
+-#define X86_FEATURE_OSVW	( 6*32+ 9) /* OS Visible Workaround */
+-#define X86_FEATURE_IBS		( 6*32+10) /* Instruction Based Sampling */
+-#define X86_FEATURE_XOP		( 6*32+11) /* extended AVX instructions */
+-#define X86_FEATURE_SKINIT	( 6*32+12) /* SKINIT/STGI instructions */
+-#define X86_FEATURE_WDT		( 6*32+13) /* Watchdog timer */
+-#define X86_FEATURE_LWP		( 6*32+15) /* Light Weight Profiling */
+-#define X86_FEATURE_FMA4	( 6*32+16) /* 4 operands MAC instructions */
+-#define X86_FEATURE_TCE		( 6*32+17) /* translation cache extension */
+-#define X86_FEATURE_NODEID_MSR	( 6*32+19) /* NodeId MSR */
+-#define X86_FEATURE_TBM		( 6*32+21) /* trailing bit manipulations */
+-#define X86_FEATURE_TOPOEXT	( 6*32+22) /* topology extensions CPUID leafs */
+-#define X86_FEATURE_PERFCTR_CORE ( 6*32+23) /* core performance counter extensions */
+-#define X86_FEATURE_PERFCTR_NB  ( 6*32+24) /* NB performance counter extensions */
+-#define X86_FEATURE_BPEXT	(6*32+26) /* data breakpoint extension */
+-#define X86_FEATURE_PERFCTR_L2	( 6*32+28) /* L2 performance counter extensions */
+-#define X86_FEATURE_MWAITX	( 6*32+29) /* MWAIT extension (MONITORX/MWAITX) */
+-
+-/*
+- * Auxiliary flags: Linux defined - For features scattered in various
+- * CPUID levels like 0x6, 0xA etc, word 7
+- */
+-#define X86_FEATURE_IDA		( 7*32+ 0) /* Intel Dynamic Acceleration */
+-#define X86_FEATURE_ARAT	( 7*32+ 1) /* Always Running APIC Timer */
+-#define X86_FEATURE_CPB		( 7*32+ 2) /* AMD Core Performance Boost */
+-#define X86_FEATURE_EPB		( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
+-#define X86_FEATURE_INVPCID_SINGLE ( 7*32+ 4) /* Effectively INVPCID && CR4.PCIDE=1 */
+-#define X86_FEATURE_PLN		( 7*32+ 5) /* Intel Power Limit Notification */
+-#define X86_FEATURE_PTS		( 7*32+ 6) /* Intel Package Thermal Status */
+-#define X86_FEATURE_DTHERM	( 7*32+ 7) /* Digital Thermal Sensor */
+-#define X86_FEATURE_HW_PSTATE	( 7*32+ 8) /* AMD HW-PState */
+-#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */
+-#define X86_FEATURE_HWP		( 7*32+ 10) /* "hwp" Intel HWP */
+-#define X86_FEATURE_HWP_NOTIFY	( 7*32+ 11) /* Intel HWP_NOTIFY */
+-#define X86_FEATURE_HWP_ACT_WINDOW ( 7*32+ 12) /* Intel HWP_ACT_WINDOW */
+-#define X86_FEATURE_HWP_EPP	( 7*32+13) /* Intel HWP_EPP */
+-#define X86_FEATURE_HWP_PKG_REQ ( 7*32+14) /* Intel HWP_PKG_REQ */
+-#define X86_FEATURE_INTEL_PT	( 7*32+15) /* Intel Processor Trace */
+-#define X86_FEATURE_RSB_CTXSW	( 7*32+19) /* Fill RSB on context switches */
+-
+-#define X86_FEATURE_RETPOLINE	( 7*32+29) /* Generic Retpoline mitigation for Spectre variant 2 */
+-#define X86_FEATURE_RETPOLINE_AMD ( 7*32+30) /* AMD Retpoline mitigation for Spectre variant 2 */
+-/* Because the ALTERNATIVE scheme is for members of the X86_FEATURE club... */
+-#define X86_FEATURE_KAISER	( 7*32+31) /* CONFIG_PAGE_TABLE_ISOLATION w/o nokaiser */
+-
+-/* Virtualization flags: Linux defined, word 8 */
+-#define X86_FEATURE_TPR_SHADOW  ( 8*32+ 0) /* Intel TPR Shadow */
+-#define X86_FEATURE_VNMI        ( 8*32+ 1) /* Intel Virtual NMI */
+-#define X86_FEATURE_FLEXPRIORITY ( 8*32+ 2) /* Intel FlexPriority */
+-#define X86_FEATURE_EPT         ( 8*32+ 3) /* Intel Extended Page Table */
+-#define X86_FEATURE_VPID        ( 8*32+ 4) /* Intel Virtual Processor ID */
+-#define X86_FEATURE_NPT		( 8*32+ 5) /* AMD Nested Page Table support */
+-#define X86_FEATURE_LBRV	( 8*32+ 6) /* AMD LBR Virtualization support */
+-#define X86_FEATURE_SVML	( 8*32+ 7) /* "svm_lock" AMD SVM locking MSR */
+-#define X86_FEATURE_NRIPS	( 8*32+ 8) /* "nrip_save" AMD SVM next_rip save */
+-#define X86_FEATURE_TSCRATEMSR  ( 8*32+ 9) /* "tsc_scale" AMD TSC scaling support */
+-#define X86_FEATURE_VMCBCLEAN   ( 8*32+10) /* "vmcb_clean" AMD VMCB clean bits support */
+-#define X86_FEATURE_FLUSHBYASID ( 8*32+11) /* AMD flush-by-ASID support */
+-#define X86_FEATURE_DECODEASSISTS ( 8*32+12) /* AMD Decode Assists support */
+-#define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */
+-#define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */
+-#define X86_FEATURE_VMMCALL     ( 8*32+15) /* Prefer vmmcall to vmcall */
+-#define X86_FEATURE_XENPV       ( 8*32+16) /* "" Xen paravirtual guest */
+-
+-
+-/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */
+-#define X86_FEATURE_FSGSBASE	( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/
+-#define X86_FEATURE_TSC_ADJUST	( 9*32+ 1) /* TSC adjustment MSR 0x3b */
+-#define X86_FEATURE_BMI1	( 9*32+ 3) /* 1st group bit manipulation extensions */
+-#define X86_FEATURE_HLE		( 9*32+ 4) /* Hardware Lock Elision */
+-#define X86_FEATURE_AVX2	( 9*32+ 5) /* AVX2 instructions */
+-#define X86_FEATURE_SMEP	( 9*32+ 7) /* Supervisor Mode Execution Protection */
+-#define X86_FEATURE_BMI2	( 9*32+ 8) /* 2nd group bit manipulation extensions */
+-#define X86_FEATURE_ERMS	( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */
+-#define X86_FEATURE_INVPCID	( 9*32+10) /* Invalidate Processor Context ID */
+-#define X86_FEATURE_RTM		( 9*32+11) /* Restricted Transactional Memory */
+-#define X86_FEATURE_CQM		( 9*32+12) /* Cache QoS Monitoring */
+-#define X86_FEATURE_MPX		( 9*32+14) /* Memory Protection Extension */
+-#define X86_FEATURE_AVX512F	( 9*32+16) /* AVX-512 Foundation */
+-#define X86_FEATURE_RDSEED	( 9*32+18) /* The RDSEED instruction */
+-#define X86_FEATURE_ADX		( 9*32+19) /* The ADCX and ADOX instructions */
+-#define X86_FEATURE_SMAP	( 9*32+20) /* Supervisor Mode Access Prevention */
+-#define X86_FEATURE_PCOMMIT	( 9*32+22) /* PCOMMIT instruction */
+-#define X86_FEATURE_CLFLUSHOPT	( 9*32+23) /* CLFLUSHOPT instruction */
+-#define X86_FEATURE_CLWB	( 9*32+24) /* CLWB instruction */
+-#define X86_FEATURE_AVX512PF	( 9*32+26) /* AVX-512 Prefetch */
+-#define X86_FEATURE_AVX512ER	( 9*32+27) /* AVX-512 Exponential and Reciprocal */
+-#define X86_FEATURE_AVX512CD	( 9*32+28) /* AVX-512 Conflict Detection */
+-#define X86_FEATURE_SHA_NI	( 9*32+29) /* SHA1/SHA256 Instruction Extensions */
+-
+-/* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */
+-#define X86_FEATURE_XSAVEOPT	(10*32+ 0) /* XSAVEOPT */
+-#define X86_FEATURE_XSAVEC	(10*32+ 1) /* XSAVEC */
+-#define X86_FEATURE_XGETBV1	(10*32+ 2) /* XGETBV with ECX = 1 */
+-#define X86_FEATURE_XSAVES	(10*32+ 3) /* XSAVES/XRSTORS */
+-
+-/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:0 (edx), word 11 */
+-#define X86_FEATURE_CQM_LLC	(11*32+ 1) /* LLC QoS if 1 */
+-
+-/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:1 (edx), word 12 */
+-#define X86_FEATURE_CQM_OCCUP_LLC (12*32+ 0) /* LLC occupancy monitoring if 1 */
+-
+-/* AMD-defined CPU features, CPUID level 0x80000008 (ebx), word 13 */
+-#define X86_FEATURE_CLZERO	(13*32+0) /* CLZERO instruction */
+-
+-/*
+- * BUG word(s)
+- */
+-#define X86_BUG(x)		(NCAPINTS*32 + (x))
+-
+-#define X86_BUG_F00F		X86_BUG(0) /* Intel F00F */
+-#define X86_BUG_FDIV		X86_BUG(1) /* FPU FDIV */
+-#define X86_BUG_COMA		X86_BUG(2) /* Cyrix 6x86 coma */
+-#define X86_BUG_AMD_TLB_MMATCH	X86_BUG(3) /* "tlb_mmatch" AMD Erratum 383 */
+-#define X86_BUG_AMD_APIC_C1E	X86_BUG(4) /* "apic_c1e" AMD Erratum 400 */
+-#define X86_BUG_11AP		X86_BUG(5) /* Bad local APIC aka 11AP */
+-#define X86_BUG_FXSAVE_LEAK	X86_BUG(6) /* FXSAVE leaks FOP/FIP/FOP */
+-#define X86_BUG_CLFLUSH_MONITOR	X86_BUG(7) /* AAI65, CLFLUSH required before MONITOR */
+-#define X86_BUG_SYSRET_SS_ATTRS	X86_BUG(8) /* SYSRET doesn't fix up SS attrs */
+-#define X86_BUG_CPU_MELTDOWN	X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */
+-#define X86_BUG_SPECTRE_V1	X86_BUG(15) /* CPU is affected by Spectre variant 1 attack with conditional branches */
+-#define X86_BUG_SPECTRE_V2	X86_BUG(16) /* CPU is affected by Spectre variant 2 attack with indirect branches */
++#include <asm/processor.h>
+ 
+ #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+ 
+ #include <asm/asm.h>
+ #include <linux/bitops.h>
+ 
++enum cpuid_leafs
++{
++	CPUID_1_EDX		= 0,
++	CPUID_8000_0001_EDX,
++	CPUID_8086_0001_EDX,
++	CPUID_LNX_1,
++	CPUID_1_ECX,
++	CPUID_C000_0001_EDX,
++	CPUID_8000_0001_ECX,
++	CPUID_LNX_2,
++	CPUID_LNX_3,
++	CPUID_7_0_EBX,
++	CPUID_D_1_EAX,
++	CPUID_F_0_EDX,
++	CPUID_F_1_EDX,
++	CPUID_8000_0008_EBX,
++	CPUID_6_EAX,
++	CPUID_8000_000A_EDX,
++	CPUID_7_ECX,
++	CPUID_8000_0007_EBX,
++};
++
+ #ifdef CONFIG_X86_FEATURE_NAMES
+ extern const char * const x86_cap_flags[NCAPINTS*32];
+ extern const char * const x86_power_flags[32];
+@@ -308,29 +49,59 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
+ #define test_cpu_cap(c, bit)						\
+ 	 test_bit(bit, (unsigned long *)((c)->x86_capability))
+ 
+-#define REQUIRED_MASK_BIT_SET(bit)					\
+-	 ( (((bit)>>5)==0 && (1UL<<((bit)&31) & REQUIRED_MASK0)) ||	\
+-	   (((bit)>>5)==1 && (1UL<<((bit)&31) & REQUIRED_MASK1)) ||	\
+-	   (((bit)>>5)==2 && (1UL<<((bit)&31) & REQUIRED_MASK2)) ||	\
+-	   (((bit)>>5)==3 && (1UL<<((bit)&31) & REQUIRED_MASK3)) ||	\
+-	   (((bit)>>5)==4 && (1UL<<((bit)&31) & REQUIRED_MASK4)) ||	\
+-	   (((bit)>>5)==5 && (1UL<<((bit)&31) & REQUIRED_MASK5)) ||	\
+-	   (((bit)>>5)==6 && (1UL<<((bit)&31) & REQUIRED_MASK6)) ||	\
+-	   (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) ||	\
+-	   (((bit)>>5)==8 && (1UL<<((bit)&31) & REQUIRED_MASK8)) ||	\
+-	   (((bit)>>5)==9 && (1UL<<((bit)&31) & REQUIRED_MASK9)) )
+-
+-#define DISABLED_MASK_BIT_SET(bit)					\
+-	 ( (((bit)>>5)==0 && (1UL<<((bit)&31) & DISABLED_MASK0)) ||	\
+-	   (((bit)>>5)==1 && (1UL<<((bit)&31) & DISABLED_MASK1)) ||	\
+-	   (((bit)>>5)==2 && (1UL<<((bit)&31) & DISABLED_MASK2)) ||	\
+-	   (((bit)>>5)==3 && (1UL<<((bit)&31) & DISABLED_MASK3)) ||	\
+-	   (((bit)>>5)==4 && (1UL<<((bit)&31) & DISABLED_MASK4)) ||	\
+-	   (((bit)>>5)==5 && (1UL<<((bit)&31) & DISABLED_MASK5)) ||	\
+-	   (((bit)>>5)==6 && (1UL<<((bit)&31) & DISABLED_MASK6)) ||	\
+-	   (((bit)>>5)==7 && (1UL<<((bit)&31) & DISABLED_MASK7)) ||	\
+-	   (((bit)>>5)==8 && (1UL<<((bit)&31) & DISABLED_MASK8)) ||	\
+-	   (((bit)>>5)==9 && (1UL<<((bit)&31) & DISABLED_MASK9)) )
++/*
++ * There are 32 bits/features in each mask word.  The high bits
++ * (selected with (bit>>5) give us the word number and the low 5
++ * bits give us the bit/feature number inside the word.
++ * (1UL<<((bit)&31) gives us a mask for the feature_bit so we can
++ * see if it is set in the mask word.
++ */
++#define CHECK_BIT_IN_MASK_WORD(maskname, word, bit)	\
++	(((bit)>>5)==(word) && (1UL<<((bit)&31) & maskname##word ))
++
++#define REQUIRED_MASK_BIT_SET(feature_bit)		\
++	 ( CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  0, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  1, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  2, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  3, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  4, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  5, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  6, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  7, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  8, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK,  9, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 10, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 11, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 12, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 13, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 14, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 15, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 16, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 17, feature_bit) ||	\
++	   REQUIRED_MASK_CHECK					  ||	\
++	   BUILD_BUG_ON_ZERO(NCAPINTS != 18))
++
++#define DISABLED_MASK_BIT_SET(feature_bit)				\
++	 ( CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  0, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  1, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  2, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  3, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  4, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  5, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  6, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  7, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  8, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK,  9, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 10, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 11, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 12, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 13, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 14, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 15, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 16, feature_bit) ||	\
++	   CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 17, feature_bit) ||	\
++	   DISABLED_MASK_CHECK					  ||	\
++	   BUILD_BUG_ON_ZERO(NCAPINTS != 18))
+ 
+ #define cpu_has(c, bit)							\
+ 	(__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 :	\
+@@ -349,8 +120,7 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
+  * is not relevant.
+  */
+ #define cpu_feature_enabled(bit)	\
+-	(__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 :	\
+-	 cpu_has(&boot_cpu_data, bit))
++	(__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : static_cpu_has(bit))
+ 
+ #define boot_cpu_has(bit)	cpu_has(&boot_cpu_data, bit)
+ 
+@@ -388,106 +158,19 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
+ #define cpu_has_osxsave		boot_cpu_has(X86_FEATURE_OSXSAVE)
+ #define cpu_has_hypervisor	boot_cpu_has(X86_FEATURE_HYPERVISOR)
+ /*
+- * Do not add any more of those clumsy macros - use static_cpu_has_safe() for
++ * Do not add any more of those clumsy macros - use static_cpu_has() for
+  * fast paths and boot_cpu_has() otherwise!
+  */
+ 
+-#if __GNUC__ >= 4
+-extern void warn_pre_alternatives(void);
+-extern bool __static_cpu_has_safe(u16 bit);
+-
++#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_X86_FAST_FEATURE_TESTS)
+ /*
+  * Static testing of CPU features.  Used the same as boot_cpu_has().
+- * These are only valid after alternatives have run, but will statically
+- * patch the target code for additional performance.
++ * These will statically patch the target code for additional
++ * performance.
+  */
+-static __always_inline __pure bool __static_cpu_has(u16 bit)
+-{
+-#ifdef CC_HAVE_ASM_GOTO
+-
+-#ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS
+-
+-		/*
+-		 * Catch too early usage of this before alternatives
+-		 * have run.
+-		 */
+-		asm_volatile_goto("1: jmp %l[t_warn]\n"
+-			 "2:\n"
+-			 ".section .altinstructions,\"a\"\n"
+-			 " .long 1b - .\n"
+-			 " .long 0\n"		/* no replacement */
+-			 " .word %P0\n"		/* 1: do replace */
+-			 " .byte 2b - 1b\n"	/* source len */
+-			 " .byte 0\n"		/* replacement len */
+-			 " .byte 0\n"		/* pad len */
+-			 ".previous\n"
+-			 /* skipping size check since replacement size = 0 */
+-			 : : "i" (X86_FEATURE_ALWAYS) : : t_warn);
+-
+-#endif
+-
+-		asm_volatile_goto("1: jmp %l[t_no]\n"
+-			 "2:\n"
+-			 ".section .altinstructions,\"a\"\n"
+-			 " .long 1b - .\n"
+-			 " .long 0\n"		/* no replacement */
+-			 " .word %P0\n"		/* feature bit */
+-			 " .byte 2b - 1b\n"	/* source len */
+-			 " .byte 0\n"		/* replacement len */
+-			 " .byte 0\n"		/* pad len */
+-			 ".previous\n"
+-			 /* skipping size check since replacement size = 0 */
+-			 : : "i" (bit) : : t_no);
+-		return true;
+-	t_no:
+-		return false;
+-
+-#ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS
+-	t_warn:
+-		warn_pre_alternatives();
+-		return false;
+-#endif
+-
+-#else /* CC_HAVE_ASM_GOTO */
+-
+-		u8 flag;
+-		/* Open-coded due to __stringify() in ALTERNATIVE() */
+-		asm volatile("1: movb $0,%0\n"
+-			     "2:\n"
+-			     ".section .altinstructions,\"a\"\n"
+-			     " .long 1b - .\n"
+-			     " .long 3f - .\n"
+-			     " .word %P1\n"		/* feature bit */
+-			     " .byte 2b - 1b\n"		/* source len */
+-			     " .byte 4f - 3f\n"		/* replacement len */
+-			     " .byte 0\n"		/* pad len */
+-			     ".previous\n"
+-			     ".section .discard,\"aw\",@progbits\n"
+-			     " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */
+-			     ".previous\n"
+-			     ".section .altinstr_replacement,\"ax\"\n"
+-			     "3: movb $1,%0\n"
+-			     "4:\n"
+-			     ".previous\n"
+-			     : "=qm" (flag) : "i" (bit));
+-		return flag;
+-
+-#endif /* CC_HAVE_ASM_GOTO */
+-}
+-
+-#define static_cpu_has(bit)					\
+-(								\
+-	__builtin_constant_p(boot_cpu_has(bit)) ?		\
+-		boot_cpu_has(bit) :				\
+-	__builtin_constant_p(bit) ?				\
+-		__static_cpu_has(bit) :				\
+-		boot_cpu_has(bit)				\
+-)
+-
+-static __always_inline __pure bool _static_cpu_has_safe(u16 bit)
++static __always_inline __pure bool _static_cpu_has(u16 bit)
+ {
+-#ifdef CC_HAVE_ASM_GOTO
+-		asm_volatile_goto("1: jmp %l[t_dynamic]\n"
++		asm_volatile_goto("1: jmp 6f\n"
+ 			 "2:\n"
+ 			 ".skip -(((5f-4f) - (2b-1b)) > 0) * "
+ 			         "((5f-4f) - (2b-1b)),0x90\n"
+@@ -512,66 +195,34 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit)
+ 			 " .byte 0\n"			/* repl len */
+ 			 " .byte 0\n"			/* pad len */
+ 			 ".previous\n"
+-			 : : "i" (bit), "i" (X86_FEATURE_ALWAYS)
+-			 : : t_dynamic, t_no);
++			 ".section .altinstr_aux,\"ax\"\n"
++			 "6:\n"
++			 " testb %[bitnum],%[cap_byte]\n"
++			 " jnz %l[t_yes]\n"
++			 " jmp %l[t_no]\n"
++			 ".previous\n"
++			 : : "i" (bit), "i" (X86_FEATURE_ALWAYS),
++			     [bitnum] "i" (1 << (bit & 7)),
++			     [cap_byte] "m" (((const char *)boot_cpu_data.x86_capability)[bit >> 3])
++			 : : t_yes, t_no);
++	t_yes:
+ 		return true;
+ 	t_no:
+ 		return false;
+-	t_dynamic:
+-		return __static_cpu_has_safe(bit);
+-#else
+-		u8 flag;
+-		/* Open-coded due to __stringify() in ALTERNATIVE() */
+-		asm volatile("1: movb $2,%0\n"
+-			     "2:\n"
+-			     ".section .altinstructions,\"a\"\n"
+-			     " .long 1b - .\n"		/* src offset */
+-			     " .long 3f - .\n"		/* repl offset */
+-			     " .word %P2\n"		/* always replace */
+-			     " .byte 2b - 1b\n"		/* source len */
+-			     " .byte 4f - 3f\n"		/* replacement len */
+-			     " .byte 0\n"		/* pad len */
+-			     ".previous\n"
+-			     ".section .discard,\"aw\",@progbits\n"
+-			     " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */
+-			     ".previous\n"
+-			     ".section .altinstr_replacement,\"ax\"\n"
+-			     "3: movb $0,%0\n"
+-			     "4:\n"
+-			     ".previous\n"
+-			     ".section .altinstructions,\"a\"\n"
+-			     " .long 1b - .\n"		/* src offset */
+-			     " .long 5f - .\n"		/* repl offset */
+-			     " .word %P1\n"		/* feature bit */
+-			     " .byte 4b - 3b\n"		/* src len */
+-			     " .byte 6f - 5f\n"		/* repl len */
+-			     " .byte 0\n"		/* pad len */
+-			     ".previous\n"
+-			     ".section .discard,\"aw\",@progbits\n"
+-			     " .byte 0xff + (6f-5f) - (4b-3b)\n" /* size check */
+-			     ".previous\n"
+-			     ".section .altinstr_replacement,\"ax\"\n"
+-			     "5: movb $1,%0\n"
+-			     "6:\n"
+-			     ".previous\n"
+-			     : "=qm" (flag)
+-			     : "i" (bit), "i" (X86_FEATURE_ALWAYS));
+-		return (flag == 2 ? __static_cpu_has_safe(bit) : flag);
+-#endif /* CC_HAVE_ASM_GOTO */
+ }
+ 
+-#define static_cpu_has_safe(bit)				\
++#define static_cpu_has(bit)					\
+ (								\
+ 	__builtin_constant_p(boot_cpu_has(bit)) ?		\
+ 		boot_cpu_has(bit) :				\
+-		_static_cpu_has_safe(bit)			\
++		_static_cpu_has(bit)				\
+ )
+ #else
+ /*
+- * gcc 3.x is too stupid to do the static test; fall back to dynamic.
++ * Fall back to dynamic for gcc versions which don't support asm goto. Should be
++ * a minority now anyway.
+  */
+ #define static_cpu_has(bit)		boot_cpu_has(bit)
+-#define static_cpu_has_safe(bit)	boot_cpu_has(bit)
+ #endif
+ 
+ #define cpu_has_bug(c, bit)		cpu_has(c, (bit))
+@@ -579,7 +230,6 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit)
+ #define clear_cpu_bug(c, bit)		clear_cpu_cap(c, (bit))
+ 
+ #define static_cpu_has_bug(bit)		static_cpu_has((bit))
+-#define static_cpu_has_bug_safe(bit)	static_cpu_has_safe((bit))
+ #define boot_cpu_has_bug(bit)		cpu_has_bug(&boot_cpu_data, (bit))
+ 
+ #define MAX_CPU_FEATURES		(NCAPINTS * 32)
+diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
+new file mode 100644
+index 000000000000..205ce70c1d6c
+--- /dev/null
++++ b/arch/x86/include/asm/cpufeatures.h
+@@ -0,0 +1,306 @@
++#ifndef _ASM_X86_CPUFEATURES_H
++#define _ASM_X86_CPUFEATURES_H
++
++#ifndef _ASM_X86_REQUIRED_FEATURES_H
++#include <asm/required-features.h>
++#endif
++
++#ifndef _ASM_X86_DISABLED_FEATURES_H
++#include <asm/disabled-features.h>
++#endif
++
++/*
++ * Defines x86 CPU feature bits
++ */
++#define NCAPINTS	18	/* N 32-bit words worth of info */
++#define NBUGINTS	1	/* N 32-bit bug flags */
++
++/*
++ * Note: If the comment begins with a quoted string, that string is used
++ * in /proc/cpuinfo instead of the macro name.  If the string is "",
++ * this feature bit is not displayed in /proc/cpuinfo at all.
++ */
++
++/* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */
++#define X86_FEATURE_FPU		( 0*32+ 0) /* Onboard FPU */
++#define X86_FEATURE_VME		( 0*32+ 1) /* Virtual Mode Extensions */
++#define X86_FEATURE_DE		( 0*32+ 2) /* Debugging Extensions */
++#define X86_FEATURE_PSE		( 0*32+ 3) /* Page Size Extensions */
++#define X86_FEATURE_TSC		( 0*32+ 4) /* Time Stamp Counter */
++#define X86_FEATURE_MSR		( 0*32+ 5) /* Model-Specific Registers */
++#define X86_FEATURE_PAE		( 0*32+ 6) /* Physical Address Extensions */
++#define X86_FEATURE_MCE		( 0*32+ 7) /* Machine Check Exception */
++#define X86_FEATURE_CX8		( 0*32+ 8) /* CMPXCHG8 instruction */
++#define X86_FEATURE_APIC	( 0*32+ 9) /* Onboard APIC */
++#define X86_FEATURE_SEP		( 0*32+11) /* SYSENTER/SYSEXIT */
++#define X86_FEATURE_MTRR	( 0*32+12) /* Memory Type Range Registers */
++#define X86_FEATURE_PGE		( 0*32+13) /* Page Global Enable */
++#define X86_FEATURE_MCA		( 0*32+14) /* Machine Check Architecture */
++#define X86_FEATURE_CMOV	( 0*32+15) /* CMOV instructions */
++					  /* (plus FCMOVcc, FCOMI with FPU) */
++#define X86_FEATURE_PAT		( 0*32+16) /* Page Attribute Table */
++#define X86_FEATURE_PSE36	( 0*32+17) /* 36-bit PSEs */
++#define X86_FEATURE_PN		( 0*32+18) /* Processor serial number */
++#define X86_FEATURE_CLFLUSH	( 0*32+19) /* CLFLUSH instruction */
++#define X86_FEATURE_DS		( 0*32+21) /* "dts" Debug Store */
++#define X86_FEATURE_ACPI	( 0*32+22) /* ACPI via MSR */
++#define X86_FEATURE_MMX		( 0*32+23) /* Multimedia Extensions */
++#define X86_FEATURE_FXSR	( 0*32+24) /* FXSAVE/FXRSTOR, CR4.OSFXSR */
++#define X86_FEATURE_XMM		( 0*32+25) /* "sse" */
++#define X86_FEATURE_XMM2	( 0*32+26) /* "sse2" */
++#define X86_FEATURE_SELFSNOOP	( 0*32+27) /* "ss" CPU self snoop */
++#define X86_FEATURE_HT		( 0*32+28) /* Hyper-Threading */
++#define X86_FEATURE_ACC		( 0*32+29) /* "tm" Automatic clock control */
++#define X86_FEATURE_IA64	( 0*32+30) /* IA-64 processor */
++#define X86_FEATURE_PBE		( 0*32+31) /* Pending Break Enable */
++
++/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */
++/* Don't duplicate feature flags which are redundant with Intel! */
++#define X86_FEATURE_SYSCALL	( 1*32+11) /* SYSCALL/SYSRET */
++#define X86_FEATURE_MP		( 1*32+19) /* MP Capable. */
++#define X86_FEATURE_NX		( 1*32+20) /* Execute Disable */
++#define X86_FEATURE_MMXEXT	( 1*32+22) /* AMD MMX extensions */
++#define X86_FEATURE_FXSR_OPT	( 1*32+25) /* FXSAVE/FXRSTOR optimizations */
++#define X86_FEATURE_GBPAGES	( 1*32+26) /* "pdpe1gb" GB pages */
++#define X86_FEATURE_RDTSCP	( 1*32+27) /* RDTSCP */
++#define X86_FEATURE_LM		( 1*32+29) /* Long Mode (x86-64) */
++#define X86_FEATURE_3DNOWEXT	( 1*32+30) /* AMD 3DNow! extensions */
++#define X86_FEATURE_3DNOW	( 1*32+31) /* 3DNow! */
++
++/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */
++#define X86_FEATURE_RECOVERY	( 2*32+ 0) /* CPU in recovery mode */
++#define X86_FEATURE_LONGRUN	( 2*32+ 1) /* Longrun power control */
++#define X86_FEATURE_LRTI	( 2*32+ 3) /* LongRun table interface */
++
++/* Other features, Linux-defined mapping, word 3 */
++/* This range is used for feature bits which conflict or are synthesized */
++#define X86_FEATURE_CXMMX	( 3*32+ 0) /* Cyrix MMX extensions */
++#define X86_FEATURE_K6_MTRR	( 3*32+ 1) /* AMD K6 nonstandard MTRRs */
++#define X86_FEATURE_CYRIX_ARR	( 3*32+ 2) /* Cyrix ARRs (= MTRRs) */
++#define X86_FEATURE_CENTAUR_MCR	( 3*32+ 3) /* Centaur MCRs (= MTRRs) */
++/* cpu types for specific tunings: */
++#define X86_FEATURE_K8		( 3*32+ 4) /* "" Opteron, Athlon64 */
++#define X86_FEATURE_K7		( 3*32+ 5) /* "" Athlon */
++#define X86_FEATURE_P3		( 3*32+ 6) /* "" P3 */
++#define X86_FEATURE_P4		( 3*32+ 7) /* "" P4 */
++#define X86_FEATURE_CONSTANT_TSC ( 3*32+ 8) /* TSC ticks at a constant rate */
++#define X86_FEATURE_UP		( 3*32+ 9) /* smp kernel running on up */
++/* free, was #define X86_FEATURE_FXSAVE_LEAK ( 3*32+10) * "" FXSAVE leaks FOP/FIP/FOP */
++#define X86_FEATURE_ARCH_PERFMON ( 3*32+11) /* Intel Architectural PerfMon */
++#define X86_FEATURE_PEBS	( 3*32+12) /* Precise-Event Based Sampling */
++#define X86_FEATURE_BTS		( 3*32+13) /* Branch Trace Store */
++#define X86_FEATURE_SYSCALL32	( 3*32+14) /* "" syscall in ia32 userspace */
++#define X86_FEATURE_SYSENTER32	( 3*32+15) /* "" sysenter in ia32 userspace */
++#define X86_FEATURE_REP_GOOD	( 3*32+16) /* rep microcode works well */
++#define X86_FEATURE_MFENCE_RDTSC ( 3*32+17) /* "" Mfence synchronizes RDTSC */
++#define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) /* "" Lfence synchronizes RDTSC */
++/* free, was #define X86_FEATURE_11AP	( 3*32+19) * "" Bad local APIC aka 11AP */
++#define X86_FEATURE_NOPL	( 3*32+20) /* The NOPL (0F 1F) instructions */
++#define X86_FEATURE_ALWAYS	( 3*32+21) /* "" Always-present feature */
++#define X86_FEATURE_XTOPOLOGY	( 3*32+22) /* cpu topology enum extensions */
++#define X86_FEATURE_TSC_RELIABLE ( 3*32+23) /* TSC is known to be reliable */
++#define X86_FEATURE_NONSTOP_TSC	( 3*32+24) /* TSC does not stop in C states */
++/* free, was #define X86_FEATURE_CLFLUSH_MONITOR ( 3*32+25) * "" clflush reqd with monitor */
++#define X86_FEATURE_EXTD_APICID	( 3*32+26) /* has extended APICID (8 bits) */
++#define X86_FEATURE_AMD_DCM     ( 3*32+27) /* multi-node processor */
++#define X86_FEATURE_APERFMPERF	( 3*32+28) /* APERFMPERF */
++/* free, was #define X86_FEATURE_EAGER_FPU	( 3*32+29) * "eagerfpu" Non lazy FPU restore */
++#define X86_FEATURE_NONSTOP_TSC_S3 ( 3*32+30) /* TSC doesn't stop in S3 state */
++
++/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
++#define X86_FEATURE_XMM3	( 4*32+ 0) /* "pni" SSE-3 */
++#define X86_FEATURE_PCLMULQDQ	( 4*32+ 1) /* PCLMULQDQ instruction */
++#define X86_FEATURE_DTES64	( 4*32+ 2) /* 64-bit Debug Store */
++#define X86_FEATURE_MWAIT	( 4*32+ 3) /* "monitor" Monitor/Mwait support */
++#define X86_FEATURE_DSCPL	( 4*32+ 4) /* "ds_cpl" CPL Qual. Debug Store */
++#define X86_FEATURE_VMX		( 4*32+ 5) /* Hardware virtualization */
++#define X86_FEATURE_SMX		( 4*32+ 6) /* Safer mode */
++#define X86_FEATURE_EST		( 4*32+ 7) /* Enhanced SpeedStep */
++#define X86_FEATURE_TM2		( 4*32+ 8) /* Thermal Monitor 2 */
++#define X86_FEATURE_SSSE3	( 4*32+ 9) /* Supplemental SSE-3 */
++#define X86_FEATURE_CID		( 4*32+10) /* Context ID */
++#define X86_FEATURE_SDBG	( 4*32+11) /* Silicon Debug */
++#define X86_FEATURE_FMA		( 4*32+12) /* Fused multiply-add */
++#define X86_FEATURE_CX16	( 4*32+13) /* CMPXCHG16B */
++#define X86_FEATURE_XTPR	( 4*32+14) /* Send Task Priority Messages */
++#define X86_FEATURE_PDCM	( 4*32+15) /* Performance Capabilities */
++#define X86_FEATURE_PCID	( 4*32+17) /* Process Context Identifiers */
++#define X86_FEATURE_DCA		( 4*32+18) /* Direct Cache Access */
++#define X86_FEATURE_XMM4_1	( 4*32+19) /* "sse4_1" SSE-4.1 */
++#define X86_FEATURE_XMM4_2	( 4*32+20) /* "sse4_2" SSE-4.2 */
++#define X86_FEATURE_X2APIC	( 4*32+21) /* x2APIC */
++#define X86_FEATURE_MOVBE	( 4*32+22) /* MOVBE instruction */
++#define X86_FEATURE_POPCNT      ( 4*32+23) /* POPCNT instruction */
++#define X86_FEATURE_TSC_DEADLINE_TIMER	( 4*32+24) /* Tsc deadline timer */
++#define X86_FEATURE_AES		( 4*32+25) /* AES instructions */
++#define X86_FEATURE_XSAVE	( 4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
++#define X86_FEATURE_OSXSAVE	( 4*32+27) /* "" XSAVE enabled in the OS */
++#define X86_FEATURE_AVX		( 4*32+28) /* Advanced Vector Extensions */
++#define X86_FEATURE_F16C	( 4*32+29) /* 16-bit fp conversions */
++#define X86_FEATURE_RDRAND	( 4*32+30) /* The RDRAND instruction */
++#define X86_FEATURE_HYPERVISOR	( 4*32+31) /* Running on a hypervisor */
++
++/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
++#define X86_FEATURE_XSTORE	( 5*32+ 2) /* "rng" RNG present (xstore) */
++#define X86_FEATURE_XSTORE_EN	( 5*32+ 3) /* "rng_en" RNG enabled */
++#define X86_FEATURE_XCRYPT	( 5*32+ 6) /* "ace" on-CPU crypto (xcrypt) */
++#define X86_FEATURE_XCRYPT_EN	( 5*32+ 7) /* "ace_en" on-CPU crypto enabled */
++#define X86_FEATURE_ACE2	( 5*32+ 8) /* Advanced Cryptography Engine v2 */
++#define X86_FEATURE_ACE2_EN	( 5*32+ 9) /* ACE v2 enabled */
++#define X86_FEATURE_PHE		( 5*32+10) /* PadLock Hash Engine */
++#define X86_FEATURE_PHE_EN	( 5*32+11) /* PHE enabled */
++#define X86_FEATURE_PMM		( 5*32+12) /* PadLock Montgomery Multiplier */
++#define X86_FEATURE_PMM_EN	( 5*32+13) /* PMM enabled */
++
++/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */
++#define X86_FEATURE_LAHF_LM	( 6*32+ 0) /* LAHF/SAHF in long mode */
++#define X86_FEATURE_CMP_LEGACY	( 6*32+ 1) /* If yes HyperThreading not valid */
++#define X86_FEATURE_SVM		( 6*32+ 2) /* Secure virtual machine */
++#define X86_FEATURE_EXTAPIC	( 6*32+ 3) /* Extended APIC space */
++#define X86_FEATURE_CR8_LEGACY	( 6*32+ 4) /* CR8 in 32-bit mode */
++#define X86_FEATURE_ABM		( 6*32+ 5) /* Advanced bit manipulation */
++#define X86_FEATURE_SSE4A	( 6*32+ 6) /* SSE-4A */
++#define X86_FEATURE_MISALIGNSSE ( 6*32+ 7) /* Misaligned SSE mode */
++#define X86_FEATURE_3DNOWPREFETCH ( 6*32+ 8) /* 3DNow prefetch instructions */
++#define X86_FEATURE_OSVW	( 6*32+ 9) /* OS Visible Workaround */
++#define X86_FEATURE_IBS		( 6*32+10) /* Instruction Based Sampling */
++#define X86_FEATURE_XOP		( 6*32+11) /* extended AVX instructions */
++#define X86_FEATURE_SKINIT	( 6*32+12) /* SKINIT/STGI instructions */
++#define X86_FEATURE_WDT		( 6*32+13) /* Watchdog timer */
++#define X86_FEATURE_LWP		( 6*32+15) /* Light Weight Profiling */
++#define X86_FEATURE_FMA4	( 6*32+16) /* 4 operands MAC instructions */
++#define X86_FEATURE_TCE		( 6*32+17) /* translation cache extension */
++#define X86_FEATURE_NODEID_MSR	( 6*32+19) /* NodeId MSR */
++#define X86_FEATURE_TBM		( 6*32+21) /* trailing bit manipulations */
++#define X86_FEATURE_TOPOEXT	( 6*32+22) /* topology extensions CPUID leafs */
++#define X86_FEATURE_PERFCTR_CORE ( 6*32+23) /* core performance counter extensions */
++#define X86_FEATURE_PERFCTR_NB  ( 6*32+24) /* NB performance counter extensions */
++#define X86_FEATURE_BPEXT	(6*32+26) /* data breakpoint extension */
++#define X86_FEATURE_PERFCTR_L2	( 6*32+28) /* L2 performance counter extensions */
++#define X86_FEATURE_MWAITX	( 6*32+29) /* MWAIT extension (MONITORX/MWAITX) */
++
++/*
++ * Auxiliary flags: Linux defined - For features scattered in various
++ * CPUID levels like 0x6, 0xA etc, word 7.
++ *
++ * Reuse free bits when adding new feature flags!
++ */
++
++#define X86_FEATURE_CPB		( 7*32+ 2) /* AMD Core Performance Boost */
++#define X86_FEATURE_EPB		( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
++#define X86_FEATURE_INVPCID_SINGLE ( 7*32+ 4) /* Effectively INVPCID && CR4.PCIDE=1 */
++
++#define X86_FEATURE_HW_PSTATE	( 7*32+ 8) /* AMD HW-PState */
++#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */
++
++#define X86_FEATURE_INTEL_PT	( 7*32+15) /* Intel Processor Trace */
++#define X86_FEATURE_RSB_CTXSW	( 7*32+19) /* Fill RSB on context switches */
++
++#define X86_FEATURE_RETPOLINE	( 7*32+29) /* Generic Retpoline mitigation for Spectre variant 2 */
++#define X86_FEATURE_RETPOLINE_AMD ( 7*32+30) /* AMD Retpoline mitigation for Spectre variant 2 */
++/* Because the ALTERNATIVE scheme is for members of the X86_FEATURE club... */
++#define X86_FEATURE_KAISER	( 7*32+31) /* CONFIG_PAGE_TABLE_ISOLATION w/o nokaiser */
++
++/* Virtualization flags: Linux defined, word 8 */
++#define X86_FEATURE_TPR_SHADOW  ( 8*32+ 0) /* Intel TPR Shadow */
++#define X86_FEATURE_VNMI        ( 8*32+ 1) /* Intel Virtual NMI */
++#define X86_FEATURE_FLEXPRIORITY ( 8*32+ 2) /* Intel FlexPriority */
++#define X86_FEATURE_EPT         ( 8*32+ 3) /* Intel Extended Page Table */
++#define X86_FEATURE_VPID        ( 8*32+ 4) /* Intel Virtual Processor ID */
++
++#define X86_FEATURE_VMMCALL     ( 8*32+15) /* Prefer vmmcall to vmcall */
++#define X86_FEATURE_XENPV       ( 8*32+16) /* "" Xen paravirtual guest */
++
++
++/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */
++#define X86_FEATURE_FSGSBASE	( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/
++#define X86_FEATURE_TSC_ADJUST	( 9*32+ 1) /* TSC adjustment MSR 0x3b */
++#define X86_FEATURE_BMI1	( 9*32+ 3) /* 1st group bit manipulation extensions */
++#define X86_FEATURE_HLE		( 9*32+ 4) /* Hardware Lock Elision */
++#define X86_FEATURE_AVX2	( 9*32+ 5) /* AVX2 instructions */
++#define X86_FEATURE_SMEP	( 9*32+ 7) /* Supervisor Mode Execution Protection */
++#define X86_FEATURE_BMI2	( 9*32+ 8) /* 2nd group bit manipulation extensions */
++#define X86_FEATURE_ERMS	( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */
++#define X86_FEATURE_INVPCID	( 9*32+10) /* Invalidate Processor Context ID */
++#define X86_FEATURE_RTM		( 9*32+11) /* Restricted Transactional Memory */
++#define X86_FEATURE_CQM		( 9*32+12) /* Cache QoS Monitoring */
++#define X86_FEATURE_MPX		( 9*32+14) /* Memory Protection Extension */
++#define X86_FEATURE_AVX512F	( 9*32+16) /* AVX-512 Foundation */
++#define X86_FEATURE_RDSEED	( 9*32+18) /* The RDSEED instruction */
++#define X86_FEATURE_ADX		( 9*32+19) /* The ADCX and ADOX instructions */
++#define X86_FEATURE_SMAP	( 9*32+20) /* Supervisor Mode Access Prevention */
++#define X86_FEATURE_PCOMMIT	( 9*32+22) /* PCOMMIT instruction */
++#define X86_FEATURE_CLFLUSHOPT	( 9*32+23) /* CLFLUSHOPT instruction */
++#define X86_FEATURE_CLWB	( 9*32+24) /* CLWB instruction */
++#define X86_FEATURE_AVX512PF	( 9*32+26) /* AVX-512 Prefetch */
++#define X86_FEATURE_AVX512ER	( 9*32+27) /* AVX-512 Exponential and Reciprocal */
++#define X86_FEATURE_AVX512CD	( 9*32+28) /* AVX-512 Conflict Detection */
++#define X86_FEATURE_SHA_NI	( 9*32+29) /* SHA1/SHA256 Instruction Extensions */
++
++/* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */
++#define X86_FEATURE_XSAVEOPT	(10*32+ 0) /* XSAVEOPT */
++#define X86_FEATURE_XSAVEC	(10*32+ 1) /* XSAVEC */
++#define X86_FEATURE_XGETBV1	(10*32+ 2) /* XGETBV with ECX = 1 */
++#define X86_FEATURE_XSAVES	(10*32+ 3) /* XSAVES/XRSTORS */
++
++/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:0 (edx), word 11 */
++#define X86_FEATURE_CQM_LLC	(11*32+ 1) /* LLC QoS if 1 */
++
++/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:1 (edx), word 12 */
++#define X86_FEATURE_CQM_OCCUP_LLC (12*32+ 0) /* LLC occupancy monitoring if 1 */
++
++/* AMD-defined CPU features, CPUID level 0x80000008 (ebx), word 13 */
++#define X86_FEATURE_CLZERO	(13*32+0) /* CLZERO instruction */
++
++/* Thermal and Power Management Leaf, CPUID level 0x00000006 (eax), word 14 */
++#define X86_FEATURE_DTHERM	(14*32+ 0) /* Digital Thermal Sensor */
++#define X86_FEATURE_IDA		(14*32+ 1) /* Intel Dynamic Acceleration */
++#define X86_FEATURE_ARAT	(14*32+ 2) /* Always Running APIC Timer */
++#define X86_FEATURE_PLN		(14*32+ 4) /* Intel Power Limit Notification */
++#define X86_FEATURE_PTS		(14*32+ 6) /* Intel Package Thermal Status */
++#define X86_FEATURE_HWP		(14*32+ 7) /* Intel Hardware P-states */
++#define X86_FEATURE_HWP_NOTIFY	(14*32+ 8) /* HWP Notification */
++#define X86_FEATURE_HWP_ACT_WINDOW (14*32+ 9) /* HWP Activity Window */
++#define X86_FEATURE_HWP_EPP	(14*32+10) /* HWP Energy Perf. Preference */
++#define X86_FEATURE_HWP_PKG_REQ (14*32+11) /* HWP Package Level Request */
++
++/* AMD SVM Feature Identification, CPUID level 0x8000000a (edx), word 15 */
++#define X86_FEATURE_NPT		(15*32+ 0) /* Nested Page Table support */
++#define X86_FEATURE_LBRV	(15*32+ 1) /* LBR Virtualization support */
++#define X86_FEATURE_SVML	(15*32+ 2) /* "svm_lock" SVM locking MSR */
++#define X86_FEATURE_NRIPS	(15*32+ 3) /* "nrip_save" SVM next_rip save */
++#define X86_FEATURE_TSCRATEMSR  (15*32+ 4) /* "tsc_scale" TSC scaling support */
++#define X86_FEATURE_VMCBCLEAN   (15*32+ 5) /* "vmcb_clean" VMCB clean bits support */
++#define X86_FEATURE_FLUSHBYASID (15*32+ 6) /* flush-by-ASID support */
++#define X86_FEATURE_DECODEASSISTS (15*32+ 7) /* Decode Assists support */
++#define X86_FEATURE_PAUSEFILTER (15*32+10) /* filtered pause intercept */
++#define X86_FEATURE_PFTHRESHOLD (15*32+12) /* pause filter threshold */
++
++/* Intel-defined CPU features, CPUID level 0x00000007:0 (ecx), word 16 */
++#define X86_FEATURE_PKU		(16*32+ 3) /* Protection Keys for Userspace */
++#define X86_FEATURE_OSPKE	(16*32+ 4) /* OS Protection Keys Enable */
++
++/* AMD-defined CPU features, CPUID level 0x80000007 (ebx), word 17 */
++#define X86_FEATURE_OVERFLOW_RECOV (17*32+0) /* MCA overflow recovery support */
++#define X86_FEATURE_SUCCOR	(17*32+1) /* Uncorrectable error containment and recovery */
++#define X86_FEATURE_SMCA	(17*32+3) /* Scalable MCA */
++
++/*
++ * BUG word(s)
++ */
++#define X86_BUG(x)		(NCAPINTS*32 + (x))
++
++#define X86_BUG_F00F		X86_BUG(0) /* Intel F00F */
++#define X86_BUG_FDIV		X86_BUG(1) /* FPU FDIV */
++#define X86_BUG_COMA		X86_BUG(2) /* Cyrix 6x86 coma */
++#define X86_BUG_AMD_TLB_MMATCH	X86_BUG(3) /* "tlb_mmatch" AMD Erratum 383 */
++#define X86_BUG_AMD_APIC_C1E	X86_BUG(4) /* "apic_c1e" AMD Erratum 400 */
++#define X86_BUG_11AP		X86_BUG(5) /* Bad local APIC aka 11AP */
++#define X86_BUG_FXSAVE_LEAK	X86_BUG(6) /* FXSAVE leaks FOP/FIP/FOP */
++#define X86_BUG_CLFLUSH_MONITOR	X86_BUG(7) /* AAI65, CLFLUSH required before MONITOR */
++#define X86_BUG_SYSRET_SS_ATTRS	X86_BUG(8) /* SYSRET doesn't fix up SS attrs */
++#define X86_BUG_CPU_MELTDOWN	X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */
++#define X86_BUG_SPECTRE_V1	X86_BUG(15) /* CPU is affected by Spectre variant 1 attack with conditional branches */
++#define X86_BUG_SPECTRE_V2	X86_BUG(16) /* CPU is affected by Spectre variant 2 attack with indirect branches */
++
++#endif /* _ASM_X86_CPUFEATURES_H */
+diff --git a/arch/x86/include/asm/disabled-features.h b/arch/x86/include/asm/disabled-features.h
+index 8b17c2ad1048..21c5ac15657b 100644
+--- a/arch/x86/include/asm/disabled-features.h
++++ b/arch/x86/include/asm/disabled-features.h
+@@ -30,6 +30,14 @@
+ # define DISABLE_PCID		(1<<(X86_FEATURE_PCID & 31))
+ #endif /* CONFIG_X86_64 */
+ 
++#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
++# define DISABLE_PKU		0
++# define DISABLE_OSPKE		0
++#else
++# define DISABLE_PKU		(1<<(X86_FEATURE_PKU & 31))
++# define DISABLE_OSPKE		(1<<(X86_FEATURE_OSPKE & 31))
++#endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */
++
+ /*
+  * Make sure to add features to the correct mask
+  */
+@@ -43,5 +51,14 @@
+ #define DISABLED_MASK7	0
+ #define DISABLED_MASK8	0
+ #define DISABLED_MASK9	(DISABLE_MPX)
++#define DISABLED_MASK10	0
++#define DISABLED_MASK11	0
++#define DISABLED_MASK12	0
++#define DISABLED_MASK13	0
++#define DISABLED_MASK14	0
++#define DISABLED_MASK15	0
++#define DISABLED_MASK16	(DISABLE_PKU|DISABLE_OSPKE)
++#define DISABLED_MASK17	0
++#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18)
+ 
+ #endif /* _ASM_X86_DISABLED_FEATURES_H */
+diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
+index 146d838e6ee7..ec2aedb6f92a 100644
+--- a/arch/x86/include/asm/fpu/internal.h
++++ b/arch/x86/include/asm/fpu/internal.h
+@@ -17,6 +17,7 @@
+ #include <asm/user.h>
+ #include <asm/fpu/api.h>
+ #include <asm/fpu/xstate.h>
++#include <asm/cpufeature.h>
+ 
+ /*
+  * High level FPU state handling functions:
+@@ -63,17 +64,17 @@ static __always_inline __pure bool use_eager_fpu(void)
+ 
+ static __always_inline __pure bool use_xsaveopt(void)
+ {
+-	return static_cpu_has_safe(X86_FEATURE_XSAVEOPT);
++	return static_cpu_has(X86_FEATURE_XSAVEOPT);
+ }
+ 
+ static __always_inline __pure bool use_xsave(void)
+ {
+-	return static_cpu_has_safe(X86_FEATURE_XSAVE);
++	return static_cpu_has(X86_FEATURE_XSAVE);
+ }
+ 
+ static __always_inline __pure bool use_fxsr(void)
+ {
+-	return static_cpu_has_safe(X86_FEATURE_FXSR);
++	return static_cpu_has(X86_FEATURE_FXSR);
+ }
+ 
+ /*
+@@ -225,18 +226,67 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
+ #define XRSTOR		".byte " REX_PREFIX "0x0f,0xae,0x2f"
+ #define XRSTORS		".byte " REX_PREFIX "0x0f,0xc7,0x1f"
+ 
+-/* xstate instruction fault handler: */
+-#define xstate_fault(__err)		\
+-					\
+-	".section .fixup,\"ax\"\n"	\
+-					\
+-	"3:  movl $-2,%[_err]\n"	\
+-	"    jmp  2b\n"			\
+-					\
+-	".previous\n"			\
+-					\
+-	_ASM_EXTABLE(1b, 3b)		\
+-	: [_err] "=r" (__err)
++#define XSTATE_OP(op, st, lmask, hmask, err)				\
++	asm volatile("1:" op "\n\t"					\
++		     "xor %[err], %[err]\n"				\
++		     "2:\n\t"						\
++		     ".pushsection .fixup,\"ax\"\n\t"			\
++		     "3: movl $-2,%[err]\n\t"				\
++		     "jmp 2b\n\t"					\
++		     ".popsection\n\t"					\
++		     _ASM_EXTABLE(1b, 3b)				\
++		     : [err] "=r" (err)					\
++		     : "D" (st), "m" (*st), "a" (lmask), "d" (hmask)	\
++		     : "memory")
++
++/*
++ * If XSAVES is enabled, it replaces XSAVEOPT because it supports a compact
++ * format and supervisor states in addition to modified optimization in
++ * XSAVEOPT.
++ *
++ * Otherwise, if XSAVEOPT is enabled, XSAVEOPT replaces XSAVE because XSAVEOPT
++ * supports modified optimization which is not supported by XSAVE.
++ *
++ * We use XSAVE as a fallback.
++ *
++ * The 661 label is defined in the ALTERNATIVE* macros as the address of the
++ * original instruction which gets replaced. We need to use it here as the
++ * address of the instruction where we might get an exception at.
++ */
++#define XSTATE_XSAVE(st, lmask, hmask, err)				\
++	asm volatile(ALTERNATIVE_2(XSAVE,				\
++				   XSAVEOPT, X86_FEATURE_XSAVEOPT,	\
++				   XSAVES,   X86_FEATURE_XSAVES)	\
++		     "\n"						\
++		     "xor %[err], %[err]\n"				\
++		     "3:\n"						\
++		     ".pushsection .fixup,\"ax\"\n"			\
++		     "4: movl $-2, %[err]\n"				\
++		     "jmp 3b\n"						\
++		     ".popsection\n"					\
++		     _ASM_EXTABLE(661b, 4b)				\
++		     : [err] "=r" (err)					\
++		     : "D" (st), "m" (*st), "a" (lmask), "d" (hmask)	\
++		     : "memory")
++
++/*
++ * Use XRSTORS to restore context if it is enabled. XRSTORS supports compact
++ * XSAVE area format.
++ */
++#define XSTATE_XRESTORE(st, lmask, hmask, err)				\
++	asm volatile(ALTERNATIVE(XRSTOR,				\
++				 XRSTORS, X86_FEATURE_XSAVES)		\
++		     "\n"						\
++		     "xor %[err], %[err]\n"				\
++		     "3:\n"						\
++		     ".pushsection .fixup,\"ax\"\n"			\
++		     "4: movl $-2, %[err]\n"				\
++		     "jmp 3b\n"						\
++		     ".popsection\n"					\
++		     _ASM_EXTABLE(661b, 4b)				\
++		     : [err] "=r" (err)					\
++		     : "D" (st), "m" (*st), "a" (lmask), "d" (hmask)	\
++		     : "memory")
+ 
+ /*
+  * This function is called only during boot time when x86 caps are not set
+@@ -247,22 +297,14 @@ static inline void copy_xregs_to_kernel_booting(struct xregs_state *xstate)
+ 	u64 mask = -1;
+ 	u32 lmask = mask;
+ 	u32 hmask = mask >> 32;
+-	int err = 0;
++	int err;
+ 
+ 	WARN_ON(system_state != SYSTEM_BOOTING);
+ 
+-	if (boot_cpu_has(X86_FEATURE_XSAVES))
+-		asm volatile("1:"XSAVES"\n\t"
+-			"2:\n\t"
+-			     xstate_fault(err)
+-			: "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err)
+-			: "memory");
++	if (static_cpu_has(X86_FEATURE_XSAVES))
++		XSTATE_OP(XSAVES, xstate, lmask, hmask, err);
+ 	else
+-		asm volatile("1:"XSAVE"\n\t"
+-			"2:\n\t"
+-			     xstate_fault(err)
+-			: "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err)
+-			: "memory");
++		XSTATE_OP(XSAVE, xstate, lmask, hmask, err);
+ 
+ 	/* We should never fault when copying to a kernel buffer: */
+ 	WARN_ON_FPU(err);
+@@ -277,22 +319,14 @@ static inline void copy_kernel_to_xregs_booting(struct xregs_state *xstate)
+ 	u64 mask = -1;
+ 	u32 lmask = mask;
+ 	u32 hmask = mask >> 32;
+-	int err = 0;
++	int err;
+ 
+ 	WARN_ON(system_state != SYSTEM_BOOTING);
+ 
+-	if (boot_cpu_has(X86_FEATURE_XSAVES))
+-		asm volatile("1:"XRSTORS"\n\t"
+-			"2:\n\t"
+-			     xstate_fault(err)
+-			: "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err)
+-			: "memory");
++	if (static_cpu_has(X86_FEATURE_XSAVES))
++		XSTATE_OP(XRSTORS, xstate, lmask, hmask, err);
+ 	else
+-		asm volatile("1:"XRSTOR"\n\t"
+-			"2:\n\t"
+-			     xstate_fault(err)
+-			: "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err)
+-			: "memory");
++		XSTATE_OP(XRSTOR, xstate, lmask, hmask, err);
+ 
+ 	/* We should never fault when copying from a kernel buffer: */
+ 	WARN_ON_FPU(err);
+@@ -306,33 +340,11 @@ static inline void copy_xregs_to_kernel(struct xregs_state *xstate)
+ 	u64 mask = -1;
+ 	u32 lmask = mask;
+ 	u32 hmask = mask >> 32;
+-	int err = 0;
++	int err;
+ 
+ 	WARN_ON(!alternatives_patched);
+ 
+-	/*
+-	 * If xsaves is enabled, xsaves replaces xsaveopt because
+-	 * it supports compact format and supervisor states in addition to
+-	 * modified optimization in xsaveopt.
+-	 *
+-	 * Otherwise, if xsaveopt is enabled, xsaveopt replaces xsave
+-	 * because xsaveopt supports modified optimization which is not
+-	 * supported by xsave.
+-	 *
+-	 * If none of xsaves and xsaveopt is enabled, use xsave.
+-	 */
+-	alternative_input_2(
+-		"1:"XSAVE,
+-		XSAVEOPT,
+-		X86_FEATURE_XSAVEOPT,
+-		XSAVES,
+-		X86_FEATURE_XSAVES,
+-		[xstate] "D" (xstate), "a" (lmask), "d" (hmask) :
+-		"memory");
+-	asm volatile("2:\n\t"
+-		     xstate_fault(err)
+-		     : "0" (err)
+-		     : "memory");
++	XSTATE_XSAVE(xstate, lmask, hmask, err);
+ 
+ 	/* We should never fault when copying to a kernel buffer: */
+ 	WARN_ON_FPU(err);
+@@ -345,23 +357,9 @@ static inline void copy_kernel_to_xregs(struct xregs_state *xstate, u64 mask)
+ {
+ 	u32 lmask = mask;
+ 	u32 hmask = mask >> 32;
+-	int err = 0;
++	int err;
+ 
+-	/*
+-	 * Use xrstors to restore context if it is enabled. xrstors supports
+-	 * compacted format of xsave area which is not supported by xrstor.
+-	 */
+-	alternative_input(
+-		"1: " XRSTOR,
+-		XRSTORS,
+-		X86_FEATURE_XSAVES,
+-		"D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask)
+-		: "memory");
+-
+-	asm volatile("2:\n"
+-		     xstate_fault(err)
+-		     : "0" (err)
+-		     : "memory");
++	XSTATE_XRESTORE(xstate, lmask, hmask, err);
+ 
+ 	/* We should never fault when copying from a kernel buffer: */
+ 	WARN_ON_FPU(err);
+@@ -389,12 +387,10 @@ static inline int copy_xregs_to_user(struct xregs_state __user *buf)
+ 	if (unlikely(err))
+ 		return -EFAULT;
+ 
+-	__asm__ __volatile__(ASM_STAC "\n"
+-			     "1:"XSAVE"\n"
+-			     "2: " ASM_CLAC "\n"
+-			     xstate_fault(err)
+-			     : "D" (buf), "a" (-1), "d" (-1), "0" (err)
+-			     : "memory");
++	stac();
++	XSTATE_OP(XSAVE, buf, -1, -1, err);
++	clac();
++
+ 	return err;
+ }
+ 
+@@ -406,14 +402,12 @@ static inline int copy_user_to_xregs(struct xregs_state __user *buf, u64 mask)
+ 	struct xregs_state *xstate = ((__force struct xregs_state *)buf);
+ 	u32 lmask = mask;
+ 	u32 hmask = mask >> 32;
+-	int err = 0;
+-
+-	__asm__ __volatile__(ASM_STAC "\n"
+-			     "1:"XRSTOR"\n"
+-			     "2: " ASM_CLAC "\n"
+-			     xstate_fault(err)
+-			     : "D" (xstate), "a" (lmask), "d" (hmask), "0" (err)
+-			     : "memory");	/* memory required? */
++	int err;
++
++	stac();
++	XSTATE_OP(XRSTOR, xstate, lmask, hmask, err);
++	clac();
++
+ 	return err;
+ }
+ 
+@@ -467,7 +461,7 @@ static inline void copy_kernel_to_fpregs(union fpregs_state *fpstate)
+ 	 * pending. Clear the x87 state here by setting it to fixed values.
+ 	 * "m" is a random variable that should be in L1.
+ 	 */
+-	if (unlikely(static_cpu_has_bug_safe(X86_BUG_FXSAVE_LEAK))) {
++	if (unlikely(static_cpu_has_bug(X86_BUG_FXSAVE_LEAK))) {
+ 		asm volatile(
+ 			"fnclex\n\t"
+ 			"emms\n\t"
+diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h
+index 78162f8e248b..d0afb05c84fc 100644
+--- a/arch/x86/include/asm/irq_work.h
++++ b/arch/x86/include/asm/irq_work.h
+@@ -1,7 +1,7 @@
+ #ifndef _ASM_IRQ_WORK_H
+ #define _ASM_IRQ_WORK_H
+ 
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ 
+ static inline bool arch_irq_work_has_interrupt(void)
+ {
+diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
+index c70689b5e5aa..0deeb2d26df7 100644
+--- a/arch/x86/include/asm/mwait.h
++++ b/arch/x86/include/asm/mwait.h
+@@ -3,6 +3,8 @@
+ 
+ #include <linux/sched.h>
+ 
++#include <asm/cpufeature.h>
++
+ #define MWAIT_SUBSTATE_MASK		0xf
+ #define MWAIT_CSTATE_MASK		0xf
+ #define MWAIT_SUBSTATE_SIZE		4
+diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
+index 249f1c769f21..8b910416243c 100644
+--- a/arch/x86/include/asm/nospec-branch.h
++++ b/arch/x86/include/asm/nospec-branch.h
+@@ -5,7 +5,7 @@
+ 
+ #include <asm/alternative.h>
+ #include <asm/alternative-asm.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ 
+ /*
+  * Fill the CPU return stack buffer.
+diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
+index 9e77cea2a8ef..8e415cf65457 100644
+--- a/arch/x86/include/asm/processor.h
++++ b/arch/x86/include/asm/processor.h
+@@ -13,7 +13,7 @@ struct vm86;
+ #include <asm/types.h>
+ #include <uapi/asm/sigcontext.h>
+ #include <asm/current.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/page.h>
+ #include <asm/pgtable_types.h>
+ #include <asm/percpu.h>
+@@ -24,7 +24,6 @@ struct vm86;
+ #include <asm/fpu/types.h>
+ 
+ #include <linux/personality.h>
+-#include <linux/cpumask.h>
+ #include <linux/cache.h>
+ #include <linux/threads.h>
+ #include <linux/math64.h>
+diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h
+index 5c6e4fb370f5..fac9a5c0abe9 100644
+--- a/arch/x86/include/asm/required-features.h
++++ b/arch/x86/include/asm/required-features.h
+@@ -92,5 +92,14 @@
+ #define REQUIRED_MASK7	0
+ #define REQUIRED_MASK8	0
+ #define REQUIRED_MASK9	0
++#define REQUIRED_MASK10	0
++#define REQUIRED_MASK11	0
++#define REQUIRED_MASK12	0
++#define REQUIRED_MASK13	0
++#define REQUIRED_MASK14	0
++#define REQUIRED_MASK15	0
++#define REQUIRED_MASK16	0
++#define REQUIRED_MASK17	0
++#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18)
+ 
+ #endif /* _ASM_X86_REQUIRED_FEATURES_H */
+diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h
+index ba665ebd17bb..db333300bd4b 100644
+--- a/arch/x86/include/asm/smap.h
++++ b/arch/x86/include/asm/smap.h
+@@ -15,7 +15,7 @@
+ 
+ #include <linux/stringify.h>
+ #include <asm/nops.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ 
+ /* "Raw" instruction opcodes */
+ #define __ASM_CLAC	.byte 0x0f,0x01,0xca
+diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
+index a438c5598a90..04d6eef5f8a5 100644
+--- a/arch/x86/include/asm/smp.h
++++ b/arch/x86/include/asm/smp.h
+@@ -16,7 +16,6 @@
+ #endif
+ #include <asm/thread_info.h>
+ #include <asm/cpumask.h>
+-#include <asm/cpufeature.h>
+ 
+ extern int smp_num_siblings;
+ extern unsigned int num_processors;
+diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
+index 9b028204685d..18c9aaa8c043 100644
+--- a/arch/x86/include/asm/thread_info.h
++++ b/arch/x86/include/asm/thread_info.h
+@@ -49,7 +49,7 @@
+  */
+ #ifndef __ASSEMBLY__
+ struct task_struct;
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <linux/atomic.h>
+ 
+ struct thread_info {
+diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
+index a691b66cc40a..e2a89d2577fb 100644
+--- a/arch/x86/include/asm/tlbflush.h
++++ b/arch/x86/include/asm/tlbflush.h
+@@ -5,6 +5,7 @@
+ #include <linux/sched.h>
+ 
+ #include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <asm/special_insns.h>
+ #include <asm/smp.h>
+ 
+diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
+index f2f9b39b274a..d83a55b95a48 100644
+--- a/arch/x86/include/asm/uaccess_64.h
++++ b/arch/x86/include/asm/uaccess_64.h
+@@ -8,7 +8,7 @@
+ #include <linux/errno.h>
+ #include <linux/lockdep.h>
+ #include <asm/alternative.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/page.h>
+ 
+ /*
+diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
+index 2bd2292a316d..bac0805ea1d9 100644
+--- a/arch/x86/kernel/apic/apic_numachip.c
++++ b/arch/x86/kernel/apic/apic_numachip.c
+@@ -30,7 +30,7 @@ static unsigned int numachip1_get_apic_id(unsigned long x)
+ 	unsigned long value;
+ 	unsigned int id = (x >> 24) & 0xff;
+ 
+-	if (static_cpu_has_safe(X86_FEATURE_NODEID_MSR)) {
++	if (static_cpu_has(X86_FEATURE_NODEID_MSR)) {
+ 		rdmsrl(MSR_FAM10H_NODE_ID, value);
+ 		id |= (value << 2) & 0xff00;
+ 	}
+@@ -178,7 +178,7 @@ static void fixup_cpu_id(struct cpuinfo_x86 *c, int node)
+ 	this_cpu_write(cpu_llc_id, node);
+ 
+ 	/* Account for nodes per socket in multi-core-module processors */
+-	if (static_cpu_has_safe(X86_FEATURE_NODEID_MSR)) {
++	if (static_cpu_has(X86_FEATURE_NODEID_MSR)) {
+ 		rdmsrl(MSR_FAM10H_NODE_ID, val);
+ 		nodes = ((val >> 3) & 7) + 1;
+ 	}
+diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
+index 8f184615053b..924b65794abd 100644
+--- a/arch/x86/kernel/cpu/Makefile
++++ b/arch/x86/kernel/cpu/Makefile
+@@ -62,7 +62,7 @@ ifdef CONFIG_X86_FEATURE_NAMES
+ quiet_cmd_mkcapflags = MKCAP   $@
+       cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)/$(src)/mkcapflags.sh $< $@
+ 
+-cpufeature = $(src)/../../include/asm/cpufeature.h
++cpufeature = $(src)/../../include/asm/cpufeatures.h
+ 
+ targets += capflags.c
+ $(obj)/capflags.c: $(cpufeature) $(src)/mkcapflags.sh FORCE
+diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c
+index d8fba5c15fbd..6608c03c2126 100644
+--- a/arch/x86/kernel/cpu/centaur.c
++++ b/arch/x86/kernel/cpu/centaur.c
+@@ -1,7 +1,7 @@
+ #include <linux/bitops.h>
+ #include <linux/kernel.h>
+ 
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <asm/e820.h>
+ #include <asm/mtrr.h>
+ #include <asm/msr.h>
+@@ -43,7 +43,7 @@ static void init_c3(struct cpuinfo_x86 *c)
+ 		/* store Centaur Extended Feature Flags as
+ 		 * word 5 of the CPU capability bit array
+ 		 */
+-		c->x86_capability[5] = cpuid_edx(0xC0000001);
++		c->x86_capability[CPUID_C000_0001_EDX] = cpuid_edx(0xC0000001);
+ 	}
+ #ifdef CONFIG_X86_32
+ 	/* Cyrix III family needs CX8 & PGE explicitly enabled. */
+diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
+index 0498ad3702f5..814276d0eed1 100644
+--- a/arch/x86/kernel/cpu/common.c
++++ b/arch/x86/kernel/cpu/common.c
+@@ -676,50 +676,48 @@ static void apply_forced_caps(struct cpuinfo_x86 *c)
+ 
+ void get_cpu_cap(struct cpuinfo_x86 *c)
+ {
+-	u32 tfms, xlvl;
+-	u32 ebx;
++	u32 eax, ebx, ecx, edx;
+ 
+ 	/* Intel-defined flags: level 0x00000001 */
+ 	if (c->cpuid_level >= 0x00000001) {
+-		u32 capability, excap;
++		cpuid(0x00000001, &eax, &ebx, &ecx, &edx);
+ 
+-		cpuid(0x00000001, &tfms, &ebx, &excap, &capability);
+-		c->x86_capability[0] = capability;
+-		c->x86_capability[4] = excap;
++		c->x86_capability[CPUID_1_ECX] = ecx;
++		c->x86_capability[CPUID_1_EDX] = edx;
+ 	}
+ 
+ 	/* Additional Intel-defined flags: level 0x00000007 */
+ 	if (c->cpuid_level >= 0x00000007) {
+-		u32 eax, ebx, ecx, edx;
+-
+ 		cpuid_count(0x00000007, 0, &eax, &ebx, &ecx, &edx);
+ 
+-		c->x86_capability[9] = ebx;
++		c->x86_capability[CPUID_7_0_EBX] = ebx;
++
++		c->x86_capability[CPUID_6_EAX] = cpuid_eax(0x00000006);
++		c->x86_capability[CPUID_7_ECX] = ecx;
+ 	}
+ 
+ 	/* Extended state features: level 0x0000000d */
+ 	if (c->cpuid_level >= 0x0000000d) {
+-		u32 eax, ebx, ecx, edx;
+-
+ 		cpuid_count(0x0000000d, 1, &eax, &ebx, &ecx, &edx);
+ 
+-		c->x86_capability[10] = eax;
++		c->x86_capability[CPUID_D_1_EAX] = eax;
+ 	}
+ 
+ 	/* Additional Intel-defined flags: level 0x0000000F */
+ 	if (c->cpuid_level >= 0x0000000F) {
+-		u32 eax, ebx, ecx, edx;
+ 
+ 		/* QoS sub-leaf, EAX=0Fh, ECX=0 */
+ 		cpuid_count(0x0000000F, 0, &eax, &ebx, &ecx, &edx);
+-		c->x86_capability[11] = edx;
++		c->x86_capability[CPUID_F_0_EDX] = edx;
++
+ 		if (cpu_has(c, X86_FEATURE_CQM_LLC)) {
+ 			/* will be overridden if occupancy monitoring exists */
+ 			c->x86_cache_max_rmid = ebx;
+ 
+ 			/* QoS sub-leaf, EAX=0Fh, ECX=1 */
+ 			cpuid_count(0x0000000F, 1, &eax, &ebx, &ecx, &edx);
+-			c->x86_capability[12] = edx;
++			c->x86_capability[CPUID_F_1_EDX] = edx;
++
+ 			if (cpu_has(c, X86_FEATURE_CQM_OCCUP_LLC)) {
+ 				c->x86_cache_max_rmid = ecx;
+ 				c->x86_cache_occ_scale = ebx;
+@@ -731,30 +729,39 @@ void get_cpu_cap(struct cpuinfo_x86 *c)
+ 	}
+ 
+ 	/* AMD-defined flags: level 0x80000001 */
+-	xlvl = cpuid_eax(0x80000000);
+-	c->extended_cpuid_level = xlvl;
++	eax = cpuid_eax(0x80000000);
++	c->extended_cpuid_level = eax;
++
++	if ((eax & 0xffff0000) == 0x80000000) {
++		if (eax >= 0x80000001) {
++			cpuid(0x80000001, &eax, &ebx, &ecx, &edx);
+ 
+-	if ((xlvl & 0xffff0000) == 0x80000000) {
+-		if (xlvl >= 0x80000001) {
+-			c->x86_capability[1] = cpuid_edx(0x80000001);
+-			c->x86_capability[6] = cpuid_ecx(0x80000001);
++			c->x86_capability[CPUID_8000_0001_ECX] = ecx;
++			c->x86_capability[CPUID_8000_0001_EDX] = edx;
+ 		}
+ 	}
+ 
++	if (c->extended_cpuid_level >= 0x80000007) {
++		cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
++
++		c->x86_capability[CPUID_8000_0007_EBX] = ebx;
++		c->x86_power = edx;
++	}
++
+ 	if (c->extended_cpuid_level >= 0x80000008) {
+-		u32 eax = cpuid_eax(0x80000008);
++		cpuid(0x80000008, &eax, &ebx, &ecx, &edx);
+ 
+ 		c->x86_virt_bits = (eax >> 8) & 0xff;
+ 		c->x86_phys_bits = eax & 0xff;
+-		c->x86_capability[13] = cpuid_ebx(0x80000008);
++		c->x86_capability[CPUID_8000_0008_EBX] = ebx;
+ 	}
+ #ifdef CONFIG_X86_32
+ 	else if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))
+ 		c->x86_phys_bits = 36;
+ #endif
+ 
+-	if (c->extended_cpuid_level >= 0x80000007)
+-		c->x86_power = cpuid_edx(0x80000007);
++	if (c->extended_cpuid_level >= 0x8000000a)
++		c->x86_capability[CPUID_8000_000A_EDX] = cpuid_edx(0x8000000a);
+ 
+ 	init_scattered_cpuid_features(c);
+ }
+@@ -1574,20 +1581,6 @@ void cpu_init(void)
+ }
+ #endif
+ 
+-#ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS
+-void warn_pre_alternatives(void)
+-{
+-	WARN(1, "You're using static_cpu_has before alternatives have run!\n");
+-}
+-EXPORT_SYMBOL_GPL(warn_pre_alternatives);
+-#endif
+-
+-inline bool __static_cpu_has_safe(u16 bit)
+-{
+-	return boot_cpu_has(bit);
+-}
+-EXPORT_SYMBOL_GPL(__static_cpu_has_safe);
+-
+ static void bsp_resume(void)
+ {
+ 	if (this_cpu->c_bsp_resume)
+diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
+index aaf152e79637..15e47c1cd412 100644
+--- a/arch/x86/kernel/cpu/cyrix.c
++++ b/arch/x86/kernel/cpu/cyrix.c
+@@ -8,6 +8,7 @@
+ #include <linux/timer.h>
+ #include <asm/pci-direct.h>
+ #include <asm/tsc.h>
++#include <asm/cpufeature.h>
+ 
+ #include "cpu.h"
+ 
+diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
+index 565648bc1a0a..9299e3bdfad6 100644
+--- a/arch/x86/kernel/cpu/intel.c
++++ b/arch/x86/kernel/cpu/intel.c
+@@ -8,7 +8,7 @@
+ #include <linux/module.h>
+ #include <linux/uaccess.h>
+ 
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <asm/pgtable.h>
+ #include <asm/msr.h>
+ #include <asm/bugs.h>
+diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
+index 3fa72317ad78..3557b3ceab14 100644
+--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
++++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
+@@ -14,7 +14,7 @@
+ #include <linux/sysfs.h>
+ #include <linux/pci.h>
+ 
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <asm/amd_nb.h>
+ #include <asm/smp.h>
+ 
+diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c
+index afa9f0d487ea..fbb5e90557a5 100644
+--- a/arch/x86/kernel/cpu/match.c
++++ b/arch/x86/kernel/cpu/match.c
+@@ -1,5 +1,5 @@
+ #include <asm/cpu_device_id.h>
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <linux/cpu.h>
+ #include <linux/module.h>
+ #include <linux/slab.h>
+diff --git a/arch/x86/kernel/cpu/mkcapflags.sh b/arch/x86/kernel/cpu/mkcapflags.sh
+index 3f20710a5b23..6988c74409a8 100644
+--- a/arch/x86/kernel/cpu/mkcapflags.sh
++++ b/arch/x86/kernel/cpu/mkcapflags.sh
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ #
+-# Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeature.h
++# Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h
+ #
+ 
+ IN=$1
+@@ -49,8 +49,8 @@ dump_array()
+ trap 'rm "$OUT"' EXIT
+ 
+ (
+-	echo "#ifndef _ASM_X86_CPUFEATURE_H"
+-	echo "#include <asm/cpufeature.h>"
++	echo "#ifndef _ASM_X86_CPUFEATURES_H"
++	echo "#include <asm/cpufeatures.h>"
+ 	echo "#endif"
+ 	echo ""
+ 
+diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
+index f924f41af89a..49bd700d9b7f 100644
+--- a/arch/x86/kernel/cpu/mtrr/main.c
++++ b/arch/x86/kernel/cpu/mtrr/main.c
+@@ -47,7 +47,7 @@
+ #include <linux/smp.h>
+ #include <linux/syscore_ops.h>
+ 
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <asm/e820.h>
+ #include <asm/mtrr.h>
+ #include <asm/msr.h>
+diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
+index 608fb26c7254..8cb57df9398d 100644
+--- a/arch/x86/kernel/cpu/scattered.c
++++ b/arch/x86/kernel/cpu/scattered.c
+@@ -31,32 +31,12 @@ void init_scattered_cpuid_features(struct cpuinfo_x86 *c)
+ 	const struct cpuid_bit *cb;
+ 
+ 	static const struct cpuid_bit cpuid_bits[] = {
+-		{ X86_FEATURE_DTHERM,		CR_EAX, 0, 0x00000006, 0 },
+-		{ X86_FEATURE_IDA,		CR_EAX, 1, 0x00000006, 0 },
+-		{ X86_FEATURE_ARAT,		CR_EAX, 2, 0x00000006, 0 },
+-		{ X86_FEATURE_PLN,		CR_EAX, 4, 0x00000006, 0 },
+-		{ X86_FEATURE_PTS,		CR_EAX, 6, 0x00000006, 0 },
+-		{ X86_FEATURE_HWP,		CR_EAX, 7, 0x00000006, 0 },
+-		{ X86_FEATURE_HWP_NOTIFY,	CR_EAX, 8, 0x00000006, 0 },
+-		{ X86_FEATURE_HWP_ACT_WINDOW,	CR_EAX, 9, 0x00000006, 0 },
+-		{ X86_FEATURE_HWP_EPP,		CR_EAX,10, 0x00000006, 0 },
+-		{ X86_FEATURE_HWP_PKG_REQ,	CR_EAX,11, 0x00000006, 0 },
+ 		{ X86_FEATURE_INTEL_PT,		CR_EBX,25, 0x00000007, 0 },
+ 		{ X86_FEATURE_APERFMPERF,	CR_ECX, 0, 0x00000006, 0 },
+ 		{ X86_FEATURE_EPB,		CR_ECX, 3, 0x00000006, 0 },
+ 		{ X86_FEATURE_HW_PSTATE,	CR_EDX, 7, 0x80000007, 0 },
+ 		{ X86_FEATURE_CPB,		CR_EDX, 9, 0x80000007, 0 },
+ 		{ X86_FEATURE_PROC_FEEDBACK,	CR_EDX,11, 0x80000007, 0 },
+-		{ X86_FEATURE_NPT,		CR_EDX, 0, 0x8000000a, 0 },
+-		{ X86_FEATURE_LBRV,		CR_EDX, 1, 0x8000000a, 0 },
+-		{ X86_FEATURE_SVML,		CR_EDX, 2, 0x8000000a, 0 },
+-		{ X86_FEATURE_NRIPS,		CR_EDX, 3, 0x8000000a, 0 },
+-		{ X86_FEATURE_TSCRATEMSR,	CR_EDX, 4, 0x8000000a, 0 },
+-		{ X86_FEATURE_VMCBCLEAN,	CR_EDX, 5, 0x8000000a, 0 },
+-		{ X86_FEATURE_FLUSHBYASID,	CR_EDX, 6, 0x8000000a, 0 },
+-		{ X86_FEATURE_DECODEASSISTS,	CR_EDX, 7, 0x8000000a, 0 },
+-		{ X86_FEATURE_PAUSEFILTER,	CR_EDX,10, 0x8000000a, 0 },
+-		{ X86_FEATURE_PFTHRESHOLD,	CR_EDX,12, 0x8000000a, 0 },
+ 		{ 0, 0, 0, 0, 0 }
+ 	};
+ 
+diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c
+index 3fa0e5ad86b4..a19a663282b5 100644
+--- a/arch/x86/kernel/cpu/transmeta.c
++++ b/arch/x86/kernel/cpu/transmeta.c
+@@ -1,6 +1,6 @@
+ #include <linux/kernel.h>
+ #include <linux/mm.h>
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <asm/msr.h>
+ #include "cpu.h"
+ 
+@@ -12,7 +12,7 @@ static void early_init_transmeta(struct cpuinfo_x86 *c)
+ 	xlvl = cpuid_eax(0x80860000);
+ 	if ((xlvl & 0xffff0000) == 0x80860000) {
+ 		if (xlvl >= 0x80860001)
+-			c->x86_capability[2] = cpuid_edx(0x80860001);
++			c->x86_capability[CPUID_8086_0001_EDX] = cpuid_edx(0x80860001);
+ 	}
+ }
+ 
+@@ -82,7 +82,7 @@ static void init_transmeta(struct cpuinfo_x86 *c)
+ 	/* Unhide possibly hidden capability flags */
+ 	rdmsr(0x80860004, cap_mask, uk);
+ 	wrmsr(0x80860004, ~0, uk);
+-	c->x86_capability[0] = cpuid_edx(0x00000001);
++	c->x86_capability[CPUID_1_EDX] = cpuid_edx(0x00000001);
+ 	wrmsr(0x80860004, cap_mask, uk);
+ 
+ 	/* All Transmeta CPUs have a constant TSC */
+diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
+index 52a2526c3fbe..19bc19d5e174 100644
+--- a/arch/x86/kernel/e820.c
++++ b/arch/x86/kernel/e820.c
+@@ -24,6 +24,7 @@
+ #include <asm/e820.h>
+ #include <asm/proto.h>
+ #include <asm/setup.h>
++#include <asm/cpufeature.h>
+ 
+ /*
+  * The e820 map is the map that gets modified e.g. with command line parameters
+diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
+index 70284d38fdc2..1c0b49fd6365 100644
+--- a/arch/x86/kernel/head_32.S
++++ b/arch/x86/kernel/head_32.S
+@@ -19,7 +19,7 @@
+ #include <asm/setup.h>
+ #include <asm/processor-flags.h>
+ #include <asm/msr-index.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/percpu.h>
+ #include <asm/nops.h>
+ #include <asm/bootparam.h>
+diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
+index 4034e905741a..734ba1d0f686 100644
+--- a/arch/x86/kernel/head_64.S
++++ b/arch/x86/kernel/head_64.S
+@@ -76,9 +76,7 @@ startup_64:
+ 	subq	$_text - __START_KERNEL_map, %rbp
+ 
+ 	/* Is the address not 2M aligned? */
+-	movq	%rbp, %rax
+-	andl	$~PMD_PAGE_MASK, %eax
+-	testl	%eax, %eax
++	testl	$~PMD_PAGE_MASK, %ebp
+ 	jnz	bad_address
+ 
+ 	/*
+diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
+index f48eb8eeefe2..3fdc1e53aaac 100644
+--- a/arch/x86/kernel/hpet.c
++++ b/arch/x86/kernel/hpet.c
+@@ -12,6 +12,7 @@
+ #include <linux/pm.h>
+ #include <linux/io.h>
+ 
++#include <asm/cpufeature.h>
+ #include <asm/irqdomain.h>
+ #include <asm/fixmap.h>
+ #include <asm/hpet.h>
+diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
+index 113e70784854..f95ac5d435aa 100644
+--- a/arch/x86/kernel/msr.c
++++ b/arch/x86/kernel/msr.c
+@@ -40,7 +40,7 @@
+ #include <linux/uaccess.h>
+ #include <linux/gfp.h>
+ 
+-#include <asm/processor.h>
++#include <asm/cpufeature.h>
+ #include <asm/msr.h>
+ 
+ static struct class *msr_class;
+diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
+index c6aace2bbe08..b8105289c60b 100644
+--- a/arch/x86/kernel/uprobes.c
++++ b/arch/x86/kernel/uprobes.c
+@@ -290,7 +290,7 @@ static int uprobe_init_insn(struct arch_uprobe *auprobe, struct insn *insn, bool
+ 	insn_init(insn, auprobe->insn, sizeof(auprobe->insn), x86_64);
+ 	/* has the side-effect of processing the entire instruction */
+ 	insn_get_length(insn);
+-	if (WARN_ON_ONCE(!insn_complete(insn)))
++	if (!insn_complete(insn))
+ 		return -ENOEXEC;
+ 
+ 	if (is_prefix_bad(insn))
+diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S
+index 4cf401f581e7..b7c9db5deebe 100644
+--- a/arch/x86/kernel/verify_cpu.S
++++ b/arch/x86/kernel/verify_cpu.S
+@@ -30,7 +30,7 @@
+  * 	appropriately. Either display a message or halt.
+  */
+ 
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/msr-index.h>
+ 
+ verify_cpu:
+diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
+index d6d64a519559..7f4839ef3608 100644
+--- a/arch/x86/kernel/vm86_32.c
++++ b/arch/x86/kernel/vm86_32.c
+@@ -358,7 +358,7 @@ static long do_sys_vm86(struct vm86plus_struct __user *user_vm86, bool plus)
+ 	/* make room for real-mode segments */
+ 	tsk->thread.sp0 += 16;
+ 
+-	if (static_cpu_has_safe(X86_FEATURE_SEP))
++	if (static_cpu_has(X86_FEATURE_SEP))
+ 		tsk->thread.sysenter_cs = 0;
+ 
+ 	load_sp0(tss, &tsk->thread);
+diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
+index e065065a4dfb..a703842b54de 100644
+--- a/arch/x86/kernel/vmlinux.lds.S
++++ b/arch/x86/kernel/vmlinux.lds.S
+@@ -202,6 +202,17 @@ SECTIONS
+ 	:init
+ #endif
+ 
++	/*
++	 * Section for code used exclusively before alternatives are run. All
++	 * references to such code must be patched out by alternatives, normally
++	 * by using X86_FEATURE_ALWAYS CPU feature bit.
++	 *
++	 * See static_cpu_has() for an example.
++	 */
++	.altinstr_aux : AT(ADDR(.altinstr_aux) - LOAD_OFFSET) {
++		*(.altinstr_aux)
++	}
++
+ 	INIT_DATA_SECTION(16)
+ 
+ 	.x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
+diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S
+index a2fe51b00cce..65be7cfaf947 100644
+--- a/arch/x86/lib/clear_page_64.S
++++ b/arch/x86/lib/clear_page_64.S
+@@ -1,5 +1,5 @@
+ #include <linux/linkage.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ 
+ /*
+diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S
+index 009f98216b7e..24ef1c2104d4 100644
+--- a/arch/x86/lib/copy_page_64.S
++++ b/arch/x86/lib/copy_page_64.S
+@@ -1,7 +1,7 @@
+ /* Written 2003 by Andi Kleen, based on a kernel by Evandro Menezes */
+ 
+ #include <linux/linkage.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ 
+ /*
+diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
+index 423644c230e7..accf7f2f557f 100644
+--- a/arch/x86/lib/copy_user_64.S
++++ b/arch/x86/lib/copy_user_64.S
+@@ -10,7 +10,7 @@
+ #include <asm/current.h>
+ #include <asm/asm-offsets.h>
+ #include <asm/thread_info.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ #include <asm/asm.h>
+ #include <asm/smap.h>
+diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S
+index 16698bba87de..a0de849435ad 100644
+--- a/arch/x86/lib/memcpy_64.S
++++ b/arch/x86/lib/memcpy_64.S
+@@ -1,7 +1,7 @@
+ /* Copyright 2002 Andi Kleen */
+ 
+ #include <linux/linkage.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ 
+ /*
+diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S
+index ca2afdd6d98e..90ce01bee00c 100644
+--- a/arch/x86/lib/memmove_64.S
++++ b/arch/x86/lib/memmove_64.S
+@@ -6,7 +6,7 @@
+  *	- Copyright 2011 Fenghua Yu <fenghua.yu@×××××.com>
+  */
+ #include <linux/linkage.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ 
+ #undef memmove
+diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S
+index 2661fad05827..c9c81227ea37 100644
+--- a/arch/x86/lib/memset_64.S
++++ b/arch/x86/lib/memset_64.S
+@@ -1,7 +1,7 @@
+ /* Copyright 2002 Andi Kleen, SuSE Labs */
+ 
+ #include <linux/linkage.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ 
+ .weak memset
+diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
+index 3d06b482ebc7..7bbb853e36bd 100644
+--- a/arch/x86/lib/retpoline.S
++++ b/arch/x86/lib/retpoline.S
+@@ -3,7 +3,7 @@
+ #include <linux/stringify.h>
+ #include <linux/linkage.h>
+ #include <asm/dwarf2.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/alternative-asm.h>
+ #include <asm-generic/export.h>
+ #include <asm/nospec-branch.h>
+diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
+index 92e2eacb3321..f65a33f505b6 100644
+--- a/arch/x86/mm/setup_nx.c
++++ b/arch/x86/mm/setup_nx.c
+@@ -4,6 +4,7 @@
+ 
+ #include <asm/pgtable.h>
+ #include <asm/proto.h>
++#include <asm/cpufeature.h>
+ 
+ static int disable_nx;
+ 
+diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
+index 50d86c0e9ba4..660a83c8287b 100644
+--- a/arch/x86/oprofile/op_model_amd.c
++++ b/arch/x86/oprofile/op_model_amd.c
+@@ -24,7 +24,6 @@
+ #include <asm/nmi.h>
+ #include <asm/apic.h>
+ #include <asm/processor.h>
+-#include <asm/cpufeature.h>
+ 
+ #include "op_x86_model.h"
+ #include "op_counter.h"
+diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h
+index 755481f14d90..764ac2fc53fe 100644
+--- a/arch/x86/um/asm/barrier.h
++++ b/arch/x86/um/asm/barrier.h
+@@ -3,7 +3,7 @@
+ 
+ #include <asm/asm.h>
+ #include <asm/segment.h>
+-#include <asm/cpufeature.h>
++#include <asm/cpufeatures.h>
+ #include <asm/cmpxchg.h>
+ #include <asm/nops.h>
+ 
+diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
+index 5a6a01135470..34fdaa6e99ba 100644
+--- a/drivers/ata/ahci.c
++++ b/drivers/ata/ahci.c
+@@ -1229,6 +1229,59 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
+ 	return strcmp(buf, dmi->driver_data) < 0;
+ }
+ 
++static bool ahci_broken_lpm(struct pci_dev *pdev)
++{
++	static const struct dmi_system_id sysids[] = {
++		/* Various Lenovo 50 series have LPM issues with older BIOSen */
++		{
++			.matches = {
++				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
++				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
++			},
++			.driver_data = "20180406", /* 1.31 */
++		},
++		{
++			.matches = {
++				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
++				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
++			},
++			.driver_data = "20180420", /* 1.28 */
++		},
++		{
++			.matches = {
++				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
++				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
++			},
++			.driver_data = "20180315", /* 1.33 */
++		},
++		{
++			.matches = {
++				DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
++				DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
++			},
++			/*
++			 * Note date based on release notes, 2.35 has been
++			 * reported to be good, but I've been unable to get
++			 * a hold of the reporter to get the DMI BIOS date.
++			 * TODO: fix this.
++			 */
++			.driver_data = "20180310", /* 2.35 */
++		},
++		{ }	/* terminate list */
++	};
++	const struct dmi_system_id *dmi = dmi_first_match(sysids);
++	int year, month, date;
++	char buf[9];
++
++	if (!dmi)
++		return false;
++
++	dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
++	snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
++
++	return strcmp(buf, dmi->driver_data) < 0;
++}
++
+ static bool ahci_broken_online(struct pci_dev *pdev)
+ {
+ #define ENCODE_BUSDEVFN(bus, slot, func)			\
+@@ -1588,6 +1641,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+ 			"quirky BIOS, skipping spindown on poweroff\n");
+ 	}
+ 
++	if (ahci_broken_lpm(pdev)) {
++		pi.flags |= ATA_FLAG_NO_LPM;
++		dev_warn(&pdev->dev,
++			 "BIOS update required for Link Power Management support\n");
++	}
++
+ 	if (ahci_broken_suspend(pdev)) {
+ 		hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
+ 		dev_warn(&pdev->dev,
+diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
+index 9afd06ee5b30..ba514fa733de 100644
+--- a/drivers/ata/libata-core.c
++++ b/drivers/ata/libata-core.c
+@@ -2209,6 +2209,9 @@ int ata_dev_configure(struct ata_device *dev)
+ 	    (id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2)
+ 		dev->horkage |= ATA_HORKAGE_NOLPM;
+ 
++	if (ap->flags & ATA_FLAG_NO_LPM)
++		dev->horkage |= ATA_HORKAGE_NOLPM;
++
+ 	if (dev->horkage & ATA_HORKAGE_NOLPM) {
+ 		ata_dev_warn(dev, "LPM support broken, forcing max_power\n");
+ 		dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER;
+diff --git a/drivers/block/loop.c b/drivers/block/loop.c
+index e8165ec55e6f..da3902ac16c8 100644
+--- a/drivers/block/loop.c
++++ b/drivers/block/loop.c
+@@ -651,6 +651,36 @@ static void loop_reread_partitions(struct loop_device *lo,
+ 			__func__, lo->lo_number, lo->lo_file_name, rc);
+ }
+ 
++static inline int is_loop_device(struct file *file)
++{
++	struct inode *i = file->f_mapping->host;
++
++	return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR;
++}
++
++static int loop_validate_file(struct file *file, struct block_device *bdev)
++{
++	struct inode	*inode = file->f_mapping->host;
++	struct file	*f = file;
++
++	/* Avoid recursion */
++	while (is_loop_device(f)) {
++		struct loop_device *l;
++
++		if (f->f_mapping->host->i_bdev == bdev)
++			return -EBADF;
++
++		l = f->f_mapping->host->i_bdev->bd_disk->private_data;
++		if (l->lo_state == Lo_unbound) {
++			return -EINVAL;
++		}
++		f = l->lo_backing_file;
++	}
++	if (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))
++		return -EINVAL;
++	return 0;
++}
++
+ /*
+  * loop_change_fd switched the backing store of a loopback device to
+  * a new file. This is useful for operating system installers to free up
+@@ -680,14 +710,15 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
+ 	if (!file)
+ 		goto out;
+ 
++	error = loop_validate_file(file, bdev);
++	if (error)
++		goto out_putf;
++
+ 	inode = file->f_mapping->host;
+ 	old_file = lo->lo_backing_file;
+ 
+ 	error = -EINVAL;
+ 
+-	if (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))
+-		goto out_putf;
+-
+ 	/* size of the new backing store needs to be the same */
+ 	if (get_loop_size(lo, file) != get_loop_size(lo, old_file))
+ 		goto out_putf;
+@@ -708,13 +739,6 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
+ 	return error;
+ }
+ 
+-static inline int is_loop_device(struct file *file)
+-{
+-	struct inode *i = file->f_mapping->host;
+-
+-	return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR;
+-}
+-
+ /* loop sysfs attributes */
+ 
+ static ssize_t loop_attr_show(struct device *dev, char *page,
+@@ -811,16 +835,17 @@ static struct attribute_group loop_attribute_group = {
+ 	.attrs= loop_attrs,
+ };
+ 
+-static int loop_sysfs_init(struct loop_device *lo)
++static void loop_sysfs_init(struct loop_device *lo)
+ {
+-	return sysfs_create_group(&disk_to_dev(lo->lo_disk)->kobj,
+-				  &loop_attribute_group);
++	lo->sysfs_inited = !sysfs_create_group(&disk_to_dev(lo->lo_disk)->kobj,
++						&loop_attribute_group);
+ }
+ 
+ static void loop_sysfs_exit(struct loop_device *lo)
+ {
+-	sysfs_remove_group(&disk_to_dev(lo->lo_disk)->kobj,
+-			   &loop_attribute_group);
++	if (lo->sysfs_inited)
++		sysfs_remove_group(&disk_to_dev(lo->lo_disk)->kobj,
++				   &loop_attribute_group);
+ }
+ 
+ static void loop_config_discard(struct loop_device *lo)
+@@ -872,7 +897,7 @@ static int loop_prepare_queue(struct loop_device *lo)
+ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
+ 		       struct block_device *bdev, unsigned int arg)
+ {
+-	struct file	*file, *f;
++	struct file	*file;
+ 	struct inode	*inode;
+ 	struct address_space *mapping;
+ 	unsigned lo_blocksize;
+@@ -892,29 +917,13 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
+ 	if (lo->lo_state != Lo_unbound)
+ 		goto out_putf;
+ 
+-	/* Avoid recursion */
+-	f = file;
+-	while (is_loop_device(f)) {
+-		struct loop_device *l;
+-
+-		if (f->f_mapping->host->i_bdev == bdev)
+-			goto out_putf;
+-
+-		l = f->f_mapping->host->i_bdev->bd_disk->private_data;
+-		if (l->lo_state == Lo_unbound) {
+-			error = -EINVAL;
+-			goto out_putf;
+-		}
+-		f = l->lo_backing_file;
+-	}
++	error = loop_validate_file(file, bdev);
++	if (error)
++		goto out_putf;
+ 
+ 	mapping = file->f_mapping;
+ 	inode = mapping->host;
+ 
+-	error = -EINVAL;
+-	if (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))
+-		goto out_putf;
+-
+ 	if (!(file->f_mode & FMODE_WRITE) || !(mode & FMODE_WRITE) ||
+ 	    !file->f_op->write_iter)
+ 		lo_flags |= LO_FLAGS_READ_ONLY;
+diff --git a/drivers/block/loop.h b/drivers/block/loop.h
+index fb2237c73e61..60f0fd2c0c65 100644
+--- a/drivers/block/loop.h
++++ b/drivers/block/loop.h
+@@ -59,6 +59,7 @@ struct loop_device {
+ 	struct kthread_worker	worker;
+ 	struct task_struct	*worker_task;
+ 	bool			use_dio;
++	bool			sysfs_inited;
+ 
+ 	struct request_queue	*lo_queue;
+ 	struct blk_mq_tag_set	tag_set;
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index b316ab7e8996..60e2c9faa95f 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -512,6 +512,9 @@
+ #define USB_VENDOR_ID_IRTOUCHSYSTEMS	0x6615
+ #define USB_DEVICE_ID_IRTOUCH_INFRARED_USB	0x0070
+ 
++#define USB_VENDOR_ID_INNOMEDIA			0x1292
++#define USB_DEVICE_ID_INNEX_GENESIS_ATARI	0x4745
++
+ #define USB_VENDOR_ID_ITE               0x048d
+ #define USB_DEVICE_ID_ITE_LENOVO_YOGA   0x8386
+ #define USB_DEVICE_ID_ITE_LENOVO_YOGA2  0x8350
+diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
+index ce1543d69acb..c9a11315493b 100644
+--- a/drivers/hid/usbhid/hid-quirks.c
++++ b/drivers/hid/usbhid/hid-quirks.c
+@@ -152,6 +152,7 @@ static const struct hid_blacklist {
+ 	{ USB_VENDOR_ID_MULTIPLE_1781, USB_DEVICE_ID_RAPHNET_4NES4SNES_OLD, HID_QUIRK_MULTI_INPUT },
+ 	{ USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_2NES2SNES, HID_QUIRK_MULTI_INPUT },
+ 	{ USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_4NES4SNES, HID_QUIRK_MULTI_INPUT },
++	{ USB_VENDOR_ID_INNOMEDIA, USB_DEVICE_ID_INNEX_GENESIS_ATARI, HID_QUIRK_MULTI_INPUT },
+ 
+ 	{ 0, 0 }
+ };
+diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
+index aa26f3c3416b..c151bb625179 100644
+--- a/drivers/infiniband/Kconfig
++++ b/drivers/infiniband/Kconfig
+@@ -33,6 +33,18 @@ config INFINIBAND_USER_ACCESS
+ 	  libibverbs, libibcm and a hardware driver library from
+ 	  <http://www.openfabrics.org/git/>.
+ 
++config INFINIBAND_USER_ACCESS_UCM
++	bool "Userspace CM (UCM, DEPRECATED)"
++	depends on BROKEN
++	depends on INFINIBAND_USER_ACCESS
++	help
++	  The UCM module has known security flaws, which no one is
++	  interested to fix. The user-space part of this code was
++	  dropped from the upstream a long time ago.
++
++	  This option is DEPRECATED and planned to be removed.
++
++
+ config INFINIBAND_USER_MEM
+ 	bool
+ 	depends on INFINIBAND_USER_ACCESS != n
+diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile
+index d43a8994ac5c..737612a442be 100644
+--- a/drivers/infiniband/core/Makefile
++++ b/drivers/infiniband/core/Makefile
+@@ -5,8 +5,8 @@ obj-$(CONFIG_INFINIBAND) +=		ib_core.o ib_mad.o ib_sa.o \
+ 					ib_cm.o iw_cm.o ib_addr.o \
+ 					$(infiniband-y)
+ obj-$(CONFIG_INFINIBAND_USER_MAD) +=	ib_umad.o
+-obj-$(CONFIG_INFINIBAND_USER_ACCESS) +=	ib_uverbs.o ib_ucm.o \
+-					$(user_access-y)
++obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o $(user_access-y)
++obj-$(CONFIG_INFINIBAND_USER_ACCESS_UCM) += ib_ucm.o $(user_access-y)
+ 
+ ib_core-y :=			packer.o ud_header.o verbs.o sysfs.o \
+ 				device.o fmr_pool.o cache.o netlink.o \
+diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
+index e1629ab58db7..8218d714fa01 100644
+--- a/drivers/infiniband/hw/cxgb4/mem.c
++++ b/drivers/infiniband/hw/cxgb4/mem.c
+@@ -926,7 +926,7 @@ static int c4iw_set_page(struct ib_mr *ibmr, u64 addr)
+ {
+ 	struct c4iw_mr *mhp = to_c4iw_mr(ibmr);
+ 
+-	if (unlikely(mhp->mpl_len == mhp->max_mpl_len))
++	if (unlikely(mhp->mpl_len == mhp->attr.pbl_size))
+ 		return -ENOMEM;
+ 
+ 	mhp->mpl[mhp->mpl_len++] = addr;
+diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
+index e8b933111e0d..92109cadc3fc 100644
+--- a/drivers/misc/ibmasm/ibmasmfs.c
++++ b/drivers/misc/ibmasm/ibmasmfs.c
+@@ -507,35 +507,14 @@ static int remote_settings_file_close(struct inode *inode, struct file *file)
+ static ssize_t remote_settings_file_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
+ {
+ 	void __iomem *address = (void __iomem *)file->private_data;
+-	unsigned char *page;
+-	int retval;
+ 	int len = 0;
+ 	unsigned int value;
+-
+-	if (*offset < 0)
+-		return -EINVAL;
+-	if (count == 0 || count > 1024)
+-		return 0;
+-	if (*offset != 0)
+-		return 0;
+-
+-	page = (unsigned char *)__get_free_page(GFP_KERNEL);
+-	if (!page)
+-		return -ENOMEM;
++	char lbuf[20];
+ 
+ 	value = readl(address);
+-	len = sprintf(page, "%d\n", value);
+-
+-	if (copy_to_user(buf, page, len)) {
+-		retval = -EFAULT;
+-		goto exit;
+-	}
+-	*offset += len;
+-	retval = len;
++	len = snprintf(lbuf, sizeof(lbuf), "%d\n", value);
+ 
+-exit:
+-	free_page((unsigned long)page);
+-	return retval;
++	return simple_read_from_buffer(buf, count, offset, lbuf, len);
+ }
+ 
+ static ssize_t remote_settings_file_write(struct file *file, const char __user *ubuff, size_t count, loff_t *offset)
+diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
+index fe90b7e04427..5e047bfc0cc4 100644
+--- a/drivers/misc/vmw_balloon.c
++++ b/drivers/misc/vmw_balloon.c
+@@ -467,7 +467,7 @@ static int vmballoon_send_batched_lock(struct vmballoon *b,
+ 		unsigned int num_pages, bool is_2m_pages, unsigned int *target)
+ {
+ 	unsigned long status;
+-	unsigned long pfn = page_to_pfn(b->page);
++	unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
+ 
+ 	STATS_INC(b->stats.lock[is_2m_pages]);
+ 
+@@ -515,7 +515,7 @@ static bool vmballoon_send_batched_unlock(struct vmballoon *b,
+ 		unsigned int num_pages, bool is_2m_pages, unsigned int *target)
+ {
+ 	unsigned long status;
+-	unsigned long pfn = page_to_pfn(b->page);
++	unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
+ 
+ 	STATS_INC(b->stats.unlock[is_2m_pages]);
+ 
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index 40ce175655e6..99f67764765f 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -231,6 +231,10 @@ static const struct usb_device_id usb_quirk_list[] = {
+ 	/* Corsair K70 RGB */
+ 	{ USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT },
+ 
++	/* Corsair Strafe */
++	{ USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT |
++	  USB_QUIRK_DELAY_CTRL_MSG },
++
+ 	/* Corsair Strafe RGB */
+ 	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
+ 	  USB_QUIRK_DELAY_CTRL_MSG },
+diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
+index e4cf3322bcb3..0ec809a35a3f 100644
+--- a/drivers/usb/host/xhci-mem.c
++++ b/drivers/usb/host/xhci-mem.c
+@@ -638,7 +638,7 @@ struct xhci_ring *xhci_stream_id_to_ring(
+ 	if (!ep->stream_info)
+ 		return NULL;
+ 
+-	if (stream_id > ep->stream_info->num_streams)
++	if (stream_id >= ep->stream_info->num_streams)
+ 		return NULL;
+ 	return ep->stream_info->stream_rings[stream_id];
+ }
+diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
+index 343fa6ff9f4b..512c84adcace 100644
+--- a/drivers/usb/misc/yurex.c
++++ b/drivers/usb/misc/yurex.c
+@@ -414,8 +414,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
+ 			  loff_t *ppos)
+ {
+ 	struct usb_yurex *dev;
+-	int retval = 0;
+-	int bytes_read = 0;
++	int len = 0;
+ 	char in_buffer[20];
+ 	unsigned long flags;
+ 
+@@ -423,26 +422,16 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
+ 
+ 	mutex_lock(&dev->io_mutex);
+ 	if (!dev->interface) {		/* already disconnected */
+-		retval = -ENODEV;
+-		goto exit;
++		mutex_unlock(&dev->io_mutex);
++		return -ENODEV;
+ 	}
+ 
+ 	spin_lock_irqsave(&dev->lock, flags);
+-	bytes_read = snprintf(in_buffer, 20, "%lld\n", dev->bbu);
++	len = snprintf(in_buffer, 20, "%lld\n", dev->bbu);
+ 	spin_unlock_irqrestore(&dev->lock, flags);
+-
+-	if (*ppos < bytes_read) {
+-		if (copy_to_user(buffer, in_buffer + *ppos, bytes_read - *ppos))
+-			retval = -EFAULT;
+-		else {
+-			retval = bytes_read - *ppos;
+-			*ppos += bytes_read;
+-		}
+-	}
+-
+-exit:
+ 	mutex_unlock(&dev->io_mutex);
+-	return retval;
++
++	return simple_read_from_buffer(buffer, count, ppos, in_buffer, len);
+ }
+ 
+ static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
+diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
+index 71133d96f97d..f73ea14e8173 100644
+--- a/drivers/usb/serial/ch341.c
++++ b/drivers/usb/serial/ch341.c
+@@ -118,7 +118,7 @@ static int ch341_control_in(struct usb_device *dev,
+ 	r = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
+ 			    USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+ 			    value, index, buf, bufsize, DEFAULT_TIMEOUT);
+-	if (r < bufsize) {
++	if (r < (int)bufsize) {
+ 		if (r >= 0) {
+ 			dev_err(&dev->dev,
+ 				"short control message received (%d < %u)\n",
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
+index 73835027a7cc..97382301c393 100644
+--- a/drivers/usb/serial/cp210x.c
++++ b/drivers/usb/serial/cp210x.c
+@@ -145,6 +145,7 @@ static const struct usb_device_id id_table[] = {
+ 	{ USB_DEVICE(0x10C4, 0x8977) },	/* CEL MeshWorks DevKit Device */
+ 	{ USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
+ 	{ USB_DEVICE(0x10C4, 0x89A4) }, /* CESINEL FTBC Flexible Thyristor Bridge Controller */
++	{ USB_DEVICE(0x10C4, 0x89FB) }, /* Qivicon ZigBee USB Radio Stick */
+ 	{ USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
+ 	{ USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */
+ 	{ USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */
+diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
+index 6b0942428917..8a4047de43dc 100644
+--- a/drivers/usb/serial/keyspan_pda.c
++++ b/drivers/usb/serial/keyspan_pda.c
+@@ -373,8 +373,10 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial,
+ 			     3, /* get pins */
+ 			     USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_IN,
+ 			     0, 0, data, 1, 2000);
+-	if (rc >= 0)
++	if (rc == 1)
+ 		*value = *data;
++	else if (rc >= 0)
++		rc = -EIO;
+ 
+ 	kfree(data);
+ 	return rc;
+diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
+index ed883a7ad533..58ba6904a087 100644
+--- a/drivers/usb/serial/mos7840.c
++++ b/drivers/usb/serial/mos7840.c
+@@ -482,6 +482,9 @@ static void mos7840_control_callback(struct urb *urb)
+ 	}
+ 
+ 	dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length);
++	if (urb->actual_length < 1)
++		goto out;
++
+ 	dev_dbg(dev, "%s mos7840_port->MsrLsr is %d port %d\n", __func__,
+ 		mos7840_port->MsrLsr, mos7840_port->port_num);
+ 	data = urb->transfer_buffer;
+diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
+index 7efd70bfeaf7..d106b981d86f 100644
+--- a/fs/btrfs/disk-io.c
++++ b/fs/btrfs/disk-io.c
+@@ -923,7 +923,7 @@ static int check_async_write(struct inode *inode, unsigned long bio_flags)
+ 	if (bio_flags & EXTENT_BIO_TREE_LOG)
+ 		return 0;
+ #ifdef CONFIG_X86
+-	if (static_cpu_has_safe(X86_FEATURE_XMM4_2))
++	if (static_cpu_has(X86_FEATURE_XMM4_2))
+ 		return 0;
+ #endif
+ 	return 1;
+diff --git a/fs/inode.c b/fs/inode.c
+index b95615f3fc50..a39c2724d8a0 100644
+--- a/fs/inode.c
++++ b/fs/inode.c
+@@ -1937,8 +1937,14 @@ void inode_init_owner(struct inode *inode, const struct inode *dir,
+ 	inode->i_uid = current_fsuid();
+ 	if (dir && dir->i_mode & S_ISGID) {
+ 		inode->i_gid = dir->i_gid;
++
++		/* Directories are special, and always inherit S_ISGID */
+ 		if (S_ISDIR(mode))
+ 			mode |= S_ISGID;
++		else if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP) &&
++			 !in_group_p(inode->i_gid) &&
++			 !capable_wrt_inode_uidgid(dir, CAP_FSETID))
++			mode &= ~S_ISGID;
+ 	} else
+ 		inode->i_gid = current_fsgid();
+ 	inode->i_mode = mode;
+diff --git a/include/linux/libata.h b/include/linux/libata.h
+index b20a2752f934..6428ac4746de 100644
+--- a/include/linux/libata.h
++++ b/include/linux/libata.h
+@@ -210,6 +210,7 @@ enum {
+ 	ATA_FLAG_SLAVE_POSS	= (1 << 0), /* host supports slave dev */
+ 					    /* (doesn't imply presence) */
+ 	ATA_FLAG_SATA		= (1 << 1),
++	ATA_FLAG_NO_LPM		= (1 << 2), /* host not happy with LPM */
+ 	ATA_FLAG_NO_LOG_PAGE	= (1 << 5), /* do not issue log page read */
+ 	ATA_FLAG_NO_ATAPI	= (1 << 6), /* No ATAPI support */
+ 	ATA_FLAG_PIO_DMA	= (1 << 7), /* PIO cmds via DMA */
+diff --git a/kernel/power/user.c b/kernel/power/user.c
+index 526e8911460a..f83c1876b39c 100644
+--- a/kernel/power/user.c
++++ b/kernel/power/user.c
+@@ -184,6 +184,11 @@ static ssize_t snapshot_write(struct file *filp, const char __user *buf,
+ 		res = PAGE_SIZE - pg_offp;
+ 	}
+ 
++	if (!data_of(data->handle)) {
++		res = -EINVAL;
++		goto unlock;
++	}
++
+ 	res = simple_write_to_buffer(data_of(data->handle), res, &pg_offp,
+ 			buf, count);
+ 	if (res > 0)
+diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c
+index 83c33a5bcffb..de67fea3cf46 100644
+--- a/lib/atomic64_test.c
++++ b/lib/atomic64_test.c
+@@ -16,6 +16,10 @@
+ #include <linux/kernel.h>
+ #include <linux/atomic.h>
+ 
++#ifdef CONFIG_X86
++#include <asm/cpufeature.h>	/* for boot_cpu_has below */
++#endif
++
+ #define TEST(bit, op, c_op, val)				\
+ do {								\
+ 	atomic##bit##_set(&v, v0);				\
+diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
+index 9f70c267a7a5..665fd87cc105 100644
+--- a/net/bridge/netfilter/ebtables.c
++++ b/net/bridge/netfilter/ebtables.c
+@@ -701,6 +701,8 @@ ebt_check_entry(struct ebt_entry *e, struct net *net,
+ 	}
+ 	i = 0;
+ 
++	memset(&mtpar, 0, sizeof(mtpar));
++	memset(&tgpar, 0, sizeof(tgpar));
+ 	mtpar.net	= tgpar.net       = net;
+ 	mtpar.table     = tgpar.table     = name;
+ 	mtpar.entryinfo = tgpar.entryinfo = e;
+diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
+index dac62b5e7fe3..9363c1a70f16 100644
+--- a/net/ipv4/netfilter/ip_tables.c
++++ b/net/ipv4/netfilter/ip_tables.c
+@@ -663,6 +663,7 @@ find_check_entry(struct ipt_entry *e, struct net *net, const char *name,
+ 		return -ENOMEM;
+ 
+ 	j = 0;
++	memset(&mtpar, 0, sizeof(mtpar));
+ 	mtpar.net	= net;
+ 	mtpar.table     = name;
+ 	mtpar.entryinfo = &e->ip;
+diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
+index 795c343347ec..6cb9e35d23ac 100644
+--- a/net/ipv6/netfilter/ip6_tables.c
++++ b/net/ipv6/netfilter/ip6_tables.c
+@@ -676,6 +676,7 @@ find_check_entry(struct ip6t_entry *e, struct net *net, const char *name,
+ 		return -ENOMEM;
+ 
+ 	j = 0;
++	memset(&mtpar, 0, sizeof(mtpar));
+ 	mtpar.net	= net;
+ 	mtpar.table     = name;
+ 	mtpar.entryinfo = &e->ipv6;
+diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
+index 7edcfda288c4..54cde78c2718 100644
+--- a/net/netfilter/nfnetlink_queue.c
++++ b/net/netfilter/nfnetlink_queue.c
+@@ -1106,6 +1106,9 @@ nfqnl_recv_unsupp(struct sock *ctnl, struct sk_buff *skb,
+ static const struct nla_policy nfqa_cfg_policy[NFQA_CFG_MAX+1] = {
+ 	[NFQA_CFG_CMD]		= { .len = sizeof(struct nfqnl_msg_config_cmd) },
+ 	[NFQA_CFG_PARAMS]	= { .len = sizeof(struct nfqnl_msg_config_params) },
++	[NFQA_CFG_QUEUE_MAXLEN]	= { .type = NLA_U32 },
++	[NFQA_CFG_MASK]		= { .type = NLA_U32 },
++	[NFQA_CFG_FLAGS]	= { .type = NLA_U32 },
+ };
+ 
+ static const struct nf_queue_handler nfqh = {
+diff --git a/tools/build/Build.include b/tools/build/Build.include
+index 4d000bc959b4..1c570528baf7 100644
+--- a/tools/build/Build.include
++++ b/tools/build/Build.include
+@@ -62,8 +62,8 @@ dep-cmd = $(if $(wildcard $(fixdep)),
+            $(fixdep) $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;           \
+            rm -f $(depfile);                                                    \
+            mv -f $(dot-target).tmp $(dot-target).cmd,                           \
+-           printf '\# cannot find fixdep (%s)\n' $(fixdep) > $(dot-target).cmd; \
+-           printf '\# using basic dep data\n\n' >> $(dot-target).cmd;           \
++           printf '$(pound) cannot find fixdep (%s)\n' $(fixdep) > $(dot-target).cmd; \
++           printf '$(pound) using basic dep data\n\n' >> $(dot-target).cmd;           \
+            cat $(depfile) >> $(dot-target).cmd;                                 \
+            printf '%s\n' 'cmd_$@ := $(make-cmd)' >> $(dot-target).cmd)
+