1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */
27d7d1bf1SArnaldo Carvalho de Melo #ifndef _ASM_X86_CPUFEATURES_H
37d7d1bf1SArnaldo Carvalho de Melo #define _ASM_X86_CPUFEATURES_H
47d7d1bf1SArnaldo Carvalho de Melo 
57d7d1bf1SArnaldo Carvalho de Melo #ifndef _ASM_X86_REQUIRED_FEATURES_H
67d7d1bf1SArnaldo Carvalho de Melo #include <asm/required-features.h>
77d7d1bf1SArnaldo Carvalho de Melo #endif
87d7d1bf1SArnaldo Carvalho de Melo 
97d7d1bf1SArnaldo Carvalho de Melo #ifndef _ASM_X86_DISABLED_FEATURES_H
107d7d1bf1SArnaldo Carvalho de Melo #include <asm/disabled-features.h>
117d7d1bf1SArnaldo Carvalho de Melo #endif
127d7d1bf1SArnaldo Carvalho de Melo 
137d7d1bf1SArnaldo Carvalho de Melo /*
147d7d1bf1SArnaldo Carvalho de Melo  * Defines x86 CPU feature bits
157d7d1bf1SArnaldo Carvalho de Melo  */
164053717aSArnaldo Carvalho de Melo #define NCAPINTS			19	   /* N 32-bit words worth of info */
177d7d1bf1SArnaldo Carvalho de Melo #define NBUGINTS			1	   /* N 32-bit bug flags */
187d7d1bf1SArnaldo Carvalho de Melo 
197d7d1bf1SArnaldo Carvalho de Melo /*
207d7d1bf1SArnaldo Carvalho de Melo  * Note: If the comment begins with a quoted string, that string is used
217d7d1bf1SArnaldo Carvalho de Melo  * in /proc/cpuinfo instead of the macro name.  If the string is "",
227d7d1bf1SArnaldo Carvalho de Melo  * this feature bit is not displayed in /proc/cpuinfo at all.
230b44cfb8SIngo Molnar  *
240b44cfb8SIngo Molnar  * When adding new features here that depend on other features,
250b44cfb8SIngo Molnar  * please update the table in kernel/cpu/cpuid-deps.c as well.
267d7d1bf1SArnaldo Carvalho de Melo  */
277d7d1bf1SArnaldo Carvalho de Melo 
280b44cfb8SIngo Molnar /* Intel-defined CPU features, CPUID level 0x00000001 (EDX), word 0 */
297d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_FPU			( 0*32+ 0) /* Onboard FPU */
307d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_VME			( 0*32+ 1) /* Virtual Mode Extensions */
317d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_DE			( 0*32+ 2) /* Debugging Extensions */
327d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PSE			( 0*32+ 3) /* Page Size Extensions */
337d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_TSC			( 0*32+ 4) /* Time Stamp Counter */
347d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MSR			( 0*32+ 5) /* Model-Specific Registers */
357d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PAE			( 0*32+ 6) /* Physical Address Extensions */
367d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MCE			( 0*32+ 7) /* Machine Check Exception */
377d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CX8			( 0*32+ 8) /* CMPXCHG8 instruction */
387d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_APIC		( 0*32+ 9) /* Onboard APIC */
397d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SEP			( 0*32+11) /* SYSENTER/SYSEXIT */
407d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MTRR		( 0*32+12) /* Memory Type Range Registers */
417d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PGE			( 0*32+13) /* Page Global Enable */
427d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MCA			( 0*32+14) /* Machine Check Architecture */
430b44cfb8SIngo Molnar #define X86_FEATURE_CMOV		( 0*32+15) /* CMOV instructions (plus FCMOVcc, FCOMI with FPU) */
447d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PAT			( 0*32+16) /* Page Attribute Table */
457d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PSE36		( 0*32+17) /* 36-bit PSEs */
467d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PN			( 0*32+18) /* Processor serial number */
477d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CLFLUSH		( 0*32+19) /* CLFLUSH instruction */
487d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_DS			( 0*32+21) /* "dts" Debug Store */
497d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ACPI		( 0*32+22) /* ACPI via MSR */
507d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MMX			( 0*32+23) /* Multimedia Extensions */
517d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_FXSR		( 0*32+24) /* FXSAVE/FXRSTOR, CR4.OSFXSR */
527d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XMM			( 0*32+25) /* "sse" */
537d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XMM2		( 0*32+26) /* "sse2" */
547d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SELFSNOOP		( 0*32+27) /* "ss" CPU self snoop */
557d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HT			( 0*32+28) /* Hyper-Threading */
567d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ACC			( 0*32+29) /* "tm" Automatic clock control */
577d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_IA64		( 0*32+30) /* IA-64 processor */
587d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PBE			( 0*32+31) /* Pending Break Enable */
597d7d1bf1SArnaldo Carvalho de Melo 
607d7d1bf1SArnaldo Carvalho de Melo /* AMD-defined CPU features, CPUID level 0x80000001, word 1 */
617d7d1bf1SArnaldo Carvalho de Melo /* Don't duplicate feature flags which are redundant with Intel! */
627d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SYSCALL		( 1*32+11) /* SYSCALL/SYSRET */
630b44cfb8SIngo Molnar #define X86_FEATURE_MP			( 1*32+19) /* MP Capable */
647d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_NX			( 1*32+20) /* Execute Disable */
657d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MMXEXT		( 1*32+22) /* AMD MMX extensions */
667d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_FXSR_OPT		( 1*32+25) /* FXSAVE/FXRSTOR optimizations */
677d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_GBPAGES		( 1*32+26) /* "pdpe1gb" GB pages */
687d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_RDTSCP		( 1*32+27) /* RDTSCP */
690b44cfb8SIngo Molnar #define X86_FEATURE_LM			( 1*32+29) /* Long Mode (x86-64, 64-bit support) */
700b44cfb8SIngo Molnar #define X86_FEATURE_3DNOWEXT		( 1*32+30) /* AMD 3DNow extensions */
710b44cfb8SIngo Molnar #define X86_FEATURE_3DNOW		( 1*32+31) /* 3DNow */
727d7d1bf1SArnaldo Carvalho de Melo 
737d7d1bf1SArnaldo Carvalho de Melo /* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */
747d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_RECOVERY		( 2*32+ 0) /* CPU in recovery mode */
757d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_LONGRUN		( 2*32+ 1) /* Longrun power control */
767d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_LRTI		( 2*32+ 3) /* LongRun table interface */
777d7d1bf1SArnaldo Carvalho de Melo 
787d7d1bf1SArnaldo Carvalho de Melo /* Other features, Linux-defined mapping, word 3 */
797d7d1bf1SArnaldo Carvalho de Melo /* This range is used for feature bits which conflict or are synthesized */
807d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CXMMX		( 3*32+ 0) /* Cyrix MMX extensions */
817d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_K6_MTRR		( 3*32+ 1) /* AMD K6 nonstandard MTRRs */
827d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CYRIX_ARR		( 3*32+ 2) /* Cyrix ARRs (= MTRRs) */
837d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CENTAUR_MCR		( 3*32+ 3) /* Centaur MCRs (= MTRRs) */
840b44cfb8SIngo Molnar 
850b44cfb8SIngo Molnar /* CPU types for specific tunings: */
867d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_K8			( 3*32+ 4) /* "" Opteron, Athlon64 */
877d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_K7			( 3*32+ 5) /* "" Athlon */
887d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_P3			( 3*32+ 6) /* "" P3 */
897d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_P4			( 3*32+ 7) /* "" P4 */
907d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CONSTANT_TSC	( 3*32+ 8) /* TSC ticks at a constant rate */
910b44cfb8SIngo Molnar #define X86_FEATURE_UP			( 3*32+ 9) /* SMP kernel running on UP */
920b44cfb8SIngo Molnar #define X86_FEATURE_ART			( 3*32+10) /* Always running timer (ART) */
937d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ARCH_PERFMON	( 3*32+11) /* Intel Architectural PerfMon */
947d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PEBS		( 3*32+12) /* Precise-Event Based Sampling */
957d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_BTS			( 3*32+13) /* Branch Trace Store */
960b44cfb8SIngo Molnar #define X86_FEATURE_SYSCALL32		( 3*32+14) /* "" syscall in IA32 userspace */
970b44cfb8SIngo Molnar #define X86_FEATURE_SYSENTER32		( 3*32+15) /* "" sysenter in IA32 userspace */
980b44cfb8SIngo Molnar #define X86_FEATURE_REP_GOOD		( 3*32+16) /* REP microcode works well */
990b44cfb8SIngo Molnar #define X86_FEATURE_MFENCE_RDTSC	( 3*32+17) /* "" MFENCE synchronizes RDTSC */
1000b44cfb8SIngo Molnar #define X86_FEATURE_LFENCE_RDTSC	( 3*32+18) /* "" LFENCE synchronizes RDTSC */
1017d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ACC_POWER		( 3*32+19) /* AMD Accumulated Power Mechanism */
1027d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_NOPL		( 3*32+20) /* The NOPL (0F 1F) instructions */
1037d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ALWAYS		( 3*32+21) /* "" Always-present feature */
1040b44cfb8SIngo Molnar #define X86_FEATURE_XTOPOLOGY		( 3*32+22) /* CPU topology enum extensions */
1057d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_TSC_RELIABLE	( 3*32+23) /* TSC is known to be reliable */
1067d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_NONSTOP_TSC		( 3*32+24) /* TSC does not stop in C states */
10774beb09aSArnaldo Carvalho de Melo #define X86_FEATURE_CPUID		( 3*32+25) /* CPU has CPUID instruction itself */
1080b44cfb8SIngo Molnar #define X86_FEATURE_EXTD_APICID		( 3*32+26) /* Extended APICID (8 bits) */
1090b44cfb8SIngo Molnar #define X86_FEATURE_AMD_DCM		( 3*32+27) /* AMD multi-node processor */
1100b44cfb8SIngo Molnar #define X86_FEATURE_APERFMPERF		( 3*32+28) /* P-State hardware coordination feedback capability (APERF/MPERF MSRs) */
1117d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_NONSTOP_TSC_S3	( 3*32+30) /* TSC doesn't stop in S3 state */
112c0621acfSIngo Molnar #define X86_FEATURE_TSC_KNOWN_FREQ	( 3*32+31) /* TSC has known frequency */
1137d7d1bf1SArnaldo Carvalho de Melo 
1140b44cfb8SIngo Molnar /* Intel-defined CPU features, CPUID level 0x00000001 (ECX), word 4 */
1157d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XMM3		( 4*32+ 0) /* "pni" SSE-3 */
1167d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PCLMULQDQ		( 4*32+ 1) /* PCLMULQDQ instruction */
1177d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_DTES64		( 4*32+ 2) /* 64-bit Debug Store */
1180b44cfb8SIngo Molnar #define X86_FEATURE_MWAIT		( 4*32+ 3) /* "monitor" MONITOR/MWAIT support */
1190b44cfb8SIngo Molnar #define X86_FEATURE_DSCPL		( 4*32+ 4) /* "ds_cpl" CPL-qualified (filtered) Debug Store */
1207d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_VMX			( 4*32+ 5) /* Hardware virtualization */
1210b44cfb8SIngo Molnar #define X86_FEATURE_SMX			( 4*32+ 6) /* Safer Mode eXtensions */
1227d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_EST			( 4*32+ 7) /* Enhanced SpeedStep */
1237d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_TM2			( 4*32+ 8) /* Thermal Monitor 2 */
1247d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SSSE3		( 4*32+ 9) /* Supplemental SSE-3 */
1257d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CID			( 4*32+10) /* Context ID */
1267d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SDBG		( 4*32+11) /* Silicon Debug */
1277d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_FMA			( 4*32+12) /* Fused multiply-add */
1280b44cfb8SIngo Molnar #define X86_FEATURE_CX16		( 4*32+13) /* CMPXCHG16B instruction */
1297d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XTPR		( 4*32+14) /* Send Task Priority Messages */
1300b44cfb8SIngo Molnar #define X86_FEATURE_PDCM		( 4*32+15) /* Perf/Debug Capabilities MSR */
1317d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PCID		( 4*32+17) /* Process Context Identifiers */
1327d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_DCA			( 4*32+18) /* Direct Cache Access */
1337d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XMM4_1		( 4*32+19) /* "sse4_1" SSE-4.1 */
1347d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XMM4_2		( 4*32+20) /* "sse4_2" SSE-4.2 */
1350b44cfb8SIngo Molnar #define X86_FEATURE_X2APIC		( 4*32+21) /* X2APIC */
1367d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MOVBE		( 4*32+22) /* MOVBE instruction */
1377d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_POPCNT		( 4*32+23) /* POPCNT instruction */
1380b44cfb8SIngo Molnar #define X86_FEATURE_TSC_DEADLINE_TIMER	( 4*32+24) /* TSC deadline timer */
1397d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AES			( 4*32+25) /* AES instructions */
1400b44cfb8SIngo Molnar #define X86_FEATURE_XSAVE		( 4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV instructions */
1410b44cfb8SIngo Molnar #define X86_FEATURE_OSXSAVE		( 4*32+27) /* "" XSAVE instruction enabled in the OS */
1427d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX			( 4*32+28) /* Advanced Vector Extensions */
1430b44cfb8SIngo Molnar #define X86_FEATURE_F16C		( 4*32+29) /* 16-bit FP conversions */
1440b44cfb8SIngo Molnar #define X86_FEATURE_RDRAND		( 4*32+30) /* RDRAND instruction */
1457d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HYPERVISOR		( 4*32+31) /* Running on a hypervisor */
1467d7d1bf1SArnaldo Carvalho de Melo 
1477d7d1bf1SArnaldo Carvalho de Melo /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
1487d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XSTORE		( 5*32+ 2) /* "rng" RNG present (xstore) */
1497d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XSTORE_EN		( 5*32+ 3) /* "rng_en" RNG enabled */
1507d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XCRYPT		( 5*32+ 6) /* "ace" on-CPU crypto (xcrypt) */
1517d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XCRYPT_EN		( 5*32+ 7) /* "ace_en" on-CPU crypto enabled */
1527d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ACE2		( 5*32+ 8) /* Advanced Cryptography Engine v2 */
1537d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ACE2_EN		( 5*32+ 9) /* ACE v2 enabled */
1547d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PHE			( 5*32+10) /* PadLock Hash Engine */
1557d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PHE_EN		( 5*32+11) /* PHE enabled */
1567d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PMM			( 5*32+12) /* PadLock Montgomery Multiplier */
1577d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PMM_EN		( 5*32+13) /* PMM enabled */
1587d7d1bf1SArnaldo Carvalho de Melo 
1590b44cfb8SIngo Molnar /* More extended AMD flags: CPUID level 0x80000001, ECX, word 6 */
1607d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_LAHF_LM		( 6*32+ 0) /* LAHF/SAHF in long mode */
1617d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CMP_LEGACY		( 6*32+ 1) /* If yes HyperThreading not valid */
1620b44cfb8SIngo Molnar #define X86_FEATURE_SVM			( 6*32+ 2) /* Secure Virtual Machine */
1637d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_EXTAPIC		( 6*32+ 3) /* Extended APIC space */
1647d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CR8_LEGACY		( 6*32+ 4) /* CR8 in 32-bit mode */
1657d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ABM			( 6*32+ 5) /* Advanced bit manipulation */
1667d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SSE4A		( 6*32+ 6) /* SSE-4A */
1677d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MISALIGNSSE		( 6*32+ 7) /* Misaligned SSE mode */
1687d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_3DNOWPREFETCH	( 6*32+ 8) /* 3DNow prefetch instructions */
1697d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_OSVW		( 6*32+ 9) /* OS Visible Workaround */
1707d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_IBS			( 6*32+10) /* Instruction Based Sampling */
1717d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XOP			( 6*32+11) /* extended AVX instructions */
1727d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SKINIT		( 6*32+12) /* SKINIT/STGI instructions */
1737d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_WDT			( 6*32+13) /* Watchdog timer */
1747d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_LWP			( 6*32+15) /* Light Weight Profiling */
1757d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_FMA4		( 6*32+16) /* 4 operands MAC instructions */
1760b44cfb8SIngo Molnar #define X86_FEATURE_TCE			( 6*32+17) /* Translation Cache Extension */
1777d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_NODEID_MSR		( 6*32+19) /* NodeId MSR */
1780b44cfb8SIngo Molnar #define X86_FEATURE_TBM			( 6*32+21) /* Trailing Bit Manipulations */
1790b44cfb8SIngo Molnar #define X86_FEATURE_TOPOEXT		( 6*32+22) /* Topology extensions CPUID leafs */
1800b44cfb8SIngo Molnar #define X86_FEATURE_PERFCTR_CORE	( 6*32+23) /* Core performance counter extensions */
1817d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PERFCTR_NB		( 6*32+24) /* NB performance counter extensions */
1820b44cfb8SIngo Molnar #define X86_FEATURE_BPEXT		( 6*32+26) /* Data breakpoint extension */
1830b44cfb8SIngo Molnar #define X86_FEATURE_PTSC		( 6*32+27) /* Performance time-stamp counter */
184a2105f8aSArnaldo Carvalho de Melo #define X86_FEATURE_PERFCTR_LLC		( 6*32+28) /* Last Level Cache performance counter extensions */
1850b44cfb8SIngo Molnar #define X86_FEATURE_MWAITX		( 6*32+29) /* MWAIT extension (MONITORX/MWAITX instructions) */
1867d7d1bf1SArnaldo Carvalho de Melo 
1877d7d1bf1SArnaldo Carvalho de Melo /*
1887d7d1bf1SArnaldo Carvalho de Melo  * Auxiliary flags: Linux defined - For features scattered in various
1897d7d1bf1SArnaldo Carvalho de Melo  * CPUID levels like 0x6, 0xA etc, word 7.
1907d7d1bf1SArnaldo Carvalho de Melo  *
1917d7d1bf1SArnaldo Carvalho de Melo  * Reuse free bits when adding new feature flags!
1927d7d1bf1SArnaldo Carvalho de Melo  */
1930b44cfb8SIngo Molnar #define X86_FEATURE_RING3MWAIT		( 7*32+ 0) /* Ring 3 MONITOR/MWAIT instructions */
194fb7b7561SArnaldo Carvalho de Melo #define X86_FEATURE_CPUID_FAULT		( 7*32+ 1) /* Intel CPUID faulting */
1957d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CPB			( 7*32+ 2) /* AMD Core Performance Boost */
1967d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_EPB			( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
197c0621acfSIngo Molnar #define X86_FEATURE_CAT_L3		( 7*32+ 4) /* Cache Allocation Technology L3 */
198c0621acfSIngo Molnar #define X86_FEATURE_CAT_L2		( 7*32+ 5) /* Cache Allocation Technology L2 */
199c0621acfSIngo Molnar #define X86_FEATURE_CDP_L3		( 7*32+ 6) /* Code and Data Prioritization L3 */
2005d64db29SArnaldo Carvalho de Melo #define X86_FEATURE_INVPCID_SINGLE	( 7*32+ 7) /* Effectively INVPCID && CR4.PCIDE=1 */
2017d7d1bf1SArnaldo Carvalho de Melo 
2027d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HW_PSTATE		( 7*32+ 8) /* AMD HW-PState */
2037d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PROC_FEEDBACK	( 7*32+ 9) /* AMD ProcFeedbackInterface */
204549a3976SIngo Molnar #define X86_FEATURE_SME			( 7*32+10) /* AMD Secure Memory Encryption */
2055d64db29SArnaldo Carvalho de Melo #define X86_FEATURE_PTI			( 7*32+11) /* Kernel Page Table Isolation enabled */
2064053717aSArnaldo Carvalho de Melo #define X86_FEATURE_RETPOLINE		( 7*32+12) /* "" Generic Retpoline mitigation for Spectre variant 2 */
2074053717aSArnaldo Carvalho de Melo #define X86_FEATURE_RETPOLINE_AMD	( 7*32+13) /* "" AMD Retpoline mitigation for Spectre variant 2 */
208c0621acfSIngo Molnar #define X86_FEATURE_INTEL_PPIN		( 7*32+14) /* Intel Processor Inventory Number */
2094053717aSArnaldo Carvalho de Melo #define X86_FEATURE_CDP_L2		( 7*32+15) /* Code and Data Prioritization L2 */
2107d7d1bf1SArnaldo Carvalho de Melo 
2116e30437bSIngo Molnar #define X86_FEATURE_MBA			( 7*32+18) /* Memory Bandwidth Allocation */
2124053717aSArnaldo Carvalho de Melo #define X86_FEATURE_RSB_CTXSW		( 7*32+19) /* "" Fill RSB on context switches */
213f091f1d6SIngo Molnar #define X86_FEATURE_SEV			( 7*32+20) /* AMD Secure Encrypted Virtualization */
2144053717aSArnaldo Carvalho de Melo 
2154053717aSArnaldo Carvalho de Melo #define X86_FEATURE_USE_IBPB		( 7*32+21) /* "" Indirect Branch Prediction Barrier enabled */
2164caea057SArnaldo Carvalho de Melo #define X86_FEATURE_USE_IBRS_FW		( 7*32+22) /* "" Use IBRS during runtime firmware calls */
2176e30437bSIngo Molnar 
2187d7d1bf1SArnaldo Carvalho de Melo /* Virtualization flags: Linux defined, word 8 */
2197d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_TPR_SHADOW		( 8*32+ 0) /* Intel TPR Shadow */
2207d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_VNMI		( 8*32+ 1) /* Intel Virtual NMI */
2217d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_FLEXPRIORITY	( 8*32+ 2) /* Intel FlexPriority */
2227d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_EPT			( 8*32+ 3) /* Intel Extended Page Table */
2237d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_VPID		( 8*32+ 4) /* Intel Virtual Processor ID */
2247d7d1bf1SArnaldo Carvalho de Melo 
2250b44cfb8SIngo Molnar #define X86_FEATURE_VMMCALL		( 8*32+15) /* Prefer VMMCALL to VMCALL */
2267d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_XENPV		( 8*32+16) /* "" Xen paravirtual guest */
2277d7d1bf1SArnaldo Carvalho de Melo 
2287d7d1bf1SArnaldo Carvalho de Melo 
2290b44cfb8SIngo Molnar /* Intel-defined CPU features, CPUID level 0x00000007:0 (EBX), word 9 */
2300b44cfb8SIngo Molnar #define X86_FEATURE_FSGSBASE		( 9*32+ 0) /* RDFSBASE, WRFSBASE, RDGSBASE, WRGSBASE instructions*/
2310b44cfb8SIngo Molnar #define X86_FEATURE_TSC_ADJUST		( 9*32+ 1) /* TSC adjustment MSR 0x3B */
2327d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_BMI1		( 9*32+ 3) /* 1st group bit manipulation extensions */
2337d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HLE			( 9*32+ 4) /* Hardware Lock Elision */
2347d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX2		( 9*32+ 5) /* AVX2 instructions */
2357d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SMEP		( 9*32+ 7) /* Supervisor Mode Execution Protection */
2367d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_BMI2		( 9*32+ 8) /* 2nd group bit manipulation extensions */
2370b44cfb8SIngo Molnar #define X86_FEATURE_ERMS		( 9*32+ 9) /* Enhanced REP MOVSB/STOSB instructions */
2387d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_INVPCID		( 9*32+10) /* Invalidate Processor Context ID */
2397d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_RTM			( 9*32+11) /* Restricted Transactional Memory */
2407d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CQM			( 9*32+12) /* Cache QoS Monitoring */
2417d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_MPX			( 9*32+14) /* Memory Protection Extension */
242c0621acfSIngo Molnar #define X86_FEATURE_RDT_A		( 9*32+15) /* Resource Director Technology Allocation */
2437d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX512F		( 9*32+16) /* AVX-512 Foundation */
2447d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX512DQ		( 9*32+17) /* AVX-512 DQ (Double/Quad granular) Instructions */
2450b44cfb8SIngo Molnar #define X86_FEATURE_RDSEED		( 9*32+18) /* RDSEED instruction */
2460b44cfb8SIngo Molnar #define X86_FEATURE_ADX			( 9*32+19) /* ADCX and ADOX instructions */
2477d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SMAP		( 9*32+20) /* Supervisor Mode Access Prevention */
248c0621acfSIngo Molnar #define X86_FEATURE_AVX512IFMA		( 9*32+21) /* AVX-512 Integer Fused Multiply-Add instructions */
2497d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CLFLUSHOPT		( 9*32+23) /* CLFLUSHOPT instruction */
2507d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CLWB		( 9*32+24) /* CLWB instruction */
2514053717aSArnaldo Carvalho de Melo #define X86_FEATURE_INTEL_PT		( 9*32+25) /* Intel Processor Trace */
2527d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX512PF		( 9*32+26) /* AVX-512 Prefetch */
2537d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX512ER		( 9*32+27) /* AVX-512 Exponential and Reciprocal */
2547d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX512CD		( 9*32+28) /* AVX-512 Conflict Detection */
2557d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SHA_NI		( 9*32+29) /* SHA1/SHA256 Instruction Extensions */
2567d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX512BW		( 9*32+30) /* AVX-512 BW (Byte/Word granular) Instructions */
2577d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVX512VL		( 9*32+31) /* AVX-512 VL (128/256 Vector Length) Extensions */
2587d7d1bf1SArnaldo Carvalho de Melo 
2590b44cfb8SIngo Molnar /* Extended state features, CPUID level 0x0000000d:1 (EAX), word 10 */
2600b44cfb8SIngo Molnar #define X86_FEATURE_XSAVEOPT		(10*32+ 0) /* XSAVEOPT instruction */
2610b44cfb8SIngo Molnar #define X86_FEATURE_XSAVEC		(10*32+ 1) /* XSAVEC instruction */
2620b44cfb8SIngo Molnar #define X86_FEATURE_XGETBV1		(10*32+ 2) /* XGETBV with ECX = 1 instruction */
2630b44cfb8SIngo Molnar #define X86_FEATURE_XSAVES		(10*32+ 3) /* XSAVES/XRSTORS instructions */
2647d7d1bf1SArnaldo Carvalho de Melo 
2650b44cfb8SIngo Molnar /* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:0 (EDX), word 11 */
2667d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CQM_LLC		(11*32+ 1) /* LLC QoS if 1 */
2677d7d1bf1SArnaldo Carvalho de Melo 
2680b44cfb8SIngo Molnar /* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:1 (EDX), word 12 */
2690b44cfb8SIngo Molnar #define X86_FEATURE_CQM_OCCUP_LLC	(12*32+ 0) /* LLC occupancy monitoring */
2707d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CQM_MBM_TOTAL	(12*32+ 1) /* LLC Total MBM monitoring */
2717d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CQM_MBM_LOCAL	(12*32+ 2) /* LLC Local MBM monitoring */
2727d7d1bf1SArnaldo Carvalho de Melo 
2730b44cfb8SIngo Molnar /* AMD-defined CPU features, CPUID level 0x80000008 (EBX), word 13 */
2747d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_CLZERO		(13*32+ 0) /* CLZERO instruction */
2757d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_IRPERF		(13*32+ 1) /* Instructions Retired Count */
276643e345cSIngo Molnar #define X86_FEATURE_XSAVEERPTR		(13*32+ 2) /* Always save/restore FP error pointers */
2774053717aSArnaldo Carvalho de Melo #define X86_FEATURE_IBPB		(13*32+12) /* Indirect Branch Prediction Barrier */
2784053717aSArnaldo Carvalho de Melo #define X86_FEATURE_IBRS		(13*32+14) /* Indirect Branch Restricted Speculation */
2794053717aSArnaldo Carvalho de Melo #define X86_FEATURE_STIBP		(13*32+15) /* Single Thread Indirect Branch Predictors */
2807d7d1bf1SArnaldo Carvalho de Melo 
2810b44cfb8SIngo Molnar /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
2827d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_DTHERM		(14*32+ 0) /* Digital Thermal Sensor */
2837d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_IDA			(14*32+ 1) /* Intel Dynamic Acceleration */
2847d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_ARAT		(14*32+ 2) /* Always Running APIC Timer */
2857d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PLN			(14*32+ 4) /* Intel Power Limit Notification */
2867d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PTS			(14*32+ 6) /* Intel Package Thermal Status */
2877d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HWP			(14*32+ 7) /* Intel Hardware P-states */
2887d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HWP_NOTIFY		(14*32+ 8) /* HWP Notification */
2897d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HWP_ACT_WINDOW	(14*32+ 9) /* HWP Activity Window */
2907d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HWP_EPP		(14*32+10) /* HWP Energy Perf. Preference */
2917d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_HWP_PKG_REQ		(14*32+11) /* HWP Package Level Request */
2927d7d1bf1SArnaldo Carvalho de Melo 
2930b44cfb8SIngo Molnar /* AMD SVM Feature Identification, CPUID level 0x8000000a (EDX), word 15 */
2947d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_NPT			(15*32+ 0) /* Nested Page Table support */
2957d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_LBRV		(15*32+ 1) /* LBR Virtualization support */
2967d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SVML		(15*32+ 2) /* "svm_lock" SVM locking MSR */
2977d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_NRIPS		(15*32+ 3) /* "nrip_save" SVM next_rip save */
2987d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_TSCRATEMSR		(15*32+ 4) /* "tsc_scale" TSC scaling support */
2997d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_VMCBCLEAN		(15*32+ 5) /* "vmcb_clean" VMCB clean bits support */
3007d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_FLUSHBYASID		(15*32+ 6) /* flush-by-ASID support */
3017d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_DECODEASSISTS	(15*32+ 7) /* Decode Assists support */
3027d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PAUSEFILTER		(15*32+10) /* filtered pause intercept */
3037d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PFTHRESHOLD		(15*32+12) /* pause filter threshold */
3047d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_AVIC		(15*32+13) /* Virtual Interrupt Controller */
305a2105f8aSArnaldo Carvalho de Melo #define X86_FEATURE_V_VMSAVE_VMLOAD	(15*32+15) /* Virtual VMSAVE VMLOAD */
306549a3976SIngo Molnar #define X86_FEATURE_VGIF		(15*32+16) /* Virtual GIF */
3077d7d1bf1SArnaldo Carvalho de Melo 
3080b44cfb8SIngo Molnar /* Intel-defined CPU features, CPUID level 0x00000007:0 (ECX), word 16 */
309c0621acfSIngo Molnar #define X86_FEATURE_AVX512VBMI		(16*32+ 1) /* AVX512 Vector Bit Manipulation instructions*/
3100b44cfb8SIngo Molnar #define X86_FEATURE_UMIP		(16*32+ 2) /* User Mode Instruction Protection */
3117d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_PKU			(16*32+ 3) /* Protection Keys for Userspace */
3127d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_OSPKE		(16*32+ 4) /* OS Protection Keys Enable */
3130b44cfb8SIngo Molnar #define X86_FEATURE_AVX512_VBMI2	(16*32+ 6) /* Additional AVX512 Vector Bit Manipulation Instructions */
3140b44cfb8SIngo Molnar #define X86_FEATURE_GFNI		(16*32+ 8) /* Galois Field New Instructions */
3150b44cfb8SIngo Molnar #define X86_FEATURE_VAES		(16*32+ 9) /* Vector AES */
3160b44cfb8SIngo Molnar #define X86_FEATURE_VPCLMULQDQ		(16*32+10) /* Carry-Less Multiplication Double Quadword */
3170b44cfb8SIngo Molnar #define X86_FEATURE_AVX512_VNNI		(16*32+11) /* Vector Neural Network Instructions */
3180b44cfb8SIngo Molnar #define X86_FEATURE_AVX512_BITALG	(16*32+12) /* Support for VPOPCNT[B,W] and VPSHUF-BITQMB instructions */
3195e2a146bSArnaldo Carvalho de Melo #define X86_FEATURE_TME			(16*32+13) /* Intel Total Memory Encryption */
32006b35d93SPiotr Luc #define X86_FEATURE_AVX512_VPOPCNTDQ	(16*32+14) /* POPCNT for vectors of DW/QW */
321f2ba3ee0SArnaldo Carvalho de Melo #define X86_FEATURE_LA57		(16*32+16) /* 5-level page tables */
322c0621acfSIngo Molnar #define X86_FEATURE_RDPID		(16*32+22) /* RDPID instruction */
323605e71cdSArnaldo Carvalho de Melo #define X86_FEATURE_CLDEMOTE		(16*32+25) /* CLDEMOTE instruction */
3247d7d1bf1SArnaldo Carvalho de Melo 
3250b44cfb8SIngo Molnar /* AMD-defined CPU features, CPUID level 0x80000007 (EBX), word 17 */
3267d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_OVERFLOW_RECOV	(17*32+ 0) /* MCA overflow recovery support */
3277d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SUCCOR		(17*32+ 1) /* Uncorrectable error containment and recovery */
3287d7d1bf1SArnaldo Carvalho de Melo #define X86_FEATURE_SMCA		(17*32+ 3) /* Scalable MCA */
3297d7d1bf1SArnaldo Carvalho de Melo 
3304053717aSArnaldo Carvalho de Melo /* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */
3314053717aSArnaldo Carvalho de Melo #define X86_FEATURE_AVX512_4VNNIW	(18*32+ 2) /* AVX-512 Neural Network Instructions */
3324053717aSArnaldo Carvalho de Melo #define X86_FEATURE_AVX512_4FMAPS	(18*32+ 3) /* AVX-512 Multiply Accumulation Single precision */
3335e2a146bSArnaldo Carvalho de Melo #define X86_FEATURE_PCONFIG		(18*32+18) /* Intel PCONFIG */
3344053717aSArnaldo Carvalho de Melo #define X86_FEATURE_SPEC_CTRL		(18*32+26) /* "" Speculation Control (IBRS + IBPB) */
3354053717aSArnaldo Carvalho de Melo #define X86_FEATURE_INTEL_STIBP		(18*32+27) /* "" Single Thread Indirect Branch Predictors */
3364053717aSArnaldo Carvalho de Melo #define X86_FEATURE_ARCH_CAPABILITIES	(18*32+29) /* IA32_ARCH_CAPABILITIES MSR (Intel) */
3374053717aSArnaldo Carvalho de Melo 
3387d7d1bf1SArnaldo Carvalho de Melo /*
3397d7d1bf1SArnaldo Carvalho de Melo  * BUG word(s)
3407d7d1bf1SArnaldo Carvalho de Melo  */
3417d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG(x)			(NCAPINTS*32 + (x))
3427d7d1bf1SArnaldo Carvalho de Melo 
3437d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_F00F			X86_BUG(0) /* Intel F00F */
3447d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_FDIV			X86_BUG(1) /* FPU FDIV */
3457d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_COMA			X86_BUG(2) /* Cyrix 6x86 coma */
3467d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_AMD_TLB_MMATCH		X86_BUG(3) /* "tlb_mmatch" AMD Erratum 383 */
3477d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_AMD_APIC_C1E		X86_BUG(4) /* "apic_c1e" AMD Erratum 400 */
3487d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_11AP			X86_BUG(5) /* Bad local APIC aka 11AP */
3497d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_FXSAVE_LEAK		X86_BUG(6) /* FXSAVE leaks FOP/FIP/FOP */
3507d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_CLFLUSH_MONITOR		X86_BUG(7) /* AAI65, CLFLUSH required before MONITOR */
3517d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_SYSRET_SS_ATTRS		X86_BUG(8) /* SYSRET doesn't fix up SS attrs */
3527d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_32
3537d7d1bf1SArnaldo Carvalho de Melo /*
3547d7d1bf1SArnaldo Carvalho de Melo  * 64-bit kernels don't use X86_BUG_ESPFIX.  Make the define conditional
3557d7d1bf1SArnaldo Carvalho de Melo  * to avoid confusion.
3567d7d1bf1SArnaldo Carvalho de Melo  */
3577d7d1bf1SArnaldo Carvalho de Melo #define X86_BUG_ESPFIX			X86_BUG(9) /* "" IRET to 16-bit SS corrupts ESP/RSP high bits */
3587d7d1bf1SArnaldo Carvalho de Melo #endif
359bebfb730SArnaldo Carvalho de Melo #define X86_BUG_NULL_SEG		X86_BUG(10) /* Nulling a selector preserves the base */
360bebfb730SArnaldo Carvalho de Melo #define X86_BUG_SWAPGS_FENCE		X86_BUG(11) /* SWAPGS without input dep on GS */
361bebfb730SArnaldo Carvalho de Melo #define X86_BUG_MONITOR			X86_BUG(12) /* IPI required to wake up remote CPU */
362c0621acfSIngo Molnar #define X86_BUG_AMD_E400		X86_BUG(13) /* CPU is among the affected by Erratum 400 */
3635d64db29SArnaldo Carvalho de Melo #define X86_BUG_CPU_MELTDOWN		X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */
3644053717aSArnaldo Carvalho de Melo #define X86_BUG_SPECTRE_V1		X86_BUG(15) /* CPU is affected by Spectre variant 1 attack with conditional branches */
3654053717aSArnaldo Carvalho de Melo #define X86_BUG_SPECTRE_V2		X86_BUG(16) /* CPU is affected by Spectre variant 2 attack with indirect branches */
3660b44cfb8SIngo Molnar 
3677d7d1bf1SArnaldo Carvalho de Melo #endif /* _ASM_X86_CPUFEATURES_H */
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