Messages in this thread Patch in this message | | | Date | Mon, 12 Mar 2018 05:20:50 -0700 | From | "tip-bot for Kirill A. Shutemov" <> | Subject | [tip:x86/mm] x86/cpufeatures: Add Intel Total Memory Encryption cpufeature |
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Commit-ID: 1da961d72ab0cfbe8b7c26cba731dc2bb6b9494b Gitweb: https://git.kernel.org/tip/1da961d72ab0cfbe8b7c26cba731dc2bb6b9494b Author: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> AuthorDate: Mon, 5 Mar 2018 19:25:49 +0300 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Mon, 12 Mar 2018 12:09:53 +0100
x86/cpufeatures: Add Intel Total Memory Encryption cpufeature
CPUID.0x7.0x0:ECX[13] indicates whether CPU supports Intel Total Memory Encryption.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Kai Huang <kai.huang@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20180305162610.37510-2-kirill.shutemov@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index f41079da38c5..16898eb813f5 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -316,6 +316,7 @@ #define X86_FEATURE_VPCLMULQDQ (16*32+10) /* Carry-Less Multiplication Double Quadword */ #define X86_FEATURE_AVX512_VNNI (16*32+11) /* Vector Neural Network Instructions */ #define X86_FEATURE_AVX512_BITALG (16*32+12) /* Support for VPOPCNT[B,W] and VPSHUF-BITQMB instructions */ +#define X86_FEATURE_TME (16*32+13) /* Intel Total Memory Encryption */ #define X86_FEATURE_AVX512_VPOPCNTDQ (16*32+14) /* POPCNT for vectors of DW/QW */ #define X86_FEATURE_LA57 (16*32+16) /* 5-level page tables */ #define X86_FEATURE_RDPID (16*32+22) /* RDPID instruction */
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