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x86/cpufeatures: Add Intel Total Memory Encryption cpufeature

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CPUID.0x7.0x0:ECX[13] indicates whether CPU supports Intel Total Memory
Encryption.

Signed-off-by: Kirill A. Shutemov <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Kai Huang <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tom Lendacky <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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Kirill A. Shutemov authored and Ingo Molnar committed 2018-03-12 12:09:53 +01:00
1 parent c07a8f8b08
commit 1da961d72a
1 file changed
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arch/x86/include/asm/cpufeatures.h
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@@ -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 */