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 <[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]>

diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index f41079da38c55f8a2e891b044ac9ffb73919c37e..16898eb813f5cbf71b1e31060955ae87044799a1 100644 (file)
--- 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 */