[PATCH v3 1/4] x86, cpu: Add CPU flags for SMEP

[Fenghua Yu]

From: Fenghua Yu <fenghua.yu@xxxxxxxxx>

Add support for newly documented SMEP (Supervisor Mode Execution Protection) CPU
feature flags.

Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
---
 arch/x86/include/asm/cpufeature.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 50c0d30..ca1e0ac 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -195,6 +195,7 @@
 
 /* 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_SMEP	(9*32+ 7) /* Supervisor Mode Execution Protection */
 
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
 
-- 
1.7.2

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