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From"Fenghua Yu" <>
Subject[PATCH v3 1/4] x86, cpu: Add CPU flags for SMEP
DateTue, 17 May 2011 18:44:26 -0700
From: Fenghua Yu <fenghua.yu@intel.com>

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

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
---
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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