summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorH. Peter Anvin <hpa@zytor.com>2012-09-09 11:12:04 -0700
committerH. Peter Anvin <hpa@zytor.com>2012-09-09 11:12:04 -0700
commit05194cfc547528a01d655262c49da3b1311c4b11 (patch)
treefa6e531ccdc1673987fdf938552b9950a8132cf3
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
x86, cpufeature: Add feature bit for SMAP
Add CPUID feature bit for Supervisor Mode Access Prevention (SMAP). Signed-off-by: H. Peter Anvin <hpa@zytor.com> Link: http://lkml.kernel.org/n/tip-ethzcr5nipikl6hd5q8ssepq@git.kernel.org
-rw-r--r--arch/x86/include/asm/cpufeature.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 6b7ee5ff6820..633b6176cf60 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -209,6 +209,7 @@
#define X86_FEATURE_RTM (9*32+11) /* Restricted Transactional Memory */
#define X86_FEATURE_RDSEED (9*32+18) /* The RDSEED instruction */
#define X86_FEATURE_ADX (9*32+19) /* The ADCX and ADOX instructions */
+#define X86_FEATURE_SMAP (9*32+20) /* Supervisor Mode Access Prevention */
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)