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| author | H. Peter Anvin <hpa@zytor.com> | 2012-09-09 11:12:04 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2012-09-09 11:12:04 -0700 |
| commit | 05194cfc547528a01d655262c49da3b1311c4b11 (patch) | |
| tree | fa6e531ccdc1673987fdf938552b9950a8132cf3 /arch/x86/include | |
| parent | 4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff) | |
| download | lwn-05194cfc547528a01d655262c49da3b1311c4b11.tar.gz lwn-05194cfc547528a01d655262c49da3b1311c4b11.zip | |
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
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | 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 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__) |