diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2012-07-20 22:35:06 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2012-07-20 22:36:41 +0200 |
| commit | 30d5c4546a7dae29a1aa76abdb69a78bb00136be (patch) | |
| tree | 9d24604b6c920e44dd582498b3c991b7b6a5faa7 /arch/x86 | |
| parent | Linux 3.5-rc7 (diff) | |
| download | linux-30d5c4546a7dae29a1aa76abdb69a78bb00136be.tar.xz linux-30d5c4546a7dae29a1aa76abdb69a78bb00136be.zip | |
x86, cpufeature: Add the RDSEED and ADX features
Add the RDSEED and ADX features documented in section 9.1 of the Intel
Architecture Instruction Set Extensions Programming Reference,
document 319433, version 013b, available from
http://software.intel.com/en-us/avx/
The PREFETCHW bit is already supported in Linux under the name
3DNOWPREFETCH.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-lgr6482ufk1bvxzvc2hr8qbp@git.kernel.org
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/cpufeature.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index f91e80f4f180..6b7ee5ff6820 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -207,6 +207,8 @@ #define X86_FEATURE_ERMS (9*32+ 9) /* Enhanced REP MOVSB/STOSB */ #define X86_FEATURE_INVPCID (9*32+10) /* Invalidate Processor Context ID */ #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 */ #if defined(__KERNEL__) && !defined(__ASSEMBLY__) |