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x86, cpufeature: Add the RDSEED and ADX features

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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
This commit is contained in:
H. Peter Anvin
2012-07-20 13:35:06 -07:00
parent 84a1caf145
commit 30d5c4546a
1 changed files with 2 additions and 0 deletions
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2
arch/x86/include/asm/cpufeature.h
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@@ -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__)