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x86, cpu: Add xsaveopt cpufeature

Add cpu feature bit support for the XSAVEOPT instruction.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <20100719230205.523204988@sbs-t61.sc.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Suresh Siddha 15 years ago
parent
edb18f8ab0
commit
40e1d7a4ff
1 changed files with 1 additions and 0 deletions
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  1. 1 0
      arch/x86/include/asm/cpufeature.h

+ 1 - 0
arch/x86/include/asm/cpufeature.h
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@@ -165,6 +165,7 @@
 
 #define X86_FEATURE_ARAT	(7*32+ 1) /* Always Running APIC Timer */
 
 #define X86_FEATURE_ARAT	(7*32+ 1) /* Always Running APIC Timer */
 
 #define X86_FEATURE_CPB		(7*32+ 2) /* AMD Core Performance Boost */
 
 #define X86_FEATURE_CPB		(7*32+ 2) /* AMD Core Performance Boost */
 
 #define X86_FEATURE_EPB		(7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
 
 #define X86_FEATURE_EPB		(7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
 
+#define X86_FEATURE_XSAVEOPT	(7*32+4) /* "xsaveopt" Optimized Xsave */
 
 
 
 /* Virtualization flags: Linux defined, word 8 */
 
 /* Virtualization flags: Linux defined, word 8 */
 
 #define X86_FEATURE_TPR_SHADOW  (8*32+ 0) /* Intel TPR Shadow */
 
 #define X86_FEATURE_TPR_SHADOW  (8*32+ 0) /* Intel TPR Shadow */