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>

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 3ec9275..d5ea3e3 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -165,6 +165,7 @@
 #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_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 */
 #define X86_FEATURE_TPR_SHADOW  (8*32+ 0) /* Intel TPR Shadow */