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From: tip-bot for Suresh Siddha on 19 Jul 2010 21:00
Commit-ID: 40e1d7a4ffee5cb17f5c36f4c3c4a011ab103ebe
Gitweb: http://git.kernel.org/tip/40e1d7a4ffee5cb17f5c36f4c3c4a011ab103ebe
Author: Suresh Siddha <suresh.b.siddha(a)intel.com>
AuthorDate: Mon, 19 Jul 2010 16:05:51 -0700
Committer: H. Peter Anvin <hpa(a)linux.intel.com>
CommitDate: Mon, 19 Jul 2010 16:48:06 -0700

x86, cpu: Add xsaveopt cpufeature

Add cpu feature bit support for the XSAVEOPT instruction.

Signed-off-by: Suresh Siddha <suresh.b.siddha(a)intel.com>
LKML-Reference: <20100719230205.523204988(a)sbs-t61.sc.intel.com>
Signed-off-by: H. Peter Anvin <hpa(a)linux.intel.com>
---
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 3ec9275..d5ea3e3 100644
--- 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 */
--
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Next: [tip:x86/cpu] x86, cpu: Enumerate xsaveopt