Patchwork [3/6] x86, cpu: Enumerate xsaveopt

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Submitter Leann Ogasawara
Date Aug. 24, 2010, 1:58 a.m.
Message ID <99e34ec9794cf1bfe6b3c3a97eea3028f24120a6.1282613125.git.leann.ogasawara@canonical.com>
Download mbox | patch
Permalink /patch/62528/
State Rejected
Delegated to: Leann Ogasawara
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Leann Ogasawara - Aug. 24, 2010, 1:58 a.m.
BugLink: https://bugs.launchpad.net/bugs/485548

Enumerate the xsaveopt feature.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <20100719230205.604014179@sbs-t61.sc.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
(backported from upstream commit 5734f62b6601d88fd8ec720cb56b93fd3a030557)

Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>
---
 arch/x86/kernel/cpu/addon_cpuid_features.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Patch

diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 628d234..0ad1f30 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -34,6 +34,7 @@  void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
 		{ X86_FEATURE_IDA,		CR_EAX, 1, 0x00000006, 0 },
 		{ X86_FEATURE_ARAT,		CR_EAX, 2, 0x00000006, 0 },
 		{ X86_FEATURE_APERFMPERF,	CR_ECX, 0, 0x00000006, 0 },
+		{ X86_FEATURE_XSAVEOPT,		CR_EAX,	0, 0x0000000d, 1 },
 		{ X86_FEATURE_CPB,		CR_EDX, 9, 0x80000007, 0 },
 		{ X86_FEATURE_NPT,		CR_EDX, 0, 0x8000000a, 0 },
 		{ X86_FEATURE_LBRV,		CR_EDX, 1, 0x8000000a, 0 },