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KVM: x86: expose Intel cpu new features (HLE, RTM) to guest

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Intel recently release 2 new features, HLE and RTM.
Refer to http://software.intel.com/file/41417.
This patch expose them to guest.

Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Liu, Jinsong 2012-02-28 05:15:46 +00:00 committed by Avi Kivity
parent 0034102808
commit 83c529151a
1 changed files with 2 additions and 1 deletions
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arch/x86/kvm/cpuid.c
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@ -247,7 +247,8 @@ static int do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
/* cpuid 7.0.ebx */ /* cpuid 7.0.ebx */
const u32 kvm_supported_word9_x86_features = const u32 kvm_supported_word9_x86_features =
F(FSGSBASE) | F(BMI1) | F(AVX2) | F(SMEP) | F(BMI2) | F(ERMS); F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
F(BMI2) | F(ERMS) | F(RTM);
/* all calls to cpuid_count() should be made on the same cpu */ /* all calls to cpuid_count() should be made on the same cpu */
get_cpu(); get_cpu();