From: Liu, Jinsong <jinsong.liu@intel.com>
Date: Tue, 28 Feb 2012 05:15:46 +0000 (+0000)
Subject: KVM: x86: expose Intel cpu new features (HLE, RTM) to guest
X-Git-Tag: v3.12-rc1~3092^2~110
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=83c529151ab0d4a813e3f6a3e293fff75d468519;p=kernel%2Fkernel-generic.git

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

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>
---

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 9fed5be..c2134b8 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -247,7 +247,8 @@ static int do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 
 	/* cpuid 7.0.ebx */
 	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 */
 	get_cpu();