diff options
author | Liu, Jinsong <jinsong.liu@intel.com> | 2014-02-21 12:36:12 -0500 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-02-22 09:53:34 -0500 |
commit | 49345f13f0830741b94b867cf906c4aad3988306 (patch) | |
tree | 63b2ab52144f33bda7d29a2cb12a915d3e25241f | |
parent | 0c79893b2bad49e0c391a9499f50fcd5b0f80874 (diff) |
KVM: x86: expose ADX feature to guest
From 0750e335eb5860b0b483e217e8a08bd743cbba16 Mon Sep 17 00:00:00 2001
From: Liu Jinsong <jinsong.liu@intel.com>
Date: Thu, 20 Feb 2014 17:39:32 +0800
Subject: [PATCH] KVM: x86: expose ADX feature to guest
ADCX and ADOX instructions perform an unsigned addition with Carry flag and
Overflow flag respectively.
Signed-off-by: Xudong Hao <xudong.hao@intel.com>
Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r-- | arch/x86/kvm/cpuid.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index abe18b489e73..a951ae4d2370 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c | |||
@@ -303,7 +303,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, | |||
303 | /* cpuid 7.0.ebx */ | 303 | /* cpuid 7.0.ebx */ |
304 | const u32 kvm_supported_word9_x86_features = | 304 | const u32 kvm_supported_word9_x86_features = |
305 | F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | | 305 | F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | |
306 | F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED); | 306 | F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED) | |
307 | F(ADX); | ||
307 | 308 | ||
308 | /* all calls to cpuid_count() should be made on the same cpu */ | 309 | /* all calls to cpuid_count() should be made on the same cpu */ |
309 | get_cpu(); | 310 | get_cpu(); |