| Message ID | DE8DF0795D48FD4CA783C40EC829233501509B37@SHSMSX101.ccr.corp.intel.com |
|---|---|
| State | New |
| Headers | show |
Il 21/02/2014 18:36, Liu, Jinsong ha scritto: > 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> > --- > 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 abe18b4..a951ae4 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, > /* cpuid 7.0.ebx */ > const u32 kvm_supported_word9_x86_features = > F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | > - F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED); > + F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED) | > + F(ADX); > > /* all calls to cpuid_count() should be made on the same cpu */ > get_cpu(); > Applied to kvm/queue, thanks. Paolo
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index abe18b4..a951ae4 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, /* cpuid 7.0.ebx */ const u32 kvm_supported_word9_x86_features = F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | - F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED); + F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED) | + F(ADX); /* all calls to cpuid_count() should be made on the same cpu */ get_cpu();