| Message ID | DE8DF0795D48FD4CA783C40EC829233501509B15@SHSMSX101.ccr.corp.intel.com |
|---|---|
| State | New |
| Headers | show |
Il 21/02/2014 18:33, Liu, Jinsong ha scritto: > From 24ffdce9efebf13c6ed4882f714b2b57ef1141eb Mon Sep 17 00:00:00 2001 > From: Liu Jinsong <jinsong.liu@intel.com> > Date: Thu, 20 Feb 2014 17:38:26 +0800 > Subject: [PATCH] KVM: x86: expose new instruction RDSEED to guest > > RDSEED instruction return a random number, which supplied by a > cryptographically secure, deterministic random bit generator(DRBG). > > Signed-off-by: Xudong Hao <xudong.hao@intel.com> > Signed-off-by: Liu Jinsong <jinsong.liu@intel.com> > --- > arch/x86/kvm/cpuid.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c > index c697625..abe18b4 100644 > --- a/arch/x86/kvm/cpuid.c > +++ b/arch/x86/kvm/cpuid.c > @@ -303,7 +303,7 @@ 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(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED); > > /* 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 c697625..abe18b4 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -303,7 +303,7 @@ 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(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED); /* all calls to cpuid_count() should be made on the same cpu */ get_cpu();