From 0c79893b2bad49e0c391a9499f50fcd5b0f80874 Mon Sep 17 00:00:00 2001 From: "Liu, Jinsong" Date: Fri, 21 Feb 2014 17:33:32 +0000 Subject: [PATCH] KVM: x86: expose new instruction RDSEED to guest From 24ffdce9efebf13c6ed4882f714b2b57ef1141eb Mon Sep 17 00:00:00 2001 From: Liu Jinsong 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 Signed-off-by: Liu Jinsong Signed-off-by: Paolo Bonzini --- arch/x86/kvm/cpuid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index c6976257eff5..abe18b489e73 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();