Commit 0c79893b authored by Liu, Jinsong's avatar Liu, Jinsong Committed by Paolo Bonzini

KVM: x86: expose new instruction RDSEED to guest

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: default avatarXudong Hao <xudong.hao@intel.com>
Signed-off-by: default avatarLiu Jinsong <jinsong.liu@intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 0d75de4a
...@@ -303,7 +303,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, ...@@ -303,7 +303,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
/* cpuid 7.0.ebx */ /* cpuid 7.0.ebx */
const u32 kvm_supported_word9_x86_features = const u32 kvm_supported_word9_x86_features =
F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | 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 */ /* all calls to cpuid_count() should be made on the same cpu */
get_cpu(); get_cpu();
......
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