linux-kernel - [PATCH 2/2] KVM: x86: zero MSR_IA32_FEATURE

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Date:	Fri,  8 Jul 2016 14:01:41 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:	rkrcmar@...hat.com, Haozhong Zhang <haozhong.zhang@...el.com>
Subject: [PATCH 2/2] KVM: x86: zero MSR_IA32_FEATURE_CONTROL on reset

Reported-by: Laszlo Ersek <lersek@...hat.com>
Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 arch/x86/kvm/x86.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 388d9ffd7551..c01b0b3a06aa 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7494,6 +7494,7 @@ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
 	if (!init_event) {
 		kvm_pmu_reset(vcpu);
 		vcpu->arch.smbase = 0x30000;
+		vcpu->arch.msr_ia32_feature_control = 0;
 	}
 
 	memset(vcpu->arch.regs, 0, sizeof(vcpu->arch.regs));
-- 
1.8.3.1