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KVM: SVM: Fix FPU leak while emulating clts

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The clts code didn't use set_cr0 properly, so our lazy FPU
processing wasn't being done by the clts instruction at all.

(this isn't called on Intel as the hardware does the decode for us)

Signed-off-by: Amit Shah <amit.shah@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Amit Shah 2007-11-19 17:57:35 +02:00 committed by Avi Kivity
parent 8d379a7c06
commit 404fb881b8
1 changed files with 1 additions and 2 deletions
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3
drivers/kvm/kvm_main.c
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@ -1188,8 +1188,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
int emulate_clts(struct kvm_vcpu *vcpu)
{
vcpu->cr0 &= ~X86_CR0_TS;
kvm_x86_ops->set_cr0(vcpu, vcpu->cr0);
kvm_x86_ops->set_cr0(vcpu, vcpu->cr0 & ~X86_CR0_TS);
return X86EMUL_CONTINUE;
}