On 01/21/2010 02:31 PM, Avi Kivity wrote:
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index feca59f..09207ba 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3266,6 +3266,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
int emulate_clts(struct kvm_vcpu *vcpu)
{
kvm_x86_ops->set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~X86_CR0_TS));
+ kvm_x86_ops->fpu_activate(vcpu);
return X86EMUL_CONTINUE;
}
Can this code be reached if CLTS is executed in real mode? That would
cause a NULL-pointer access on VMX.
Paolo
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