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authorAvi Kivity <avi@redhat.com>2010-01-21 15:31:47 +0200
committerMarcelo Tosatti <mtosatti@redhat.com>2010-03-01 12:36:04 -0300
commit6b52d18605f580bdffaffd48c8da228c3e848deb (patch)
treeb2bf6e704dc5c0b44714d38c955460d70f76b913 /arch/x86/kvm/x86.c
parente5bb40251a920cdd9d12c569c6aab0bdd0279e4e (diff)
KVM: Activate fpu on clts
Assume that if the guest executes clts, it knows what it's doing, and load the guest fpu to prevent an #NM exception. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c61ec9c69267..4db0c8a9082e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3269,6 +3269,7 @@ 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;
}