summaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/vmx.c
diff options
context:
space:
mode:
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/vmx.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/vmx.c')
-rw-r--r--arch/x86/kvm/vmx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index b7e812e9c29..fad871cbed1 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3002,6 +3002,7 @@ static int handle_cr(struct kvm_vcpu *vcpu)
vmx_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~X86_CR0_TS));
trace_kvm_cr_write(0, kvm_read_cr0(vcpu));
skip_emulated_instruction(vcpu);
+ vmx_fpu_activate(vcpu);
return 1;
case 1: /*mov from cr*/
switch (cr) {