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| author | Avi Kivity <avi@redhat.com> | 2010-01-21 15:31:47 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:36:04 -0300 |
| commit | 6b52d18605f580bdffaffd48c8da228c3e848deb (patch) | |
| tree | b2bf6e704dc5c0b44714d38c955460d70f76b913 /arch/x86/kvm/x86.c | |
| parent | e5bb40251a920cdd9d12c569c6aab0bdd0279e4e (diff) | |
| download | lwn-6b52d18605f580bdffaffd48c8da228c3e848deb.tar.gz lwn-6b52d18605f580bdffaffd48c8da228c3e848deb.zip | |
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.c | 1 |
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; } |