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KVM: SVM: Lazy fpu with npt

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Now that we can allow the guest to play with cr0 when the fpu is loaded,
we can enable lazy fpu when npt is in use.

Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2010-01-10 12:19:20 +02:00 committed by Marcelo Tosatti
parent d225157bc6
commit 4610c83cdc
1 changed files with 0 additions and 8 deletions
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8
arch/x86/kvm/svm.c
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@ -2588,8 +2588,6 @@ static void svm_flush_tlb(struct kvm_vcpu *vcpu)
static void svm_prepare_guest_switch(struct kvm_vcpu *vcpu)
{
if (npt_enabled)
vcpu->fpu_active = 1;
}
static inline void sync_cr8_to_lapic(struct kvm_vcpu *vcpu)
@ -2928,12 +2926,6 @@ static void svm_fpu_deactivate(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
if (npt_enabled) {
/* hack: npt requires active fpu at this time */
vcpu->fpu_active = 1;
return;
}
update_cr0_intercept(svm);
svm->vmcb->control.intercept_exceptions |= 1 << NM_VECTOR;
}