From 4610c83cdc8bff04f2f22883749f716b1ccc502f Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Sun, 10 Jan 2010 12:19:20 +0200 Subject: [PATCH] KVM: SVM: Lazy fpu with npt 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 Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 83c7ab1..8d7cb62 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -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; } -- 1.8.2.3