From: Avi Kivity <[email protected]> This allows accessing the guest fpu from the instruction emulator, as well as being symmetric with kvm_put_guest_fpu().
Signed-off-by: Avi Kivity <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d1f28d2..f07c863 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4240,7 +4240,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) preempt_disable(); kvm_x86_ops->prepare_guest_switch(vcpu); - kvm_load_guest_fpu(vcpu); + if (vcpu->fpu_active) + kvm_load_guest_fpu(vcpu); local_irq_disable(); @@ -5286,7 +5287,7 @@ EXPORT_SYMBOL_GPL(fx_init); void kvm_load_guest_fpu(struct kvm_vcpu *vcpu) { - if (!vcpu->fpu_active || vcpu->guest_fpu_loaded) + if (vcpu->guest_fpu_loaded) return; vcpu->guest_fpu_loaded = 1; -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
