On 05/17/2010 12:08 PM, Sheng Yang wrote:
Convert KVM to use generic FPU API.
void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
{
if (vcpu->guest_fpu_loaded)
@@ -5156,7 +5134,7 @@ void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
vcpu->guest_fpu_loaded = 1;
unlazy_fpu(current);
- kvm_fx_restore(&vcpu->arch.guest_fx_image);
+ fpu_restore_checking(&vcpu->arch.guest_fpu);
trace_kvm_fpu(1);
}
Do we need to do something on error here?
I think an error can only occur if userspace sets bad fpu state, so
maybe do the check in the ioctl.
In any case, unrelated to this patch.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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