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path: root/drivers/kvm/kvm_main.c
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Diffstat (limited to 'drivers/kvm/kvm_main.c')
-rw-r--r--drivers/kvm/kvm_main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 7aeaaba79c54..5b42731beba4 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -693,10 +693,13 @@ void fx_init(struct kvm_vcpu *vcpu)
693 693
694 } *fx_image; 694 } *fx_image;
695 695
696 /* Initialize guest FPU by resetting ours and saving into guest's */
697 preempt_disable();
696 fx_save(vcpu->host_fx_image); 698 fx_save(vcpu->host_fx_image);
697 fpu_init(); 699 fpu_init();
698 fx_save(vcpu->guest_fx_image); 700 fx_save(vcpu->guest_fx_image);
699 fx_restore(vcpu->host_fx_image); 701 fx_restore(vcpu->host_fx_image);
702 preempt_enable();
700 703
701 fx_image = (struct fx_image_s *)vcpu->guest_fx_image; 704 fx_image = (struct fx_image_s *)vcpu->guest_fx_image;
702 fx_image->mxcsr = 0x1f80; 705 fx_image->mxcsr = 0x1f80;