diff options
Diffstat (limited to 'drivers/kvm/kvm_main.c')
| -rw-r--r-- | drivers/kvm/kvm_main.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index af2d288c881..8c458f26287 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2054,12 +2054,21 @@ again: kvm_x86_ops->run(vcpu, kvm_run); - kvm_guest_exit(); vcpu->guest_mode = 0; local_irq_enable(); ++vcpu->stat.exits; + /* + * We must have an instruction between local_irq_enable() and + * kvm_guest_exit(), so the timer interrupt isn't delayed by + * the interrupt shadow. The stat.exits increment will do nicely. + * But we need to prevent reordering, hence this barrier(): + */ + barrier(); + + kvm_guest_exit(); + preempt_enable(); /* |