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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:27:29 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:27:29 +0200
commit5ce001b0e56638c726270d4f9e05d46d4250dfbb (patch)
treec21cf007ddef99d5e8b23dde9621bd9152e676a8 /arch/x86/kvm/i8254.c
parent7c9f8861e6c9c839f913e49b98c3854daca18f27 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into stackprotectortip-stackprotector-2008-06-25_10.27_Wed
Diffstat (limited to 'arch/x86/kvm/i8254.c')
-rw-r--r--arch/x86/kvm/i8254.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 7c077a9d9777..3829aa7b663f 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -200,10 +200,12 @@ int __pit_timer_fn(struct kvm_kpit_state *ps)
atomic_inc(&pt->pending);
smp_mb__after_atomic_inc();
- /* FIXME: handle case where the guest is in guest mode */
- if (vcpu0 && waitqueue_active(&vcpu0->wq)) {
- vcpu0->arch.mp_state = KVM_MP_STATE_RUNNABLE;
- wake_up_interruptible(&vcpu0->wq);
+ if (vcpu0) {
+ set_bit(KVM_REQ_PENDING_TIMER, &vcpu0->requests);
+ if (waitqueue_active(&vcpu0->wq)) {
+ vcpu0->arch.mp_state = KVM_MP_STATE_RUNNABLE;
+ wake_up_interruptible(&vcpu0->wq);
+ }
}
pt->timer.expires = ktime_add_ns(pt->timer.expires, pt->period);
@@ -237,6 +239,19 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
return HRTIMER_NORESTART;
}
+void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
+{
+ struct kvm_pit *pit = vcpu->kvm->arch.vpit;
+ struct hrtimer *timer;
+
+ if (vcpu->vcpu_id != 0 || !pit)
+ return;
+
+ timer = &pit->pit_state.pit_timer.timer;
+ if (hrtimer_cancel(timer))
+ hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
+}
+
static void destroy_pit_timer(struct kvm_kpit_timer *pt)
{
pr_debug("pit: execute del timer!\n");