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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:20:57 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:20:57 +0200
commitfd2c17e1777d46cff14c25ea774a4d17459d188a (patch)
treee8299216de8e99418195ba64bcf8f679df3a66b3 /arch/x86/kvm/i8254.c
parent74e411cb6443d8bcb55fbe89fcc7a9ee574df91b (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/timerstip-x86-timers-2008-06-16_09.20_Mon
Diffstat (limited to 'arch/x86/kvm/i8254.c')
-rw-r--r--arch/x86/kvm/i8254.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 3324d90038e4..f2f5d260874e 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -200,7 +200,6 @@ 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);
@@ -216,7 +215,7 @@ int pit_has_pending_timer(struct kvm_vcpu *vcpu)
{
struct kvm_pit *pit = vcpu->kvm->arch.vpit;
- if (pit && vcpu->vcpu_id == 0)
+ if (pit && vcpu->vcpu_id == 0 && pit->pit_state.inject_pending)
return atomic_read(&pit->pit_state.pit_timer.pending);
return 0;
@@ -237,6 +236,19 @@ 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");