aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kvm/i8254.c
diff options
context:
space:
mode:
authorAlex Shi <alex.shi@linaro.org>2016-04-21 14:43:36 +0800
committerAlex Shi <alex.shi@linaro.org>2016-04-21 14:43:36 +0800
commit9beee7af111a7afa5f7b787daaf8a6891c05f216 (patch)
tree92fdbea807b9ef2917d1f087355f08617230dd75 /arch/x86/kvm/i8254.c
parente8490c42825967752fef08dddf37eb3f5f34d753 (diff)
parentfd9302c16fc244139c1ddfdffc145d5b772ed9ce (diff)
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-androidlsk-v4.1-16.04-android
Conflicts: keep -fno-pic flag in arch/arm64/Makefile
Diffstat (limited to 'arch/x86/kvm/i8254.c')
-rw-r--r--arch/x86/kvm/i8254.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index f90952f64e79..e6a4c57100ea 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -244,7 +244,7 @@ static void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian)
* PIC is being reset. Handle it gracefully here
*/
atomic_inc(&ps->pending);
- else if (value > 0)
+ else if (value > 0 && ps->reinject)
/* in this case, we had multiple outstanding pit interrupts
* that we needed to inject. Reinject
*/
@@ -287,7 +287,9 @@ static void pit_do_work(struct kthread_work *work)
* last one has been acked.
*/
spin_lock(&ps->inject_lock);
- if (ps->irq_ack) {
+ if (!ps->reinject)
+ inject = 1;
+ else if (ps->irq_ack) {
ps->irq_ack = 0;
inject = 1;
}
@@ -316,10 +318,10 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
struct kvm_kpit_state *ps = container_of(data, struct kvm_kpit_state, timer);
struct kvm_pit *pt = ps->kvm->arch.vpit;
- if (ps->reinject || !atomic_read(&ps->pending)) {
+ if (ps->reinject)
atomic_inc(&ps->pending);
- queue_kthread_work(&pt->worker, &pt->expired);
- }
+
+ queue_kthread_work(&pt->worker, &pt->expired);
if (ps->is_periodic) {
hrtimer_add_expires_ns(&ps->timer, ps->period);