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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-12-19 13:49:13 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-12-19 13:49:13 +0300 |
| commit | 0fa85119cd480c1ded7a81ed64f723fe16a15355 (patch) | |
| tree | 8648434601c5112a1d9ab091ab11507fe88e0962 /virt/kvm/async_pf.c | |
| parent | d6ccc3ec95251d8d3276f2900b59cbc468dd74f4 (diff) | |
| parent | 1eab0e42450c6038e2bb17da438370fe639973f3 (diff) | |
| download | linux-0fa85119cd480c1ded7a81ed64f723fe16a15355.tar.xz | |
Merge branch 'linus' into x86/cleanups
Pull in upstream changes so we can apply depending patches.
Diffstat (limited to 'virt/kvm/async_pf.c')
| -rw-r--r-- | virt/kvm/async_pf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index 44660aee335f..77d42be6970e 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -94,6 +94,10 @@ static void async_pf_execute(struct work_struct *work) trace_kvm_async_pf_completed(addr, gva); + /* + * This memory barrier pairs with prepare_to_wait's set_current_state() + */ + smp_mb(); if (waitqueue_active(&vcpu->wq)) wake_up_interruptible(&vcpu->wq); |