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| author | Dominik Dingel <dingel@linux.vnet.ibm.com> | 2013-09-03 12:31:16 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-01-30 12:52:20 +0100 |
| commit | 9f2ceda49c6b8827c795731c204f6c2587886e2c (patch) | |
| tree | 66d50d1720dd389f12f1e8b318e1ba7cb3e597e0 | |
| parent | e0ead41a6dac09f86675ce07a66e4b253a9b7bd5 (diff) | |
| download | blackbird-op-linux-9f2ceda49c6b8827c795731c204f6c2587886e2c.tar.gz blackbird-op-linux-9f2ceda49c6b8827c795731c204f6c2587886e2c.zip | |
KVM: async_pf: Allow to wait for outstanding work
On s390 we are not able to cancel work. Instead we will flush the work and wait for
completion.
Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
| -rw-r--r-- | virt/kvm/async_pf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index 00980ab02c45..889aad022014 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -113,11 +113,16 @@ void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu) list_entry(vcpu->async_pf.queue.next, typeof(*work), queue); list_del(&work->queue); + +#ifdef CONFIG_KVM_ASYNC_PF_SYNC + flush_work(&work->work); +#else if (cancel_work_sync(&work->work)) { mmdrop(work->mm); kvm_put_kvm(vcpu->kvm); /* == work->vcpu->kvm */ kmem_cache_free(async_pf_cache, work); } +#endif } spin_lock(&vcpu->async_pf.lock); |
