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nvme: correct locking around completion 

nvme_poll_queues is already protected by q->lock, and
AIO callbacks are invoked outside the AioContext lock.
So remove the acquire/release pair in nvme_handle_event.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20180814062739.19640-1-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Paolo Bonzini 2018-08-14 08:27:39 +02:00 committed by Fam Zheng
parent 14a2d11825
commit 6388147296
1 changed files with 0 additions and 2 deletions
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2
block/nvme.c
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@ -489,10 +489,8 @@ static void nvme_handle_event(EventNotifier *n)
BDRVNVMeState *s = container_of(n, BDRVNVMeState, irq_notifier);
trace_nvme_handle_event(s);
aio_context_acquire(s->aio_context);
event_notifier_test_and_clear(n);
nvme_poll_queues(s);
aio_context_release(s->aio_context);
}
static bool nvme_add_io_queue(BlockDriverState *bs, Error **errp)