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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Mon 12 Mar 2018 16:01:16 GMT
# gpg:                using RSA key 9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  block: make BDRV_POLL_WHILE() re-entrancy safe

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-03-13 10:49:02 +00:00
commit 834eddf22e
2 changed files with 31 additions and 32 deletions
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2
util/aio-wait.c
View file

@ -34,7 +34,7 @@ static void dummy_bh_cb(void *opaque)
void aio_wait_kick(AioWait *wait)
{
/* The barrier (or an atomic op) is in the caller. */
if (atomic_read(&wait->need_kick)) {
if (atomic_read(&wait->num_waiters)) {
aio_bh_schedule_oneshot(qemu_get_aio_context(), dummy_bh_cb, NULL);
}
}