On Tue, Jun 03, 2014 at 11:21:01AM +0200, Stefan Hajnoczi wrote: > qemu_bh_schedule() is supposed to be thread-safe at least the first time > it is called. Unfortunately this is not quite true: > > bh->scheduled = 1; > aio_notify(bh->ctx); > > Since another thread may run the BH callback once it has been scheduled, > there is a race condition if the callback frees the BH before > aio_notify(bh->ctx) has a chance to run. > > Reported-by: Stefan Priebe <s.pri...@profihost.ag> > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> > --- > async.c | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-)
Applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
