On Tue, May 24, 2022 at 01:30:54PM -0400, Emanuele Giuseppe Esposito wrote: > It seems that aio_wait_kick always required a memory barrier > or atomic operation in the caller, but nobody actually > took care of doing it. > > Let's put the barrier in the function instead, and pair it > with another one in AIO_WAIT_WHILE. Read aio_wait_kick() > comment for further explanation. > > Suggested-by: Paolo Bonzini <pbonz...@redhat.com> > Signed-off-by: Emanuele Giuseppe Esposito <eespo...@redhat.com> > --- > include/block/aio-wait.h | 2 ++ > util/aio-wait.c | 16 +++++++++++++++- > 2 files changed, 17 insertions(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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