On Mon, Feb 27, 2017 at 12:17:26PM +0100, Paolo Bonzini wrote: > nodes[id].next is written by other threads. If atomic_read is not used > (matching atomic_set in mcs_mutex_lock!) the compiler can optimize the > whole "if" away! > > Reported-by: Alex Bennée <[email protected]> > Signed-off-by: Paolo Bonzini <[email protected]> > --- > tests/test-aio-multithread.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
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