Ying Fang 5d7a2bee1d Revert: "util/async: Add memory barrier to aio_ctx_prepare"
This reverts commit 6777b03eafa348f6075dd47aae4e9f4b8f568a26

This fix picked from https://lists.gnu.org/archive/html/qemu-devel/2020-04/msg00204.html
was incomplete to fix the qemu-img hang problem.

Let's revert it and use upstream patch picked from Paolo Bonzini
https://patchwork.kernel.org/patch/11482099/
https://patchwork.kernel.org/patch/11482103/

Signed-off-by: Ying Fang <fangying1@huawei.com>
2020-04-10 17:47:50 +08:00
2019-11-06 19:50:55 +08:00
2019-09-30 11:15:46 -04:00
2019-09-30 11:15:46 -04:00
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