Re: [PATCH] util/async: Add memory barrier to aio_ctx_prepare

Patchew URL: https://patchew.org/QEMU/20200402011803.1270-1-fangyi...@huawei.com/ Hi, This series seems to have some coding style problems. See output below for more information: Subject: [PATCH] util/async: Add memory barrier to aio_ctx_prepare Message-id: 20200402011803.1270-1-fangyi

[PATCH] util/async: Add memory barrier to aio_ctx_prepare

Qemu main thread is found to hang up in the mainloop when doing image format convert on aarch64 platform and it is highly reproduceable by executing test using: qemu-img convert -f qcow2 -O qcow2 origin.qcow2 converted.qcow2 This mysterious hang can be explained by a race condition between the ma