On Wed, Apr 07, 2021 at 04:35:00PM +0200, Greg Kurz wrote:
> Host notifiers are guaranteed to be idle until the callbacks are
> hooked up with virtio_queue_aio_set_host_notifier_handler(). They
> thus don't need to be set or unset with the AioContext lock held.
>
> Do this outside the critical sec
Host notifiers are guaranteed to be idle until the callbacks are
hooked up with virtio_queue_aio_set_host_notifier_handler(). They
thus don't need to be set or unset with the AioContext lock held.
Do this outside the critical section, like virtio-blk already
does : basically downgrading virtio_scs
