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 section, like virtio-blk already > does : basically downgrading virtio_scsi_vring_init() to only > setup the host notifier and set the callback in the caller. > > This will allow to batch addition/deletion of ioeventds in > a single memory transaction, which is expected to greatly > improve initialization time. > > Signed-off-by: Greg Kurz <gr...@kaod.org> > --- > hw/scsi/virtio-scsi-dataplane.c | 40 ++++++++++++++++++--------------- > 1 file changed, 22 insertions(+), 18 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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