| commit | 1448c133e19372359d9de68626c06088ba79a34b | |
| author | Stefan Hajnoczi <stefanha@redhat.com> | |
| Thu, 12 Jan 2017 11:46:11 +0000 (12 11:46 +0000) | ||
| committer | Michael S. Tsirkin <mst@redhat.com> | |
| Wed, 18 Jan 2017 20:59:53 +0000 (18 22:59 +0200) | ||
| tree | 564100eb7e05d387280baec5032d5e87e32f8a08 | treesnapshot (tar.gz zip) |
| parent | 332fa82d0963409fa14997a02639289afa226596 | commitdiff |
virtio: disable notifications again after poll succeeded
While AioContext is in polling mode virtqueue notifications are not
necessary. Some device virtqueue handlers enable notifications. Make
sure they stay disabled to avoid unnecessary vmexits.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Richard Henderson <rth@twiddle.net>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
While AioContext is in polling mode virtqueue notifications are not
necessary. Some device virtqueue handlers enable notifications. Make
sure they stay disabled to avoid unnecessary vmexits.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Richard Henderson <rth@twiddle.net>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| hw/virtio/virtio.c | diffblobblamehistory |