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| author | Stefan Hajnoczi | 2017-01-12 12:46:11 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin | 2017-01-18 21:59:53 +0100 |
| commit | 1448c133e19372359d9de68626c06088ba79a34b (patch) | |
| tree | 564100eb7e05d387280baec5032d5e87e32f8a08 /scripts/modules/module_block.py | |
| parent | Revert "virtio: turn vq->notification into a nested counter" (diff) | |
| download | qemu-1448c133e19372359d9de68626c06088ba79a34b.tar.gz qemu-1448c133e19372359d9de68626c06088ba79a34b.tar.xz qemu-1448c133e19372359d9de68626c06088ba79a34b.zip | |
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>
Diffstat (limited to 'scripts/modules/module_block.py')
0 files changed, 0 insertions, 0 deletions