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| author | Michael S. Tsirkin <mst@redhat.com> | 2014-10-15 01:52:32 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2014-10-15 01:55:08 +0200 |
| commit | 52c9cf1ac3d315995e9a65b900bc25e1d8a538b3 (patch) | |
| tree | 6c10b56f785e5476ca88b00b624fe871538fdd0b /drivers/scsi | |
| parent | virtio_blk: enable VQs early on restore (diff) | |
| download | linux-52c9cf1ac3d315995e9a65b900bc25e1d8a538b3.tar.xz linux-52c9cf1ac3d315995e9a65b900bc25e1d8a538b3.zip | |
virtio_scsi: enable VQs early on restore
virtio spec requires drivers to set DRIVER_OK before using VQs.
This is set automatically after restore returns, virtio scsi violated
this rule on restore by kicking event vq within restore.
To fix, call virtio_device_ready before using event queue.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/virtio_scsi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 0642ce387c75..6a39896b30dc 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -1054,6 +1054,8 @@ static int virtscsi_restore(struct virtio_device *vdev) return err; } + virtio_device_ready(vdev); + if (virtio_has_feature(vdev, VIRTIO_SCSI_F_HOTPLUG)) virtscsi_kick_event_all(vscsi); |