[PATCH v4 2/2] scsi: virtio_scsi: kick event_list unconditionally

Joshua Daley posted 2 patches 1 week, 1 day ago
[PATCH v4 2/2] scsi: virtio_scsi: kick event_list unconditionally
Posted by Joshua Daley 1 week, 1 day ago
The event_list processes non-hotplug events (such as LUN capacity
changes), so remove the conditions that guard the initial kicks in
_probe() and _restore(), as well as the work cancellation in _remove().

Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Joshua Daley <jdaley@linux.ibm.com>
---
 drivers/scsi/virtio_scsi.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 64b6c942f572..5fdaa71f0652 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -982,11 +982,10 @@ static int virtscsi_probe(struct virtio_device *vdev)
 
 	virtio_device_ready(vdev);
 
-	if (virtio_has_feature(vdev, VIRTIO_SCSI_F_HOTPLUG)) {
-		for (int i = 0; i < VIRTIO_SCSI_EVENT_LEN; i++)
-			INIT_WORK(&vscsi->event_list[i].work, virtscsi_handle_event);
-		virtscsi_kick_event_all(vscsi);
-	}
+	for (int i = 0; i < VIRTIO_SCSI_EVENT_LEN; i++)
+		INIT_WORK(&vscsi->event_list[i].work, virtscsi_handle_event);
+
+	virtscsi_kick_event_all(vscsi);
 
 	scsi_scan_host(shost);
 	return 0;
@@ -1003,8 +1002,7 @@ static void virtscsi_remove(struct virtio_device *vdev)
 	struct Scsi_Host *shost = virtio_scsi_host(vdev);
 	struct virtio_scsi *vscsi = shost_priv(shost);
 
-	if (virtio_has_feature(vdev, VIRTIO_SCSI_F_HOTPLUG))
-		virtscsi_cancel_event_work(vscsi);
+	virtscsi_cancel_event_work(vscsi);
 
 	scsi_remove_host(shost);
 	virtscsi_remove_vqs(vdev);
@@ -1030,8 +1028,7 @@ static int virtscsi_restore(struct virtio_device *vdev)
 
 	virtio_device_ready(vdev);
 
-	if (virtio_has_feature(vdev, VIRTIO_SCSI_F_HOTPLUG))
-		virtscsi_kick_event_all(vscsi);
+	virtscsi_kick_event_all(vscsi);
 
 	return err;
 }
-- 
2.34.1
Re: [PATCH v4 2/2] scsi: virtio_scsi: kick event_list unconditionally
Posted by Stefan Hajnoczi 1 week ago
On Wed, Mar 25, 2026 at 07:08:57PM +0100, Joshua Daley wrote:
> The event_list processes non-hotplug events (such as LUN capacity
> changes), so remove the conditions that guard the initial kicks in
> _probe() and _restore(), as well as the work cancellation in _remove().
> 
> Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Joshua Daley <jdaley@linux.ibm.com>
> ---
>  drivers/scsi/virtio_scsi.c | 15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>