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| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-10-15 10:22:33 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2014-10-15 10:25:11 +1030 |
| commit | 1fa5b2a784dc52d929432bcc963a0bfb3a74608f (patch) | |
| tree | 355e848dfd4805806e9065163e0ac262b53796f7 /drivers/scsi/virtio_scsi.c | |
| parent | e53fbd11e983e896adaabef2d2f1695d6e0af829 (diff) | |
| download | lwn-1fa5b2a784dc52d929432bcc963a0bfb3a74608f.tar.gz lwn-1fa5b2a784dc52d929432bcc963a0bfb3a74608f.zip | |
virito_scsi: use freezable WQ for events
Michael S. Tsirkin noticed a race condition:
we reset device on freeze, but system WQ is still
running so it might try adding bufs to a VQ meanwhile.
To fix, switch to handling events from the freezable WQ.
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/scsi/virtio_scsi.c')
| -rw-r--r-- | drivers/scsi/virtio_scsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 6a39896b30dc..29fd44a5d4dd 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -390,7 +390,7 @@ static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_event_node *event_node = buf; - schedule_work(&event_node->work); + queue_work(system_freezable_wq, &event_node->work); } static void virtscsi_event_done(struct virtqueue *vq) |