Wait for termination of all pending requests in clear endpoint operation, otherwise you cannot reset virtio devices safely.
Signed-off-by: Asias He <[email protected]> --- drivers/vhost/tcm_vhost.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c index 5f8342c..4b0cb12 100644 --- a/drivers/vhost/tcm_vhost.c +++ b/drivers/vhost/tcm_vhost.c @@ -1152,9 +1152,13 @@ static int vhost_scsi_clear_endpoint( tv_tpg->tv_tpg_vhost_count--; tv_tpg->vhost_scsi = NULL; vs->vs_tpg[target] = NULL; + /* After this, no further requests can be queued */ vs->vs_endpoint = false; mutex_unlock(&tv_tpg->tv_tpg_mutex); } + /* Flush the pending requests and wait for them to finish */ + vhost_scsi_flush(vs); + mutex_unlock(&vs->dev.mutex); return 0; -- 1.8.1.4 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
