Cpu stall issue may happen if device is configured with multi queues and large queue depth, so fix it. Signed-off-by: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx> --- drivers/char/virtio_console.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index b65c809a4e97..5ec4cf4ea919 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1935,6 +1935,7 @@ static void remove_vqs(struct ports_device *portdev) flush_bufs(vq, true); while ((buf = virtqueue_detach_unused_buf(vq))) free_buf(buf, true); + cond_resched(); } portdev->vdev->config->del_vqs(portdev->vdev); kfree(portdev->in_vqs); -- 2.17.1
