Re: [PATCH net] vhost_net: add missing lock nesting notation

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Mon, 26 Mar 2018 16:10:23 +0800

> We try to hold TX virtqueue mutex in vhost_net_rx_peek_head_len()
> after RX virtqueue mutex is held in handle_rx(). This requires an
> appropriate lock nesting notation to calm down deadlock detector.
> 
> Fixes: 0308813724606 ("vhost_net: basic polling support")
> Reported-by: syzbot+7f073540b1384a614e09@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>

Applied and queued up for -stable, thanks Jason.