Re: [PATCH 3/3] vhost-net: use lock_sock_fast() in peek_head_len()

On Sun, Mar 13, 2011 at 05:32:07PM +0100, Eric Dumazet wrote:

Le dimanche 13 mars 2011 à 18:19 +0200, Michael S. Tsirkin a écrit :

quoted

Other side is in drivers/net/tun.c and net/packet/af_packet.c
At least wrt tun it seems clear socket is not locked.

Yes (assuming you refer to tun_net_xmit())

quoted

Besides queue, dequeue seems to be done without socket locked.

It seems this code (assuming you speak of drivers/vhost/net.c ?) has
some races indeed.

Hmm. Any more besides the one fixed here?

-- 
MST