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

[Eric Dumazet]

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

> 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())

> 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.



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