netdev - Re: [PATCH] rps: tcp: fix rps_sock_flow

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Message-ID: <AANLkTil2FPtr9PDoY4MGOpSdEkLW4qJesqzzjJr5FCwk@mail.gmail.com>
Date:	Fri, 4 Jun 2010 08:15:10 -0700
From:	Tom Herbert <therbert@...gle.com>
To:	David Miller <davem@...emloft.net>
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH] rps: tcp: fix rps_sock_flow_table table updates

Looks good to me.   Thanks Eric.

Tom

On Thu, Jun 3, 2010 at 8:07 PM, David Miller <davem@...emloft.net> wrote:
>
> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Thu, 03 Jun 2010 21:03:58 +0200
>
> > I believe a moderate SYN flood attack can corrupt RFS flow table
> > (rps_sock_flow_table), making RPS/RFS much less effective.
>  ...
> > This patch moves sock_rps_save_rxhash() to a sock locked section,
> > and only for non LISTEN sockets.
>
> This looks good to me.
>
> Tom, please review.
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