netdev - Re: [PATCH 2/5] net: Remove explicit write references to sk/inet in ip_append

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Date:	Tue, 01 Mar 2011 06:31:18 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	David Miller <davem@...emloft.net>, rick.jones2@...com,
	therbert@...gle.com, wsommerfeld@...gle.com,
	daniel.baluta@...il.com, netdev@...r.kernel.org,
	Thomas Graf <tgraf@...radead.org>
Subject: Re: [PATCH 2/5] net: Remove explicit write references to sk/inet
 in ip_append_data

Le lundi 28 février 2011 à 19:41 +0800, Herbert Xu a écrit :
> net: Remove explicit write references to sk/inet in ip_append_data
> 
> In order to allow simultaneous calls to ip_append_data on the same
> socket, it must not modify any shared state in sk or inet (other
> than those that are designed to allow that such as atomic counters).
> 
> This patch abstracts out write references to sk and inet_sk in
> ip_append_data and its friends so that we may use the underlying
> code in parallel.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
> ---
> 
>  include/net/inet_sock.h |   23 ++--
>  net/ipv4/ip_output.c    |  238 ++++++++++++++++++++++++++++--------------------
>  2 files changed, 154 insertions(+), 107 deletions(-)

Acked-by: Eric Dumazet <eric.dumazet@...il.com>



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