linux-kernel - Re: [PATCH net-next v3] tcp: md5: check md5 signature without socket lock

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Date:	Wed, 06 Aug 2014 16:00:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ixaphire@...tor.net
Cc:	yoshfuji@...ux-ipv6.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3] tcp: md5: check md5 signature without
 socket lock

From: Dmitry Popov <ixaphire@...tor.net>
Date: Thu, 7 Aug 2014 02:38:22 +0400

> Since a8afca032 (tcp: md5: protects md5sig_info with RCU) tcp_md5_do_lookup
> doesn't require socket lock, rcu_read_lock is enough. Therefore socket lock is
> no longer required for tcp_v{4,6}_inbound_md5_hash too, so we can move these
> calls (wrapped with rcu_read_{,un}lock) before bh_lock_sock:
> from tcp_v{4,6}_do_rcv to tcp_v{4,6}_rcv.
> 
> Signed-off-by: Dmitry Popov <ixaphire@...tor.net>

Applied, thank you.
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