From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@vyatta.com>
Subject: Re: [PATCH 2/3] PPTP: PPP over IPv4 (Point-to-Point Tunneling
 Protocol)
Date: Wed, 4 Aug 2010 10:25:35 -0700
Message-ID: <20100804102535.37bd94c4@nehalam>
References: <E1OgbTZ-0006nb-00.xeb-mail-ru@f279.mail.ru>
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On Wed, 04 Aug 2010 14:45:33 +0400
xeb@mail.ru wrote:

> +static DEFINE_RWLOCK(chan_lock);

A reader-writer lock is going to be slower than a spin lock
(or RCU) for this. IF possible, could you use RCU?

--