netdev - Re: [PATCH 2/3] PPTP: PPP over IPv4 (Point-to-Point Tunneling Protocol)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100804102535.37bd94c4@nehalam>
Date:	Wed, 4 Aug 2010 10:25:35 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	xeb@...l.ru
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/3] PPTP: PPP over IPv4 (Point-to-Point Tunneling
 Protocol)

On Wed, 04 Aug 2010 14:45:33 +0400
xeb@...l.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?

-- 
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html