netdev - Re: [PATCH v3 10/12] l2tp: Add L2TP ethernet pseudowire support

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: <20100330093252.60d9cbee@nehalam>
Date:	Tue, 30 Mar 2010 09:32:52 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	James Chapman <jchapman@...alix.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v3 10/12] l2tp: Add L2TP ethernet pseudowire support

On Tue, 30 Mar 2010 17:18:19 +0100
James Chapman <jchapman@...alix.com> wrote:

> +struct l2tp_eth_net {
> +	struct list_head l2tp_eth_dev_list;
> +	rwlock_t l2tp_eth_lock;
> +};

Reader/write locks are discouraged because they are slower than
spin locks.  If you have lots of readers use RCU, if reading
is infrequent just use a spin lock.

-- 
--
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