netdev - Re: [PATCH net-next-2.6] net: introduce rcu_dereference

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Message-ID: <1283970567.2237.0.camel@achroite.uk.solarflarecom.com>
Date:	Wed, 08 Sep 2010 19:29:27 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Jarek Poplawski <jarkao2@...il.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next-2.6] net: introduce rcu_dereference_rtnl

On Tue, 2010-09-07 at 23:07 +0200, Eric Dumazet wrote:
[...]
> +/**
> + * rcu_dereference_rtnl - rcu_dereference with debug checking
> + * @p: The pointer to read, prior to dereferencing
> + *
> + * Do an rcu_dereference(p), but check caller either holds rcu_read_lock()
> + * or RTNL
> + */
> +#define rcu_dereference_rtnl(p)					\
> +	rcu_dereference_check(p, rcu_read_lock_held() ||	\
> +				 lockdep_rtnl_is_held());
[...]

No semicolon on the end, please.  The 'caller' will add that.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.


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