linux-kernel - Re: [PATCH 2/2] percpu,module: implement and use is_kernel/module_percpu

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Message-ID: <1268217747.7487.0.camel@twins>
Date:	Wed, 10 Mar 2010 11:42:27 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Valdis.Kletnieks@...edu, Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH 2/2] percpu,module: implement and use
 is_kernel/module_percpu_address()

On Wed, 2010-03-10 at 18:57 +0900, Tejun Heo wrote:
> lockdep has custom code to check whether a pointer belongs to static
> percpu area which is somewhat broken.  Implement proper
> is_kernel/module_percpu_address() and replace the custom code.
> 
> On UP, percpu variables are regular static variables and can't be
> distinguished from them.  Always return %false on UP.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Cc: Rusty Russell <rusty@...tcorp.com.au>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Peter Zijlstra <peterz@...radead.org>

Looks good to me, thanks Tejun!

Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
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