linux-kernel - Re: [PATCH 1/2] percpu: add percpu_variable

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Message-ID: <4C21E07E.40003@kernel.org>
Date:	Wed, 23 Jun 2010 12:22:54 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
CC:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] percpu: add percpu_variable_ptr()

Hello,

On 06/23/2010 12:20 PM, Lai Jiangshan wrote:
>> Why not just use &name?
> 
> I remember the real variable name is hidden.
> We can't expose the inner details of percpu, so I add a macro for it.

Yeah, the whole point was unifying static and dynamic ones into the
same name / address space.  &name is now guaranteed to work, so no
need for indirection layer.

Thanks.

-- 
tejun
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