linux-kernel - Re: [PATCH v1] ARM: keep __my_cpu_offset consistent with generic one

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Message-ID: <CACVXFVP4NeZBg5yZW8q+vhgs0m3knkkdvyjv_hc9BLrFPqEBJA@mail.gmail.com>
Date:	Tue, 12 Mar 2013 19:44:55 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Rob Herring <rob.herring@...xeda.com>,
	Will Deacon <will.deacon@....com>,
	Nicolas Pitre <nico@...aro.org>, Tejun Heo <tj@...nel.org>,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [PATCH v1] ARM: keep __my_cpu_offset consistent with generic one

On Tue, Mar 12, 2013 at 7:30 PM, Russell King - ARM Linux
<linux@....linux.org.uk> wrote:
>>
>> Ingo and Peter, what is your opinion on the problem?
>
> Having discussed this with Ben Herrenschmidt, it seems that we do need
> to have a more complex patch to sort this out - we need to setup our
> private pointer inside setup_per_cpu_areas().

Suppose so, seems the patch is still needed to make CPU0 see
static variables in '.data..percpu' section correctly.


Thanks,
-- 
Ming Lei
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