linux-kernel - Re: [2.6.28.7] BUG: using smp_processor_id() in preemptible [00000000] code: pageattr-test/207

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Message-ID: <49A343EE.20100@phoenixsoftware.de>
Date:	Tue, 24 Feb 2009 01:48:46 +0100
From:	Tilman Schmidt <t.schmidt@...enixsoftware.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, stable@...nel.org,
	Jeremy Fitzhardinge <jeremy@...source.com>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [2.6.28.7] BUG: using smp_processor_id() in preemptible [00000000]
 code: pageattr-test/207

On Mon, 23 Feb 2009 15:13:31 -0800, Andrew Morton <akpm@...ux-foundation.org> wrote:
> A 2.6.28.6 -> 2.6.28.7 regressionlet.
> 
> This, I bet:
> 
> commit 2cf155b300c4839a7238b825c7c5f417e9d7cc68
> Author: Jeremy Fitzhardinge <jeremy@...p.org>
> Date:   Wed Feb 11 09:32:19 2009 -0800
> 
>     x86/cpa: make sure cpa is safe to call in lazy mmu mode
>     
>     commit 4f06b0436b2ddbd3b67b10e77098a6862787b3eb upstream.

Jackpot! Reverted that commit on 2.6.28.7, and the BUG messages are gone.

Thanks,
Tilman
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