linux-kernel - Re: [patch] Kconfig.debug DEBUG

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Date:	Wed, 6 Jun 2007 13:32:27 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	maximilian attems <max@...o.at>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] Kconfig.debug DEBUG_PREEMPT dependency


* maximilian attems <max@...o.at> wrote:

> allow to set DEBUG_PREEMPT on PREEMPT_BKL, but !PREEMPT purpose is to 
> get bonus of debug_smp_processor_id().

hm, have you tested this? In the case of !PREEMPT there will be _lots_ 
of places that use smp_processor_id() but where the preempt_count() wont 
be elevated - causing false positive warnings.

	Ingo
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