linux-kernel - Re: [PATCH] rtc: lockdep fix

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Date:	Wed, 20 Sep 2006 10:47:28 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH] rtc: lockdep fix


* Arjan van de Ven <arjan@...ux.intel.com> wrote:

> >ouch! That is a scenario that could lead to real lockups. Fix looks 
> >good and necessary for v2.6.18 to me.
> 
> btw this entire code path is evil; the rtc_get_rtc_time() function can 
> do really long delays which is unsuitable for being called in 
> interrupt context!

yeah - but i dont think it triggers that often, and a fix for that 
probably isnt for v2.6.18.

	Ingo
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