linux-kernel - Re: geode-mfgpt: check IRQ before using MFGPT as clocksource

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Message-ID: <20080815152948.GB30024@cosmic.amd.com>
Date:	Fri, 15 Aug 2008 09:29:48 -0600
From:	Jordan Crouse <jordan.crouse@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Jens Rottmann <JRottmann@...PERTEmbedded.de>,
	Andres Salomon <dilinger@...ian.org>,
	linux-geode@...badil.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: geode-mfgpt: check IRQ before using MFGPT as clocksource

On 15/08/08 17:11 +0200, Ingo Molnar wrote:
> 
> * Jens Rottmann <JRottmann@...PERTEmbedded.de> wrote:
> 
> > Adds a simple IRQ autodetection to the AMD Geode MFGPT driver, and 
> > more importantly, adds some checks, if IRQs can actually be received 
> > on the chosen line.  This fixes cases where MFGPT is selected as 
> > clocksource though not producing any ticks, so the kernel simply 
> > starves during boot.
> 
> i've applied it to tip/x86/geode. Should it go into v2.6.27 via 
> x86/urgent, or should wait for v2.6.28?

It fixes a real system hang for some folks, so 2.6.27 would be great
if you and Linus agree. 

Thanks,
Jordan

-- 
Jordan Crouse
Systems Software Development Engineer 
Advanced Micro Devices, Inc.

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