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

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Message-ID: <20080815155313.GF27955@elte.hu>
Date:	Fri, 15 Aug 2008 17:53:15 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jordan Crouse <jordan.crouse@....com>
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


* Jordan Crouse <jordan.crouse@....com> wrote:

> 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.

ok - i've put it into tip/x86/urgent as well.

	Ingo
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