linux-kernel - Re: [1/6] 2.6.21-rc4: known regressions

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Message-Id: <1174675437.10840.315.camel@localhost.localdomain>
Date:	Fri, 23 Mar 2007 19:43:57 +0100
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Mingming Cao <cmm@...ibm.com>, Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Mariusz Kozlowski <m.kozlowski@...land.pl>,
	Oliver Pinter <oliver.pntr@...il.com>,
	Sid Boyce <g3vbv@...eyonder.co.uk>,
	Nick Piggin <npiggin@...e.de>,
	Jens Axboe <jens.axboe@...cle.com>,
	Thomas Renninger <trenn@...e.de>,
	Len Brown <len.brown@...el.com>
Subject: Re: [1/6] 2.6.21-rc4: known regressions

On Fri, 2007-03-23 at 11:28 -0700, Linus Torvalds wrote:
> 
> On Fri, 23 Mar 2007, Linus Torvalds wrote:
> > 
> > Thomas, please fix.
> 
> Here's a possible fix. It compiles. And I still wish we had common files.

You beat me by 30 seconds.

> ia64 shouldn't be affected, because ia64 doesn't #define the 
> ARCH_APICTIMER_STOPS_ON_C3 flag (and then we don't use the "c2_ok" thing 
> either. 

Right, ia64 does not see it.

> But this is still pretty damn ugly.

Yes it is.

> Maybe a field in "struct acpi_processor" for C2/C3 problems?

Hmm, the acpi processor stuff is modular.

	tglx


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