linux-kernel - Re: x86: SB600: skip IRQ0 override if it is not routed to INT2 of IOAPIC

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Message-ID: <20081022100818.GA13407@alberich.amd.com>
Date:	Wed, 22 Oct 2008 12:08:18 +0200
From:	Andreas Herrmann <andreas.herrmann3@....com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>
CC:	linux-kernel@...r.kernel.org
Subject: Re: x86: SB600: skip IRQ0 override if it is not routed to INT2 of
	IOAPIC

On Wed, Oct 22, 2008 at 12:05:23PM +0200, Andreas Herrmann wrote:
> On Wed, Oct 15, 2008 at 11:51:53AM +0200, Andreas Herrmann wrote:
> > On some more HP laptops BIOS reports an IRQ0 override
> > but the SB600 chipset is configured such that timer
> > interrupts go to INT0 of IOAPIC.
> > 
> > Check IRQ0 routing and if it is routed to INT0 of IOAPIC skip the
> > timer override.
> > 
> > See following bug reports:
> > http://bugzilla.kernel.org/show_bug.cgi?id=11715
> > http://bugzilla.kernel.org/show_bug.cgi?id=11516
> > 
> > Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com>
> > ---
> >  arch/x86/kernel/early-quirks.c |   55 +++++++++++++++++++++++++++++++++++++--
> >  1 files changed, 52 insertions(+), 3 deletions(-)
> > 
> > Patch is against v2.6.27-3977-gc166ab7 (yesterday's Linus git).
> > Please apply.
> 
> 
> Hi Ingo,
> 
> any chance that this fix makes it into tip asap?
> I'd like to see it in 2.6.28.

Sorry for the noise.
I've just seen that you have already applied it.


Thanks!!

Andreas


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