linux-kernel - Re: [patch -mm 26/28] x86-64 block irq balancing for timer

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Message-Id: <1182648015.2626.0.camel@laptopd505.fenrus.org>
Date:	Sat, 23 Jun 2007 18:20:14 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Andreas Kleen <ak@...e.de>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	John Stultz <johnstul@...ibm.com>,
	Chris Wright <chrisw@...s-sol.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch -mm 26/28] x86-64 block irq balancing for timer

On Sun, 2007-06-24 at 02:04 +0200, Andreas Kleen wrote:
> Am Sat 23 Jun 2007 11:27:20 PM CEST schrieb Arjan van de Ven  
> <arjan@...radead.org>:
> 
> > On Sat, 2007-06-23 at 13:32 +0000, Thomas Gleixner wrote:
> >> plain text document attachment
> >> (x86-64-clockevents-irq-balancing.patch)
> >> From: Venki Pallipadi <venkatesh.pallipadi@...el.com>
> >>
> >> Disable irq balancing on IRQ0.
> >
> >
> > this patch is missing some rationale....
> 
> Several SIS chipsets lock up when you try to change affinity of IRQ #0

so we're protecting root against himself.. fair enough.
probably wants a comment in the code 
-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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