Date: Thu, 11 Sep 2003 17:43:01 -0400 (EDT)
From: Zwane Mwaikambo <zwane@linuxpower.ca>
To: Maciej Babinski <maciej@apathy.killer-robot.net>
cc: Linux Kernel <linux-kernel@vger.kernel.org>,
       William Lee Irwin III <wli@holomorphy.com>
Subject: Re: [PATCH][2.6] i386 /proc/irq/.../smp_affinity
In-Reply-To: <20030911174331.GA1678@apathy.black-flower>
Message-ID: <Pine.LNX.4.53.0309111741230.6886@montezuma.fsmlabs.com>
References: <20030910191459.GA12099@apathy.black-flower>
 <Pine.LNX.4.53.0309101535050.9323@montezuma.fsmlabs.com>
 <20030911174331.GA1678@apathy.black-flower>
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On Thu, 11 Sep 2003, Maciej Babinski wrote:

> > That number looks highly suspect; see patch below
> > 
> 
> This changes the mask to 00000003. Much more reasonable.

Cool.

> I didn't have irqbalanced running. After some investigation, setting
> the mask to 00000002 gets interrupts to hit cpu 1. Setting it to
> 00000001 or 00000003 gets all interrupts to hit cpu 0. Setting
> noirqbalance doesn't do anything to change this. 

0x2 will hit cpu1 because we currently do a find first bit on the 
mask you specify. As for noirqbalance not working, that's a kernel bug, 
i'll check it out.
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