linux-kernel - Re: [patch] Add allowed_affinity to the irq_desc to make it possible to have restricted irqs

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Message-ID: <45810383.2060708@linux.intel.com>
Date:	Thu, 14 Dec 2006 08:55:47 +0100
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [patch] Add allowed_affinity to the irq_desc to make it possible
 to have restricted irqs

Eric W. Biederman wrote:
> What is the problem you are trying to solve?

2 problems
1) irq's that irqbalance should not touch at all
2) irqs that can only go to a subset of processors.

1) is very real today
2) is partially real on some of the bigger numa stuff already.
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