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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Kevin Diggs <kevdig@hypersurf.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] genirq: Set initial default irq affinity to just CPU0
Date: Mon, 27 Oct 2008 13:49:36 +1100	[thread overview]
Message-ID: <1225075776.8004.0.camel@pasglop> (raw)
In-Reply-To: <490527CF.80908@hypersurf.com>

On Sun, 2008-10-26 at 18:30 -0800, Kevin Diggs wrote:
> The reason I asked is that I seem to remember a config option that
> would restrict the irqs to cpu 0? Help suggested it was needed for
> certain PowerMacs. Didn't provide any help as to which ones. My GigE
> currently spreads them between the two. I have not noticed any
> additional holes in the space time contiuum.

Yeah, a long time ago we had unexplained lockups when spreading
interrupts, hence the config option. I think it's all been fixed since
then.

Ben.

  reply	other threads:[~2008-10-27  2:49 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-24 15:57 [PATCH] genirq: Set initial default irq affinity to just CPU0 Kumar Gala
2008-10-24 23:18 ` David Miller
2008-10-25 21:33   ` Benjamin Herrenschmidt
2008-10-25 22:53     ` Kevin Diggs
2008-10-26  4:05       ` David Miller
2008-10-27 17:36         ` Chris Friesen
2008-10-27 18:28           ` David Miller
2008-10-27 19:10             ` Chris Friesen
2008-10-27 19:25               ` David Miller
2008-10-28  3:46                 ` Chris Friesen
2008-10-27 19:43             ` Kumar Gala
2008-10-27 19:49               ` David Miller
2008-10-27 20:46                 ` Kumar Gala
2008-10-26  6:48       ` Benjamin Herrenschmidt
2008-10-26  7:16         ` David Miller
2008-10-26  8:29           ` Benjamin Herrenschmidt
2008-10-27  2:30         ` Kevin Diggs
2008-10-27  2:49           ` Benjamin Herrenschmidt [this message]
2008-10-26  4:04     ` David Miller
2008-10-26  6:33       ` Benjamin Herrenschmidt
2008-10-27 13:43         ` Kumar Gala
2008-10-27 20:27           ` Benjamin Herrenschmidt
2008-10-27 20:45             ` Kumar Gala

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