linux-kernel - Re: [PATCH] genirq: Set initial default irq affinity to just CPU0

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Message-Id: <1225139236.8004.21.camel@pasglop>
Date:	Tue, 28 Oct 2008 07:27:16 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Kumar Gala <galak@...nel.crashing.org>
Cc:	David Miller <davem@...emloft.net>, akpm@...l.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	torvalds@...l.org, maxk@...lcomm.com, tglx@...utronix.de
Subject: Re: [PATCH] genirq: Set initial default irq affinity to just CPU0

On Mon, 2008-10-27 at 08:43 -0500, Kumar Gala wrote:
> 
> While we have the comment the code appears not to really follow it.   
> We appear to write 1 << hard_smp_processor_id().

That code is called by each CPU that gets onlined and OR's it's
bit in the mask.

Ben.


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