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Date: Wed, 26 Jun 2013 17:23:32 -0500
From: "Steven J. Hill" <Steven.Hill@imgtec.com>
MIME-Version: 1.0
Subject: Re: [PATCH] MIPS: Fix gic_set_affinity infinite loop
References: <20130621111308.GC23231@hades.local> <51C486DF.4020303@imgtec.com> <20130626190547.GK7171@linux-mips.org>
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To: Ralf Baechle <ralf@linux-mips.org>
Cc: Tony Wu <tung7970@gmail.com>, linux-mips@linux-mips.org, Chris Dearman <chris.dearman@imgtec.com>
Message-ID: <20130626222332.j552liBYoVOBuKr5qmrErsa7OtcahRORRk-wnnUHfe0@z>

On 06/26/2013 02:05 PM, Ralf Baechle wrote:
>
> I assume on a SMP GIC configuration he must have tried something like
>
>    echo 1 > /proc/irq/2/smp_affinity
>
> Where 1 is a CPU bit mask and 2 the number of a GIC interrupt of which
> to change the affinity.
>
I confirmed the hang on the Malta board. Tony's patch fixes this. Thank 
you Tony.

Steve