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Message-ID: <20110919133301.GR16381@n2100.arm.linux.org.uk>
Date: Mon, 19 Sep 2011 14:33:01 +0100
From: Russell King - ARM Linux <linux@....linux.org.uk>
To: "Cousson, Benoit" <b-cousson@...com>
Cc: Rob Herring <robherring2@...il.com>,
"marc.zyngier@....com" <marc.zyngier@....com>,
"devicetree-discuss@...ts.ozlabs.org"
<devicetree-discuss@...ts.ozlabs.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Rob Herring <rob.herring@...xeda.com>,
"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>,
Thomas Abraham <thomas.abraham@...aro.org>,
"jamie@...ieiles.com" <jamie@...ieiles.com>,
"shawn.guo@...aro.org" <shawn.guo@...aro.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 5/5] ARM: gic: add OF based initialization
On Mon, Sep 19, 2011 at 11:47:18AM +0200, Cousson, Benoit wrote:
> Since the cpumask is not relevant for the SPI, maybe having two
> interrupt controllers will be more relevant. Or maybe 3, since there is
> some SGIs as well.
I don't think anyone uses SGIs outside of the common SMP code.
Therefore they're handled entirely separately for the root GIC.
(If there's two GICs - some platforms do have two - then the SGIs on
the non-root GIC are unused.)
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