From: Michael Ellerman <michael@ellerman.id.au>
Date: Tue, 13 Oct 2009 19:45:03 +0000 (+0000)
Subject: powerpc: Enable sparse irq_descs on powerpc
X-Git-Tag: v2.6.33-rc1~293^2~91
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd015707176820b86d07b5dffdecfefdd539a497;p=pandora-kernel.git

powerpc: Enable sparse irq_descs on powerpc

Defining CONFIG_SPARSE_IRQ enables generic code that gets rid of the
static irq_desc array, and replaces it with an array of pointers to
irq_descs.

It also allows node local allocation of irq_descs, however we
currently don't have the information available to do that, so we just
allocate them on all on node 0.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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