From 9ce91685f9db48b7050bed916bea097fcbaea093 Mon Sep 17 00:00:00 2001
From: Yang Li <leoli@freescale.com>
Date: Mon, 28 Jun 2010 23:32:57 +0000
Subject: [PATCH] powerpc: Disable SPARSE_IRQ by default

The SPARSE_IRQ considerably adds overhead to critical path of IRQ
handling.  However it doesn't benefit much in space for most systems with
limited IRQ_NR.  Should be disabled unless really necessary.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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