powerpc: Disable SPARSE_IRQ by default

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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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Yang Li 2010-06-28 23:32:57 +00:00 • committed by Benjamin Herrenschmidt

parent 5afd878a95

commit 9ce91685f9

1 changed files with 2 additions and 2 deletions

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arch/powerpc/Kconfig

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