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powerpc/mpic: Fix allocation of reverse-map for multi-ISU mpics
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 22 Feb 2012 13:50:13 +0000 (13:50 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 27 Feb 2012 00:33:58 +0000 (11:33 +1100)
When using a multi-ISU MPIC, we can interrupts up to
isu_size * MPIC_MAX_ISU, not just isu_size, so allocate
the right size reverse map.

Without this, the code will constantly fallback to
a linear search.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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