powerpc: Make virq_debug_show() cope with sparse irq_descs

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Ellerman 2009-10-13 19:44:56 +00:00 • committed by Benjamin Herrenschmidt
commit 76f1d94f3e