irq: add irq_desc_without_new

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add an irq_desc accessor that will not allocate any sparse entry
but returns failure if there's no entry present.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Yinghai Lu 2008-08-19 20:50:10 -07:00 • committed by Ingo Molnar

parent 7f95ec9e4c

commit 9059d8fa4a

2 changed files with 37 additions and 4 deletions

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kernel/irq/handle.c

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