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sparseirq: set lock_class for legacy irq when sparse_irq is selected

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Impact: add lockdep annotation to legacy IRQ descs

Warnings resulting out of this were not seen in practice, but it's prudent
to initialize the legacy descriptors to the lock class as well, symmetric
to how we do it with other descriptors.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-12-22 20:24:09 -08:00 committed by Ingo Molnar
parent 13a0c3c269
commit fa6beb37b0
1 changed files with 1 additions and 0 deletions
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kernel/irq/handle.c
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@ -145,6 +145,7 @@ int __init early_irq_init(void)
for (i = 0; i < legacy_count; i++) {
desc[i].irq = i;
desc[i].kstat_irqs = kstat_irqs_legacy[i];
lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
irq_desc_ptrs[i] = desc + i;
}