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sparseirq: Change irq_desc_ptrs to static

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Add replace_irq_desc() instead of poking at the array directly.

-v2: remove unneeded boundary check in replace_irq_desc

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-31-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Yinghai Lu
2010-02-10 01:20:34 -08:00
committed by H. Peter Anvin
parent 773e3eb7b8
commit 99558f0bbe
3 changed files with 9 additions and 8 deletions
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4
kernel/irq/numa_migrate.c
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@@ -70,7 +70,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
raw_spin_lock_irqsave(&sparse_irq_lock, flags);
/* We have to check it to avoid races with another CPU */
desc = irq_desc_ptrs[irq];
desc = irq_to_desc(irq);
if (desc && old_desc != desc)
goto out_unlock;
@@ -90,7 +90,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
goto out_unlock;
}
irq_desc_ptrs[irq] = desc;
replace_irq_desc(irq, desc);
raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
/* free the old one */