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fix warning: "x86: sparse_irq needs spin_lock in allocations" 

caused by

commit a532e19680ada3b8579b81e67e76d3ebd19c340f
Author: Yinghai Lu <yhlu.kernel@gmail.com>
Date:   Wed Aug 20 20:46:25 2008 -0700

    x86: sparse_irq needs spin_lock in allocations

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Andrew Morton 2008-09-18 16:10:48 -07:00 committed by Ingo Molnar
parent 9d98598d2f
commit 2976fe2012
1 changed files with 1 additions and 2 deletions
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3
kernel/irq/handle.c
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@ -111,12 +111,11 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
}
}
#ifdef CONFIG_HAVE_SPARSE_IRQ
/*
* Protect the sparse_irqs_free freelist:
*/
static DEFINE_SPINLOCK(sparse_irq_lock);
#ifdef CONFIG_HAVE_SPARSE_IRQ
static struct irq_desc *sparse_irqs_free;
struct irq_desc *sparse_irqs;
#endif