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x86: io-apic - declare irq_cfg_lock for SPARSE_IRQ only

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We use irq_cfg_lock lock in SPARSE_IRQ only context so
move it under #ifdef and compiler will be happy.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2008-09-04 22:37:50 +04:00 committed by Ingo Molnar
parent 676f4a920b
commit ac54a6c937
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kernel/io_apic.c
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@ -147,14 +147,15 @@ static void init_one_irq_cfg(struct irq_cfg *cfg)
static struct irq_cfg *irq_cfgx;
#ifdef CONFIG_HAVE_SPARSE_IRQ
/*
* Protect the irq_cfgx_free freelist:
*/
static DEFINE_SPINLOCK(irq_cfg_lock);
#ifdef CONFIG_HAVE_SPARSE_IRQ
static struct irq_cfg *irq_cfgx_free;
#endif
static void __init init_work(void *data)
{
struct dyn_array *da = data;