From cb6d2be60dc3ec9ac788f45d8e24b82a9faacdd9 Mon Sep 17 00:00:00 2001
From: Mike Travis <travis@sgi.com>
Date: Tue, 15 Jul 2008 14:14:31 -0700
Subject: [PATCH] cpumask: Optimize cpumask_of_cpu in
arch/x86/kernel/io_apic_64.c
* Optimize various places where a pointer to the cpumask_of_cpu value
will result in reducing stack pressure.
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/io_apic_64.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index bf27114773d5..a85db790754b 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -1372,12 +1372,10 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
static int ioapic_retrigger_irq(unsigned int irq)
{
struct irq_cfg *cfg = &irq_cfg[irq];
- cpumask_t mask;
unsigned long flags;
spin_lock_irqsave(&vector_lock, flags);
- mask = cpumask_of_cpu(first_cpu(cfg->domain));
- send_IPI_mask(mask, cfg->vector);
+ send_IPI_mask(cpumask_of_cpu(first_cpu(cfg->domain)), cfg->vector);
spin_unlock_irqrestore(&vector_lock, flags);
return 1;
--
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