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>
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1 changed files with 1 additions and 3 deletions
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@ -1372,12 +1372,10 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
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static int ioapic_retrigger_irq(unsigned int irq)
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static int ioapic_retrigger_irq(unsigned int irq)
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{
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{
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struct irq_cfg *cfg = &irq_cfg[irq];
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struct irq_cfg *cfg = &irq_cfg[irq];
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cpumask_t mask;
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unsigned long flags;
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unsigned long flags;
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spin_lock_irqsave(&vector_lock, flags);
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spin_lock_irqsave(&vector_lock, flags);
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mask = cpumask_of_cpu(first_cpu(cfg->domain));
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send_IPI_mask(cpumask_of_cpu(first_cpu(cfg->domain)), cfg->vector);
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send_IPI_mask(mask, cfg->vector);
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spin_unlock_irqrestore(&vector_lock, flags);
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spin_unlock_irqrestore(&vector_lock, flags);
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return 1;
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return 1;
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