[PATCH] genirq: cleanup: merge pending_irq_cpumask[] into irq_desc[]
Consolidation: remove the pending_irq_cpumask[NR_IRQS] array and move it into the irq_desc[NR_IRQS].pending_mask field. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -581,7 +581,7 @@ static int balanced_irq(void *unused)
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/* push everything to CPU 0 to give us a starting point. */
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for (i = 0 ; i < NR_IRQS ; i++) {
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pending_irq_cpumask[i] = cpumask_of_cpu(0);
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irq_desc[i].pending_mask = cpumask_of_cpu(0);
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set_pending_irq(i, cpumask_of_cpu(0));
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}
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@ -83,6 +83,7 @@ struct irq_desc {
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cpumask_t affinity;
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#endif
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#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
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cpumask_t pending_mask;
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unsigned int move_irq; /* need to re-target IRQ dest */
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#endif
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#ifdef CONFIG_PROC_FS
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@ -120,7 +121,6 @@ static inline void set_native_irq_info(int irq, cpumask_t mask)
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#ifdef CONFIG_SMP
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#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
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extern cpumask_t pending_irq_cpumask[NR_IRQS];
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void set_pending_irq(unsigned int irq, cpumask_t mask);
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void move_native_irq(int irq);
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@ -16,10 +16,6 @@
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#ifdef CONFIG_SMP
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#if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
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cpumask_t __cacheline_aligned pending_irq_cpumask[NR_IRQS];
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#endif
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/**
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* synchronize_irq - wait for pending IRQ handlers (on other CPUs)
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* @irq: interrupt number to wait for
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@ -8,7 +8,7 @@ void set_pending_irq(unsigned int irq, cpumask_t mask)
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spin_lock_irqsave(&desc->lock, flags);
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desc->move_irq = 1;
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pending_irq_cpumask[irq] = mask;
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irq_desc[irq].pending_mask = mask;
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spin_unlock_irqrestore(&desc->lock, flags);
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}
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@ -30,7 +30,7 @@ void move_native_irq(int irq)
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desc->move_irq = 0;
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if (unlikely(cpus_empty(pending_irq_cpumask[irq])))
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if (unlikely(cpus_empty(irq_desc[irq].pending_mask)))
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return;
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if (!desc->chip->set_affinity)
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@ -38,7 +38,7 @@ void move_native_irq(int irq)
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assert_spin_locked(&desc->lock);
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cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
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cpus_and(tmp, irq_desc[irq].pending_mask, cpu_online_map);
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/*
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* If there was a valid mask to work with, please
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@ -58,5 +58,5 @@ void move_native_irq(int irq)
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if (likely(!(desc->status & IRQ_DISABLED)))
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desc->chip->enable(irq);
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}
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cpus_clear(pending_irq_cpumask[irq]);
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cpus_clear(irq_desc[irq].pending_mask);
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}
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