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yaml --- r: 23563 b: refs/heads/master c: c777ac5 h: refs/heads/master i: 23561: b0a4de9 23559: f9f701b v: v3
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Andrew Morton
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Linus Torvalds
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Mar 25, 2006
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--- | ||
refs/heads/master: 4cae59d2e85c1ee2ab1ee284db1945c5394cd965 | ||
refs/heads/master: c777ac5594f772ac760e02c3ac71d067616b579d |
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obj-y := handle.o manage.o spurious.o | ||
obj-y := handle.o manage.o spurious.o migration.o | ||
obj-$(CONFIG_GENERIC_IRQ_PROBE) += autoprobe.o | ||
obj-$(CONFIG_PROC_FS) += proc.o | ||
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#include <linux/irq.h> | ||
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#if defined(CONFIG_GENERIC_PENDING_IRQ) | ||
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void set_pending_irq(unsigned int irq, cpumask_t mask) | ||
{ | ||
irq_desc_t *desc = irq_desc + irq; | ||
unsigned long flags; | ||
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spin_lock_irqsave(&desc->lock, flags); | ||
desc->move_irq = 1; | ||
pending_irq_cpumask[irq] = mask; | ||
spin_unlock_irqrestore(&desc->lock, flags); | ||
} | ||
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void move_native_irq(int irq) | ||
{ | ||
cpumask_t tmp; | ||
irq_desc_t *desc = irq_descp(irq); | ||
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if (likely (!desc->move_irq)) | ||
return; | ||
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desc->move_irq = 0; | ||
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if (likely(cpus_empty(pending_irq_cpumask[irq]))) | ||
return; | ||
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if (!desc->handler->set_affinity) | ||
return; | ||
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/* note - we hold the desc->lock */ | ||
cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map); | ||
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/* | ||
* If there was a valid mask to work with, please | ||
* do the disable, re-program, enable sequence. | ||
* This is *not* particularly important for level triggered | ||
* but in a edge trigger case, we might be setting rte | ||
* when an active trigger is comming in. This could | ||
* cause some ioapics to mal-function. | ||
* Being paranoid i guess! | ||
*/ | ||
if (unlikely(!cpus_empty(tmp))) { | ||
desc->handler->disable(irq); | ||
desc->handler->set_affinity(irq,tmp); | ||
desc->handler->enable(irq); | ||
} | ||
cpus_clear(pending_irq_cpumask[irq]); | ||
} | ||
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#endif |