3 #if defined(CONFIG_GENERIC_PENDING_IRQ)
5 void set_pending_irq(unsigned int irq
, cpumask_t mask
)
7 irq_desc_t
*desc
= irq_desc
+ irq
;
10 spin_lock_irqsave(&desc
->lock
, flags
);
12 pending_irq_cpumask
[irq
] = mask
;
13 spin_unlock_irqrestore(&desc
->lock
, flags
);
16 void move_native_irq(int irq
)
19 irq_desc_t
*desc
= irq_descp(irq
);
21 if (likely (!desc
->move_irq
))
26 if (likely(cpus_empty(pending_irq_cpumask
[irq
])))
29 if (!desc
->handler
->set_affinity
)
32 /* note - we hold the desc->lock */
33 cpus_and(tmp
, pending_irq_cpumask
[irq
], cpu_online_map
);
36 * If there was a valid mask to work with, please
37 * do the disable, re-program, enable sequence.
38 * This is *not* particularly important for level triggered
39 * but in a edge trigger case, we might be setting rte
40 * when an active trigger is comming in. This could
41 * cause some ioapics to mal-function.
42 * Being paranoid i guess!
44 if (unlikely(!cpus_empty(tmp
))) {
45 desc
->handler
->disable(irq
);
46 desc
->handler
->set_affinity(irq
,tmp
);
47 desc
->handler
->enable(irq
);
49 cpus_clear(pending_irq_cpumask
[irq
]);
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