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
))
25 * Paranoia: cpu-local interrupts shouldn't be calling in here anyway.
27 if (CHECK_IRQ_PER_CPU(desc
->status
)) {
34 if (likely(cpus_empty(pending_irq_cpumask
[irq
])))
37 if (!desc
->handler
->set_affinity
)
40 assert_spin_locked(&desc
->lock
);
42 cpus_and(tmp
, pending_irq_cpumask
[irq
], cpu_online_map
);
45 * If there was a valid mask to work with, please
46 * do the disable, re-program, enable sequence.
47 * This is *not* particularly important for level triggered
48 * but in a edge trigger case, we might be setting rte
49 * when an active trigger is comming in. This could
50 * cause some ioapics to mal-function.
51 * Being paranoid i guess!
53 if (unlikely(!cpus_empty(tmp
))) {
54 if (likely(!(desc
->status
& IRQ_DISABLED
)))
55 desc
->handler
->disable(irq
);
57 desc
->handler
->set_affinity(irq
,tmp
);
59 if (likely(!(desc
->status
& IRQ_DISABLED
)))
60 desc
->handler
->enable(irq
);
62 cpus_clear(pending_irq_cpumask
[irq
]);