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[SPARC64]: dr-cpu unconfigure support.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2007-07-16 03:49:40 -07:00
parent f3c681c028
commit e0204409df
7 changed files with 171 additions and 21 deletions
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20
arch/sparc64/kernel/irq.c
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@@ -803,6 +803,26 @@ void handler_irq(int irq, struct pt_regs *regs)
set_irq_regs(old_regs);
}
#ifdef CONFIG_HOTPLUG_CPU
void fixup_irqs(void)
{
unsigned int irq;
for (irq = 0; irq < NR_IRQS; irq++) {
unsigned long flags;
spin_lock_irqsave(&irq_desc[irq].lock, flags);
if (irq_desc[irq].action &&
!(irq_desc[irq].status & IRQ_PER_CPU)) {
if (irq_desc[irq].chip->set_affinity)
irq_desc[irq].chip->set_affinity(irq,
irq_desc[irq].affinity);
}
spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
}
}
#endif
struct sun5_timer {
u64 count0;
u64 limit0;