From e0204409df29fe1b7d18f81dfc3ae6f9d90e7a63 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 16 Jul 2007 03:49:40 -0700 Subject: [SPARC64]: dr-cpu unconfigure support. Signed-off-by: David S. Miller --- arch/sparc64/kernel/irq.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'arch/sparc64/kernel/irq.c') diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index a1c916f..8cb3358 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -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; -- cgit v1.1