aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc64/kernel/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64/kernel/irq.c')
-rw-r--r--arch/sparc64/kernel/irq.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index a1c916f35ba..8cb3358674f 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;