x64, x2apic/intr-remap: generic irq migration support from process context

[linux-2.6-omap-h63xx.git] / kernel / irq / manage.c

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 46d6611a33bbe4a7997637168feb543acd0f0b8e..628b5572a7c2debb55a44390339a66bad4604eee 100644 (file)
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -87,7 +87,14 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
        set_balance_irq_affinity(irq, cpumask);
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
-       set_pending_irq(irq, cpumask);
+       if (desc->status & IRQ_MOVE_PCNTXT) {
+               unsigned long flags;
+
+               spin_lock_irqsave(&desc->lock, flags);
+               desc->chip->set_affinity(irq, cpumask);
+               spin_unlock_irqrestore(&desc->lock, flags);
+       } else
+               set_pending_irq(irq, cpumask);
 #else
        desc->affinity = cpumask;
        desc->chip->set_affinity(irq, cpumask);