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authorMike Travis <travis@sgi.com>2009-01-12 15:27:13 -0800
committerMike Travis <travis@sgi.com>2009-01-12 15:27:13 -0800
commite65e49d0f3714f4a6a42f6f6a19926ba33fcda75 (patch)
tree8b805b51f41c980ceb79f8fad0e56dac428c7c37 /arch/arm/kernel/irq.c
parent28e08861b9afab4168b758fb7b95aa7a4da0f668 (diff)
irq: update all arches for new irq_desc
Impact: cleanup, update to new cpumask API Irq_desc.affinity and irq_desc.pending_mask are now cpumask_var_t's so access to them should be using the new cpumask API. Signed-off-by: Mike Travis <travis@sgi.com>
Diffstat (limited to 'arch/arm/kernel/irq.c')
-rw-r--r--arch/arm/kernel/irq.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 7141cee1fab..4bb723eadad 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -104,6 +104,11 @@ static struct irq_desc bad_irq_desc = {
.lock = SPIN_LOCK_UNLOCKED
};
+#ifdef CONFIG_CPUMASK_OFFSTACK
+/* We are not allocating bad_irq_desc.affinity or .pending_mask */
+#error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK."
+#endif
+
/*
* do_IRQ handles all hardware IRQ's. Decoded IRQs should not
* come via this function. Instead, they should provide their
@@ -161,7 +166,7 @@ void __init init_IRQ(void)
irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE;
#ifdef CONFIG_SMP
- bad_irq_desc.affinity = CPU_MASK_ALL;
+ cpumask_setall(bad_irq_desc.affinity);
bad_irq_desc.cpu = smp_processor_id();
#endif
init_arch_irq();
@@ -191,15 +196,16 @@ void migrate_irqs(void)
struct irq_desc *desc = irq_desc + i;
if (desc->cpu == cpu) {
- unsigned int newcpu = any_online_cpu(desc->affinity);
-
- if (newcpu == NR_CPUS) {
+ unsigned int newcpu = cpumask_any_and(desc->affinity,
+ cpu_online_mask);
+ if (newcpu >= nr_cpu_ids) {
if (printk_ratelimit())
printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
i, cpu);
- cpus_setall(desc->affinity);
- newcpu = any_online_cpu(desc->affinity);
+ cpumask_setall(desc->affinity);
+ newcpu = cpumask_any_and(desc->affinity,
+ cpu_online_mask);
}
route_irq(desc, i, newcpu);