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| author | H. Peter Anvin <hpa@linux.intel.com> | 2009-01-30 23:50:57 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-01-30 23:50:57 +0100 |
| commit | 9b7ed8faa034fc2d350e2eff5c68680eb5c43a07 (patch) | |
| tree | 5c94c34ad30e312604c1ce4f08ab6631b64a94f5 /arch/arm/kernel/irq.c | |
| parent | x86: add pte_set_flags/clear_flags for pte flag manipulation (diff) | |
| parent | Merge branch 'linus' into core/percpu (diff) | |
| download | linux-9b7ed8faa034fc2d350e2eff5c68680eb5c43a07.tar.xz linux-9b7ed8faa034fc2d350e2eff5c68680eb5c43a07.zip | |
Merge branch 'core/percpu' into x86/paravirt
Diffstat (limited to 'arch/arm/kernel/irq.c')
| -rw-r--r-- | arch/arm/kernel/irq.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 7141cee1fab7..4bb723eadad1 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); |