diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/irq_64.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 5280e325d4d6..01ee800efde3 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -349,17 +349,13 @@ static unsigned int sun4u_compute_tid(unsigned long imap, unsigned long cpuid) #ifdef CONFIG_SMP static int irq_choose_cpu(unsigned int irq, const struct cpumask *affinity) { - cpumask_t mask; int cpuid; - cpumask_copy(&mask, affinity); - if (cpumask_equal(&mask, cpu_online_mask)) { + if (cpumask_equal(affinity, cpu_online_mask)) { cpuid = map_to_cpu(irq); } else { - cpumask_t tmp; - - cpumask_and(&tmp, cpu_online_mask, &mask); - cpuid = cpumask_empty(&tmp) ? map_to_cpu(irq) : cpumask_first(&tmp); + cpuid = cpumask_first_and(affinity, cpu_online_mask); + cpuid = cpuid < nr_cpu_ids ? cpuid : map_to_cpu(irq); } return cpuid; |