diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-12-24 15:16:41 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-12-24 15:16:41 +0900 |
| commit | 17eb9d62828c3688f41f31ac00d7fee6da9675bf (patch) | |
| tree | 03da91192242b6467d4f2d9d0b26f11f4da55c0c /arch/powerpc/sysdev/mpic.c | |
| parent | 76e7461a21dfe13565b2a323b53c8cc963541126 (diff) | |
| parent | f34548cb735b7a80bbbb0bdd09ad4c2173ba92d5 (diff) | |
Merge branches 'sh/g3-prep' and 'sh/stable-updates'
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index aa9d06e5925b..470dc6c11d57 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -567,13 +567,11 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic) #endif /* CONFIG_MPIC_U3_HT_IRQS */ #ifdef CONFIG_SMP -static int irq_choose_cpu(unsigned int virt_irq) +static int irq_choose_cpu(const cpumask_t *mask) { - cpumask_t mask; int cpuid; - cpumask_copy(&mask, irq_to_desc(virt_irq)->affinity); - if (cpus_equal(mask, CPU_MASK_ALL)) { + if (cpumask_equal(mask, cpu_all_mask)) { static int irq_rover; static DEFINE_SPINLOCK(irq_rover_lock); unsigned long flags; @@ -594,20 +592,15 @@ static int irq_choose_cpu(unsigned int virt_irq) spin_unlock_irqrestore(&irq_rover_lock, flags); } else { - cpumask_t tmp; - - cpus_and(tmp, cpu_online_map, mask); - - if (cpus_empty(tmp)) + cpuid = cpumask_first_and(mask, cpu_online_mask); + if (cpuid >= nr_cpu_ids) goto do_round_robin; - - cpuid = first_cpu(tmp); } return get_hard_smp_processor_id(cpuid); } #else -static int irq_choose_cpu(unsigned int virt_irq) +static int irq_choose_cpu(const cpumask_t *mask) { return hard_smp_processor_id(); } @@ -816,7 +809,7 @@ int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask) unsigned int src = mpic_irq_to_hw(irq); if (mpic->flags & MPIC_SINGLE_DEST_CPU) { - int cpuid = irq_choose_cpu(irq); + int cpuid = irq_choose_cpu(cpumask); mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION), 1 << cpuid); } else { |