diff options
Diffstat (limited to 'arch/arm64/kernel/irq.c')
| -rw-r--r-- | arch/arm64/kernel/irq.c | 39 |
1 files changed, 4 insertions, 35 deletions
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 0f08dfd69ebc..071a6ec13bd8 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -40,33 +40,6 @@ int arch_show_interrupts(struct seq_file *p, int prec) return 0; } -/* - * handle_IRQ handles all hardware IRQ's. Decoded IRQs should - * not come via this function. Instead, they should provide their - * own 'handler'. Used by platform code implementing C-based 1st - * level decoding. - */ -void handle_IRQ(unsigned int irq, struct pt_regs *regs) -{ - struct pt_regs *old_regs = set_irq_regs(regs); - - irq_enter(); - - /* - * Some hardware gives randomly wrong interrupts. Rather - * than crashing, do something sensible. - */ - if (unlikely(irq >= nr_irqs)) { - pr_warn_ratelimited("Bad IRQ%u\n", irq); - ack_bad_irq(irq); - } else { - generic_handle_irq(irq); - } - - irq_exit(); - set_irq_regs(old_regs); -} - void __init set_handle_irq(void (*handle_irq)(struct pt_regs *)) { if (handle_arch_irq) @@ -97,19 +70,15 @@ static bool migrate_one_irq(struct irq_desc *desc) if (irqd_is_per_cpu(d) || !cpumask_test_cpu(smp_processor_id(), affinity)) return false; - if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) + if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { + affinity = cpu_online_mask; ret = true; + } - /* - * when using forced irq_set_affinity we must ensure that the cpu - * being offlined is not present in the affinity mask, it may be - * selected as the target CPU otherwise - */ - affinity = cpu_online_mask; c = irq_data_get_irq_chip(d); if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); - else if (c->irq_set_affinity(d, affinity, true) == IRQ_SET_MASK_OK && ret) + else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret) cpumask_copy(d->affinity, affinity); return ret; |