diff options
Diffstat (limited to 'arch/arm64/kernel/irq.c')
-rw-r--r-- | arch/arm64/kernel/irq.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 0f08dfd69ebc..dfa6e3e74fdd 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c | |||
@@ -97,19 +97,15 @@ static bool migrate_one_irq(struct irq_desc *desc) | |||
97 | if (irqd_is_per_cpu(d) || !cpumask_test_cpu(smp_processor_id(), affinity)) | 97 | if (irqd_is_per_cpu(d) || !cpumask_test_cpu(smp_processor_id(), affinity)) |
98 | return false; | 98 | return false; |
99 | 99 | ||
100 | if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) | 100 | if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { |
101 | affinity = cpu_online_mask; | ||
101 | ret = true; | 102 | ret = true; |
103 | } | ||
102 | 104 | ||
103 | /* | ||
104 | * when using forced irq_set_affinity we must ensure that the cpu | ||
105 | * being offlined is not present in the affinity mask, it may be | ||
106 | * selected as the target CPU otherwise | ||
107 | */ | ||
108 | affinity = cpu_online_mask; | ||
109 | c = irq_data_get_irq_chip(d); | 105 | c = irq_data_get_irq_chip(d); |
110 | if (!c->irq_set_affinity) | 106 | if (!c->irq_set_affinity) |
111 | pr_debug("IRQ%u: unable to set affinity\n", d->irq); | 107 | pr_debug("IRQ%u: unable to set affinity\n", d->irq); |
112 | else if (c->irq_set_affinity(d, affinity, true) == IRQ_SET_MASK_OK && ret) | 108 | else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret) |
113 | cpumask_copy(d->affinity, affinity); | 109 | cpumask_copy(d->affinity, affinity); |
114 | 110 | ||
115 | return ret; | 111 | return ret; |