[Patch v3 28/36] xtensa, irq: Use access helper irq_data_get_affinity_mask()

From: Jiang Liu
Date: Mon Jun 01 2015 - 04:08:36 EST


Use access helper irq_data_get_affinity_mask() to hide implementation
details of struct irq_desc.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
arch/xtensa/kernel/irq.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 3eee94f621eb..d7b5a4c8ae5d 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -166,23 +166,25 @@ void migrate_irqs(void)

for_each_active_irq(i) {
struct irq_data *data = irq_get_irq_data(i);
+ struct cpumask *mask;
unsigned int newcpu;

if (irqd_is_per_cpu(data))
continue;

- if (!cpumask_test_cpu(cpu, data->affinity))
+ mask = irq_data_get_affinity_mask(data);
+ if (!cpumask_test_cpu(cpu, mask))
continue;

- newcpu = cpumask_any_and(data->affinity, cpu_online_mask);
+ newcpu = cpumask_any_and(mask, cpu_online_mask);

if (newcpu >= nr_cpu_ids) {
pr_info_ratelimited("IRQ%u no longer affine to CPU%u\n",
i, cpu);

- cpumask_setall(data->affinity);
+ cpumask_setall(mask);
}
- irq_set_affinity(i, data->affinity);
+ irq_set_affinity(i, mask);
}
}
#endif /* CONFIG_HOTPLUG_CPU */
--
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/