Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
mn10300: Cleanup irq_desc access
The migration needs only access to irq_data.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
+5
-6
arch/mn10300/kernel/irq.c
+5
-6
arch/mn10300/kernel/irq.c
···
403
#ifdef CONFIG_HOTPLUG_CPU
404
void migrate_irqs(void)
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{
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-
irq_desc_t *desc;
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int irq;
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unsigned int self, new;
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unsigned long flags;
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self = smp_processor_id();
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for (irq = 0; irq < NR_IRQS; irq++) {
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-
desc = irq_desc + irq;
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415
-
if (desc->status == IRQ_PER_CPU)
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continue;
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418
-
if (cpu_isset(self, irq_desc[irq].affinity) &&
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!cpus_intersects(irq_affinity[irq], cpu_online_map)) {
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int cpu_id;
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cpu_id = first_cpu(cpu_online_map);
422
-
cpu_set(cpu_id, irq_desc[irq].affinity);
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}
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/* We need to operate irq_affinity_online atomically. */
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arch_local_cli_save(flags);
···
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GxICR(irq) = x & GxICR_LEVEL;
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tmp = GxICR(irq);
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432
-
new = any_online_cpu(irq_desc[irq].affinity);
433
irq_affinity_online[irq] = new;
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CROSS_GxICR(irq, new) =
···
403
#ifdef CONFIG_HOTPLUG_CPU
404
void migrate_irqs(void)
405
{
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int irq;
407
unsigned int self, new;
408
unsigned long flags;
409
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self = smp_processor_id();
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for (irq = 0; irq < NR_IRQS; irq++) {
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+
struct irq_data *data = irq_get_irq_data(irq);
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+
if (irqd_is_per_cpu(data))
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continue;
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+
if (cpu_isset(self, data->affinity) &&
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!cpus_intersects(irq_affinity[irq], cpu_online_map)) {
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int cpu_id;
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cpu_id = first_cpu(cpu_online_map);
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+
cpu_set(cpu_id, data->affinity);
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}
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/* We need to operate irq_affinity_online atomically. */
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arch_local_cli_save(flags);
···
430
GxICR(irq) = x & GxICR_LEVEL;
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tmp = GxICR(irq);
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433
+
new = any_online_cpu(data->affinity);
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irq_affinity_online[irq] = new;
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CROSS_GxICR(irq, new) =