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Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/manage.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 634a2a955104..948a22a2c013 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -123,7 +123,7 @@ int do_irq_select_affinity(unsigned int irq, struct irq_desc *desc)
123 * Preserve an userspace affinity setup, but make sure that 123 * Preserve an userspace affinity setup, but make sure that
124 * one of the targets is online. 124 * one of the targets is online.
125 */ 125 */
126 if (desc->status & IRQ_AFFINITY_SET) { 126 if (desc->status & (IRQ_AFFINITY_SET | IRQ_NO_BALANCING)) {
127 if (cpus_intersects(desc->affinity, cpu_online_map)) 127 if (cpus_intersects(desc->affinity, cpu_online_map))
128 mask = desc->affinity; 128 mask = desc->affinity;
129 else 129 else
@@ -483,6 +483,10 @@ __setup_irq(unsigned int irq, struct irq_desc * desc, struct irqaction *new)
483 /* Undo nested disables: */ 483 /* Undo nested disables: */
484 desc->depth = 1; 484 desc->depth = 1;
485 485
486 /* Exclude IRQ from balancing if requested */
487 if (new->flags & IRQF_NOBALANCING)
488 desc->status |= IRQ_NO_BALANCING;
489
486 /* Set default affinity mask once everything is setup */ 490 /* Set default affinity mask once everything is setup */
487 do_irq_select_affinity(irq, desc); 491 do_irq_select_affinity(irq, desc);
488 492
@@ -497,10 +501,6 @@ __setup_irq(unsigned int irq, struct irq_desc * desc, struct irqaction *new)
497 501
498 *p = new; 502 *p = new;
499 503
500 /* Exclude IRQ from balancing */
501 if (new->flags & IRQF_NOBALANCING)
502 desc->status |= IRQ_NO_BALANCING;
503
504 /* Reset broken irq detection when installing new handler */ 504 /* Reset broken irq detection when installing new handler */
505 desc->irq_count = 0; 505 desc->irq_count = 0;
506 desc->irqs_unhandled = 0; 506 desc->irqs_unhandled = 0;