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-rw-r--r--kernel/irq/manage.c4
-rw-r--r--kernel/irq/proc.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index acc5d9fe462b..cd790ad0ae57 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -281,6 +281,10 @@ int setup_irq(unsigned int irq, struct irqaction *new)
if (new->flags & IRQF_PERCPU)
desc->status |= IRQ_PER_CPU;
#endif
+ /* Exclude IRQ from balancing */
+ if (new->flags & IRQF_NOBALANCING)
+ desc->status |= IRQ_NO_BALANCING;
+
if (!shared) {
irq_chip_set_defaults(desc->chip);
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 6d3be06e8ce6..bb44bc995d6e 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -55,7 +55,7 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
cpumask_t new_value, tmp;
if (!irq_desc[irq].chip->set_affinity || no_irq_affinity ||
- CHECK_IRQ_PER_CPU(irq_desc[irq].status))
+ irq_balancing_disabled(irq))
return -EIO;
err = cpumask_parse_user(buffer, count, new_value);