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-rw-r--r--kernel/irq/manage.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 80692373abd6..196a06fbc122 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -243,6 +243,9 @@ int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m)
return -EINVAL;
desc->affinity_hint = m;
irq_put_desc_unlock(desc, flags);
+ /* set the initial affinity to prevent every interrupt being on CPU0 */
+ if (m)
+ __irq_set_affinity(irq, m, false);
return 0;
}
EXPORT_SYMBOL_GPL(irq_set_affinity_hint);