Merge branches 'irq-urgent-for-linus' and 'smp-hotplug-for-linus' of git://git.kernel...

[linux.git] / kernel / irq / manage.c

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ea0c6c2ae6f747d0bd8dff198e5e1f6b6934f050..8c548232ba39daf0f7320d64f19d85775000201a 100644 (file)
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -142,6 +142,25 @@ static inline void
 irq_get_pending(struct cpumask *mask, struct irq_desc *desc) { }
 #endif
 
+int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask,
+                       bool force)
+{
+       struct irq_desc *desc = irq_data_to_desc(data);
+       struct irq_chip *chip = irq_data_get_irq_chip(data);
+       int ret;
+
+       ret = chip->irq_set_affinity(data, mask, false);
+       switch (ret) {
+       case IRQ_SET_MASK_OK:
+               cpumask_copy(data->affinity, mask);
+       case IRQ_SET_MASK_OK_NOCOPY:
+               irq_set_thread_affinity(desc);
+               ret = 0;
+       }
+
+       return ret;
+}
+
 int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask)
 {
        struct irq_chip *chip = irq_data_get_irq_chip(data);
@@ -152,14 +171,7 @@ int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask)
                return -EINVAL;
 
        if (irq_can_move_pcntxt(data)) {
-               ret = chip->irq_set_affinity(data, mask, false);
-               switch (ret) {
-               case IRQ_SET_MASK_OK:
-                       cpumask_copy(data->affinity, mask);
-               case IRQ_SET_MASK_OK_NOCOPY:
-                       irq_set_thread_affinity(desc);
-                       ret = 0;
-               }
+               ret = irq_do_set_affinity(data, mask, false);
        } else {
                irqd_set_move_pending(data);
                irq_copy_pending(desc, mask);
@@ -283,9 +295,8 @@ EXPORT_SYMBOL_GPL(irq_set_affinity_notifier);
 static int
 setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask)
 {
-       struct irq_chip *chip = irq_desc_get_chip(desc);
        struct cpumask *set = irq_default_affinity;
-       int ret, node = desc->irq_data.node;
+       int node = desc->irq_data.node;
 
        /* Excludes PER_CPU and NO_BALANCE interrupts */
        if (!irq_can_set_affinity(irq))
@@ -311,13 +322,7 @@ setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask)
                if (cpumask_intersects(mask, nodemask))
                        cpumask_and(mask, mask, nodemask);
        }
-       ret = chip->irq_set_affinity(&desc->irq_data, mask, false);
-       switch (ret) {
-       case IRQ_SET_MASK_OK:
-               cpumask_copy(desc->irq_data.affinity, mask);
-       case IRQ_SET_MASK_OK_NOCOPY:
-               irq_set_thread_affinity(desc);
-       }
+       irq_do_set_affinity(&desc->irq_data, mask, false);
        return 0;
 }
 #else