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Diffstat (limited to 'kernel/irq/migration.c')
-rw-r--r--kernel/irq/migration.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index 61ca924ef4b4..f2b2929986ff 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -26,7 +26,7 @@ bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear)
* The outgoing CPU might be the last online target in a pending
* interrupt move. If that's the case clear the pending move bit.
*/
- if (cpumask_any_and(desc->pending_mask, cpu_online_mask) >= nr_cpu_ids) {
+ if (!cpumask_intersects(desc->pending_mask, cpu_online_mask)) {
irqd_clr_move_pending(data);
return false;
}
@@ -35,6 +35,16 @@ bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear)
return true;
}
+void irq_force_complete_move(struct irq_desc *desc)
+{
+ for (struct irq_data *d = irq_desc_get_irq_data(desc); d; d = irqd_get_parent_data(d)) {
+ if (d->chip && d->chip->irq_force_complete_move) {
+ d->chip->irq_force_complete_move(d);
+ return;
+ }
+ }
+}
+
void irq_move_masked_irq(struct irq_data *idata)
{
struct irq_desc *desc = irq_data_to_desc(idata);
@@ -74,7 +84,7 @@ void irq_move_masked_irq(struct irq_data *idata)
* For correct operation this depends on the caller
* masking the irqs.
*/
- if (cpumask_any_and(desc->pending_mask, cpu_online_mask) < nr_cpu_ids) {
+ if (cpumask_intersects(desc->pending_mask, cpu_online_mask)) {
int ret;
ret = irq_do_set_affinity(data, desc->pending_mask, false);
@@ -117,3 +127,13 @@ void __irq_move_irq(struct irq_data *idata)
if (!masked)
idata->chip->irq_unmask(idata);
}
+
+bool irq_can_move_in_process_context(struct irq_data *data)
+{
+ /*
+ * Get the top level irq_data in the hierarchy, which is optimized
+ * away when CONFIG_IRQ_DOMAIN_HIERARCHY is disabled.
+ */
+ data = irq_desc_get_irq_data(irq_data_to_desc(data));
+ return irq_can_move_pcntxt(data);
+}