[patch 3/3] x

From: Thomas Gleixner
Date: Thu Feb 22 2018 - 06:23:55 EST


Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/irq/manage.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -855,10 +855,14 @@ irq_thread_check_affinity(struct irq_des
* This code is triggered unconditionally. Check the affinity
* mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out.
*/
- if (cpumask_available(desc->irq_common_data.affinity))
- cpumask_copy(mask, desc->irq_common_data.affinity);
- else
+ if (cpumask_available(desc->irq_common_data.affinity)) {
+ const struct cpumask *m;
+
+ m = irq_data_get_effective_affinity_mask(&desc->irq_data);
+ cpumask_copy(mask, m);
+ } else {
valid = false;
+ }
raw_spin_unlock_irq(&desc->lock);

if (valid)