[patch 5/5] genirq/timings: Move free timings out of spinlocked region

Thomas Gleixner tglx at linutronix.de
Thu Jun 29 14:33:39 PDT 2017


No point to do memory management from a interrupt disabled spin locked
region.

Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Cc: Daniel Lezcano <daniel.lezcano at linaro.org>
---
 kernel/irq/manage.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1489,7 +1489,6 @@ static struct irqaction *__free_irq(unsi
 	if (!desc->action) {
 		irq_settings_clr_disable_unlazy(desc);
 		irq_shutdown(desc);
-		irq_remove_timings(desc);
 	}
 
 #ifdef CONFIG_SMP
@@ -1531,8 +1530,10 @@ static struct irqaction *__free_irq(unsi
 		}
 	}
 
-	if (!desc->action)
+	if (!desc->action) {
 		irq_release_resources(desc);
+		irq_remove_timings(desc);
+	}
 
 	mutex_unlock(&desc->request_mutex);
 





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