Messages in this thread Patch in this message | | | From | Jules Irenge <> | Subject | [PATCH] rcu: Add missing __releases() annotation | Date | Thu, 29 Apr 2021 00:12:19 +0100 |
| |
Sparse report a warning at rcu_print_task_stall()
"warning: context imbalance in rcu_print_task_stall - unexpected unlock"
The root cause is a missing annotation at rcu_print_task_stall() function
Add the missing __releases(rnp->lock) annotation
Signed-off-by: Jules Irenge <jbi.octave@gmail.com> --- kernel/rcu/tree_stall.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h index 59b95cc5cbdf..18b2d5274d65 100644 --- a/kernel/rcu/tree_stall.h +++ b/kernel/rcu/tree_stall.h @@ -314,6 +314,7 @@ static void rcu_print_detail_task_stall_rnp(struct rcu_node *rnp) * tasks blocked within RCU read-side critical sections. */ static int rcu_print_task_stall(struct rcu_node *rnp, unsigned long flags) + __releases(rnp->lock) { raw_spin_unlock_irqrestore_rcu_node(rnp, flags); return 0; -- 2.31.1
| |