[PATCH] sched: remove redundant check in __schedule_bug

liming.wu@jaguarmicro.com posted 1 patch 2 years, 6 months ago
kernel/sched/core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
[PATCH] sched: remove redundant check in __schedule_bug
Posted by liming.wu@jaguarmicro.com 2 years, 6 months ago
From: Liming Wu <liming.wu@jaguarmicro.com>

in_atomic_preempt_off is checked twice in schedule_debug, and
__schedule_bug only called in schedule_debug. remove the redundant
in_atomic_preempt_off check in __schedule_bug.

Signed-off-by: Liming Wu <liming.wu@jaguarmicro.com>
---
 kernel/sched/core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a68d1276bab0..ae44958b3851
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5884,8 +5884,7 @@ static noinline void __schedule_bug(struct task_struct *prev)
 	print_modules();
 	if (irqs_disabled())
 		print_irqtrace_events(prev);
-	if (IS_ENABLED(CONFIG_DEBUG_PREEMPT)
-	    && in_atomic_preempt_off()) {
+	if (IS_ENABLED(CONFIG_DEBUG_PREEMPT)) {
 		pr_err("Preemption disabled at:");
 		print_ip_sym(KERN_ERR, preempt_disable_ip);
 	}
-- 
2.25.1