From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Sep 2021 12:56:01 +0200
Subject: [PATCH] sched: Make preempt_enable_no_resched() behave like
 preempt_enable() on PREEMPT_RT

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 include/linux/preempt.h |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -189,7 +189,11 @@ do { \
 	preempt_count_dec(); \
 } while (0)
 
-#define preempt_enable_no_resched() sched_preempt_enable_no_resched()
+#ifndef CONFIG_PREEMPT_RT
+# define preempt_enable_no_resched() sched_preempt_enable_no_resched()
+#else
+# define preempt_enable_no_resched() preempt_enable()
+#endif
 
 #define preemptible()	(preempt_count() == 0 && !irqs_disabled())