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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
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.15/older/patches-5.15.3-rt21.tar.xz
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())
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