futex: Fix PREEMPT_RT build

Mike reported that rcuwait went walk-about and is causing failures on the PREEMPT_RT builds, restore it. Reported-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2021-10-15 12:05:59 +02:00 · 2021-10-15 12:05:59 +02:00 · 4d38167330
parent dd0aa2cd2e
commit 4d38167330
1 changed files with 4 additions and 0 deletions
--- a/kernel/futex/futex.h
+++ b/kernel/futex/futex.h
@ -5,6 +5,10 @@
 #include <linux/futex.h>
 #include <linux/sched/wake_q.h>

+#ifdef CONFIG_PREEMPT_RT
+#include <linux/rcuwait.h>
+#endif
+
 #include <asm/futex.h>

 /*