* [tip: locking/core] futex: Fix PREEMPT_RT build
@ 2021-10-19 15:35 tip-bot2 for Peter Zijlstra
0 siblings, 0 replies; only message in thread
From: tip-bot2 for Peter Zijlstra @ 2021-10-19 15:35 UTC (permalink / raw)
To: linux-tip-commits
Cc: Mike Galbraith, Peter Zijlstra (Intel), x86, linux-kernel
The following commit has been merged into the locking/core branch of tip:
Commit-ID: 4d38167330910ddb15b1add5b5cef835677a29fd
Gitweb: https://git.kernel.org/tip/4d38167330910ddb15b1add5b5cef835677a29fd
Author: Peter Zijlstra <peterz@infradead.org>
AuthorDate: Fri, 15 Oct 2021 12:05:59 +02:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Tue, 19 Oct 2021 17:27:05 +02:00
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>
---
kernel/futex/futex.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/futex/futex.h b/kernel/futex/futex.h
index 948fcf3..040ae42 100644
--- 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>
/*
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2021-10-19 15:35 [tip: locking/core] futex: Fix PREEMPT_RT build tip-bot2 for Peter Zijlstra
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