From ab15160ca51c5347c100025816ca6495e22f9d0a Mon Sep 17 00:00:00 2001
From: =?utf8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 7 Apr 2022 13:43:15 +0200
Subject: [PATCH] futex: add missing rtmutex.h include
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This isn't included here any more since the removal of ww_mutex.h from
seqlock.h which causes a build break.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Shashank Sharma <shashank.sharma@amd.com>
Fixes: 976b6c16ffce ("seqlock: drop seqcount_ww_mutex_t")
Link: https://patchwork.freedesktop.org/patch/msgid/20220407114619.961750-1-christian.koenig@amd.com
---
 kernel/futex/futex.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/futex/futex.h b/kernel/futex/futex.h
index c264cbeab71c6..b5379c0e6d6d1 100644
--- a/kernel/futex/futex.h
+++ b/kernel/futex/futex.h
@@ -3,6 +3,7 @@
 #define _FUTEX_H
 
 #include <linux/futex.h>
+#include <linux/rtmutex.h>
 #include <linux/sched/wake_q.h>
 
 #ifdef CONFIG_PREEMPT_RT
-- 
2.39.5