linux-kernel - [PATCH 5.13 143/151] locking/rtmutex: Use the correct rtmutex debugging config option

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Message-Id: <20210816125448.785163932@linuxfoundation.org>
Date:   Mon, 16 Aug 2021 15:02:53 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zhen Lei <thunder.leizhen@...wei.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>
Subject: [PATCH 5.13 143/151] locking/rtmutex: Use the correct rtmutex debugging config option

From: Zhen Lei <thunder.leizhen@...wei.com>

commit 07d25971b220e477eb019fcb520a9f2e3ac966af upstream.

It's CONFIG_DEBUG_RT_MUTEXES not CONFIG_DEBUG_RT_MUTEX.

Fixes: f7efc4799f81 ("locking/rtmutex: Inline chainwalk depth check")
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Will Deacon <will@...nel.org>
Acked-by: Boqun Feng <boqun.feng@...il.com>
Cc: stable@...r.kernel.org
Link: https://lore.kernel.org/r/20210731123011.4555-1-thunder.leizhen@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 kernel/locking/rtmutex.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -343,7 +343,7 @@ static __always_inline bool
 rt_mutex_cond_detect_deadlock(struct rt_mutex_waiter *waiter,
 			      enum rtmutex_chainwalk chwalk)
 {
-	if (IS_ENABLED(CONFIG_DEBUG_RT_MUTEX))
+	if (IS_ENABLED(CONFIG_DEBUG_RT_MUTEXES))
 		return waiter != NULL;
 	return chwalk == RT_MUTEX_FULL_CHAINWALK;
 }