From: Zhen Lei thunder.leizhen@huawei.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@huawei.com Signed-off-by: Thomas Gleixner tglx@linutronix.de Acked-by: Will Deacon will@kernel.org Acked-by: Boqun Feng boqun.feng@gmail.com Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20210731123011.4555-1-thunder.leizhen@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.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; }