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From:   Alex Shi <alex.shi@linux.alibaba.com>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Davidlohr Bueso <dave@stgolabs.net>,
        Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
        linux-kernel@vger.kernel.org
Subject: [PATCH] locking/rtmutex: remove unused cmpxchg_relaxed
Date:   Tue, 21 Jan 2020 16:34:46 +0800
Message-Id: <1579595686-251535-1-git-send-email-alex.shi@linux.alibaba.com>
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Sender: linux-kernel-owner@vger.kernel.org
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No one use this macro after it was introduced. Better to remove it?

Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Peter Zijlstra <peterz@infradead.org> 
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Ingo Molnar <mingo@redhat.com> 
Cc: Will Deacon <will@kernel.org> 
Cc: linux-kernel@vger.kernel.org 
---
 kernel/locking/rtmutex.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 851bbb10819d..a849964a348d 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -141,7 +141,6 @@ static void fixup_rt_mutex_waiters(struct rt_mutex *lock)
  * set up.
  */
 #ifndef CONFIG_DEBUG_RT_MUTEXES
-# define rt_mutex_cmpxchg_relaxed(l,c,n) (cmpxchg_relaxed(&l->owner, c, n) == c)
 # define rt_mutex_cmpxchg_acquire(l,c,n) (cmpxchg_acquire(&l->owner, c, n) == c)
 # define rt_mutex_cmpxchg_release(l,c,n) (cmpxchg_release(&l->owner, c, n) == c)
 
-- 
1.8.3.1