From: Alex Shi <alex.shi@linux.alibaba.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Thomas Gleixner <tglx@linutronix.de>,
Davidlohr Bueso <dave@stgolabs.net>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] locking/rtmutex: Remove unused rt_mutex_cmpxchg_relaxed()
Date: Fri, 14 Feb 2020 23:17:18 +0800 [thread overview]
Message-ID: <1581693439-33092-1-git-send-email-alex.shi@linux.alibaba.com> (raw)
In-Reply-To: <87c1cdbc-6af0-3f56-e986-b9df894fe4da@linux.alibaba.com>
This macro isn't interested by anyone, so remove it.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
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 | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 851bbb10819d..7ad22eade1cc 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)
@@ -202,7 +201,6 @@ static inline bool unlock_rt_mutex_safe(struct rt_mutex *lock,
}
#else
-# define rt_mutex_cmpxchg_relaxed(l,c,n) (0)
# define rt_mutex_cmpxchg_acquire(l,c,n) (0)
# define rt_mutex_cmpxchg_release(l,c,n) (0)
--
1.8.3.1
next prev parent reply other threads:[~2020-02-14 15:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-21 8:34 [PATCH] locking/rtmutex: remove unused cmpxchg_relaxed Alex Shi
2020-01-31 17:39 ` Davidlohr Bueso
2020-01-31 20:23 ` Thomas Gleixner
2020-02-04 10:18 ` Alex Shi
2020-02-12 15:07 ` Davidlohr Bueso
2020-02-14 15:17 ` Alex Shi [this message]
2020-02-14 15:17 ` [PATCH 2/2] locking/rtmutex: optimize rt_mutex_cmpxchgs Alex Shi
2020-04-17 14:50 [PATCH 1/2] locking/rtmutex: Remove unused rt_mutex_cmpxchg_relaxed() Alex Shi
2020-04-26 12:05 ` Alex Shi
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