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[23.128.96.18]) by mx.google.com with ESMTP id k15si2937398eji.177.2020.11.13.01.02.10; Fri, 13 Nov 2020 01:02:33 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726353AbgKMI6m (ORCPT + 99 others); Fri, 13 Nov 2020 03:58:42 -0500 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]:54211 "EHLO out30-133.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726327AbgKMI6k (ORCPT ); Fri, 13 Nov 2020 03:58:40 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UFAepvk_1605257910; Received: from aliy80.localdomain(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0UFAepvk_1605257910) by smtp.aliyun-inc.com(127.0.0.1); Fri, 13 Nov 2020 16:58:36 +0800 From: Alex Shi Cc: Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Will Deacon , linux-kernel@vger.kernel.org Subject: [PATCH] locking/rtmutex: remove useless parameter for rt_mutex_proxy_unlock Date: Fri, 13 Nov 2020 16:58:12 +0800 Message-Id: <1605257895-5536-3-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1605257895-5536-1-git-send-email-alex.shi@linux.alibaba.com> References: <1605257895-5536-1-git-send-email-alex.shi@linux.alibaba.com> To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The parameter 'proxy_owner' isn't used, so could be removed. Signed-off-by: Alex Shi Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Darren Hart Cc: Will Deacon Cc: linux-kernel@vger.kernel.org --- kernel/futex.c | 2 +- kernel/locking/rtmutex.c | 3 +-- kernel/locking/rtmutex_common.h | 3 +-- 3 files changed, 3 insertions(+), 5 deletions(-) diff --git a/kernel/futex.c b/kernel/futex.c index f8614ef4ff31..347deedcfd0e 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -796,7 +796,7 @@ static void put_pi_state(struct futex_pi_state *pi_state) list_del_init(&pi_state->list); raw_spin_unlock(&owner->pi_lock); } - rt_mutex_proxy_unlock(&pi_state->pi_mutex, owner); + rt_mutex_proxy_unlock(&pi_state->pi_mutex); raw_spin_unlock_irq(&pi_state->pi_mutex.wait_lock); } diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index 50fa521fe767..f196045f2857 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -1721,8 +1721,7 @@ void rt_mutex_init_proxy_locked(struct rt_mutex *lock, * possible because it belongs to the pi_state which is about to be freed * and it is not longer visible to other tasks. */ -void rt_mutex_proxy_unlock(struct rt_mutex *lock, - struct task_struct *proxy_owner) +void rt_mutex_proxy_unlock(struct rt_mutex *lock) { debug_rt_mutex_proxy_unlock(lock); rt_mutex_set_owner(lock, NULL); diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h index d1d62f942be2..ca6fb489007b 100644 --- a/kernel/locking/rtmutex_common.h +++ b/kernel/locking/rtmutex_common.h @@ -133,8 +133,7 @@ enum rtmutex_chainwalk { extern struct task_struct *rt_mutex_next_owner(struct rt_mutex *lock); extern void rt_mutex_init_proxy_locked(struct rt_mutex *lock, struct task_struct *proxy_owner); -extern void rt_mutex_proxy_unlock(struct rt_mutex *lock, - struct task_struct *proxy_owner); +extern void rt_mutex_proxy_unlock(struct rt_mutex *lock); extern void rt_mutex_init_waiter(struct rt_mutex_waiter *waiter); extern int __rt_mutex_start_proxy_lock(struct rt_mutex *lock, struct rt_mutex_waiter *waiter, -- 2.29.GIT