From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2636AC433EF for ; Fri, 14 Jan 2022 22:03:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230064AbiANWDG (ORCPT ); Fri, 14 Jan 2022 17:03:06 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:57124 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229980AbiANWDG (ORCPT ); Fri, 14 Jan 2022 17:03:06 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4A21AB82A26 for ; Fri, 14 Jan 2022 22:03:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71054C36AE5; Fri, 14 Jan 2022 22:03:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1642197784; bh=L8uhuIiq5lt0Fka3qsyxPXra33P+FdN1wYQH6JzvxuM=; h=Date:From:To:Subject:In-Reply-To:From; b=TGAaP0hQw9b4ib+V4YRN9Hf9ab/58ksKtl/gcLhP5a21+YUZ1gITvH0IA2mIrmTcQ 0uLrtkWsJO6EqAeh2XPj3uGVzEdJIkoGs3MeVzzipAM0nH6eaLthPmxxtF3UNet3d6 Kjw2gUVTSwRkXnKrpYvIC8tsw/yvDeim57+oiCgk= Date: Fri, 14 Jan 2022 14:03:02 -0800 From: Andrew Morton To: akpm@linux-foundation.org, bmt@zurich.ibm.com, bristot@kernel.org, caihuoqing@baidu.com, dave@stgolabs.net, dledford@redhat.com, jgg@ziepe.ca, jiangshanlai@gmail.com, joel@joelfernandes.org, josh@joshtriplett.org, linux-mm@kvack.org, mathieu.desnoyers@efficios.com, mingo@redhat.com, mm-commits@vger.kernel.org, paulmck@kernel.org, rostedt@goodmis.org, torvalds@linux-foundation.org Subject: [patch 004/146] rcutorture: make use of the helper function kthread_run_on_cpu() Message-ID: <20220114220302.NBU0-uX6r%akpm@linux-foundation.org> In-Reply-To: <20220114140222.6b14f0061194d3200000c52d@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Cai Huoqing Subject: rcutorture: make use of the helper function kthread_run_on_cpu() Replace kthread_create_on_node/kthread_bind/wake_up_process() with kthread_run_on_cpu() to simplify the code. Link: https://lkml.kernel.org/r/20211022025711.3673-5-caihuoqing@baidu.com Signed-off-by: Cai Huoqing Cc: Bernard Metzler Cc: Daniel Bristot de Oliveira Cc: Davidlohr Bueso Cc: Doug Ledford Cc: Ingo Molnar Cc: Jason Gunthorpe Cc: Joel Fernandes (Google) Cc: Josh Triplett Cc: Lai Jiangshan Cc: Mathieu Desnoyers Cc: "Paul E . McKenney" Cc: Steven Rostedt Signed-off-by: Andrew Morton --- kernel/rcu/rcutorture.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) --- a/kernel/rcu/rcutorture.c~rcutorture-make-use-of-the-helper-function-kthread_run_on_cpu +++ a/kernel/rcu/rcutorture.c @@ -1992,9 +1992,8 @@ static int rcutorture_booster_init(unsig mutex_lock(&boost_mutex); rcu_torture_disable_rt_throttle(); VERBOSE_TOROUT_STRING("Creating rcu_torture_boost task"); - boost_tasks[cpu] = kthread_create_on_node(rcu_torture_boost, NULL, - cpu_to_node(cpu), - "rcu_torture_boost"); + boost_tasks[cpu] = kthread_run_on_cpu(rcu_torture_boost, NULL, + cpu, "rcu_torture_boost_%u"); if (IS_ERR(boost_tasks[cpu])) { retval = PTR_ERR(boost_tasks[cpu]); VERBOSE_TOROUT_STRING("rcu_torture_boost task create failed"); @@ -2003,8 +2002,6 @@ static int rcutorture_booster_init(unsig mutex_unlock(&boost_mutex); return retval; } - kthread_bind(boost_tasks[cpu], cpu); - wake_up_process(boost_tasks[cpu]); mutex_unlock(&boost_mutex); return 0; } _