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 X-Spam-Level: X-Spam-Status: No, score=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FD96C433DB for ; Wed, 17 Mar 2021 07:01:29 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2806564F89 for ; Wed, 17 Mar 2021 07:01:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2806564F89 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4F0h064lPTz3brR for ; Wed, 17 Mar 2021 18:01:26 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4F0gzl1zmmz30Dt for ; Wed, 17 Mar 2021 18:01:04 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4F0gzb65jfz9vBn3; Wed, 17 Mar 2021 08:00:59 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id arCS8u5r8lUa; Wed, 17 Mar 2021 08:00:59 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4F0gzb4LkTz9vBn2; Wed, 17 Mar 2021 08:00:59 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 764C98B819; Wed, 17 Mar 2021 08:01:00 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id TI4ffKCC1lw8; Wed, 17 Mar 2021 08:01:00 +0100 (CET) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 173228B81B; Wed, 17 Mar 2021 08:01:00 +0100 (CET) Subject: Re: [PATCH] sched: replace if (cond) BUG() with BUG_ON() To: Jiapeng Chong , jk@ozlabs.org References: <1615963510-89830-1-git-send-email-jiapeng.chong@linux.alibaba.com> From: Christophe Leroy Message-ID: <188541f6-e047-0dfd-8f57-edfce5fae49b@csgroup.eu> Date: Wed, 17 Mar 2021 08:00:57 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <1615963510-89830-1-git-send-email-jiapeng.chong@linux.alibaba.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, paulus@samba.org, linux-kernel@vger.kernel.org, arnd@arndb.de Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 17/03/2021 à 07:45, Jiapeng Chong a écrit : > Fix the following coccicheck warnings: > > ./arch/powerpc/platforms/cell/spufs/sched.c:908:2-5: WARNING: Use BUG_ON > instead of if condition followed by BUG. Consider using WARN_ON() instead of BUG_ON() if relevant. If not, explain in the commit message why we need to keep a BUG_ON(). See https://www.kernel.org/doc/html/latest/process/deprecated.html#bug-and-bug-on > > Reported-by: Abaci Robot > Signed-off-by: Jiapeng Chong > --- > arch/powerpc/platforms/cell/spufs/sched.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c > index 3692064..139a6ec 100644 > --- a/arch/powerpc/platforms/cell/spufs/sched.c > +++ b/arch/powerpc/platforms/cell/spufs/sched.c > @@ -904,8 +904,7 @@ static noinline void spusched_tick(struct spu_context *ctx) > struct spu_context *new = NULL; > struct spu *spu = NULL; > > - if (spu_acquire(ctx)) > - BUG(); /* a kernel thread never has signals pending */ > + BUG_ON(spu_acquire(ctx)); /* a kernel thread never has signals pending */ > > if (ctx->state != SPU_STATE_RUNNABLE) > goto out; >