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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 4EE5EC433E1 for ; Sun, 28 Mar 2021 14:42:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D6D5619BB for ; Sun, 28 Mar 2021 14:42:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231255AbhC1Olm (ORCPT ); Sun, 28 Mar 2021 10:41:42 -0400 Received: from pv50p00im-zteg10021401.me.com ([17.58.6.47]:40720 "EHLO pv50p00im-zteg10021401.me.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229950AbhC1Olk (ORCPT ); Sun, 28 Mar 2021 10:41:40 -0400 X-Greylist: delayed 343 seconds by postgrey-1.27 at vger.kernel.org; Sun, 28 Mar 2021 10:41:40 EDT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=me.com; s=1a1hai; t=1616942155; bh=Ow0/kmASW8C17u8xlB5YZpkDJsBZ6QXmxxYqzlWdjE0=; h=From:To:Subject:Date:Message-Id; b=uyVCtTQQk6fMjMILnAMKvYGL5WBdz3SaHw7q2bQeA+uTlvI2Z9YIEAttpb7lC+fCL dBdSFCbrRQvmM/od9PF5mJfW8WdOv46Cfqyig0BWakJeLneY3Hvi2Xs9iZgO+kTxMS lTsl4SuyZMcBuAxSGfDE1bgNOdOQMXRopFOp2YPtCfzQJxIhIZKFe0uGcyRl0VVc5o 9K+oHSx+MyBRqDpSLaskpeR2KvpmqdL98ou9jqqbpPfHQMczgef0Mz9Zx8OPDlbD58 AiHJLAjLMYLbGY5JpwDvOD70727ZL8VK289CJcxOGDjbO514wGQNbITuNITEb3kz/T b0nWSpEbFJzjQ== Received: from localhost.localdomain (unknown [120.245.2.89]) by pv50p00im-zteg10021401.me.com (Postfix) with ESMTPSA id BD265480408; Sun, 28 Mar 2021 14:35:51 +0000 (UTC) From: Xiongwei Song To: mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, npiggin@gmail.com, christophe.leroy@csgroup.eu, ravi.bangoria@linux.ibm.com, mikey@neuling.org, aneesh.kumar@linux.ibm.com, haren@linux.ibm.com Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Xiongwei Song Subject: [PATCH] powerpc/process: Enhance readability for trap types. Date: Sun, 28 Mar 2021 22:35:45 +0800 Message-Id: <20210328143545.24324-1-sxwjean@me.com> X-Mailer: git-send-email 2.17.1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-28_07:2021-03-26,2021-03-28 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 mlxscore=0 mlxlogscore=802 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-2006250000 definitions=main-2103280113 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xiongwei Song Define macros to enhance the code readability on ppc trap types. Signed-off-by: Xiongwei Song --- arch/powerpc/kernel/process.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 3231c2df9e26..3bbd3cf353a7 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1451,6 +1451,10 @@ static void print_msr_bits(unsigned long val) #define LAST_VOLATILE 12 #endif +#define TRAP_MC 0x200 /* Machine Check */ +#define TRAP_DSI 0x300 /* DSI exception */ +#define TRAP_AM 0x600 /* Alignment exception */ + static void __show_regs(struct pt_regs *regs) { int i, trap; @@ -1465,7 +1469,7 @@ static void __show_regs(struct pt_regs *regs) trap = TRAP(regs); if (!trap_is_syscall(regs) && cpu_has_feature(CPU_FTR_CFAR)) pr_cont("CFAR: "REG" ", regs->orig_gpr3); - if (trap == 0x200 || trap == 0x300 || trap == 0x600) { + if (trap == TRAP_MC || trap == TRAP_DSI || trap == TRAP_AM) { if (IS_ENABLED(CONFIG_4xx) || IS_ENABLED(CONFIG_BOOKE)) pr_cont("DEAR: "REG" ESR: "REG" ", regs->dar, regs->dsisr); else -- 2.17.1