From patchwork Tue Jul 31 14:50:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Murilo_Opsfelder_Ara=C3=BAjo?= X-Patchwork-Id: 951665 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41g0Fd0TmJz9ryn for ; Wed, 1 Aug 2018 01:08:53 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 41g0Fc3bQwzF15L for ; Wed, 1 Aug 2018 01:08:52 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linux.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=muriloo@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (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 41fzsD54JnzF18f for ; Wed, 1 Aug 2018 00:51:12 +1000 (AEST) Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w6VE9XrC098074 for ; Tue, 31 Jul 2018 10:51:09 -0400 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0a-001b2d01.pphosted.com with ESMTP id 2kjrdbvkpt-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 31 Jul 2018 10:51:09 -0400 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 31 Jul 2018 08:51:04 -0600 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w6VEp3B864094452 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 31 Jul 2018 07:51:03 -0700 Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EC0E2BE05D; Tue, 31 Jul 2018 08:51:02 -0600 (MDT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B9A67BE04F; Tue, 31 Jul 2018 08:50:59 -0600 (MDT) Received: from kermit-br-ibm-com.br.ibm.com (unknown [9.18.235.193]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 31 Jul 2018 08:50:59 -0600 (MDT) From: Murilo Opsfelder Araujo To: linux-kernel@vger.kernel.org Subject: [PATCH v3 7/9] powerpc: Add stacktrace.h header Date: Tue, 31 Jul 2018 11:50:18 -0300 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180731145020.14009-1-muriloo@linux.ibm.com> References: <20180731145020.14009-1-muriloo@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 18073114-0020-0000-0000-00000E461E0B X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009463; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01068483; UDB=6.00549299; IPR=6.00846683; MB=3.00022427; MTD=3.00000008; XFM=3.00000015; UTC=2018-07-31 14:51:08 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18073114-0021-0000-0000-000062792EE7 Message-Id: <20180731145020.14009-8-muriloo@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-07-31_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=927 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807310137 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michael Neuling , Murilo Opsfelder Araujo , Simon Guo , Nicholas Piggin , Paul Mackerras , "Eric W . Biederman" , Andrew Donnellan , Alastair D'Silva , Joe Perches , Sukadev Bhattiprolu , linuxppc-dev@lists.ozlabs.org, Cyril Bur , "Tobin C . Harding" Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Move show_instructions() declaration to arch/powerpc/include/asm/stacktrace.h and include asm/stracktrace.h in arch/powerpc/kernel/process.c, which contains the implementation. This allows show_instructions() to be called on, for example, show_signal_msg(). Signed-off-by: Murilo Opsfelder Araujo --- arch/powerpc/include/asm/stacktrace.h | 13 +++++++++++++ arch/powerpc/kernel/process.c | 3 ++- 2 files changed, 15 insertions(+), 1 deletion(-) create mode 100644 arch/powerpc/include/asm/stacktrace.h diff --git a/arch/powerpc/include/asm/stacktrace.h b/arch/powerpc/include/asm/stacktrace.h new file mode 100644 index 000000000000..217ebc52ff97 --- /dev/null +++ b/arch/powerpc/include/asm/stacktrace.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Stack trace functions. + * + * Copyright 2018, Murilo Opsfelder Araujo, IBM Corporation. + */ + +#ifndef _ASM_POWERPC_STACKTRACE_H +#define _ASM_POWERPC_STACKTRACE_H + +void show_instructions(struct pt_regs *regs); + +#endif /* _ASM_POWERPC_STACKTRACE_H */ diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 50094c44bf79..e78799a8855a 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -52,6 +52,7 @@ #include #include #include +#include #include #include #include @@ -1261,7 +1262,7 @@ struct task_struct *__switch_to(struct task_struct *prev, static int instructions_to_print = 16; -static void show_instructions(struct pt_regs *regs) +void show_instructions(struct pt_regs *regs) { int i; unsigned long pc = regs->nip - (instructions_to_print * 3 / 4 *