From patchwork Wed Aug 1 21:33:15 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: 952398 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41gmr9268Qz9s9F for ; Thu, 2 Aug 2018 07:38:01 +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 41gmr910cKzF1S7 for ; Thu, 2 Aug 2018 07:38:01 +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 41gmlZ32WNzF1dL for ; Thu, 2 Aug 2018 07:34:02 +1000 (AEST) Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w71LRLAb105400 for ; Wed, 1 Aug 2018 17:34:00 -0400 Received: from e11.ny.us.ibm.com (e11.ny.us.ibm.com [129.33.205.201]) by mx0a-001b2d01.pphosted.com with ESMTP id 2kkmsrg74b-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 01 Aug 2018 17:33:59 -0400 Received: from localhost by e11.ny.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) Wed, 1 Aug 2018 17:33:52 -0400 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w71LXqKb10420718 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 1 Aug 2018 21:33:52 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2B53AAC05F; Wed, 1 Aug 2018 17:34:30 -0400 (EDT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C0119AC059; Wed, 1 Aug 2018 17:34:25 -0400 (EDT) Received: from kermit-br-ibm-com.ibmmodules.com (unknown [9.80.99.86]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 1 Aug 2018 17:34:25 -0400 (EDT) From: Murilo Opsfelder Araujo To: linux-kernel@vger.kernel.org Subject: [PATCH v4 1/6] powerpc/traps: Print unhandled signals in a separate function Date: Wed, 1 Aug 2018 18:33:15 -0300 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180801213320.11203-1-muriloo@linux.ibm.com> References: <20180801213320.11203-1-muriloo@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 18080121-2213-0000-0000-000002D313CA X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009468; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01068949; UDB=6.00549596; IPR=6.00847297; MB=3.00022446; MTD=3.00000008; XFM=3.00000015; UTC=2018-08-01 21:33:56 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18080121-2214-0000-0000-00005B0BE884 Message-Id: <20180801213320.11203-2-muriloo@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-08-01_08:, , 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=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1808010217 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" Isolate the logic of printing unhandled signals out of _exception_pkey(). No functional change, only code rearrangement. Signed-off-by: Murilo Opsfelder Araujo --- arch/powerpc/kernel/traps.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 0e17dcb48720..cbd3dc365193 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -301,26 +301,32 @@ void user_single_step_siginfo(struct task_struct *tsk, info->si_addr = (void __user *)regs->nip; } +static void show_signal_msg(int signr, struct pt_regs *regs, int code, + unsigned long addr) +{ + const char fmt32[] = KERN_INFO "%s[%d]: unhandled signal %d " \ + "at %08lx nip %08lx lr %08lx code %x\n"; + const char fmt64[] = KERN_INFO "%s[%d]: unhandled signal %d " \ + "at %016lx nip %016lx lr %016lx code %x\n"; + + if (show_unhandled_signals && unhandled_signal(current, signr)) { + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, signr, + addr, regs->nip, regs->link, code); + } +} void _exception_pkey(int signr, struct pt_regs *regs, int code, - unsigned long addr, int key) + unsigned long addr, int key) { siginfo_t info; - const char fmt32[] = KERN_INFO "%s[%d]: unhandled signal %d " \ - "at %08lx nip %08lx lr %08lx code %x\n"; - const char fmt64[] = KERN_INFO "%s[%d]: unhandled signal %d " \ - "at %016lx nip %016lx lr %016lx code %x\n"; if (!user_mode(regs)) { die("Exception in kernel mode", regs, signr); return; } - if (show_unhandled_signals && unhandled_signal(current, signr)) { - printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, signr, - addr, regs->nip, regs->link, code); - } + show_signal_msg(signr, regs, code, addr); if (arch_irqs_disabled() && !arch_irq_disabled_regs(regs)) local_irq_enable();