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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 15EFCC432C1 for ; Wed, 25 Sep 2019 04:11:55 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 981412075D for ; Wed, 25 Sep 2019 04:11:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 981412075D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46dPlD2fLHzDq75 for ; Wed, 25 Sep 2019 14:11:52 +1000 (AEST) 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=ravi.bangoria@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 46dPdJ25YgzDqdS for ; Wed, 25 Sep 2019 14:06:43 +1000 (AEST) Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8P41tSI012993 for ; Wed, 25 Sep 2019 00:06:40 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 2v7x0tdntp-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 25 Sep 2019 00:06:40 -0400 Received: from localhost by e06smtp03.uk.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, 25 Sep 2019 05:06:34 +0100 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8P46Xkf50266234 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 25 Sep 2019 04:06:33 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A01A4A4059; Wed, 25 Sep 2019 04:06:33 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E42B1A4055; Wed, 25 Sep 2019 04:06:31 +0000 (GMT) Received: from bangoria.in.ibm.com (unknown [9.124.31.69]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 25 Sep 2019 04:06:31 +0000 (GMT) From: Ravi Bangoria To: mpe@ellerman.id.au, mikey@neuling.org, christophe.leroy@c-s.fr Subject: [PATCH v4 0/5] Powerpc/Watchpoint: Few important fixes Date: Wed, 25 Sep 2019 09:36:25 +0530 X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19092504-0012-0000-0000-000003503F5F X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19092504-0013-0000-0000-0000218AD173 Message-Id: <20190925040630.6948-1-ravi.bangoria@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-09-25_02:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 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=8.0.1-1908290000 definitions=main-1909250039 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: Ravi Bangoria , linux-kernel@vger.kernel.org, npiggin@gmail.com, paulus@samba.org, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" v3: https://lists.ozlabs.org/pipermail/linuxppc-dev/2019-July/193339.html v3->v4: - Instead of considering exception as extraneous when dar is outside of user specified range, analyse the instruction and check for overlap between user specified range and actual load/store range. - Add selftest for the same in perf-hwbreak.c - Make ptrace-hwbreak.c selftest more strict by checking address in check_success. - Support for 8xx in ptrace-hwbreak.c selftest (Build tested only) - Rebase to powerpc/next @Christope, Can you please check Patch 5. I've just build-tested it with ep88xc_defconfig. Ravi Bangoria (5): Powerpc/Watchpoint: Fix length calculation for unaligned target Powerpc/Watchpoint: Don't ignore extraneous exceptions blindly Powerpc/Watchpoint: Rewrite ptrace-hwbreak.c selftest Powerpc/Watchpoint: Add dar outside test in perf-hwbreak.c selftest Powerpc/Watchpoint: Support for 8xx in ptrace-hwbreak.c selftest arch/powerpc/include/asm/debug.h | 1 + arch/powerpc/include/asm/hw_breakpoint.h | 9 +- arch/powerpc/kernel/dawr.c | 6 +- arch/powerpc/kernel/hw_breakpoint.c | 76 ++- arch/powerpc/kernel/process.c | 46 ++ arch/powerpc/kernel/ptrace.c | 37 +- arch/powerpc/xmon/xmon.c | 3 +- .../selftests/powerpc/ptrace/perf-hwbreak.c | 111 +++- .../selftests/powerpc/ptrace/ptrace-hwbreak.c | 579 +++++++++++------- 9 files changed, 595 insertions(+), 273 deletions(-) -- 2.21.0