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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 7 Nov 2019 14:30:59 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xA7EUweZ13041862 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 7 Nov 2019 14:30:58 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 72424AE05D; Thu, 7 Nov 2019 14:30:58 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 44EC0AE065; Thu, 7 Nov 2019 14:30:54 +0000 (GMT) Received: from [9.199.52.7] (unknown [9.199.52.7]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 7 Nov 2019 14:30:53 +0000 (GMT) Subject: Re: [PATCH v6 0/7] Powerpc/Watchpoint: Few important fixes To: mpe@ellerman.id.au Cc: Christophe Leroy , mikey@neuling.org, npiggin@gmail.com, benh@kernel.crashing.org, paulus@samba.org, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Ravi Bangoria References: <20191017093204.7511-1-ravi.bangoria@linux.ibm.com> <10cce8b1-8142-39d3-cd91-58b85dac7c8c@linux.ibm.com> From: Ravi Bangoria Date: Thu, 7 Nov 2019 20:00:52 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19110714-0008-0000-0000-0000032C6F23 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19110714-0009-0000-0000-00004A4B7495 Message-Id: <047a102b-9578-88cc-872f-06c2952fb74c@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-11-07_05:,, 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=875 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911070143 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/29/19 7:31 PM, Christophe Leroy wrote: > > > Le 29/10/2019 à 05:54, Ravi Bangoria a écrit : >> >> >> On 10/17/19 3:01 PM, Ravi Bangoria wrote: >>> v5: https://lists.ozlabs.org/pipermail/linuxppc-dev/2019-October/198069.html >>> >>> v5->v6: >>>   - patch 6/7: mpe reported that the perf-hwbreak.c doesn't compile with older >>>     gcc: >>>          perf-hwbreak.c:182:2: error: dereferencing type-punned pointer will >>>          break strict-aliasing rules [-Werror=strict-aliasing] >>>              temp16 = *((__u16 *)target); >>>              ^ >>>     Fixed that. >>> >> >> Hi Christophe, Are you ok with the series wrt 8xx? > > Yes it looks ok on my 885: > > root@vgoip:~# ./ptrace-hwbreak > test: ptrace-hwbreak > tags: git_version:v5.4-rc4-835-gb235e63aa9f0-dirty > PTRACE_SET_DEBUGREG, WO, len: 1: Ok > PTRACE_SET_DEBUGREG, WO, len: 2: Ok > PTRACE_SET_DEBUGREG, WO, len: 4: Ok > PTRACE_SET_DEBUGREG, WO, len: 8: Ok > PTRACE_SET_DEBUGREG, RO, len: 1: Ok > PTRACE_SET_DEBUGREG, RO, len: 2: Ok > PTRACE_SET_DEBUGREG, RO, len: 4: Ok > PTRACE_SET_DEBUGREG, RO, len: 8: Ok > PTRACE_SET_DEBUGREG, RW, len: 1: Ok > PTRACE_SET_DEBUGREG, RW, len: 2: Ok > PTRACE_SET_DEBUGREG, RW, len: 4: Ok > PTRACE_SET_DEBUGREG, RW, len: 8: Ok > PPC_PTRACE_SETHWDEBUG, MODE_EXACT, WO, len: 1: Ok > PPC_PTRACE_SETHWDEBUG, MODE_EXACT, RO, len: 1: Ok > PPC_PTRACE_SETHWDEBUG, MODE_EXACT, RW, len: 1: Ok > success: ptrace-hwbreak > > Also ok on book3s/32: mpe, Can you please pull the series. Ravi