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Violators will be prosecuted; Mon, 9 Apr 2018 14:41:59 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w39DfwJb29425790; Mon, 9 Apr 2018 13:41:58 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0E8904C044; Mon, 9 Apr 2018 14:34:41 +0100 (BST) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 50C364C046; Mon, 9 Apr 2018 14:34:32 +0100 (BST) Received: from [9.77.123.16] (unknown [9.77.123.16]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 9 Apr 2018 14:34:31 +0100 (BST) Subject: Re: [PATCH v2 7/9] trace_uprobe/sdt: Fix multiple update of same reference counter To: Oleg Nesterov Cc: mhiramat@kernel.org, peterz@infradead.org, srikar@linux.vnet.ibm.com, rostedt@goodmis.org, acme@kernel.org, ananth@linux.vnet.ibm.com, akpm@linux-foundation.org, alexander.shishkin@linux.intel.com, alexis.berlemont@gmail.com, corbet@lwn.net, dan.j.williams@intel.com, jolsa@redhat.com, kan.liang@intel.com, kjlx@templeofstupid.com, kstewart@linuxfoundation.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, milian.wolff@kdab.com, mingo@redhat.com, namhyung@kernel.org, naveen.n.rao@linux.vnet.ibm.com, pc@us.ibm.com, tglx@linutronix.de, yao.jin@linux.intel.com, fengguang.wu@intel.com, jglisse@redhat.com, Ravi Bangoria References: <20180404083110.18647-1-ravi.bangoria@linux.vnet.ibm.com> <20180404083110.18647-8-ravi.bangoria@linux.vnet.ibm.com> <20180409131730.GA25631@redhat.com> <90d2fc35-0d58-1cab-a474-642192c7e1ff@linux.vnet.ibm.com> From: Ravi Bangoria Date: Mon, 9 Apr 2018 19:11:48 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <90d2fc35-0d58-1cab-a474-642192c7e1ff@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-TM-AS-GCONF: 00 x-cbid: 18040913-0044-0000-0000-000005451C78 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18040913-0045-0000-0000-00002885480F Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-09_06:,, 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 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1804090146 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/09/2018 07:02 PM, Ravi Bangoria wrote: > Hi Oleg, > > On 04/09/2018 06:47 PM, Oleg Nesterov wrote: >> I didn't read this version yet, just one question... >> >> So now it depends on CONFIG_MMU_NOTIFIER, yes? I do not see any changes in Kconfig >> files, this doesn't look right... > Yes, you are write. s/write/right.