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Rao" Subject: Re: [PATCH AUTOSEL for 4.9 005/219] kretprobes: Ensure probe location is at function entry To: Sasha Levin , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Cc: Arnaldo Carvalho de Melo , Ananth N Mavinakayanahalli , "linuxppc-dev@lists.ozlabs.org" , Michael Ellerman , Steven Rostedt , Masami Hiramatsu References: <20180303222716.26640-1-alexander.levin@microsoft.com> <20180303222716.26640-5-alexander.levin@microsoft.com> In-Reply-To: <20180303222716.26640-5-alexander.levin@microsoft.com> User-Agent: astroid/0.11.0 (https://github.com/astroidmail/astroid) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8BIT X-TM-AS-GCONF: 00 x-cbid: 18030507-0016-0000-0000-0000052CC3C8 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18030507-0017-0000-0000-00002869D3A9 Message-Id: <1520232322.k5aakv6abc.naveen@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-03-05_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=1031 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1803050083 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hi Sasha, Sasha Levin wrote: > From: "Naveen N. Rao" > > [ Upstream commit 90ec5e89e393c76e19afc845d8f88a5dc8315919 ] > Sorry if this is obvious, but why was this patch picked up for -stable? I don't see the upstream commit tagging -stable, so curious why this was done. I don't think this patch should be pushed to -stable since this is not really a bug fix. There are also other dependencies for this change (see commit a64e3f35a45f4a, for instance), including how userspace (perf) builds out the retprobe argument. As such, please drop this from -stable (for 3.18. 4.4 and 4.9). Thanks, Naveen From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 3zvrTT46FjzDrS2 for ; Mon, 5 Mar 2018 18:03:08 +1100 (AEDT) Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w25714iT023961 for ; Mon, 5 Mar 2018 02:03:06 -0500 Received: from e06smtp14.uk.ibm.com (e06smtp14.uk.ibm.com [195.75.94.110]) by mx0b-001b2d01.pphosted.com with ESMTP id 2gguqjj248-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Mon, 05 Mar 2018 02:03:05 -0500 Received: from localhost by e06smtp14.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 5 Mar 2018 07:03:04 -0000 Date: Mon, 05 Mar 2018 12:32:57 +0530 From: "Naveen N. Rao" Subject: Re: [PATCH AUTOSEL for 4.9 005/219] kretprobes: Ensure probe location is at function entry To: Sasha Levin , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Cc: Arnaldo Carvalho de Melo , Ananth N Mavinakayanahalli , "linuxppc-dev@lists.ozlabs.org" , Michael Ellerman , Steven Rostedt , Masami Hiramatsu References: <20180303222716.26640-1-alexander.levin@microsoft.com> <20180303222716.26640-5-alexander.levin@microsoft.com> In-Reply-To: <20180303222716.26640-5-alexander.levin@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Message-Id: <1520232322.k5aakv6abc.naveen@linux.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Sasha, Sasha Levin wrote: > From: "Naveen N. Rao" >=20 > [ Upstream commit 90ec5e89e393c76e19afc845d8f88a5dc8315919 ] >=20 Sorry if this is obvious, but why was this patch picked up for -stable? =20 I don't see the upstream commit tagging -stable, so curious why this was=20 done. I don't think this patch should be pushed to -stable since this is not=20 really a bug fix. There are also other dependencies for this change (see=20 commit a64e3f35a45f4a, for instance), including how userspace (perf)=20 builds out the retprobe argument. As such, please drop this from -stable=20 (for 3.18. 4.4 and 4.9). Thanks, Naveen =