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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 696B8C11F66 for ; Tue, 29 Jun 2021 08:09:25 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 C1DF361D7B for ; Tue, 29 Jun 2021 08:09:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1DF361D7B 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 boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4GDcZW0Wfvz3bcb for ; Tue, 29 Jun 2021 18:09:23 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=Lst/v2ML; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=kjain@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=Lst/v2ML; dkim-atps=neutral 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 4GDcYy0Wtjz2yx9 for ; Tue, 29 Jun 2021 18:08:53 +1000 (AEST) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 15T84FU4073675; Tue, 29 Jun 2021 04:08:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=subject : to : cc : references : from : message-id : date : in-reply-to : content-type : content-transfer-encoding : mime-version; s=pp1; bh=RsIMVnamhB6FYa7FfF0w4uQRw+Kcw3nQxnVdRE1/Fv4=; b=Lst/v2MLPzGLS81nSf7dPD3ptWkhy65uSDp30t/ejUH4GOrNf3Tvi2It5zcdul33J3TQ E+C3TN0yD3uFZfqIiVSqfrxEhhZTP3VS4xRkhxS/XobQeCqvLBx/OBv6KWqwOf0fAH4x E+uCcs7Wuqqu/R5RAbeW4fuENENIK29kDOJ4ZjomiTIv1KR3+naE8CFUgxXQItjajUTI 3mX5bMkifhOgWjAmS4QEgjJfaWAq8IFYnX3t79wPYbP8PsYVNwDZlfld8gyNKGlH1acY yXEnQAQ08LPRi9TGOmx2sxVI9N2xSjTN1x5Ad1UCyY/0WS3bCMnQuccZAfz2OkdMfYkK mA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 39fv03wc34-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Jun 2021 04:08:44 -0400 Received: from m0098410.ppops.net (m0098410.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 15T869hB084165; Tue, 29 Jun 2021 04:08:43 -0400 Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0a-001b2d01.pphosted.com with ESMTP id 39fv03wc2j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Jun 2021 04:08:43 -0400 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 15T86NDG021853; Tue, 29 Jun 2021 08:08:42 GMT Received: from b03cxnp07028.gho.boulder.ibm.com (b03cxnp07028.gho.boulder.ibm.com [9.17.130.15]) by ppma02dal.us.ibm.com with ESMTP id 39duvbwbpr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Jun 2021 08:08:42 +0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 15T88f1M27263300 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 29 Jun 2021 08:08:41 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 503996E090; Tue, 29 Jun 2021 08:08:41 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 828826E05B; Tue, 29 Jun 2021 08:08:35 +0000 (GMT) Received: from localhost.localdomain (unknown [9.199.45.57]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 29 Jun 2021 08:08:35 +0000 (GMT) Subject: Re: [PATCH] fpga: dfl: fme: Fix cpu hotplug issue in performance reporting To: Greg KH References: <20210628101721.188991-1-kjain@linux.ibm.com> From: kajoljain Message-ID: <8a70f71a-f75c-427b-cf6a-b63bf7682f36@linux.ibm.com> Date: Tue, 29 Jun 2021 13:38:33 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: hetGeLcYCXc8AdjqHgud-38bTHz1rVQn X-Proofpoint-GUID: q5oo3cYrBGcZjkPfLbOJVvffHymg3jFJ Content-Transfer-Encoding: 7bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-06-29_02:2021-06-25, 2021-06-29 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 mlxlogscore=914 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2106290056 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: mark.rutland@arm.com, maddy@linux.vnet.ibm.com, rnsastry@linux.ibm.com, trix@redhat.com, linux-fpga@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-perf-users@vger.kernel.org, atrajeev@linux.vnet.ibm.com, mdf@kernel.org, will@kernel.org, yilun.xu@intel.com, hao.wu@intel.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 6/29/21 12:57 PM, Greg KH wrote: > On Tue, Jun 29, 2021 at 12:45:20PM +0530, kajoljain wrote: >> >> >> On 6/28/21 3:47 PM, Kajol Jain wrote: >>> The performance reporting driver added cpu hotplug >>> feature but it didn't add pmu migration call in cpu >>> offline function. >>> This can create an issue incase the current designated >>> cpu being used to collect fme pmu data got offline, >>> as based on current code we are not migrating fme pmu to >>> new target cpu. Because of that perf will still try to >>> fetch data from that offline cpu and hence we will not >>> get counter data. >>> >>> Patch fixed this issue by adding pmu_migrate_context call >>> in fme_perf_offline_cpu function. >>> >> >> Adding stable@vger.kernel.org in cc list as suggested by Moritz Fischer. > > > > > This is not the correct way to submit patches for inclusion in the > stable kernel tree. Please read: > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html > for how to do this properly. Thanks Greg for pointing it, I will take care in my next version. Thanks, Kajol Jain > > >