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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 606E0C433EF for ; Thu, 27 Jan 2022 14:59:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235359AbiA0O7k (ORCPT ); Thu, 27 Jan 2022 09:59:40 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:8698 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233473AbiA0O7j (ORCPT ); Thu, 27 Jan 2022 09:59:39 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 20REfigt030373; Thu, 27 Jan 2022 14:59:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=inKHah+VEsfzUdiYlIOFTgi2CaHuGDHs0qs6LOJQxU4=; b=C+J/v07JCuw58z4ZJtClNngqI7oAgRgWWbNsJIkvxiHoXmyUpaNnSojoa96IdeuM5WX3 FhUQpD37dVmSe3iju/KIUBJ+n+Q/UcBBAT2D027g4V2XFMUiMhLsq4m1/0iHCzlMwBLf lWEGIrzpo2syoIJHANihX/PWJks/LMH5jI4KqB9wtfYZc1tZrNc8iCCV36Bb3zZD980U 4zKxvOm9Sr37CoLj1eSkyoj0IMkJyrK+huz6SALvFZppXt3Wn+fmwiN6pVE1/sx1Xc8V qLigssC4VzIYw5AIQB39N2N9c5TXr/2iEEXIGdjGUGKbzhc/ZKlPsV9k+LfdclRAgwp1 kg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3duta8vk94-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Jan 2022 14:59:37 +0000 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 20REk3du013443; Thu, 27 Jan 2022 14:59:37 GMT Received: from ppma04fra.de.ibm.com (6a.4a.5195.ip4.static.sl-reverse.com [149.81.74.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 3duta8vk8e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Jan 2022 14:59:37 +0000 Received: from pps.filterd (ppma04fra.de.ibm.com [127.0.0.1]) by ppma04fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 20RErCUe026913; Thu, 27 Jan 2022 14:59:34 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma04fra.de.ibm.com with ESMTP id 3dr9j9y2nf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Jan 2022 14:59:34 +0000 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 20RExV3m46792972 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 27 Jan 2022 14:59:31 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BAD694C04A; Thu, 27 Jan 2022 14:59:31 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 783194C059; Thu, 27 Jan 2022 14:59:31 +0000 (GMT) Received: from [9.152.222.35] (unknown [9.152.222.35]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 27 Jan 2022 14:59:31 +0000 (GMT) Message-ID: Date: Thu, 27 Jan 2022 15:59:37 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH net-next 0/2] net/smc: Spread workload over multiple cores Content-Language: en-US To: Tony Lu , kuba@kernel.org, davem@davemloft.net Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org References: <20220126130140.66316-1-tonylu@linux.alibaba.com> From: Karsten Graul Organization: IBM Deutschland Research & Development GmbH In-Reply-To: <20220126130140.66316-1-tonylu@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: upm9WjGLpsFHnmkH-8yvb8N71Y4Q9r-V X-Proofpoint-ORIG-GUID: odXEawHBf9Zy_TDAqIns_WJcfksMic_a X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-27_03,2022-01-27_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1011 impostorscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 phishscore=0 malwarescore=0 suspectscore=0 mlxscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2201270088 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On 26/01/2022 14:01, Tony Lu wrote: > Currently, SMC creates one CQ per IB device, and shares this cq among > all the QPs of links. Meanwhile, this CQ is always binded to the first > completion vector, the IRQ affinity of this vector binds to some CPU > core. As discussed in the RFC thread, please come back with the complete fix. Thanks for the work you are putting in here! And thanks for the feedback from the rdma side!