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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY 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 C4022C432C2 for ; Tue, 24 Sep 2019 02:53:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B19E2168B for ; Tue, 24 Sep 2019 02:53:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="QRIWeM6k" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405950AbfIXCxS (ORCPT ); Mon, 23 Sep 2019 22:53:18 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:57386 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728992AbfIXCxS (ORCPT ); Mon, 23 Sep 2019 22:53:18 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8O2ix0B079263; Tue, 24 Sep 2019 02:53:12 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2019-08-05; bh=N1cUtOquaBkOk4FnvyuMEMN2i0kLzjsGj2zGsLObV9A=; b=QRIWeM6kHZU50aaFnPMwKfOKIyaAmt7NVAuCiYxd01FSm95gpIPEH+0IjyHkLSGzacaX GWtcQ55EZfDuRfjTj1QWUa0PoVjvg6Ttlgftt0Jdl6HlQkNFSZvuNzZ05P+oRZ/MWwg6 Iyq1nbTcy0UmjRgMc4th+UCd2/PYFhkh5zz5T1Laq5JdxHrH0AucMXbIwKwKjSTtLO1x GWSBq47+quhBkPJ/xPNXKdAal6FbUGc+RVLgCiG3O8XaUOUba9gL+9dC2rM7ioYlbNIL A3eeJeFNna/guyH7/0f3eAFukw/T5R2HsnoxxdQvmVhzqDuWhyuKMChshlNvUDTQbUJK 6g== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 2v5btpty4f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 24 Sep 2019 02:53:12 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8O2iM4M159030; Tue, 24 Sep 2019 02:53:12 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 2v6yvqpc9y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 24 Sep 2019 02:53:11 +0000 Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x8O2rASY010053; Tue, 24 Sep 2019 02:53:10 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 23 Sep 2019 19:53:10 -0700 To: longli@linuxonhyperv.com Cc: "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Sasha Levin , "James E.J. Bottomley" , "Martin K. Petersen" , linux-hyperv@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Long Li Subject: Re: [Patch v4] storvsc: setup 1:1 mapping between hardware queue and CPU queue From: "Martin K. Petersen" Organization: Oracle Corporation References: <1567790660-48142-1-git-send-email-longli@linuxonhyperv.com> Date: Mon, 23 Sep 2019 22:53:07 -0400 In-Reply-To: <1567790660-48142-1-git-send-email-longli@linuxonhyperv.com> (longli@linuxonhyperv.com's message of "Fri, 6 Sep 2019 10:24:20 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9389 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=981 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909240027 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9389 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909240027 Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Long, > storvsc doesn't use a dedicated hardware queue for a given CPU > queue. When issuing I/O, it selects returning CPU (hardware queue) > dynamically based on vmbus channel usage across all channels. Applied to 5.4/scsi-fixes. Thanks! -- Martin K. Petersen Oracle Linux Engineering