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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 9DDD4C432C0 for ; Thu, 21 Nov 2019 03:57:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E005208A1 for ; Thu, 21 Nov 2019 03:57:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="CRo3ii0C" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725854AbfKUD50 (ORCPT ); Wed, 20 Nov 2019 22:57:26 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:60227 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725842AbfKUD50 (ORCPT ); Wed, 20 Nov 2019 22:57:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574308645; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=snqW+q0nXEln1f+D4QvCQZQ5aoIIekZZLEDjLMQzHp0=; b=CRo3ii0C574C3YOYZP3c5DSabbDq9JJso9k2VSv4O2qAgiQgicKg4VX4uG2cq2IU44ZoZC psUsReRw8gZsucPmlLqD4SBAm1VoDGsxA3FliYTv+xyQ3malk0KZLM118fMSWI2IvWO2W+ k8+MO8l3nfsK6LZ0arcN7r7ElPpSdMw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-135-3kLdis7FN5W2FgTJdPFzYQ-1; Wed, 20 Nov 2019 22:57:24 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2FFCA800054; Thu, 21 Nov 2019 03:57:22 +0000 (UTC) Received: from [10.72.12.204] (ovpn-12-204.pek2.redhat.com [10.72.12.204]) by smtp.corp.redhat.com (Postfix) with ESMTP id B318C5D72A; Thu, 21 Nov 2019 03:57:11 +0000 (UTC) Subject: Re: [net-next v2 1/1] virtual-bus: Implementation of Virtual Bus To: Jason Gunthorpe Cc: Parav Pandit , Jeff Kirsher , davem@davemloft.net, gregkh@linuxfoundation.org, Dave Ertman , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, Kiran Patil , "Michael S. Tsirkin" , Alex Williamson , Tiwei Bie References: <20191115223355.1277139-1-jeffrey.t.kirsher@intel.com> <13946106-dab2-6bbe-df79-ca6dfdeb4c51@redhat.com> <20191119164632.GA4991@ziepe.ca> <1655636323.35622504.1574220291482.JavaMail.zimbra@redhat.com> <20191120133349.GB22515@ziepe.ca> From: Jason Wang Message-ID: <68837419-1306-7c61-a4d1-081f1fb78992@redhat.com> Date: Thu, 21 Nov 2019 11:57:09 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20191120133349.GB22515@ziepe.ca> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-MC-Unique: 3kLdis7FN5W2FgTJdPFzYQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On 2019/11/20 =E4=B8=8B=E5=8D=889:33, Jason Gunthorpe wrote: > On Tue, Nov 19, 2019 at 10:24:51PM -0500, Jason Wang wrote: > >>> The driver providing the virtio should really be in control of the >>> life cycle policy. For net related virtio that is clearly devlink. >> As replied in another thread, there were already existed devices >> (Intel IFC VF) that doesn't use devlink. > Why is that a justification? Drivers can learn to use devlink, it > isn't like it is set in stone. Technically, I fully agree. But vendors has their right to to other way=20 unless devlink is forced when creating netdevice. Thanks > > Jason >