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=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 3C4EFC761A6 for ; Thu, 20 Feb 2020 05:40:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1649B24656 for ; Thu, 20 Feb 2020 05:40:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="d1aOVXOI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726637AbgBTFkp (ORCPT ); Thu, 20 Feb 2020 00:40:45 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:29155 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726408AbgBTFko (ORCPT ); Thu, 20 Feb 2020 00:40:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582177243; 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=8QbhRAmcBDryazlqaGLXKsumEY3b7rJXFJ1OmDZwn+I=; b=d1aOVXOIe/BuJhkAMAzGPFJNgtNQ1dvq3QYY9MLvry5T1eBL/8oyDsZHix83kIQfBV+kxN 1J5gX8XDeCVt6bf+lQLar9hSzI3BZHt+qze9JCMq1qzpxcdn6YZ2en06ewz3ACHAWy/wJG qC6qNEpvos8SaWbMHvRa6RvU43w8Vuc= 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-99-X456oni2MnSlkHp90s63Aw-1; Thu, 20 Feb 2020 00:40:41 -0500 X-MC-Unique: X456oni2MnSlkHp90s63Aw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E6797DB30; Thu, 20 Feb 2020 05:40:38 +0000 (UTC) Received: from [10.72.12.159] (ovpn-12-159.pek2.redhat.com [10.72.12.159]) by smtp.corp.redhat.com (Postfix) with ESMTP id 347FB90774; Thu, 20 Feb 2020 05:40:17 +0000 (UTC) Subject: Re: [PATCH V3 3/5] vDPA: introduce vDPA bus To: Randy Dunlap , mst@redhat.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Cc: tiwei.bie@intel.com, jgg@mellanox.com, maxime.coquelin@redhat.com, cunming.liang@intel.com, zhihong.wang@intel.com, rob.miller@broadcom.com, xiao.w.wang@intel.com, haotian.wang@sifive.com, lingshan.zhu@intel.com, eperezma@redhat.com, lulu@redhat.com, parav@mellanox.com, kevin.tian@intel.com, stefanha@redhat.com, hch@infradead.org, aadam@redhat.com, jiri@mellanox.com, shahafs@mellanox.com, hanand@xilinx.com, mhabets@solarflare.com References: <20200220035650.7986-1-jasowang@redhat.com> <20200220035650.7986-4-jasowang@redhat.com> <0a74e918-3b89-2aaf-7855-02db629ce886@infradead.org> From: Jason Wang Message-ID: Date: Thu, 20 Feb 2020 13:40:16 +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: <0a74e918-3b89-2aaf-7855-02db629ce886@infradead.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/2/20 =E4=B8=8B=E5=8D=8812:06, Randy Dunlap wrote: > On 2/19/20 7:56 PM, Jason Wang wrote: >> diff --git a/drivers/virtio/vdpa/Kconfig b/drivers/virtio/vdpa/Kconfig >> new file mode 100644 >> index 000000000000..7a99170e6c30 >> --- /dev/null >> +++ b/drivers/virtio/vdpa/Kconfig >> @@ -0,0 +1,9 @@ >> +# SPDX-License-Identifier: GPL-2.0-only >> +config VDPA >> + tristate >> + default m > Don't add drivers that are enabled by default, unless they are required > for a system to boot. > > And anything that wants VDPA should just select it, so this is not need= ed. Right fixed. Thanks > >> + help >> + Enable this module to support vDPA device that uses a >> + datapath which complies with virtio specifications with >> + vendor specific control path. >> + > thanks.