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=ham 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 18476C11D40 for ; Thu, 20 Feb 2020 05:41:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E5D7224656 for ; Thu, 20 Feb 2020 05:41:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="g1nxG7ih" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726791AbgBTFlT (ORCPT ); Thu, 20 Feb 2020 00:41:19 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:46631 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726408AbgBTFlT (ORCPT ); Thu, 20 Feb 2020 00:41:19 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582177278; 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=V8v5166J4SbhdR4e6T70Bx8eG2hcXpRERfrbWLPrkP0=; b=g1nxG7ihS9hkOMh8nAoncu/rVxNBFTIya9GwdzG2uI7tgJwCul6Fdv1nJ/rFr1BROodiKD 7ozUfvhsMW7F6XfaBIAnizSPZrd/rhX72EALkV4w0vWxfupRS6E5Pnl+AJHjI2i59NDKTo mrBVh1Cn3vhVfmajVQO5DJfvkDs6/Ew= 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-110--XF2wSw1MSiPuumGVPBXeQ-1; Thu, 20 Feb 2020 00:41:16 -0500 X-MC-Unique: -XF2wSw1MSiPuumGVPBXeQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2DC1618A6EC2; Thu, 20 Feb 2020 05:41:14 +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 71A555C28E; Thu, 20 Feb 2020 05:40:54 +0000 (UTC) Subject: Re: [PATCH V3 4/5] virtio: introduce a vDPA based transport 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> <20200220035650.7986-5-jasowang@redhat.com> <2c5a3a84-be56-3003-8d71-d46645664bab@infradead.org> From: Jason Wang Message-ID: <0f796bc9-3e27-38ae-9d7a-bf2be2a9f8ab@redhat.com> Date: Thu, 20 Feb 2020 13:40:52 +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: <2c5a3a84-be56-3003-8d71-d46645664bab@infradead.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 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=8812:07, Randy Dunlap wrote: > On 2/19/20 7:56 PM, Jason Wang wrote: >> diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig >> index 9c4fdb64d9ac..0df3676b0f4f 100644 >> --- a/drivers/virtio/Kconfig >> +++ b/drivers/virtio/Kconfig >> @@ -43,6 +43,19 @@ config VIRTIO_PCI_LEGACY >> =20 >> If unsure, say Y. >> =20 >> +config VIRTIO_VDPA >> + tristate "vDPA driver for virtio devices" >> + select VDPA >> + select VIRTIO >> + help >> + This driver provides support for virtio based paravirtual >> + device driver over vDPA bus. For this to be useful, you need >> + an appropriate vDPA device implementation that operates on a >> + physical device to allow the datapath of virtio to be >> + offloaded to hardware. >> + >> + If unsure, say M. >> + > Please use tabs consistently for indentation, not spaces, > except in the Kconfig help text, which should be 1 tab + 2 spaces. Fixed. Thanks > >> config VIRTIO_PMEM >> tristate "Support for virtio pmem driver" >> depends on VIRTIO >