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 F1E45C33CB1 for ; Fri, 17 Jan 2020 09:34:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C918320748 for ; Fri, 17 Jan 2020 09:34:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FguwRF6P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726371AbgAQJea (ORCPT ); Fri, 17 Jan 2020 04:34:30 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:31404 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726778AbgAQJe3 (ORCPT ); Fri, 17 Jan 2020 04:34:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579253668; 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=zImW82m1PTihmZyDGaiVEDwS5NVR+NMTox5Q4NiymVk=; b=FguwRF6P3KDgLdObYJA1nLkj5xCJBp+gVGeZusCzufIV4mc7f3Ezaksn+in5zFh9xfGAk8 iefXnFmxtS5JoExv32b3/vEEZMuzGbs4WR7W+t8n7s0zXsvaU375LTqjqMCq8BW4s7cJJn C8QZvWF/SXCe5ArRKF0Ztg749Wq/ThI= 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-212-Tiljfj8BNmWS7qs6djDupQ-1; Fri, 17 Jan 2020 04:34:27 -0500 X-MC-Unique: Tiljfj8BNmWS7qs6djDupQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BC844800D48; Fri, 17 Jan 2020 09:34:24 +0000 (UTC) Received: from [10.72.12.168] (ovpn-12-168.pek2.redhat.com [10.72.12.168]) by smtp.corp.redhat.com (Postfix) with ESMTP id 18BBB5D9CD; Fri, 17 Jan 2020 09:34:07 +0000 (UTC) Subject: Re: [PATCH 1/5] vhost: factor out IOTLB 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, jakub.kicinski@netronome.com, jiri@mellanox.com, shahafs@mellanox.com, hanand@xilinx.com, mhabets@solarflare.com References: <20200116124231.20253-1-jasowang@redhat.com> <20200116124231.20253-2-jasowang@redhat.com> <4a577560-d42a-eed2-97a0-42d2f91495e2@infradead.org> From: Jason Wang Message-ID: <38b62ebe-9b9d-612b-acd3-0cbe4ae34db9@redhat.com> Date: Fri, 17 Jan 2020 17:34:06 +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: <4a577560-d42a-eed2-97a0-42d2f91495e2@infradead.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 2020/1/17 =E4=B8=8B=E5=8D=8812:14, Randy Dunlap wrote: > On 1/16/20 4:42 AM, Jason Wang wrote: >> diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig >> index 3d03ccbd1adc..f21c45aa5e07 100644 >> --- a/drivers/vhost/Kconfig >> +++ b/drivers/vhost/Kconfig >> @@ -36,6 +36,7 @@ config VHOST_VSOCK >> =20 >> config VHOST >> tristate >> + depends on VHOST_IOTLB >> ---help--- >> This option is selected by any driver which needs to access >> the core of vhost. >> @@ -54,3 +55,9 @@ config VHOST_CROSS_ENDIAN_LEGACY >> adds some overhead, it is disabled by default. >> =20 >> If unsure, say "N". >> + >> +config VHOST_IOTLB >> + tristate >> + default m >> + help >> + Generic IOTLB implementation for vhost and vringh. > Use tab + 2 spaces for Kconfig indentation. Will fix. I wonder why checkpath doesn't complain about this :) Thanks >