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=-5.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 51CB8C48BE6 for ; Mon, 14 Jun 2021 08:07:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 20F1161380 for ; Mon, 14 Jun 2021 08:07:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232582AbhFNIJp (ORCPT ); Mon, 14 Jun 2021 04:09:45 -0400 Received: from mout.kundenserver.de ([217.72.192.73]:49753 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232530AbhFNIJn (ORCPT ); Mon, 14 Jun 2021 04:09:43 -0400 Received: from [192.168.1.155] ([95.115.71.85]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.183]) with ESMTPSA (Nemesis) id 1M26n9-1lucVX2qYD-002Unn; Mon, 14 Jun 2021 10:07:30 +0200 Subject: Re: [PATCH V3 1/3] gpio: Add virtio-gpio driver To: Viresh Kumar , Geert Uytterhoeven Cc: Linus Walleij , Bjorn Andersson , Bartosz Golaszewski , "Enrico Weigelt, metux IT consult" , Viresh Kumar , "Michael S. Tsirkin" , Jason Wang , Vincent Guittot , Bill Mills , =?UTF-8?Q?Alex_Benn=c3=a9e?= , stratos-dev@op-lists.linaro.org, "open list:GPIO SUBSYSTEM" , linux-kernel , Stefan Hajnoczi , "Stefano Garzarella --cc virtualization @ lists . linux-foundation . org" , virtualization@lists.linux-foundation.org, Alistair Strachan References: <10442926ae8a65f716bfc23f32339a6b35e51d5a.1623326176.git.viresh.kumar@linaro.org> <20210611035623.z4f2ynumzozigqnv@vireshk-i7> <20210611080122.tlkidv6bowuka6fw@vireshk-i7> From: "Enrico Weigelt, metux IT consult" Message-ID: <0478822f-9d10-deb8-86ae-3b4ac3bb0c6c@metux.net> Date: Mon, 14 Jun 2021 10:07:28 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210611080122.tlkidv6bowuka6fw@vireshk-i7> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: tl Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:5H1L+Ex7ZC4oLqRcKzdvgpyI25ZIf+Ocm4zxpAaFyNTtvXvaMJv 7hFfUyuU0ZTlsuQsZHLYoefeD/MNbY0jyUf52kB6Izj4LBtlhsRRsGRKFeM1gcYQ4umv456 qO/zCycpEg0+AoNFn9tGFgNNIOJvG6fO+2o3aRI5xkXG55E/ZD8aZfDhWaxZJIjqlmw6/O2 OK5KfX+UrcoMKTfpLAfVQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:wHlBr1mS1qE=:Vl5Ups3XZz5i92tgw4v+SQ n6aXOQ4RkWiN2MXHblKpUhMDhf0eACabCKjq9Lct+1R8ffdp8ydUd5w4mzu/NeUSFjjIAo1OA 1Sc3seBFL+WY7k4/2f/BaGtBUNrwROiUR/DD2PzOJVp5E4fyyN1plD02Bs+uXtBGUHnsv6YIG ya66HAz0n7H2fU6DxETvgbFn/vsNnWcf3M6uMSsL2Aj8QKExDTskQHdXe2Zxyw7XV4h7yiRka kqJUtUX2UiM47U7un4qehkRIi2AmbZAXjfQreODOAAlIN8lSsn+2WGMs7h8qaBTZqq5eNGSg+ +itpYA82ggH/WWWy46xKgAlfjKpYQ1N6YVfB9mcoAU2NTZk7wFBjpbFdtV9VLmluIPXvuPMy3 KTZCCFRbMxq/Q7YUpG3W+RUwqShBlg+3R4cx+VmPCEjBaiA/pBjkNBb4pMgprLkMR44iOpRYH Hd+abtCtez4oDuNb1SUJ9wQehU8ywuU/xaIXrAMPznZaUBJHIP7VcqQf9cS8x4RUIP04zs8Ip 80xpEmEhCptzvXH889HdZY= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11.06.21 10:01, Viresh Kumar wrote: > No, QEMU passes the raw messages to the backend daemon running in host > userspace (which shares a socket with qemu). The backend understands > the virtio/vhost protocols and so won't be required to change at all > if we move from Qemu to something else. And that's what we (Linaro) > are looking to do here with Project Stratos. Note that this is completely different from my approach that I've posted in autumn last year. Viresh's protocol hasn't much in common with mine. --mtx -- --- Hinweis: unverschlüsselte E-Mails können leicht abgehört und manipuliert werden ! Für eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schlüssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287