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Tsirkin" To: Jason Gunthorpe Subject: Re: [PATCH vfio 11/11] vfio/virtio: Introduce a vfio driver over virtio devices Message-ID: <20230926014005-mutt-send-email-mst@kernel.org> References: <20230921124331-mutt-send-email-mst@kernel.org> <20230921183926.GV13733@nvidia.com> <20230921150448-mutt-send-email-mst@kernel.org> <20230921194946.GX13733@nvidia.com> <20230922121132.GK13733@nvidia.com> <20230925122607.GW13733@nvidia.com> <20230925143708-mutt-send-email-mst@kernel.org> <20230926004059.GM13733@nvidia.com> MIME-Version: 1.0 In-Reply-To: <20230926004059.GM13733@nvidia.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: kvm@vger.kernel.org, maorg@nvidia.com, virtualization@lists.linux-foundation.org, jiri@nvidia.com, leonro@nvidia.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Mon, Sep 25, 2023 at 09:40:59PM -0300, Jason Gunthorpe wrote: > On Mon, Sep 25, 2023 at 03:44:11PM -0400, Michael S. Tsirkin wrote: > > > VDPA is very different from this. You might call them both mediation, > > > sure, but then you need another word to describe the additional > > > changes VPDA is doing. > > > > Sorry about hijacking the thread a little bit, but could you > > call out some of the changes that are the most problematic > > for you? > > I don't really know these details. Maybe, you then should desist from saying things like "It entirely fails to achieve the most important thing it needs to do!" You are not making any new friends with saying this about a piece of software without knowing the details. -- MST _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25C35E7D0C5 for ; Tue, 26 Sep 2023 05:43:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231549AbjIZFnv (ORCPT ); Tue, 26 Sep 2023 01:43:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229461AbjIZFnu (ORCPT ); Tue, 26 Sep 2023 01:43:50 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AADFF3 for ; Mon, 25 Sep 2023 22:43:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1695706983; 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: in-reply-to:in-reply-to:references:references; bh=6PTVVGgnSxG292uHCCvsYdfBj5DPcr+BlloC+r5OzIo=; b=jOZ5NdNKkfPMq29WMtbSBwdvL4h6eF0nIt/a0ln9aDbEALoy4bbAWkt+T3ZV1UgFuBdZf6 MzRU25K11JF5l3MyLz5H8e1Zcq3yoHM1YjtU4yKtSstbRo3WRE2l6gNXmU/t0TgHnfydit jt0Tq/nFy3bpGSD874vmwnhbvZcrNaU= Received: from mail-lf1-f71.google.com (mail-lf1-f71.google.com [209.85.167.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-528-RExIcTYVNqyDcgMRU--V9g-1; Tue, 26 Sep 2023 01:42:59 -0400 X-MC-Unique: RExIcTYVNqyDcgMRU--V9g-1 Received: by mail-lf1-f71.google.com with SMTP id 2adb3069b0e04-50433324cf3so10988387e87.3 for ; Mon, 25 Sep 2023 22:42:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695706977; x=1696311777; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=6PTVVGgnSxG292uHCCvsYdfBj5DPcr+BlloC+r5OzIo=; b=oFI157Hz5tArAjU4EhAxL2pSWKx7NieAbWvuhMbL7VwLXcZf94Dg0i40wE1XgBaqLt 21uzTIPRMh+yo1JuLjunthdb1uyerIoByohLAk+FgRdNvnQzkx7na6MHk/Fza9KlFru5 N1oHZ67obX/W1rprtqxLZXQqdReNuLGTV0My0AoPZydo0R3/8rN1NOdU+r2GUm1CBF/g i3TLsCkRhp3S12Zp+kyX8Rbdce+ynXM2Qg7ZvPYVn9gk0oO5n2xoAON7ZikeBwASXv2u rv5yZRD4A1XcjzZf0JXL+AnN6kDS6v5eHU9Vl7kgMG1TRbJAdGxw7fjFpSixTdLlbvyr 1WZw== X-Gm-Message-State: AOJu0YzLqY9+8t/VBfC66zlBH9lRLXTWeSr21oLiJI2fAuoh/bnC8Xtx 5tyqEd1iZ3bzJgrKaDmep2JyciZUM2m/h4nleuyAYa2oOb9cVagng5UnbccZKmJrmpdm5Lp1nQH nYBrjJ3KrvWbb7Gv8xJauRsQ= X-Received: by 2002:a05:6512:547:b0:4f8:7513:8cac with SMTP id h7-20020a056512054700b004f875138cacmr6549923lfl.48.1695706977472; Mon, 25 Sep 2023 22:42:57 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF3PKzs08RZrdyPVtt6kvBErYsZn9mRO+eRjTXkFSHQF1HStKvm+y1T3gseydhDZJdu84Zd2Q== X-Received: by 2002:a05:6512:547:b0:4f8:7513:8cac with SMTP id h7-20020a056512054700b004f875138cacmr6549909lfl.48.1695706977143; Mon, 25 Sep 2023 22:42:57 -0700 (PDT) Received: from redhat.com ([2.52.31.177]) by smtp.gmail.com with ESMTPSA id z15-20020a05640235cf00b00533fa47273fsm2642675edc.42.2023.09.25.22.42.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Sep 2023 22:42:56 -0700 (PDT) Date: Tue, 26 Sep 2023 01:42:52 -0400 From: "Michael S. Tsirkin" To: Jason Gunthorpe Cc: Jason Wang , Yishai Hadas , alex.williamson@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, parav@nvidia.com, feliu@nvidia.com, jiri@nvidia.com, kevin.tian@intel.com, joao.m.martins@oracle.com, leonro@nvidia.com, maorg@nvidia.com Subject: Re: [PATCH vfio 11/11] vfio/virtio: Introduce a vfio driver over virtio devices Message-ID: <20230926014005-mutt-send-email-mst@kernel.org> References: <20230921124331-mutt-send-email-mst@kernel.org> <20230921183926.GV13733@nvidia.com> <20230921150448-mutt-send-email-mst@kernel.org> <20230921194946.GX13733@nvidia.com> <20230922121132.GK13733@nvidia.com> <20230925122607.GW13733@nvidia.com> <20230925143708-mutt-send-email-mst@kernel.org> <20230926004059.GM13733@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230926004059.GM13733@nvidia.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Sep 25, 2023 at 09:40:59PM -0300, Jason Gunthorpe wrote: > On Mon, Sep 25, 2023 at 03:44:11PM -0400, Michael S. Tsirkin wrote: > > > VDPA is very different from this. You might call them both mediation, > > > sure, but then you need another word to describe the additional > > > changes VPDA is doing. > > > > Sorry about hijacking the thread a little bit, but could you > > call out some of the changes that are the most problematic > > for you? > > I don't really know these details. Maybe, you then should desist from saying things like "It entirely fails to achieve the most important thing it needs to do!" You are not making any new friends with saying this about a piece of software without knowing the details. -- MST