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 ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2E3F3CDB46E for ; Thu, 12 Oct 2023 11:17:51 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id 8CCE98508F for ; Thu, 12 Oct 2023 11:17:50 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 630D798683D for ; Thu, 12 Oct 2023 11:17:50 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id 4728F986474; Thu, 12 Oct 2023 11:17:50 +0000 (UTC) Mailing-List: contact virtio-comment-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 374E898660E for ; Thu, 12 Oct 2023 11:17:48 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: kjvIIUnPMwaWa0EPbtg5GQ-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697109464; x=1697714264; 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=x5DQ3RtuYLGbwlRfz4Iqa3ZqZTgc1xk72GaSIL7R6uc=; b=wuHJjJIYvhtfSWf79s+sZuDYuW4iGHYOlGqvdUmS+ao9TJ8gP5qgw6WIjVctic/AMU xoJvnWXzGKFXYcF/Dy01mAdiAhqNcWL97CiWsVAvAYvFz4GtntI6Ofm6DRo31qtUAL/R Otg5MoZsK5a1iX4sM9b/8Z4ELkwn+dZCbCEuXuVjdzJ7uDDlJVCdvf8/OzRc8FNYiUB0 sVk+AkrssICluPiugci4BjuU/UgeK5b/j2y13wZjhREcty3Y5yn50mt4fRf1lHiOUSlg ZI74DTWbWluB74x0Sl4/Cy2Yq8HDJIEHzxwF6m91pknihGCGo+tKA8ARNSjYiHy+h2RQ nQPg== X-Gm-Message-State: AOJu0YyOVOHf5JiIs+ZjucVBOxgLcY9P6KyN6uId8BgfZSvDXNX5Wzlr rJTwneLxqymSnM8KUeputu4QGPc+nTnF+3/fvDQzKFGxwQT9ucyCwsdep+zYXqEJjbHzOwLD+YN yMaeom15ytXVpumhiq6q0R9T5FhhmoPRd8g== X-Received: by 2002:a1c:7419:0:b0:406:7d74:a2a6 with SMTP id p25-20020a1c7419000000b004067d74a2a6mr21324947wmc.24.1697109463897; Thu, 12 Oct 2023 04:17:43 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFY4qTLNAgfCOKU4Wy9NPnaFjtxbjprJLFwy4g7RdhilOnhXYw3d1MHRLo/Li96KIm96bLgBw== X-Received: by 2002:a1c:7419:0:b0:406:7d74:a2a6 with SMTP id p25-20020a1c7419000000b004067d74a2a6mr21324934wmc.24.1697109463598; Thu, 12 Oct 2023 04:17:43 -0700 (PDT) Date: Thu, 12 Oct 2023 07:17:39 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: "Zhu, Lingshan" , Jason Wang , "virtio-comment@lists.oasis-open.org" , "cohuck@redhat.com" , "sburla@marvell.com" , Shahaf Shuler , Maor Gottlieb , Yishai Hadas Message-ID: <20231012071355-mutt-send-email-mst@kernel.org> References: <20231009121638-mutt-send-email-mst@kernel.org> <25375529-9c40-9ea9-692e-f557c514c72f@intel.com> <97aa9108-0715-2483-f5cf-02698c745d60@intel.com> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: Re: [virtio-comment] [PATCH v1 1/8] admin: Add theory of operation for device migration On Thu, Oct 12, 2023 at 10:58:14AM +0000, Parav Pandit wrote: > Sure, as I explained the config register method do not work for passthrough mode, and does not scale. And on the flip side, to be frank not everyone has huge guests and numbers of VMs and a slower memory mapped interface for small devices might make sense. What we need to do though is make this a small non-intrusive part since it's not clear such embedded cases even need live migration. This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. In order to verify user consent to the Feedback License terms and to minimize spam in the list archive, subscription is required before posting. Subscribe: virtio-comment-subscribe@lists.oasis-open.org Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org List help: virtio-comment-help@lists.oasis-open.org List archive: https://lists.oasis-open.org/archives/virtio-comment/ Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists Committee: https://www.oasis-open.org/committees/virtio/ Join OASIS: https://www.oasis-open.org/join/