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 E0D89EDE98F for ; Thu, 14 Sep 2023 08:25:24 +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 3FA0D45B37 for ; Thu, 14 Sep 2023 08:25:24 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 1C036986651 for ; Thu, 14 Sep 2023 08:25:24 +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 0FE49986640; Thu, 14 Sep 2023 08:25:24 +0000 (UTC) Mailing-List: contact virtio-dev-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 F2EEA986639; Thu, 14 Sep 2023 08:25:19 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-IronPort-AV: E=McAfee;i="6600,9927,10832"; a="376223473" X-IronPort-AV: E=Sophos;i="6.02,145,1688454000"; d="scan'208";a="376223473" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10832"; a="721156958" X-IronPort-AV: E=Sophos;i="6.02,145,1688454000"; d="scan'208";a="721156958" Message-ID: <0ac9a767-4c68-ac1e-df97-a23ed0bfbc4f@intel.com> Date: Thu, 14 Sep 2023 16:24:56 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.15.1 Content-Language: en-US To: Parav Pandit , Jason Wang Cc: "Michael S. Tsirkin" , "eperezma@redhat.com" , "cohuck@redhat.com" , "stefanha@redhat.com" , "virtio-comment@lists.oasis-open.org" , "virtio-dev@lists.oasis-open.org" References: <20230906081637.32185-1-lingshan.zhu@intel.com> <7cc22be6-f984-ba53-5979-0306a118a6df@intel.com> <5449424a-4872-0164-0c3f-caa34ad46388@intel.com> <4c4c2478-c90b-fb5b-cc06-bc74293862b9@intel.com> <85b1670b-5094-cdb8-fde9-1a9c0906f094@intel.com> <7abce4d9-4762-dcad-6fdf-068588ebb3d9@intel.com> <5cc89852-72b7-b79b-10e5-7fd62a921fe4@intel.com> From: "Zhu, Lingshan" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: [virtio-dev] Re: [virtio-comment] [PATCH 5/5] virtio-pci: implement VIRTIO_F_QUEUE_STATE On 9/13/2023 12:39 PM, Parav Pandit wrote: >> From: Zhu, Lingshan >> Sent: Wednesday, September 13, 2023 9:52 AM >>> It should be named as SUSPEND_CFG_SPACE.! >>> All of this frankly seems intrusive enough as Michael pointed out. >>> Good luck. >> it also SUSPEND the data-path > Ok so it works like Suspend of English dictionary, then after that any other VQ related commands don’t progress. > Because it is suspended. After suspend, the vqs should not consume more buffers, and should 1)track in-flight descriptors(will be added in next version) 2)Or wait until all in-flight descriptors finish, mark them used and flush --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org