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 2E304C77B70 for ; Fri, 14 Apr 2023 07:05:26 +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 C3DBC2A82E for ; Fri, 14 Apr 2023 07:05:24 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id BBAF0986613 for ; Fri, 14 Apr 2023 07:05:24 +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 AD9B4984140; Fri, 14 Apr 2023 07:05:24 +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 9B545986600 for ; Fri, 14 Apr 2023 07:05:22 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: Yj2uvzLkPdCkDxlmYimrHg-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681455918; x=1684047918; h=in-reply-to:content-transfer-encoding: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=AvpFz4ZLqiK0qV8B0SfSQfts6ImbDOd/szejex6u3H4=; b=dO+kaZb6eOfr0x7df/62d8UkFr1oqYht3hjcuWawQBMgMZRLyrT1SrRcKr3wugUS80 +/+DyrccDj+QLaNYalEpLLM4SVz8rOiHgxZfvFlndIkN/uTUeWALvZI9LACLJhMEciEl sBXLog27GC8vGTT4A1Bdhdr3nzLmAFolGeOyQs2I2WGCoc1xHapx1e7yXfu5XTtgMdNu ZhoeqSjvugpF2xpkrkJDUp/I1mbFSLrU2avUw03lW5KdrQzV0GYnjRE0/TeGmR/EVuYO FVQY0FclTU/cLbSX2XmqD3eYYGt2mHeAHTQ+/oT27YZgP7+PLVXjF4OJ3HT7FTyQ2oA5 QdPQ== X-Gm-Message-State: AAQBX9dq/bPsKBg52Uz0uwBm8mr6y/Y4vX57HpMNTkglSobBVcG4Wc/s 6LpKUdZ1Niwi+wMCLmUbFV/j+IJLfmJT8ec+HmWkh8cHYiA2FGJ0O4UbneRUvxB0u+GKs19cZbw 3ESjJmNMl6E7kERnbcFWMNJ4aJb3s X-Received: by 2002:a1c:7901:0:b0:3f0:9562:cf56 with SMTP id l1-20020a1c7901000000b003f09562cf56mr3861294wme.3.1681455917870; Fri, 14 Apr 2023 00:05:17 -0700 (PDT) X-Google-Smtp-Source: AKy350Z6zuTa2nRf8B8CvF/Fmrc+JkL1Q1BYwtUcFCwLLoPQINfTCAbcah0PpoaB/K/A10XelVzsIg== X-Received: by 2002:a1c:7901:0:b0:3f0:9562:cf56 with SMTP id l1-20020a1c7901000000b003f09562cf56mr3861273wme.3.1681455917549; Fri, 14 Apr 2023 00:05:17 -0700 (PDT) Date: Fri, 14 Apr 2023 03:05:14 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: Jason Wang , "virtio-dev@lists.oasis-open.org" , "cohuck@redhat.com" , "virtio-comment@lists.oasis-open.org" , Shahaf Shuler , Satananda Burla , Maxime Coquelin , Yan Vugenfirer Message-ID: <20230414030103-mutt-send-email-mst@kernel.org> References: <20230413130326-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Subject: [virtio-dev] Re: [virtio-comment] Re: [PATCH 09/11] transport-pci: Describe PCI MMR dev config registers On Fri, Apr 14, 2023 at 03:51:01AM +0000, Parav Pandit wrote: > > > > From: Jason Wang > > Sent: Thursday, April 13, 2023 11:38 PM > > > > > 1) spec doesn't enforce the size of a specific structure > > > Spec will be extended in coming time. > > > > It's too late to do any new restriction without introducing a flag. > We are really diverging from the topic. > I don’t think it is late. The work in this area of PCI VF has not even begun fully. I think Jason means that any new feature needs some kind of approach for compatibility, given a huge installed base, a flag day where all old drivers stop working on new devices does not look acceptable to him. -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org