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=-8.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 B461DC2D0A8 for ; Wed, 23 Sep 2020 17:23:14 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5185A21BE5 for ; Wed, 23 Sep 2020 17:23:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=xen.org header.i=@xen.org header.b="ODACv5qo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5185A21BE5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kL8TY-0006es-Rk; Wed, 23 Sep 2020 17:22:40 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kL8TX-0006em-Nd for xen-devel@lists.xenproject.org; Wed, 23 Sep 2020 17:22:39 +0000 X-Inumbo-ID: 7c50dd49-c6a8-4c5b-b457-ab470ff60ada Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 7c50dd49-c6a8-4c5b-b457-ab470ff60ada; Wed, 23 Sep 2020 17:22:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Subject; bh=fgHIzrb4VIdXQIhrutmIASpe+SQdpPmYIQan4CxD3q0=; b=ODACv5qowcBK0rUxDc+qzyXArn //9EpjRktiEuSejH8iOkE538CjpL5/TqXsn30Sx1ftwqY4eGAbr8lXSCqZsdVk+pWeETjjh4ACM0u HRNHlBt3FXViB6eXUgO04E20kKDDRZyia/USknujqREgTt3RMLhR5IiP0L0XGxhpKRo0=; Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kL8TR-000892-G5; Wed, 23 Sep 2020 17:22:33 +0000 Received: from [54.239.6.185] (helo=a483e7b01a66.ant.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1kL8TR-0004e9-5l; Wed, 23 Sep 2020 17:22:33 +0000 Subject: Re: [PATCH V1 01/16] x86/ioreq: Prepare IOREQ feature for making it common To: Oleksandr Tyshchenko , xen-devel@lists.xenproject.org Cc: Oleksandr Tyshchenko , Paul Durrant , Jan Beulich , Andrew Cooper , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Stefano Stabellini , Julien Grall References: <1599769330-17656-1-git-send-email-olekstysh@gmail.com> <1599769330-17656-2-git-send-email-olekstysh@gmail.com> From: Julien Grall Message-ID: <1e1bfa02-9de0-b3ba-d0c7-5796c942f737@xen.org> Date: Wed, 23 Sep 2020 18:22:30 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <1599769330-17656-2-git-send-email-olekstysh@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Hi, On 10/09/2020 21:21, Oleksandr Tyshchenko wrote: > From: Oleksandr Tyshchenko > > As a lot of x86 code can be re-used on Arm later on, this patch > prepares IOREQ support before moving to the common code. This way > we will get almost a verbatim copy for a code movement. FWIW, I agree with Jan that we need more details what and why you are going it. It would be worth considering to split in smaller patch. > > This support is going to be used on Arm to be able run device > emulator outside of Xen hypervisor. > > Signed-off-by: Julien Grall Usually the first signed-off is the author of the patch. However, this patch look quite far off from what I originally wrote. So I don't feel my signed-off-by is actually warrant here. If you want to credit me, then you can mention it in the commit message. > Signed-off-by: Oleksandr Tyshchenko > Cheers, -- Julien Grall