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=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 0C4CFC433DB for ; Thu, 18 Feb 2021 10:34:58 +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 8E89D64DE8 for ; Thu, 18 Feb 2021 10:34:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8E89D64DE8 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 list by lists.xenproject.org with outflank-mailman.86529.162561 (Exim 4.92) (envelope-from ) id 1lCgdk-0001TP-T5; Thu, 18 Feb 2021 10:34:32 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 86529.162561; Thu, 18 Feb 2021 10:34:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lCgdk-0001TI-Pq; Thu, 18 Feb 2021 10:34:32 +0000 Received: by outflank-mailman (input) for mailman id 86529; Thu, 18 Feb 2021 10:34:30 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lCgdi-0001TD-Sp for xen-devel@lists.xenproject.org; Thu, 18 Feb 2021 10:34:30 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lCgdh-0003cD-RC; Thu, 18 Feb 2021 10:34:29 +0000 Received: from [54.239.6.188] (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 1lCgdh-0003KJ-Ja; Thu, 18 Feb 2021 10:34:29 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" 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=/thO9y/7clmp/qafZw7NmxL30/2KKyrk1CbITDs9Fx8=; b=0L2RFhHHuDdjx5lhgg1O06vmsg 8cpJ1mjnKsh1YdqqLzKQSREaXvCumixWy3ccu9XA6Q8IP1k1jqmdnsXMjq5gQxWPoE4LsgxnlE8i4 mciCWg8zxwMnYacKrpWIKQxvpdh5PN6Qz2bOUDCeCJpwnDgUGH3Y3Ub5Scvrl1myUxG8=; Subject: Re: [RFC] xen/arm: introduce XENFEAT_ARM_dom0_iommu To: Stefano Stabellini Cc: xen-devel@lists.xenproject.org, Bertrand.Marquis@arm.com, Volodymyr_Babchuk@epam.com, rahul.singh@arm.com References: <2d22d5b8-6cda-f27b-e938-4806b65794a5@xen.org> From: Julien Grall Message-ID: Date: Thu, 18 Feb 2021 10:34:27 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Hi Stefano, On 17/02/2021 23:54, Stefano Stabellini wrote: > On Wed, 17 Feb 2021, Julien Grall wrote: >> On 17/02/2021 02:00, Stefano Stabellini wrote: > > I saw that the topic has generated quite a bit of discussion. I suggest > we keep gathering data and do brainstorming on the thread for a few days > and in the meantime schedule a call for late next week to figure out a > way forward? I forgot to answer to this bit, sorry. I am happy to have a call about this. Cheers, -- Julien Grall