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=-4.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 0B9CDC07E96 for ; Thu, 15 Jul 2021 06:55:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D2FEF6115B for ; Thu, 15 Jul 2021 06:54:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D2FEF6115B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=g/cp4bHISk7B910o8KH1odxmKtkRixkaOua4jsCUNh4=; b=kFth78ShOTKHij mgL9kXAav98FvB7IZSn8qPrn88JFJc9zLZuaknVXO1cPJiRYFEKgiHU6FuigioAaTP4YhatICuM7+ yIhHRIBFAmKgGQMLUnXuUcho99VuK1OS6vgaY7X+wz6QyOazQstuEldyDmVSD3JW5HTfAKhdS591u tF9EdP2G4dqHVkkF3/b64E7b0a8ewtbbnwDc3IyamTNO0WyhKE5fzXGCOObXlLneZuSTesJbM7wWy gvQ+eiAjo8J5KwnSGFn5ltn0IPW0+nO83YbkWCbZcLV9QNbp8uVEzNvQIDYnaXTijYnqmM4hj4x18 sUBpJ6WGikvRhKY+PE0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3vEm-00HKUi-DG; Thu, 15 Jul 2021 06:52:48 +0000 Received: from 8bytes.org ([2a01:238:4383:600:38bc:a715:4b6d:a889] helo=theia.8bytes.org) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3vEh-00HKSD-J5 for linux-arm-kernel@lists.infradead.org; Thu, 15 Jul 2021 06:52:45 +0000 Received: by theia.8bytes.org (Postfix, from userid 1000) id 0D83D352; Thu, 15 Jul 2021 08:52:40 +0200 (CEST) Date: Thu, 15 Jul 2021 08:52:33 +0200 From: Joerg Roedel To: Arnd Bergmann Cc: Robin Murphy , Sven Peter , Will Deacon , DTML , Hector Martin , Linux Kernel Mailing List , Marc Zyngier , Mohamed Mediouni , Stan Skowronek , Linux ARM , Mark Kettenis , "open list:IOMMU DRIVERS" , Alexander Graf , Alyssa Rosenzweig , Rob Herring , Rouven Czerwinski Subject: Re: [PATCH v4 0/3] Apple M1 DART IOMMU driver Message-ID: References: <20210627143405.77298-1-sven@svenpeter.dev> <7261df01-34a9-4e53-37cd-ae1aa15b1fb4@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210714_235243_814498_27B29CAA X-CRM114-Status: UNSURE ( 8.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jul 14, 2021 at 10:51:34PM +0200, Arnd Bergmann wrote: > The question is how we can best allow one but not the other. By only allowing to allocate domains of type IDENTITY and DMA, but fail to allocate UNMANAGED domains. Regards, Joerg _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel