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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 9CCF3C4363D for ; Thu, 24 Sep 2020 10:34:56 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 5539823772 for ; Thu, 24 Sep 2020 10:34:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5539823772 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id E3A22204BD; Thu, 24 Sep 2020 10:34:55 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LU84u6WQ36yZ; Thu, 24 Sep 2020 10:34:53 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id E1E0A228BD; Thu, 24 Sep 2020 10:34:52 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D14D7C0889; Thu, 24 Sep 2020 10:34:52 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2D800C0051 for ; Thu, 24 Sep 2020 10:34:52 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 267C286B9E for ; Thu, 24 Sep 2020 10:34:52 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bKPzCZwuFIqr for ; Thu, 24 Sep 2020 10:34:51 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by whitealder.osuosl.org (Postfix) with ESMTPS id 8674086BA8 for ; Thu, 24 Sep 2020 10:34:51 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id C40D5295; Thu, 24 Sep 2020 12:34:49 +0200 (CEST) Date: Thu, 24 Sep 2020 12:34:48 +0200 From: Joerg Roedel To: Suravee Suthikulpanit Subject: Re: [PATCH 00/13] iommu: amd: Add Generic IO Page Table Framework Support Message-ID: <20200924103448.GO27174@8bytes.org> References: <20200923101442.73157-1-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200923101442.73157-1-suravee.suthikulpanit@amd.com> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Hi Suravee, On Wed, Sep 23, 2020 at 10:14:29AM +0000, Suravee Suthikulpanit wrote: > The framework allows callable implementation of IO page table. > This allows AMD IOMMU driver to switch between different types > of AMD IOMMU page tables (e.g. v1 vs. v2). Is there a reason you created your own framework, there is already an io-pgtable framework for ARM, maybe that can be reused? Regards, Joerg _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu