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 smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 658E7C43334 for ; Thu, 23 Jun 2022 08:12:21 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id E23C940566; Thu, 23 Jun 2022 08:12:20 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org E23C940566 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9QF12SvyeiS6; Thu, 23 Jun 2022 08:12:20 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id B60F140541; Thu, 23 Jun 2022 08:12:19 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org B60F140541 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 85100C0032; Thu, 23 Jun 2022 08:12:19 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 56E32C002D for ; Thu, 23 Jun 2022 08:12:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 2B6944055F for ; Thu, 23 Jun 2022 08:12:18 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 2B6944055F X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id m53VipsxzC7T for ; Thu, 23 Jun 2022 08:12:17 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 8E5654055A Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by smtp2.osuosl.org (Postfix) with ESMTPS id 8E5654055A for ; Thu, 23 Jun 2022 08:12:17 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id 6BAFD447; Thu, 23 Jun 2022 10:12:15 +0200 (CEST) Date: Thu, 23 Jun 2022 10:12:13 +0200 From: Joerg Roedel To: Vasant Hegde Subject: Re: [PATCH v1 7/7] iommu/amd: Introduce amd_iommu_pgtable command-line option Message-ID: References: <20220603112107.8603-1-vasant.hegde@amd.com> <20220603112107.8603-8-vasant.hegde@amd.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220603112107.8603-8-vasant.hegde@amd.com> Cc: iommu@lists.linux-foundation.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" On Fri, Jun 03, 2022 at 04:51:07PM +0530, Vasant Hegde wrote: > + amd_iommu_pgtable= [HW,X86-64] > + Specifies one of the following AMD IOMMU page table to > + be used for DMA remapping for DMA-API: > + v1 - Use v1 page table (Default) > + v2 - Use v2 page table > + Can we handle this somehow in the amd_iommu= option? Something like amd_iommu=pgtbl_v2|pgtbl_v1? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu