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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 13733C43461 for ; Fri, 28 Aug 2020 15:28:11 +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 DE222208FE for ; Fri, 28 Aug 2020 15:28:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DE222208FE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de 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 9A19C22FD5; Fri, 28 Aug 2020 15:28:10 +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 3J2A7xtS8hYG; Fri, 28 Aug 2020 15:28:05 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 0E61820378; Fri, 28 Aug 2020 15:28:05 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E0969C016F; Fri, 28 Aug 2020 15:28:04 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id C8A0FC0051 for ; Fri, 28 Aug 2020 15:28:03 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id C41C98612B for ; Fri, 28 Aug 2020 15:28:03 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id igh3XXBnVNPk for ; Fri, 28 Aug 2020 15:28:03 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 37281860B2 for ; Fri, 28 Aug 2020 15:28:03 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id E8DB1AEA5; Fri, 28 Aug 2020 15:28:33 +0000 (UTC) Date: Fri, 28 Aug 2020 17:27:59 +0200 From: "jroedel@suse.de" To: Felix Kuehling Subject: Re: [PATCH 0/2] iommu/amd: Fix IOMMUv2 devices when SME is active Message-ID: <20200828152759.GX3354@suse.de> References: <20200824105415.21000-1-joro@8bytes.org> <34db343f-cd23-09af-3bc5-29b9d385f85d@amd.com> <20200828134639.GW3354@suse.de> <60067932-dbf4-d67b-cf11-4dd2b016ed63@amd.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <60067932-dbf4-d67b-cf11-4dd2b016ed63@amd.com> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: "Lendacky, Thomas" , "linux-kernel@vger.kernel.org" , "iommu@lists.linux-foundation.org" , "Huang, Ray" , "Deucher, Alexander" , "Koenig, Christian" 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 Felix, On Fri, Aug 28, 2020 at 09:54:59AM -0400, Felix Kuehling wrote: > Yes, we're working on this. IOMMUv2 is only needed for KFD. It's not > needed for graphics. And we're making it optional for KFD as well. Okay, KFD should fail gracefully because it can't initialize the device's iommuv2 functionality. Regards, Joerg _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu