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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 16A9DE810B2 for ; Wed, 27 Sep 2023 09:55:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KKdR5lWm6yC+VvABiFUgWvfkU4HerYDpIG9foLq1pzc=; b=V7RdMdER72dBsqGQu5SnzroYZ5 CZSVd0GwOE0c1IL/rxsJ0lAJwHREwHEarxaTJ3YKQ7uOEib1AXPvr7DNTRYCkxhvLPY79/rPBa1tv xOQlcv7tJ4LGghSY5B7gCbvkbwa/6aCzwX7RgUjbPGNv2LC5Zd1+4P17lW+4ZTCYcvgbi1ZHhgJy/ x77c5qVdclMhKfp2aWs02k2Jhps+yHGSVwRV/A3mY4NeRLv3Y/ey1TL0wrPQV7Wfv7y/PdbXV59mx FDHksZwrxD4i5ym+8GusaGcUPRqi8VgwTWnFl+lWbV6pMWDG99d/cshTeqhdhFQjqRUrE8LZ8cAdm 0kb2JfKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qlRGU-000Xaq-2d; Wed, 27 Sep 2023 09:55:30 +0000 Received: from mail.8bytes.org ([2a01:238:42d9:3f00:e505:6202:4f0c:f051]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qlRGR-000XZY-2B; Wed, 27 Sep 2023 09:55:29 +0000 Received: from 8bytes.org (pd9fe9df8.dip0.t-ipconnect.de [217.254.157.248]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.8bytes.org (Postfix) with ESMTPSA id 4F8C51A2317; Wed, 27 Sep 2023 11:55:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=8bytes.org; s=default; t=1695808524; bh=BDI7NuvcdVt/emhHi62PabcawiLywtBEcxLt+G847YM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bJ/0NZxxI8l619eMViTN7wFColaAK2C1MPyqL9FW/o8oWbcGgurcTymg7qYfnv2Za 8eFN6JofYvpBcVna5x6SdpHz5PZL8hmEwxDQgaep3/HiQgeUWy4U5YHirYA1sszR8J e7ewyfn2eCMIYpUr+BrGwz67R3IjLc410DYmaJiPyv+1Fc53ag6teNCgufMzfRTaYd X+RQSNMGK+8w3hxgWaYEpnjqVeyU+g+qhDc5yTY7Quvw9wkOxUIXHcLEN3aJmQIMvW 2RoCQvwl2aQDtZF06zge3qV3VdPsrkOYdzHaaS7L2KgRXAKDke4iUYkX7n/e0UMIYo xLYhyuiRZPN8g== Date: Wed, 27 Sep 2023 11:55:22 +0200 From: Joerg Roedel To: Niklas Schnelle Cc: Jason Gunthorpe , Matthew Rosato , Will Deacon , Wenjia Zhang , Robin Murphy , Gerd Bayer , Julian Ruess , Pierre Morel , Alexandra Winter , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Suravee Suthikulpanit , Hector Martin , Sven Peter , Alyssa Rosenzweig , David Woodhouse , Lu Baolu , Andy Gross , Bjorn Andersson , Konrad Dybcio , Yong Wu , Matthias Brugger , AngeloGioacchino Del Regno , Gerald Schaefer , Orson Zhai , Baolin Wang , Chunyan Zhang , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Thierry Reding , Krishna Reddy , Jonathan Hunter , Jonathan Corbet , linux-s390@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH v12 0/6] iommu/dma: s390 DMA API conversion and optimized IOTLB flushing Message-ID: References: <20230825-dma_iommu-v12-0-4134455994a7@linux.ibm.com> <20230926160832.GM13795@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230927_025527_961370_7E30DA31 X-CRM114-Status: GOOD ( 11.27 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi Niklas, On Wed, Sep 27, 2023 at 10:55:23AM +0200, Niklas Schnelle wrote: > The problem is that something seems to be broken in the iommu/core > branch. Regardless of whether I have my DMA API conversion on top or > with the base iommu/core branch I can not use ConnectX-4 VFs. Have you already tried to bisect the issue in the iommu/core branch? The result might sched some light on the issue. Regards, Joerg