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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAEBFE810B5 for ; Wed, 27 Sep 2023 09:55:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230499AbjI0Jz2 (ORCPT ); Wed, 27 Sep 2023 05:55:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230461AbjI0Jz2 (ORCPT ); Wed, 27 Sep 2023 05:55:28 -0400 Received: from mail.8bytes.org (mail.8bytes.org [85.214.250.239]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id DCC0AEB; Wed, 27 Sep 2023 02:55:25 -0700 (PDT) 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: Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.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