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=-8.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 B4C54C433E7 for ; Sun, 11 Oct 2020 14:33:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6861120773 for ; Sun, 11 Oct 2020 14:33:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ebEzarZJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388010AbgJKOda (ORCPT ); Sun, 11 Oct 2020 10:33:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388008AbgJKOda (ORCPT ); Sun, 11 Oct 2020 10:33:30 -0400 Received: from mail-oo1-xc41.google.com (mail-oo1-xc41.google.com [IPv6:2607:f8b0:4864:20::c41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2535EC0613CE; Sun, 11 Oct 2020 07:33:30 -0700 (PDT) Received: by mail-oo1-xc41.google.com with SMTP id y127so3477852ooa.5; Sun, 11 Oct 2020 07:33:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=/DdKNaZCvAXe1mNXdt0/1kR2PVkkrse0hpve2MhxkBE=; b=ebEzarZJB8d27LWIHE8Q1yP2hEHdAZD5eb/un8vIUzebipa1GcUkA1bhvhILdTcCfz djTVdZZ06H0Y6jZhxfBuk1Wh/tVHdgQ0ENI3npxg8Ho5H/WpqtzDZXXhSQYh5zTalwvV Tjq+oHHTbhEJ8Mbo3ka1lj+h+J7ZcvVj7P2Rb629iKp/H+o/bXTL82VKMjdwTUElzqE/ V7O/dNfRJG2EKAGcadQ8a0GmFQYhOZYMyf8DizsLGtTVm+7smiTcLuQ0wWTHzOZzqOEo wYXHr3q7XdXXTHV4HLJJbzIlGgS45nn8ti5F4+73KVLq20eWVhVOOG2XQKiGa2CM3luu 1qBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=/DdKNaZCvAXe1mNXdt0/1kR2PVkkrse0hpve2MhxkBE=; b=lc9ISKkzOboxO5hra/zmhkHf4O5aiuz3U829oS/D0Gc/MNn9f0iJz+EJnolR2P30jy buahk0pbPBE/U4SwOw/vMA/u5jFiHtyOpYw8lCbADjN5cs/5Ij48nbyGFymo9lDRvTn2 evTotIRJSlSk5sKMVeMNP+XfTrqOguegM8ZAZraJzKNQFmYdiOojKP4ao+WEzmSzJU1X W1ue89VJ60kPR88jXF2xCZyFAehkSVP1fowQCaHLJ2MsiuObsAXIjxM7mq70cypaTYpQ 9sP7YjwViSvj7EqQyyLp3EnDcBGoa0/PiJVvYo1ZnuZ7y0VGCCi/uIxxs1FLFt2kt4Gz 3NMQ== X-Gm-Message-State: AOAM532yDBooJCjo0cq1D5IZycwGywz/I9OSM7inUXds8xFRqOSISNEj odwjWGQAhG3BmzeE93e2mRE= X-Google-Smtp-Source: ABdhPJxVMW33cBvb5/pwyVhvf9ggu1NFIoXlPLh0PJLClQVmOH6o5GIQPIkFizFqz/dPccsXGzTgKw== X-Received: by 2002:a4a:7055:: with SMTP id b21mr15610080oof.26.1602426808981; Sun, 11 Oct 2020 07:33:28 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id y51sm219117otb.47.2020.10.11.07.33.28 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sun, 11 Oct 2020 07:33:28 -0700 (PDT) Sender: Guenter Roeck Date: Sun, 11 Oct 2020 07:33:27 -0700 From: Guenter Roeck To: Christoph Hellwig Cc: iommu@lists.linux-foundation.org, Russell King , Sekhar Nori , Marek Szyprowski , Robin Murphy , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org Subject: Re: [PATCH 1/9] dma-mapping: split Message-ID: <20201011143327.GA251807@roeck-us.net> References: <20200930085548.920261-1-hch@lst.de> <20200930085548.920261-2-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200930085548.920261-2-hch@lst.de> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Wed, Sep 30, 2020 at 10:55:40AM +0200, Christoph Hellwig wrote: > Split out all the bits that are purely for dma_map_ops implementations > and related code into a new header so that they > don't get pulled into all the drivers. That also means the architecture > specific is not pulled in by > any more, which leads to a missing includes that were pulled in by the > x86 or arm versions in a few not overly portable drivers. > > Signed-off-by: Christoph Hellwig This patch results in the following build error. Building arm:ixp4xx_defconfig ... failed -------------- Error log: arch/arm/mach-ixp4xx/common.c: In function 'ixp4xx_platform_notify_remove': arch/arm/mach-ixp4xx/common.c:291:3: error: implicit declaration of function 'dmabounce_unregister_dev' [-Werror=implicit-function-declaration] 291 | dmabounce_unregister_dev(dev); | ^~~~~~~~~~~~~~~~~~~~~~~~ arch/arm/mach-ixp4xx/common.c: In function 'ixp4xx_platform_notify': arch/arm/mach-ixp4xx/common.c:307:3: error: implicit declaration of function 'dmabounce_register_dev' [-Werror=implicit-function-declaration] 307 | dmabounce_register_dev(dev, 2048, 4096, ixp4xx_needs_bounce); Bisect log attached. Guenter --- # bad: [d67bc7812221606e1886620a357b13f906814af7] Add linux-next specific files for 20201009 # good: [549738f15da0e5a00275977623be199fbbf7df50] Linux 5.9-rc8 git bisect start 'HEAD' 'v5.9-rc8' # bad: [b71be15b496cc71a3434a198fc1a1b9e08af6c57] Merge remote-tracking branch 'bpf-next/master' into master git bisect bad b71be15b496cc71a3434a198fc1a1b9e08af6c57 # bad: [6be11f939f380ef14bc94242cb0262197ce2a054] Merge remote-tracking branch 'i2c/i2c/for-next' into master git bisect bad 6be11f939f380ef14bc94242cb0262197ce2a054 # bad: [c03a115d8ad8a87b6d275c3c91c13bc111217bf6] Merge remote-tracking branch 'samsung-krzk/for-next' into master git bisect bad c03a115d8ad8a87b6d275c3c91c13bc111217bf6 # good: [4f7233567480421eab9c622f395854bfd925f9f2] Merge branch 'arm/dt' into for-next git bisect good 4f7233567480421eab9c622f395854bfd925f9f2 # bad: [0fa3d3941f0f9fc9b39621af3309b5fdf0c1a6cb] Merge remote-tracking branch 'arm/for-next' into master git bisect bad 0fa3d3941f0f9fc9b39621af3309b5fdf0c1a6cb # good: [1357d119df6c359a2903a46522c2511d990db9bb] Merge remote-tracking branch 'sound-current/for-linus' into master git bisect good 1357d119df6c359a2903a46522c2511d990db9bb # good: [bd02811392faa248d95f8559498c03933eb7d78b] Merge remote-tracking branch 'kspp-gustavo/for-next/kspp' into master git bisect good bd02811392faa248d95f8559498c03933eb7d78b # bad: [0b1abd1fb7efafc25231c54a67c6fbb3d3127efd] dma-mapping: merge into git bisect bad 0b1abd1fb7efafc25231c54a67c6fbb3d3127efd # good: [b9bb694b9f62f4b31652223ed3ca38cf98bbb370] iommu/io-pgtable-arm: Clean up faulty sanity check git bisect good b9bb694b9f62f4b31652223ed3ca38cf98bbb370 # good: [ed4bc1890b4984d0af447ad3cc1f93541623f8f3] hal2: convert to dma_alloc_noncoherent git bisect good ed4bc1890b4984d0af447ad3cc1f93541623f8f3 # good: [e8d39a903cc680c8c1ab5e528428f182f42b8a35] dma-iommu: implement ->alloc_noncoherent git bisect good e8d39a903cc680c8c1ab5e528428f182f42b8a35 # bad: [0a0f0d8be76dcd4390ff538e7060fda34db79717] dma-mapping: split git bisect bad 0a0f0d8be76dcd4390ff538e7060fda34db79717 # good: [0de327969b61a245e3a47b60009eae73fe513cef] cma: decrease CMA_ALIGNMENT lower limit to 2 git bisect good 0de327969b61a245e3a47b60009eae73fe513cef # first bad commit: [0a0f0d8be76dcd4390ff538e7060fda34db79717] dma-mapping: split