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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 2ECF4C433E1 for ; Wed, 3 Jun 2020 23:44:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B241207D3 for ; Wed, 3 Jun 2020 23:44:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sFtYlr5l" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726154AbgFCXoY (ORCPT ); Wed, 3 Jun 2020 19:44:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725968AbgFCXoX (ORCPT ); Wed, 3 Jun 2020 19:44:23 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D046C08C5C0; Wed, 3 Jun 2020 16:44:22 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id d66so2501254pfd.6; Wed, 03 Jun 2020 16:44:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=iMGuXMVQiv7UgbkPm8eC8kQZAJ0MUYH46WoZTblPmJs=; b=sFtYlr5lUu3A+vGlnkzOzGsfgV7sioQD+yk+Mmk5E/GexGkiZRAJqB+eky3fdSL93f G7o4uLkkXj7Z7+qLf2TE2JgfAe+8aIgICwrubt6FDAAM+tHXFdZFvmPsRq1S5YcwuiUr psmSbBUfdhvw2xxnlebHQO6g8+I79YfDx55Z9QOq6mg3XzuCVEiXBLThMah7SU805t2d RkfvineMwYGS92FKhF2NAsqGacZDMca9L6kNCsWqskPbR6qOzvyqkzBarr1BkPDgIzF3 5T0QlcNMyD3IXp0PIdtwbHn7eeEx+K0ktwAveUOuJcorua0X762nM9CzfBpUqLE37zY5 kpZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=iMGuXMVQiv7UgbkPm8eC8kQZAJ0MUYH46WoZTblPmJs=; b=Se75D++mT9aB3YnTPeptua3fPPETdOQOD4SZucWq0DM3Izh/JvtygNkX5PmoCQC541 p+TvWUuPGQGC1JW5vizj21FX3hqC1fFj30+KJ89WbR+Dwp7y84Gn79NI6vn96gMU8ZFS uT4U8uRXKxUpzjp84HqjXqWEAhuAOTdWrppEQpv5xxCCGzs888aMfvmhRYrTFTU/q25/ Px05bAeakEaoKZj8BA2IGmq3yVdeqdiyPclxix2IOFbRTwhqQjvuffEJo9H+ZOfjQub+ x6ImhmRCoM8+XIZsOuwbuWCtIeGmoHKicgTAaUEo/12OUEO3dlgM5UUkL8LTfkNdE5O5 ZS9A== X-Gm-Message-State: AOAM530BTwClD758NrN6g+e4BNspyFc7g90u+A0CrnqSTYRYDtdc3ncm J0jbobWVTxrCQyL0RVti63gMh9ym X-Google-Smtp-Source: ABdhPJw5wgn4TYVBgk1wy0xKz4/d6ZcvskV+gi4p7qWrcgOf9aZoL3+wszzBHxawOMQj/gNcix2FnQ== X-Received: by 2002:aa7:9d9a:: with SMTP id f26mr1433728pfq.229.1591227861622; Wed, 03 Jun 2020 16:44:21 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id d7sm1102423pfh.78.2020.06.03.16.44.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Jun 2020 16:44:20 -0700 (PDT) Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice To: Ira Weiny , Andrew Morton , Mike Rapoport Cc: linux-kernel@vger.kernel.org, Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Chris Zankel , Max Filippov , Dan Williams , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dri-devel@lists.freedesktop.org, Christian Koenig , Al Viro , Christoph Hellwig References: <20200507150004.1423069-8-ira.weiny@intel.com> <20200518184843.3029640-1-ira.weiny@intel.com> <20200519165422.GA5838@roeck-us.net> <20200519184031.GB3356843@iweiny-DESK2.sc.intel.com> <20200519194215.GA71941@roeck-us.net> <20200520051315.GA3660833@iweiny-DESK2.sc.intel.com> <20200521174250.GB176262@iweiny-DESK2.sc.intel.com> <20200603135736.e7b5ded0082a81ae6d9067a0@linux-foundation.org> <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; keydata= xsFNBE6H1WcBEACu6jIcw5kZ5dGeJ7E7B2uweQR/4FGxH10/H1O1+ApmcQ9i87XdZQiB9cpN RYHA7RCEK2dh6dDccykQk3bC90xXMPg+O3R+C/SkwcnUak1UZaeK/SwQbq/t0tkMzYDRxfJ7 nyFiKxUehbNF3r9qlJgPqONwX5vJy4/GvDHdddSCxV41P/ejsZ8PykxyJs98UWhF54tGRWFl 7i1xvaDB9lN5WTLRKSO7wICuLiSz5WZHXMkyF4d+/O5ll7yz/o/JxK5vO/sduYDIlFTvBZDh gzaEtNf5tQjsjG4io8E0Yq0ViobLkS2RTNZT8ICq/Jmvl0SpbHRvYwa2DhNsK0YjHFQBB0FX IdhdUEzNefcNcYvqigJpdICoP2e4yJSyflHFO4dr0OrdnGLe1Zi/8Xo/2+M1dSSEt196rXaC kwu2KgIgmkRBb3cp2vIBBIIowU8W3qC1+w+RdMUrZxKGWJ3juwcgveJlzMpMZNyM1jobSXZ0 VHGMNJ3MwXlrEFPXaYJgibcg6brM6wGfX/LBvc/haWw4yO24lT5eitm4UBdIy9pKkKmHHh7s jfZJkB5fWKVdoCv/omy6UyH6ykLOPFugl+hVL2Prf8xrXuZe1CMS7ID9Lc8FaL1ROIN/W8Vk BIsJMaWOhks//7d92Uf3EArDlDShwR2+D+AMon8NULuLBHiEUQARAQABzTJHdWVudGVyIFJv ZWNrIChMaW51eCBhY2NvdW50KSA8bGludXhAcm9lY2stdXMubmV0PsLBgQQTAQIAKwIbAwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4ACGQEFAlVcphcFCRmg06EACgkQyx8mb86fmYFg0RAA nzXJzuPkLJaOmSIzPAqqnutACchT/meCOgMEpS5oLf6xn5ySZkl23OxuhpMZTVX+49c9pvBx hpvl5bCWFu5qC1jC2eWRYU+aZZE4sxMaAGeWenQJsiG9lP8wkfCJP3ockNu0ZXXAXwIbY1O1 c+l11zQkZw89zNgWgKobKzrDMBFOYtAh0pAInZ9TSn7oA4Ctejouo5wUugmk8MrDtUVXmEA9 7f9fgKYSwl/H7dfKKsS1bDOpyJlqhEAH94BHJdK/b1tzwJCFAXFhMlmlbYEk8kWjcxQgDWMu GAthQzSuAyhqyZwFcOlMCNbAcTSQawSo3B9yM9mHJne5RrAbVz4TWLnEaX8gA5xK3uCNCeyI sqYuzA4OzcMwnnTASvzsGZoYHTFP3DQwf2nzxD6yBGCfwNGIYfS0i8YN8XcBgEcDFMWpOQhT Pu3HeztMnF3HXrc0t7e5rDW9zCh3k2PA6D2NV4fews9KDFhLlTfCVzf0PS1dRVVWM+4jVl6l HRIAgWp+2/f8dx5vPc4Ycp4IsZN0l1h9uT7qm1KTwz+sSl1zOqKD/BpfGNZfLRRxrXthvvY8 BltcuZ4+PGFTcRkMytUbMDFMF9Cjd2W9dXD35PEtvj8wnEyzIos8bbgtLrGTv/SYhmPpahJA l8hPhYvmAvpOmusUUyB30StsHIU2LLccUPPOwU0ETofVZwEQALlLbQeBDTDbwQYrj0gbx3bq 7kpKABxN2MqeuqGr02DpS9883d/t7ontxasXoEz2GTioevvRmllJlPQERVxM8gQoNg22twF7 pB/zsrIjxkE9heE4wYfN1AyzT+AxgYN6f8hVQ7Nrc9XgZZe+8IkuW/Nf64KzNJXnSH4u6nJM J2+Dt274YoFcXR1nG76Q259mKwzbCukKbd6piL+VsT/qBrLhZe9Ivbjq5WMdkQKnP7gYKCAi pNVJC4enWfivZsYupMd9qn7Uv/oCZDYoBTdMSBUblaLMwlcjnPpOYK5rfHvC4opxl+P/Vzyz 6WC2TLkPtKvYvXmdsI6rnEI4Uucg0Au/Ulg7aqqKhzGPIbVaL+U0Wk82nz6hz+WP2ggTrY1w ZlPlRt8WM9w6WfLf2j+PuGklj37m+KvaOEfLsF1v464dSpy1tQVHhhp8LFTxh/6RWkRIR2uF I4v3Xu/k5D0LhaZHpQ4C+xKsQxpTGuYh2tnRaRL14YMW1dlI3HfeB2gj7Yc8XdHh9vkpPyuT nY/ZsFbnvBtiw7GchKKri2gDhRb2QNNDyBnQn5mRFw7CyuFclAksOdV/sdpQnYlYcRQWOUGY HhQ5eqTRZjm9z+qQe/T0HQpmiPTqQcIaG/edgKVTUjITfA7AJMKLQHgp04Vylb+G6jocnQQX JqvvP09whbqrABEBAAHCwWUEGAECAA8CGwwFAlVcpi8FCRmg08MACgkQyx8mb86fmYHNRQ/+ J0OZsBYP4leJvQF8lx9zif+v4ZY/6C9tTcUv/KNAE5leyrD4IKbnV4PnbrVhjq861it/zRQW cFpWQszZyWRwNPWUUz7ejmm9lAwPbr8xWT4qMSA43VKQ7ZCeTQJ4TC8kjqtcbw41SjkjrcTG wF52zFO4bOWyovVAPncvV9eGA/vtnd3xEZXQiSt91kBSqK28yjxAqK/c3G6i7IX2rg6pzgqh hiH3/1qM2M/LSuqAv0Rwrt/k+pZXE+B4Ud42hwmMr0TfhNxG+X7YKvjKC+SjPjqp0CaztQ0H nsDLSLElVROxCd9m8CAUuHplgmR3seYCOrT4jriMFBtKNPtj2EE4DNV4s7k0Zy+6iRQ8G8ng QjsSqYJx8iAR8JRB7Gm2rQOMv8lSRdjva++GT0VLXtHULdlzg8VjDnFZ3lfz5PWEOeIMk7Rj trjv82EZtrhLuLjHRCaG50OOm0hwPSk1J64R8O3HjSLdertmw7eyAYOo4RuWJguYMg5DRnBk WkRwrSuCn7UG+qVWZeKEsFKFOkynOs3pVbcbq1pxbhk3TRWCGRU5JolI4ohy/7JV1TVbjiDI HP/aVnm6NC8of26P40Pg8EdAhajZnHHjA7FrJXsy3cyIGqvg9os4rNkUWmrCfLLsZDHD8FnU mDW4+i+XlNFUPUYMrIKi9joBhu18ssf5i5Q= Message-ID: <3538c8ad-674e-d310-d870-4ef6888092ed@roeck-us.net> Date: Wed, 3 Jun 2020 16:44:17 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On 6/3/20 2:14 PM, Ira Weiny wrote: > On Wed, Jun 03, 2020 at 01:57:36PM -0700, Andrew Morton wrote: >> On Thu, 21 May 2020 10:42:50 -0700 Ira Weiny wrote: >> >>>>> >>>>> Actually it occurs to me that the patch consolidating kmap_prot is odd for >>>>> sparc 32 bit... >>>>> >>>>> Its a long shot but could you try reverting this patch? >>>>> >>>>> 4ea7d2419e3f kmap: consolidate kmap_prot definitions >>>>> >>>> >>>> That is not easy to revert, unfortunately, due to several follow-up patches. >>> >>> I have gotten your sparc tests to run and they all pass... >>> >>> 08:10:34 > ../linux-build-test/rootfs/sparc/run-qemu-sparc.sh >>> Build reference: v5.7-rc4-17-g852b6f2edc0f >>> >>> Building sparc32:SPARCClassic:nosmp:scsi:hd ... running ......... passed >>> Building sparc32:SPARCbook:nosmp:scsi:cd ... running ......... passed >>> Building sparc32:LX:nosmp:noapc:scsi:hd ... running ......... passed >>> Building sparc32:SS-4:nosmp:initrd ... running ......... passed >>> Building sparc32:SS-5:nosmp:scsi:hd ... running ......... passed >>> Building sparc32:SS-10:nosmp:scsi:cd ... running ......... passed >>> Building sparc32:SS-20:nosmp:scsi:hd ... running ......... passed >>> Building sparc32:SS-600MP:nosmp:scsi:hd ... running ......... passed >>> Building sparc32:Voyager:nosmp:noapc:scsi:hd ... running ......... passed >>> Building sparc32:SS-4:smp:scsi:hd ... running ......... passed >>> Building sparc32:SS-5:smp:scsi:cd ... running ......... passed >>> Building sparc32:SS-10:smp:scsi:hd ... running ......... passed >>> Building sparc32:SS-20:smp:scsi:hd ... running ......... passed >>> Building sparc32:SS-600MP:smp:scsi:hd ... running ......... passed >>> Building sparc32:Voyager:smp:noapc:scsi:hd ... running ......... passed >>> >>> Is there another test I need to run? >> >> This all petered out, but as I understand it, this patchset still might >> have issues on various architectures. >> >> Can folks please provide an update on the testing status? > > I believe the tests were failing for Guenter due to another patch set...[1] > > My tests with just this series are working. > >>>From my understanding the other failures were unrelated.[2] > > > I've checked the patch above on top of the mmots which already has > Ira's patches and it booted fine. I've used sparc32_defconfig to build > the kernel and qemu-system-sparc with default machine and CPU. > > > Mike, am I wrong? Do you think the kmap() patches are still causing issues? > For my part, all I can say is that -next is in pretty bad shape right now. The summary of my tests says: Build results: total: 151 pass: 130 fail: 21 Qemu test results: total: 430 pass: 375 fail: 55 sparc32 smp images in next-20200603 still crash for me with a spinlock recursion. s390 images hang early in boot. Several others (alpha, arm64, various ppc) don't even compile. I can run some more bisects over time, but this is becoming a full-time job :-(. Guenter