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=-2.2 required=3.0 tests=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 A7627C2BBE2 for ; Fri, 6 Dec 2019 13:38:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0993324673 for ; Fri, 6 Dec 2019 13:38:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0993324673 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=physik.fu-berlin.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6C46D6B160D; Fri, 6 Dec 2019 08:38:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6754A6B160E; 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Fri, 06 Dec 2019 14:38:28 +0100 Received: from suse-laptop.physik.fu-berlin.de ([160.45.32.140]) by inpost2.zedat.fu-berlin.de (Exim 4.85) with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (envelope-from ) id <1idDoR-001Gdu-Pm>; Fri, 06 Dec 2019 14:38:27 +0100 Subject: Re: [PATCH v6 10/18] sh/tlb: Convert SH to generic mmu_gather To: Guenter Roeck Cc: Peter Zijlstra , Geert Uytterhoeven , Will Deacon , "Aneesh Kumar K.V" , Andrew Morton , Nicholas Piggin , Linux-Arch , Linux MM , Linux Kernel Mailing List , Russell King , Heiko Carstens , Rik van Riel , Yoshinori Sato , Rich Felker , Linux-sh list References: <20190219103148.192029670@infradead.org> <20190219103233.443069009@infradead.org> <20191204104733.GR2844@hirez.programming.kicks-ass.net> <3c83eaec-8f33-1b90-1c70-9e7c1c8b1855@physik.fu-berlin.de> <20191205225610.GB2532@roeck-us.net> From: John Paul Adrian Glaubitz Autocrypt: addr=glaubitz@physik.fu-berlin.de; keydata= mQINBE3JE9wBEADMrYGNfz3oz6XLw9XcWvuIxIlPWoTyw9BxTicfGAv0d87wngs9U+d52t/R EggPePf34gb7/k8FBY1IgyxnZEB5NxUb1WtW0M3GUxpPx6gBZqOm7SK1ZW3oSORw+T7Aezl3 Zq4Nr4Nptqx7fnLpXfRDs5iYO/GX8WuL8fkGS/gIXtxKewd0LkTlb6jq9KKq8qn8/BN5YEKq JlM7jsENyA5PIe2npN3MjEg6p+qFrmrzJRuFjjdf5vvGfzskrXCAKGlNjMMA4TgZvugOFmBI /iSyV0IOaj0uKhes0ZNX+lQFrOB4j6I5fTBy7L/T3W/pCWo3wVkknNYa8TDYT73oIZ7Aimv+ k7OzRfnxsSOAZT8Re1Yt8mvzr6FHVFjr/VdyTtO5JgQZ6LEmvo4Ro+2ByBmCHORCQ0NJhD1U 3avjGfvfslG999W0WEZLTeaGkBAN1yG/1bgGAytQQkD9NsVXqBy7S3LVv9bB844ysW5Aj1nv tgIz14E2WL8rbpfjJMXi7B5ha6Lxf3rFOgxpr6ZoEn+bGG4hmrO+/ReA4SerfMqwSTnjZsZv xMJsx2B9c8DaZE8GsA4I6lsihbJmXhw8i7Cta8Dx418wtEbXhL6m/UEk60O7QD1VBgGqDMnJ DFSlvKa9D+tZde/kHSNmQmLLzxtDbNgBgmR0jUlmxirijnm8bwARAQABtFRKb2huIFBhdWwg QWRyaWFuIEdsYXViaXR6IChGcmVpZSBVbml2ZXJzaXRhZXQgQmVybGluKSA8Z2xhdWJpdHpA cGh5c2lrLmZ1LWJlcmxpbi5kZT6JAlEEEwEIADsCGwMFCwkIBwMFFQoJCAsFFgIDAQACHgEC F4AWIQRi/4p1hOApVpVGAAZ0Jjs39bX5EwUCWhQoUgIZAQAKCRB0Jjs39bX5Ez/ID/98r9c4 WUSgOHVPSMVcOVziMOi+zPWfF1OhOXW+atpTM4LSSp66196xOlDFHOdNNmO6kxckXAX9ptvp Bc0mRxa7OrC168fKzqR7P75eTsJnVaOu+uI/vvgsbUIosYdkkekCxDAbYCUwmzNotIspnFbx iSPMNrpw7Ud/yQkS9TDYeXnrZDhBp7p5+naWCD/yMvh7yVCA4Ea8+xDVoX+kjv6EHJrwVupO pMa39cGs2rKYZbWTazcflKH+bXG3FHBrwh9XRjA6A1CTeC/zTVNgGF6wvw/qT2x9tS7WeeZ1 jvBCJub2cb07qIfuvxXiGcYGr+W4z9GuLCiWsMmoff/Gmo1aeMZDRYKLAZLGlEr6zkYh1Abt iz0YLqIYVbZAnf8dCjmYhuwPq77IeqSjqUqI2Cb0oOOlwRKVWDlqAeo0Bh8DrvZvBAojJf4H nQZ/pSz0yaRed/0FAmkVfV+1yR6BtRXhkRF6NCmguSITC96IzE26C6n5DBb43MR7Ga/mof4M UufnKADNG4qz57CBwENHyx6ftWJeWZNdRZq10o0NXuCJZf/iulHCWS/hFOM5ygfONq1Vsj2Z DSWvVpSLj+Ufd2QnmsnrCr1ZGcl72OC24AmqFWJY+IyReHWpuABEVZVeVDQooJ0K4yqucmrF R7HyH7oZGgR0CgYHCI+9yhrXHrQpyLkCDQRNyRQuARAArCaWhVbMXw9iHmMH0BN/TuSmeKtV h/+QOT5C5Uw+XJ3A+OHr9rB+SpndJEcDIhv70gLrpEuloXhZI9VYazfTv6lrkCZObXq/NgDQ Mnu+9E/E/PE9irqnZZOMWpurQRh41MibRii0iSr+AH2IhRL6CN2egZID6f93Cdu7US53ZqIx bXoguqGB2CK115bcnsswMW9YiVegFA5J9dAMsCI9/6M8li+CSYICi9gq0LdpODdsVfaxmo4+ xYFdXoDN33b8Yyzhbh/I5gtVIRpfL+Yjfk8xAsfz78wzifSDckSB3NGPAXvs6HxKc50bvf+P 6t2tLpmB/KrpozlZazq16iktY97QulyEY9JWCiEgDs6EKb4wTx+lUe4yS9eo95cBV+YlL+BX kJSAMyxgSOy35BeBaeUSIrYqfHpbNn6/nidwDhg/nxyJs8mPlBvHiCLwotje2AhtYndDEhGQ KEtEaMQEhDi9MsCGHe+00QegCv3FRveHwzGphY1YlRItLjF4TcFz1SsHn30e7uLTDe/pUMZU Kd1xU73WWr0NlWG1g49ITyaBpwdv/cs/RQ5laYYeivnag81TcPCDbTm7zXiwo53aLQOZj4u3 gSQvAUhgYTQUstMdkOMOn0PSIpyVAq3zrEFEYf7bNSTcdGrgwCuCBe4DgI3Vu4LOoAeI428t 2dj1K1EAEQEAAYkCHwQYAQgACQUCTckULgIbDAAKCRB0Jjs39bX5E683EAC1huywL4BlxTj7 FTm7FiKd5/KEH5/oaxLQN26mn8yRkP/L3xwiqXxdd0hnrPyUe8mUOrSg7KLMul+pSRxPgaHA xt1I1hQZ30cJ1j/SkDIV2ImSf75Yzz5v72fPiYLq9+H3qKZwrgof9yM/s0bfsSX/GWyFatvo Koo+TgrE0rmtQw82vv7/cbDAYceQm1bRB8Nr8agPyGXYcjohAj7NJcra4hnu1wUw3yD05p/B Rntv7NvPWV3Oo7DKCWIS4RpEd6I6E+tN3GCePqROeK1nDv+FJWLkyvwLigfNaCLro6/292YK VMdBISNYN4s6IGPrXGGvoDwo9RVo6kBhlYEfg6+2eaPCwq40IVfKbYNwLLB2MR2ssL4yzmDo OR3rQFDPj+QcDvH4/0gCQ+qRpYATIegS8zU5xQ8nPL8lba9YNejaOMzw8RB80g+2oPOJ3Wzx oMsmw8taUmd9TIw/bJ2VO1HniiJUGUXCqoeg8homvBOQ0PmWAWIwjC6nf6CIuIM4Egu2I5Kl jEF9ImTPcYZpw5vhdyPwBdXW2lSjV3EAqknWujRgcsm84nycuJnImwJptR481EWmtuH6ysj5 YhRVGbQPfdsjVUQfZdRdkEv4CZ90pdscBi1nRqcqANtzC+WQFwekDzk2lGqNRDg56s+q0KtY scOkTAZQGVpD/8AaLH4v1w== Message-ID: Date: Fri, 6 Dec 2019 14:38:27 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191205225610.GB2532@roeck-us.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: 160.45.32.140 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi! On 12/5/19 11:56 PM, Guenter Roeck wrote: >> I have to admit, I have been very lazy with kernel updates. I have been >> planning to upgrade to a much more recent release on my boards for a while >> now, I have just been postponing it since the machines run very stable >> with the current kernel I am using. >> > > Hey, if you write a qemu emulation, I'll be happy to run it on a regular > basis :-) There is working SH emulation in QEMU. I have been wanting to prepare a current Debian/sh4 test image for that purpose for a while now. For the time being, you can use the image by Aurelien Jarno: > https://people.debian.org/~aurel32/qemu/sh4/ > Problem is really that the architecture doesn't get as much attention as > it needs. The backtrace pointed to by Rob has been seen for a long time, > but either there is no one with the knowledge to fix it, or they are all > busy with other stuff. I fully agree. I'm mostly busy with the userland stuff, i.e. Debian packages for sh4 and not so much with the kernel. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz@debian.org `. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913