From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754617AbcDSNcL (ORCPT ); Tue, 19 Apr 2016 09:32:11 -0400 Received: from mout.gmx.net ([212.227.15.19]:58240 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752887AbcDSNcI (ORCPT ); Tue, 19 Apr 2016 09:32:08 -0400 Subject: Re: Build regressions/improvements in v4.6-rc4 (parisc warnings) To: Geert Uytterhoeven , "linux-kernel@vger.kernel.org" , Michael Ellerman References: <1461048813-28712-1-git-send-email-geert@linux-m68k.org> Cc: Parisc List From: Helge Deller Message-ID: <5716334F.6020602@gmx.de> Date: Tue, 19 Apr 2016 15:31:59 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:qvexGtos133Yzs1SOj9k1OPJrlZODpE1Knku5mf24dBBFzS6MGf Pd2hjwEtqnnjM8F3lT46HCM1DUfuG398751grA01bmK8OVHdJ1RcKwXZWy6jYQRht65N1Yt EI37ZuCCNiMk1aT8ZgRBTKHFAvrHoDh/qNWk7n64RTxB3Z021ZrCb3jrmslPqOBgMCigL/I xM3H3o7zqqavprSjUmOZg== X-UI-Out-Filterresults: notjunk:1;V01:K0:GzBiF9Kkwiw=:o/sgyaF1Gf7ZOUr36jC8Yu OgXgouBcrRYLrOOKp+mEQDyki6e19U7WHz3JvmBwENXqddMzKWhdjXVJ/TkUNphEW2whrKK/F BK7buW0enfxGeIPtEfz9qJz9fbYqEFFQFDiSU2EmM71jr/w18V3EqASv/Fu4yGJmBchDiD9fi neZ1qyoiZjMYEt47Kv9jFSt0SlgjsS4qU1KS01AJLfdQ1in9tJY9TJjm53FsMmyLYj9EswfvJ 9uQ4a+9I6OXF24ep4OiYz5FACtlHgoK1fbAK9Usv/a1lUqqu6Wi3JMrlYSrBVoFT0jKfrw5EP KYcULn+nF6K5wXPNdHyltZNOWO9j5tUbabYhGQk40Lzjb2177eKHaVLj6It50xq49ovwasc2h m3Jrkrbvx253wwJ1ni/8Z4+jNyOhJN9yTEVWOfdtARenQ940AIIcBIivpO3I77GtXtrXY5DVW gihSQ3BD9tgFinKGxBKM7qX2W+rO4MKMXN4YYTU1LYFYkx/TapfUCZKn9jp8FII8LYYrPC7Yt vcZ7T8vu7C1fFI7bNYvLDle54AWiZD1Y1+NUIhiNcqjyACyvg223dM4Uk69P+d7A6v2rICDwE ZHJCAmFCYtSfO90FmWVNic7TxTf1HPCLizi9OopVy2UNlrOopdmqn3STPUbwfqVyE2UzVzdbk hNY9KQIaV/EJJ9SkaZI+NonldCQFYblEYnpGCw4L1bsS2eCzec4rMvNzo0Smjr2W7FwTJu5RL nMOWio5rfgojLK01us3XRK1Za+2i5q1L43WJRphF8MOJd5vXRvJ9bw8NjXBaPbdZjpjTIrRM7 89XImtU Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Geert, On 19.04.2016 08:57, Geert Uytterhoeven wrote: > On Tue, Apr 19, 2016 at 8:53 AM, Geert Uytterhoeven > wrote: >> Below is the list of build error/warning regressions/improvements in >> v4.6-rc4[1] compared to v4.5[2]. >> >> Summarized: >> - build errors: +11/-7 >> - build warnings: +16376/-165 > > Sorry for the delay, initially I didn't realize why my first report didn't make > it to the list. It was too big, due to 16211 warnings in parisc-allmodconfig > about "-ffunction-sections disabled; it makes profiling impossible [enabled by > default]". I checked the parisc warnings, and looking at http://kisskb.ellerman.id.au/kisskb/buildresult/12665382/ it seems a gcc-4.6 (/opt/cross/gcc-4.6.3-nolibc/hppa-linux/bin/hppa-linux-gcc) compiler is still being used. I tend to think, that gcc-4.6 wasn't able to generate function sections which is why we see those warnings now (there was a FTRACE patch from me included before v4.6-rc4). Anyway, I can't reproduce those warnings with gcc-4.8 and higher. Given the fact, that we even switched on debian now to use gcc-5 for the kernel, can someone please update the 32- and 64-bit parisc compilers on the kiss infrastructure to at least gcc-4.8 (gcc-4.9 or gcc-5 being preferred). Thanks, Helge