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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 CA57AC38A2A for ; Fri, 8 May 2020 21:43:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E3972051A for ; Fri, 8 May 2020 21:43:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727082AbgEHVnf (ORCPT ); Fri, 8 May 2020 17:43:35 -0400 Received: from mout.kundenserver.de ([217.72.192.74]:60101 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726811AbgEHVnf (ORCPT ); Fri, 8 May 2020 17:43:35 -0400 Received: from mail-lj1-f169.google.com ([209.85.208.169]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.145]) with ESMTPSA (Nemesis) id 1M8yoa-1jSCyB2flW-0066pb; Fri, 08 May 2020 23:43:33 +0200 Received: by mail-lj1-f169.google.com with SMTP id g4so3242276ljl.2; Fri, 08 May 2020 14:43:33 -0700 (PDT) X-Gm-Message-State: AOAM531qluAr+diUzl7ZPQnIW0NZmgFhSdPoTHaUeN337gYGXV/XFY6e ow2GKythDkyUwL2kwn/Tk40KXKDNAxsGIceOfbg= X-Google-Smtp-Source: ABdhPJyRp2oxjOeqeg5ENiT9+DXJ38iq1iUgrmbVJE77HNSlXmj4qNJze/k7fGHouA2c4pFLbRFncyp77YcpDJaXnCg= X-Received: by 2002:a2e:6a08:: with SMTP id f8mr3135164ljc.8.1588974213097; Fri, 08 May 2020 14:43:33 -0700 (PDT) MIME-Version: 1.0 References: <20200508093553.2742898-1-arnd@arndb.de> <5849978b-7330-1dae-0896-7ecbc6083d34@gmx.de> In-Reply-To: <5849978b-7330-1dae-0896-7ecbc6083d34@gmx.de> From: Arnd Bergmann Date: Fri, 8 May 2020 23:43:16 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] parisc: use -fno-strict-aliasing for decompressor To: Helge Deller Cc: "James E.J. Bottomley" , kbuild test robot , Parisc List , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:dG+jwwxM7Abw9pygChUF37Z4SE0mWCH6FDpCg3iv24rDRbhLaVY avObk6EnJSdf8Z1SjJ6TmuegQ7QAaVmfVAbiMa+62730yAFmFh8ExVjXKHqNqaRlvbrnOQZ 3V849i/dO9Qo9MCcvyYiYM9pHoMvhXA9Jt/Qm9WU1A/+qK+LUYY0il67KAqxH5cWl2JGPGG KjfrlJauulkoAW4SCx0+g== X-UI-Out-Filterresults: notjunk:1;V03:K0:PavUf7bxs9c=:6URT3eutfXhN/4L0DWBuz1 SUjjSHzdMJ267ceacvNLcUz0tGDKHpuUrTd158svL6NC10rhFqZQRCiiceucoDTk3ixxYJr7R ZyaQDUppg4K50f4WObNwDYEnXfeeNqi9vdIuuGjAXytXMafduiCBbJrb+Lx6o6KTMJZe5sa8d evurAEGxaO1UIElRfJpZL7nUCBFiy9LHuBN0ioIr44JZJrbTpB02todT+oycOuWs799IymYZV kQd7oHjDuKlXsyS6vvWGz5U4CoGhdK2JxbXrAq2cVVROf/Kppy9iR1WcQDI/VH3CdQ/5AxjyZ dkR3QZPRm7hYLCPEB8OJzMIjyBIzO7VWk7BGU1IDlWhIzvciKjNa5TuRPMLf5fLlMjvVrY0II pOlKNulJw0L9U2I+XAG8TltSzhb9y7fgHf10c1loAOpwOMe+St3t8FYSeIdWqjr3WQnNEGb77 aMOUxPJaWWHAmWT3c3RiUH0xnYi+C+bWEUuEOZYj11UCJS37dYnUh5rkPIpBW6ViHQwLMOVfm JEN7mQBZTB3kS3MGTJ3bwB3G6l9sf+J5pJZzJZLXPlFtiCJyu2BvDJF/L6TgvWfgbaaHnoLtT tqzb0NB+0IWPAvD168klaQ0XLLlwmeucOpr07VFuWYM+hpj32to+jaB6aKSfjbDnSV/YrkBWK FZzUfjUeUPH3YpfGFQTKVYpEQGgUZLHU2DKwi513Hlqdn+ZNZaS+EvOasK7VLgncU4lvMUV2a Dx36YNqV1F2JdBFadXngNlR7GUiGrh6uBda/gix87fwzaSBzzQHNafhortPAetUPO011etYja 0CKRsFDsKAyItJKGou0zMG2pcUYQKVrc559zF25w2gll2RhgyY= Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On Fri, May 8, 2020 at 11:40 PM Helge Deller wrote: > On 08.05.20 11:35, Arnd Bergmann wrote: > > An experimental patch series of mine reworks how warnings are processed > > in Kbuild. A side effect is a new warning about a harmless aliasing > > rule violation in an inline function: > > > > In file included from > > include/linux/rhashtable-types.h:15:0, > > from include/linux/ipc.h:7, > > from include/uapi/linux/sem.h:5, > > from include/linux/sem.h:5, > > from include/linux/sched.h:15, > > from include/linux/uaccess.h:6, > > from arch/parisc/boot/compressed/misc.c:7: > > include/linux/workqueue.h: In function 'work_static': > > include/linux/workqueue.h:212:2: warning: dereferencing > > type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] > > return *work_data_bits(work) & WORK_STRUCT_STATIC; > > > > Make the decompressor use -fno-strict-aliasing like the rest of > > the kernel for consistency, and to ensure this warning never makes > > it into a release. > > > > Reported-by: kbuild test robot > > Signed-off-by: Arnd Bergmann > > Acked-by: Helge Deller > > Arnd, will you take it through your trees when you push your experimental > patches, or do you want me to take it through the parisc tree? Please take it through your tree. It will take me a while to finish my series, and having one less change will make it easier to review. Arnd