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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 39812C3B1BF for ; Fri, 13 Dec 2019 20:36:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79F1A246B1 for ; Fri, 13 Dec 2019 20:36:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726708AbfLMLQw (ORCPT ); Fri, 13 Dec 2019 06:16:52 -0500 Received: from mga03.intel.com ([134.134.136.65]:3016 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725937AbfLMLQw (ORCPT ); Fri, 13 Dec 2019 06:16:52 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Dec 2019 03:16:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,309,1571727600"; d="scan'208";a="216609003" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga003.jf.intel.com with ESMTP; 13 Dec 2019 03:16:50 -0800 Received: from andy by smile with local (Exim 4.93-RC7) (envelope-from ) id 1ifiwD-00080o-R0; Fri, 13 Dec 2019 13:16:49 +0200 Date: Fri, 13 Dec 2019 13:16:49 +0200 From: Andy Shevchenko To: kbuild test robot , Max Filippov Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List Subject: Re: WARNING: lib/test_bitmap.o(.text.unlikely+0x5c): Section mismatch in reference from the function bitmap_copy_clear_tail() to the variable .init.rodata:clump_exp Message-ID: <20191213111649.GU32742@smile.fi.intel.com> References: <201912100401.fDYi5lhU%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201912100401.fDYi5lhU%lkp@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 10, 2019 at 04:17:03AM +0800, kbuild test robot wrote: +Cc: Max for xtensa matters, perhaps he has an idea. > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: e42617b825f8073569da76dc4510bfa019b1c35a > commit: 30544ed5de431fe25d3793e4dd5a058d877c4d77 lib/bitmap: introduce bitmap_replace() helper > date: 5 days ago > config: xtensa-randconfig-a001-20191209 (attached as .config) > compiler: xtensa-linux-gcc (GCC) 7.5.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 30544ed5de431fe25d3793e4dd5a058d877c4d77 > # save the attached .config to linux build tree > GCC_VERSION=7.5.0 make.cross ARCH=xtensa > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > > All warnings (new ones prefixed by >>): I'm not sure I got this (esp. relation to my patch). The mentioned code definitely compiled for 32-bit (since only then mentioned bitmap API is in use). I have tried to reproduce on i386 compilation (gcc 9.x), but can't. > >> WARNING: lib/test_bitmap.o(.text.unlikely+0x5c): Section mismatch in reference from the function bitmap_copy_clear_tail() to the variable .init.rodata:clump_exp > The function bitmap_copy_clear_tail() references > the variable __initconst clump_exp. > This is often because bitmap_copy_clear_tail lacks a __initconst > annotation or the annotation of clump_exp is wrong. > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation -- With Best Regards, Andy Shevchenko