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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10767C433F5 for ; Mon, 9 May 2022 01:25:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231938AbiEIB27 (ORCPT ); Sun, 8 May 2022 21:28:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52900 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236244AbiEIBTS (ORCPT ); Sun, 8 May 2022 21:19:18 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 982D1DEAA for ; Sun, 8 May 2022 18:15:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=9JrCOCM30ilOC9vzCqWbSPlDJ7txpo/M+NzbZ8p3R0E=; b=WVjIBbD7AL0NyglpP6OcDY6XvD cLHBlr4nlgTK1UpZtsOne3hlswXVeWg6YdtNHoQyX5yUoUAYd7sCtyk1eT1vZWYpDAPjYEyLKkgCZ crvcRALGOijK2C9L4cxd9BB3YKXq3v8rkY7Hks3fwlqgp3VKquNj1zz3Ac89y8heVAoj6HEieLjNp 0MzPrzrx8+3ptaHQFfqSqdbNKmvppEUx2SLZ9nbFDiOULEJicK1lg/6AZlrrkZ4pGjb/iweV/WH7k fqSO4RyXHB0Hve66aTaZjPh3j3tKrOiFIY3WLlg1FeDzW9LgnSraji+0P6SpcORzF+af72Tv0EhKV BOX6kI6g==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnrzR-002zYW-Tg; Mon, 09 May 2022 01:15:09 +0000 Date: Mon, 9 May 2022 02:15:09 +0100 From: Matthew Wilcox To: kernel test robot Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: Re: WARNING: modpost: vmlinux.o(.text+0xa76d36): Section mismatch in reference from the function rtc_update_irq() to the variable .init.text:.L0 Message-ID: References: <202205090847.j9NvIYxI-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202205090847.j9NvIYxI-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 09, 2022 at 08:14:44AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: c5eb0a61238dd6faf37f58c9ce61c9980aaffd7a > commit: 170f37d6aa6ad4582eefd7459015de79e244536e block: Do not call folio_next() on an unreferenced folio > date: 4 days ago > config: riscv-randconfig-r042-20220509 (https://download.01.org/0day-ci/archive/20220509/202205090847.j9NvIYxI-lkp@intel.com/config) > compiler: riscv32-linux-gcc (GCC) 11.3.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=170f37d6aa6ad4582eefd7459015de79e244536e > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 170f37d6aa6ad4582eefd7459015de79e244536e > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All warnings (new ones prefixed by >>, old ones prefixed by <<): > > >> WARNING: modpost: vmlinux.o(.text+0xa76d36): Section mismatch in reference from the function rtc_update_irq() to the variable .init.text:.L0 > The function rtc_update_irq() references > the variable __init .L0 . > This is often because rtc_update_irq lacks a __init > annotation or the annotation of .L0 is wrong. > > Note: the below error/warnings can be found in parent commit: > << WARNING: modpost: vmlinux.o(.text+0xa7418e): Section mismatch in reference from the function rtc_month_days() to the variable .init.setup:__setup_root_delay_setup > << WARNING: modpost: vmlinux.o(.text+0xb2080e): Section mismatch in reference from the function thermal_zone_device_unregister() to the variable .init.text:.L0 > << WARNING: modpost: vmlinux.o(.text+0xb34ff0): Section mismatch in reference from the function btintel_enter_mfg() to the variable .init.text:.LBB18955 > << WARNING: modpost: vmlinux.o(.text+0xb5964e): Section mismatch in reference from the function cpuidle_switch_governor() to the variable .init.text:.L0 > << WARNING: modpost: vmlinux.o(.text+0xbacbfa): Section mismatch in reference from the function comedi_buf_map_get() to the variable .init.text:.L0 > << WARNING: modpost: vmlinux.o(__ex_table+0x141c): Section mismatch in reference from the variable .L0 to the variable .debug_str:.LASF1100 I'm going to suggest that my commit is not responsible for anything other than moving a warning around. I do not intend to investigate this further unless someone tells me otherwise.