From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f200.google.com (mail-qt0-f200.google.com [209.85.216.200]) by kanga.kvack.org (Postfix) with ESMTP id 86FC66B0369 for ; Wed, 6 Dec 2017 03:42:09 -0500 (EST) Received: by mail-qt0-f200.google.com with SMTP id e2so2666408qti.3 for ; Wed, 06 Dec 2017 00:42:09 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id g98sor1372766qkh.152.2017.12.06.00.42.08 for (Google Transport Security); Wed, 06 Dec 2017 00:42:08 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20171205160928.8eef0f54c63cb05d67c5c7b9@linux-foundation.org> References: <201712052024.0kVygoFI%fengguang.wu@intel.com> <20171205160928.8eef0f54c63cb05d67c5c7b9@linux-foundation.org> From: Geert Uytterhoeven Date: Wed, 6 Dec 2017 09:42:07 +0100 Message-ID: Subject: Re: [linux-next:master 2148/2944] lib/find_bit_benchmark.c:115:7: error: implicit declaration of function 'find_next_and_bit'; did you mean 'find_next_bit'? Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: kbuild test robot , Clement Courbet , "kbuild-all@01.org" , Linux Memory Management List Hi Andrew, On Wed, Dec 6, 2017 at 1:09 AM, Andrew Morton wrote: > On Tue, 5 Dec 2017 20:31:28 +0800 kbuild test robot wrote: >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master >> head: 7ceb97a071e80f1b5e4cd5a36de135612a836388 >> commit: e49c614e6b37254b1e7bf55c631ce3cb5e3b6433 [2148/2944] lib: optimize cpumask_next_and() >> config: m68k-allmodconfig (attached as .config) >> compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 >> reproduce: >> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >> chmod +x ~/bin/make.cross >> git checkout e49c614e6b37254b1e7bf55c631ce3cb5e3b6433 >> # save the attached .config to linux build tree >> make.cross ARCH=m68k >> >> All errors (new ones prefixed by >>): >> >> lib/find_bit_benchmark.c: In function 'test_find_next_and_bit': >> >> lib/find_bit_benchmark.c:115:7: error: implicit declaration of function 'find_next_and_bit'; did you mean 'find_next_bit'? [-Werror=implicit-function-declaration] >> i = find_next_and_bit(bitmap, bitmap2, BITMAP_LEN, i+1); >> ^~~~~~~~~~~~~~~~~ >> find_next_bit >> cc1: some warnings being treated as errors > > For some reason m68k doesn't include asm-generic/bitops/find.h from > arch/m68k/include/asm/bitops.h. One for Clement and Geert to puzzle > out, please. Oh it does, but only for the CONFIG_CPU_HAS_NO_BITFIELDS=y case. Which used to be fine, as the code for CONFIG_CPU_HAS_NO_BITFIELDS=n implemented everything in find.h, until find_next_and_bit() was added. Thanks, will fix... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org