From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D3881B422A; Sat, 8 Mar 2025 11:32:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741433540; cv=none; b=fQ2R2MFtuEJ2u1M3ZxtWkYh4FE1Ji/QdQ0IXOu/lvR4z7CTzQow0c4Ki3MkwrFkU5GwXbkXtExgveJRzs0AGttVTVlqKYHOJTVODgYbtMtyOSwCb31uOWtAovYh5qkWU8fSJ5zbQZEv2uQOiEDbGVn2BGZOjc8Ktzj1nfC9QkiU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741433540; c=relaxed/simple; bh=WTuvM09TTfGQtR8Kh/S05MbAEWQJ5BhtR9jdP0p2JWs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=m13UNBEkOoCNo7HMJkVuV5FdIFIctCjF53qt54m7TDGjH80JrxDjAqmFEQqKFM//aoq+zeyuYb4FYsZwZAU3vZD/eFCsMhk8DC/a7AuqZZYhLw/THj1zZQknBAmtICIuvMp4ua3pL4BQiKNwmQzy9oiCnxIAc3tDkjUZ5vv1BCw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Doaf1JKG; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Doaf1JKG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741433539; x=1772969539; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=WTuvM09TTfGQtR8Kh/S05MbAEWQJ5BhtR9jdP0p2JWs=; b=Doaf1JKGSLeYHgtxbhKNlbn5Eavfxw8CYoo0dcJyjrjgqKiYvZYeqYKo g7+30XYrsTDRz74rXlYxfeMS9eFkzTUcQdGxNGmkU9HMfO3hYLIqHeSxq TT8nx2dhDdq+032gb4kfiDEx0jPL+8ciQEfaOyBBaRhX+WwdWyV7jADGi +d5vMpf/okm1dJZmjGkJESnvgNRAOjBxVl5T4ppVTkCiGkdOWLOi8r8w5 i3Tm8/gG3ETYWsTJtmgGWw2JARZQy1o+XciCWJwaMF8LP/sRLFLf0uEUW E8hLOZImI5kSPpNKWDvHoAWT4vHadotJ0PtUquiHP9LxkeqHipSCacCZi w==; X-CSE-ConnectionGUID: 0yGtZLlKTK6w/k1Dive1yg== X-CSE-MsgGUID: EI/A39RqR0GGaAGwkbzj9w== X-IronPort-AV: E=McAfee;i="6700,10204,11366"; a="46259558" X-IronPort-AV: E=Sophos;i="6.14,232,1736841600"; d="scan'208";a="46259558" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2025 03:32:19 -0800 X-CSE-ConnectionGUID: GcdaE6nQQpq+KQgULM1SIg== X-CSE-MsgGUID: 3yhlv52fT6CeGryrgvJlDA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,232,1736841600"; d="scan'208";a="119724208" Received: from lkp-server02.sh.intel.com (HELO a4747d147074) ([10.239.97.151]) by fmviesa008.fm.intel.com with ESMTP; 08 Mar 2025 03:32:14 -0800 Received: from kbuild by a4747d147074 with local (Exim 4.96) (envelope-from ) id 1tqsPb-0001qn-2d; Sat, 08 Mar 2025 11:32:11 +0000 Date: Sat, 8 Mar 2025 19:31:40 +0800 From: kernel test robot To: Thomas Zimmermann , lee@kernel.org, pavel@ucw.cz, danielt@kernel.org, jingoohan1@gmail.com, deller@gmx.de, simona@ffwll.ch Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-leds@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Thomas Zimmermann Subject: Re: [PATCH v3 06/11] backlight: Replace fb events with a dedicated function call Message-ID: <202503081939.UtJzrbfX-lkp@intel.com> References: <20250306140947.580324-7-tzimmermann@suse.de> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250306140947.580324-7-tzimmermann@suse.de> Hi Thomas, kernel test robot noticed the following build errors: [auto build test ERROR on lee-backlight/for-backlight-next] [also build test ERROR on linus/master v6.14-rc5 next-20250307] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Thomas-Zimmermann/fbdev-Rework-fb_blank/20250306-221554 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git for-backlight-next patch link: https://lore.kernel.org/r/20250306140947.580324-7-tzimmermann%40suse.de patch subject: [PATCH v3 06/11] backlight: Replace fb events with a dedicated function call config: x86_64-randconfig-005-20250308 (https://download.01.org/0day-ci/archive/20250308/202503081939.UtJzrbfX-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250308/202503081939.UtJzrbfX-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202503081939.UtJzrbfX-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: backlight_notify_blank >>> referenced by fb_backlight.c:47 (drivers/video/fbdev/core/fb_backlight.c:47) >>> drivers/video/fbdev/core/fb_backlight.o:(fb_bl_notify_blank) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: backlight_notify_blank_all >>> referenced by fb_backlight.c:49 (drivers/video/fbdev/core/fb_backlight.c:49) >>> drivers/video/fbdev/core/fb_backlight.o:(fb_bl_notify_blank) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki