From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (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 CBEE47D for ; Sun, 13 Feb 2022 19:30:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644780606; x=1676316606; h=date:from:to:cc:subject:message-id:mime-version; bh=Z+IPQbc3DoIThr1y05QJVgCJisA7QjZzfj+r0fgo/G8=; b=Mgz9UvtJAjrzRZZ36064nW6jLT4hdq6BCkJBCsPHKzfwSuS1G6YHYypw T5iQIDjRO0Drpu4YZKyYJPJmXylTkU1SOlX5UO9+p1lLV1CcPdhWXZvvD LGLwRzfP7Ke0CwClK44IKV6nUPVgIlehrlsERje7G+MTOR8S5/bE5C2AE x3dL6HH/tuf0UWCOfQ6TTyx7tMGTCrjAmzJJk74aeLv/d/KZU/UDDAnki uCJDgoh+tMyV5WjH/vyk73rzSUupxC+etUwMj9h3A0RxkwJZA0oHJjLhQ dzgsAFurux90RFPopDEgjvvkjOXG1Ue5jPRHdpRfrKPz0G22RUo3Y4/c3 g==; X-IronPort-AV: E=McAfee;i="6200,9189,10257"; a="237379979" X-IronPort-AV: E=Sophos;i="5.88,366,1635231600"; d="scan'208";a="237379979" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Feb 2022 11:30:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,366,1635231600"; d="scan'208";a="484955778" Received: from lkp-server01.sh.intel.com (HELO d95dc2dabeb1) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 13 Feb 2022 11:30:04 -0800 Received: from kbuild by d95dc2dabeb1 with local (Exim 4.92) (envelope-from ) id 1nJKZP-0007mF-WD; Sun, 13 Feb 2022 19:30:04 +0000 Date: Mon, 14 Feb 2022 03:29:26 +0800 From: kernel test robot To: Mathias Krause Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: kernel/sched/rt.c:257:6: error: no previous prototype for function 'unregister_rt_sched_group' Message-ID: <202202140339.Uk9VGrvV-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Hi Mathias, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b81b1829e7e39f6cebdf6e4d5484eacbceda8554 commit: b027789e5e50494c2325cc70c8642e7fd6059479 sched/fair: Prevent dead task groups from regaining cfs_rq's date: 3 months ago config: riscv-randconfig-c006-20220213 (https://download.01.org/0day-ci/archive/20220214/202202140339.Uk9VGrvV-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 478c237e21b2c3a83e46f26fcbeb3876682f9b14) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b027789e5e50494c2325cc70c8642e7fd6059479 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b027789e5e50494c2325cc70c8642e7fd6059479 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/mm/ drivers/clk/bcm/ drivers/gpu/drm/ kernel/sched/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> kernel/sched/rt.c:257:6: error: no previous prototype for function 'unregister_rt_sched_group' [-Werror,-Wmissing-prototypes] void unregister_rt_sched_group(struct task_group *tg) { } ^ kernel/sched/rt.c:257:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void unregister_rt_sched_group(struct task_group *tg) { } ^ static kernel/sched/rt.c:259:6: error: no previous prototype for function 'free_rt_sched_group' [-Werror,-Wmissing-prototypes] void free_rt_sched_group(struct task_group *tg) { } ^ kernel/sched/rt.c:259:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void free_rt_sched_group(struct task_group *tg) { } ^ static kernel/sched/rt.c:261:5: error: no previous prototype for function 'alloc_rt_sched_group' [-Werror,-Wmissing-prototypes] int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent) ^ kernel/sched/rt.c:261:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent) ^ static kernel/sched/rt.c:675:6: error: no previous prototype for function 'sched_rt_bandwidth_account' [-Werror,-Wmissing-prototypes] bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) ^ kernel/sched/rt.c:675:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) ^ static 4 errors generated. vim +/unregister_rt_sched_group +257 kernel/sched/rt.c 256 > 257 void unregister_rt_sched_group(struct task_group *tg) { } 258 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org