From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 D6E4522D785; Tue, 14 Apr 2026 08:50:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776156633; cv=none; b=gxRGlM6Ktsb1iRQTCkbhWSA3fQsDJRWvIrxcQXU9YgutqyhtcoYJF8zI7zcgd3/mvcOEfodKomXDEymSIPmfJaQL2Ijfk1+1VMbctInCEuFwUjzAAOE2Sn+kFj9ns0Wvq63VDLf1VCOCTonVnUSWyyQVS2xC077t89ZfmUPNu9Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776156633; c=relaxed/simple; bh=Y8aKRsQPhbDEO1Swom3dayyampMO5V0gBDfmuisnZ0g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=U2IPfJnQM6qYL86OqyRwElenO5QavP/DXfHCR7KmEA5UjiHKlAXl1CaY9KXSWonMWUlAAtdxWSXAOdf1QmhDOASScDn1DYEVPSmVZDVw4mIB4EOzezx44eWKBavW4fQOEDitPH2F5FCTgeGYSt1hGwySsEzKWZomc7INMad4ALY= 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=jKHJODgo; arc=none smtp.client-ip=198.175.65.21 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="jKHJODgo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776156632; x=1807692632; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Y8aKRsQPhbDEO1Swom3dayyampMO5V0gBDfmuisnZ0g=; b=jKHJODgoJF0DjgMlwJ1jqPvxWW12sqR3+2Ktf/0SsY7QZ+g8wanrLiF2 gEMeZtcqCUn63oENPsg3DIO/Y8XqwwBzn1sfIpbfNfZsgNSeK3Qfb5GWr uI8H5vnbCLtP1JSJ/G4oukxKAFKAAwum4fsXBz9LZIY84g0TqR9phHILQ pO0e+NucGAEPPCa5McqY1JjUpkeFdDSAd80ifznniViy1FKIEU7YmdMMR n7eZ2TrRg/bjmfwU7nn05nnnIi8E95cTpQ2P495Ly3mh2i3tAN+kNLts+ piKWNaKOk9Guttq4T1FgN3rzMO3ct3BGAP8FsitfuwwfzaNm8LY8KGu0n A==; X-CSE-ConnectionGUID: lT3af+diS7+S1girYut/mg== X-CSE-MsgGUID: 5DQzXt03RyibJoeyM/VOzA== X-IronPort-AV: E=McAfee;i="6800,10657,11758"; a="76986124" X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="76986124" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2026 01:50:31 -0700 X-CSE-ConnectionGUID: /siPSbprTzesLWlsXJ6qdQ== X-CSE-MsgGUID: b0QCzT9bSSKJtRiNuglGvA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="231776985" Received: from lkp-server01.sh.intel.com (HELO 7b0b59b3a0d4) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 14 Apr 2026 01:50:28 -0700 Received: from kbuild by 7b0b59b3a0d4 with local (Exim 4.98.2) (envelope-from ) id 1wCZTY-000000001Hl-0FQq; Tue, 14 Apr 2026 08:50:28 +0000 Date: Tue, 14 Apr 2026 16:49:34 +0800 From: kernel test robot To: Prakash Sangappa Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH 1/1] netlink: Add Netlink process event for cgroup migration Message-ID: <202604141600.VBaiiHS6-lkp@intel.com> References: <20260407172339.2017158-2-prakash.sangappa@oracle.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 In-Reply-To: <20260407172339.2017158-2-prakash.sangappa@oracle.com> Hi Prakash, [This is a private test report for your RFC patch.] kernel test robot noticed the following build errors: [auto build test ERROR on tj-cgroup/for-next] [also build test ERROR on net/main net-next/main linus/master v7.0 next-20260413] [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/Prakash-Sangappa/netlink-Add-Netlink-process-event-for-cgroup-migration/20260413-212045 base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next patch link: https://lore.kernel.org/r/20260407172339.2017158-2-prakash.sangappa%40oracle.com patch subject: [RFC PATCH 1/1] netlink: Add Netlink process event for cgroup migration config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260414/202604141600.VBaiiHS6-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260414/202604141600.VBaiiHS6-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/202604141600.VBaiiHS6-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/cgroup/cgroup.c:2985:3: error: call to undeclared function 'proc_cgroup_migrate_connector'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2985 | proc_cgroup_migrate_connector(leader, dst_cgrp); | ^ kernel/cgroup/cgroup.c:2985:3: note: did you mean 'proc_cgrp_migrate_connector'? include/linux/cn_proc.h:58:20: note: 'proc_cgrp_migrate_connector' declared here 58 | static inline void proc_cgrp_migrate_connector(struct task_struct *task) | ^ 1 error generated. -- >> kernel/cgroup/cgroup-v1.c:153:5: error: call to undeclared function 'proc_cgroup_migrate_connector'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 153 | proc_cgroup_migrate_connector(task, to); | ^ kernel/cgroup/cgroup-v1.c:153:5: note: did you mean 'proc_cgrp_migrate_connector'? include/linux/cn_proc.h:58:20: note: 'proc_cgrp_migrate_connector' declared here 58 | static inline void proc_cgrp_migrate_connector(struct task_struct *task) | ^ 1 error generated. vim +/proc_cgroup_migrate_connector +2985 kernel/cgroup/cgroup.c 2951 2952 /** 2953 * cgroup_attach_task - attach a task or a whole threadgroup to a cgroup 2954 * @dst_cgrp: the cgroup to attach to 2955 * @leader: the task or the leader of the threadgroup to be attached 2956 * @threadgroup: attach the whole threadgroup? 2957 * 2958 * Call holding cgroup_mutex and cgroup_threadgroup_rwsem. 2959 */ 2960 int cgroup_attach_task(struct cgroup *dst_cgrp, struct task_struct *leader, 2961 bool threadgroup) 2962 { 2963 DEFINE_CGROUP_MGCTX(mgctx); 2964 struct task_struct *task; 2965 int ret = 0; 2966 2967 /* look up all src csets */ 2968 spin_lock_irq(&css_set_lock); 2969 task = leader; 2970 do { 2971 cgroup_migrate_add_src(task_css_set(task), dst_cgrp, &mgctx); 2972 if (!threadgroup) 2973 break; 2974 } while_each_thread(leader, task); 2975 spin_unlock_irq(&css_set_lock); 2976 2977 /* prepare dst csets and commit */ 2978 ret = cgroup_migrate_prepare_dst(&mgctx); 2979 if (!ret) 2980 ret = cgroup_migrate(leader, threadgroup, &mgctx); 2981 2982 cgroup_migrate_finish(&mgctx); 2983 2984 if (!ret) { > 2985 proc_cgroup_migrate_connector(leader, dst_cgrp); 2986 TRACE_CGROUP_PATH(attach_task, dst_cgrp, leader, threadgroup); 2987 } 2988 2989 return ret; 2990 } 2991 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki