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X-CSE-ConnectionGUID: ILbP2eevTnyz2eZqrHCj/A== X-CSE-MsgGUID: iw0IUMj1R9CCBmuhidwiig== X-IronPort-AV: E=McAfee;i="6800,10657,11648"; a="71818555" X-IronPort-AV: E=Sophos;i="6.21,164,1763452800"; d="scan'208";a="71818555" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2025 13:49:54 -0800 X-CSE-ConnectionGUID: HA+sPQP0SAWiXeVfc3FElQ== X-CSE-MsgGUID: jt+gQQj+TOmrkp7T1EFbrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,164,1763452800"; d="scan'208";a="229832146" Received: from lkp-server01.sh.intel.com (HELO 0d09efa1b85f) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 20 Dec 2025 13:49:46 -0800 Received: from kbuild by 0d09efa1b85f with local (Exim 4.98.2) (envelope-from ) id 1vX4pb-0000000059d-2H5N; Sat, 20 Dec 2025 21:49:43 +0000 Date: Sun, 21 Dec 2025 05:49:37 +0800 From: kernel test robot To: Michal =?iso-8859-1?Q?Koutn=FD?= , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, netdev@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Michal =?iso-8859-1?Q?Koutn=FD?= , Yu Kuai , Jens Axboe , Tejun Heo , Josef Bacik , Johannes Weiner , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Pablo Neira Ayuso Subject: Re: [PATCH 2/4] cgroup: Introduce cgroup_level() helper Message-ID: <202512210532.ziNaxDJf-lkp@intel.com> References: <20251217162744.352391-3-mkoutny@suse.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@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: <20251217162744.352391-3-mkoutny@suse.com> Hi Michal, kernel test robot noticed the following build errors: [auto build test ERROR on 8f0b4cce4481fb22653697cced8d0d04027cb1e8] url: https://github.com/intel-lab-lkp/linux/commits/Michal-Koutn/cgroup-Eliminate-cgrp_ancestor_storage-in-cgroup_root/20251218-004346 base: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 patch link: https://lore.kernel.org/r/20251217162744.352391-3-mkoutny%40suse.com patch subject: [PATCH 2/4] cgroup: Introduce cgroup_level() helper config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20251221/202512210532.ziNaxDJf-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251221/202512210532.ziNaxDJf-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/202512210532.ziNaxDJf-lkp@intel.com/ All error/warnings (new ones prefixed by >>): block/blk-iocost.c: In function 'ioc_pd_init': >> block/blk-iocost.c:3006:60: error: expected ';' before 'for' 3006 | iocg->level = cgroup_level(blkg->blkcg->css.cgroup) | ^ | ; 3007 | 3008 | for (tblkg = blkg; tblkg; tblkg = tblkg->parent) { | ~~~ >> block/blk-iocost.c:2988:26: warning: unused variable 'tblkg' [-Wunused-variable] 2988 | struct blkcg_gq *tblkg; | ^~~~~ vim +3006 block/blk-iocost.c 2981 2982 static void ioc_pd_init(struct blkg_policy_data *pd) 2983 { 2984 struct ioc_gq *iocg = pd_to_iocg(pd); 2985 struct blkcg_gq *blkg = pd_to_blkg(&iocg->pd); 2986 struct ioc *ioc = q_to_ioc(blkg->q); 2987 struct ioc_now now; > 2988 struct blkcg_gq *tblkg; 2989 unsigned long flags; 2990 2991 ioc_now(ioc, &now); 2992 2993 iocg->ioc = ioc; 2994 atomic64_set(&iocg->vtime, now.vnow); 2995 atomic64_set(&iocg->done_vtime, now.vnow); 2996 atomic64_set(&iocg->active_period, atomic64_read(&ioc->cur_period)); 2997 INIT_LIST_HEAD(&iocg->active_list); 2998 INIT_LIST_HEAD(&iocg->walk_list); 2999 INIT_LIST_HEAD(&iocg->surplus_list); 3000 iocg->hweight_active = WEIGHT_ONE; 3001 iocg->hweight_inuse = WEIGHT_ONE; 3002 3003 init_waitqueue_head(&iocg->waitq); 3004 hrtimer_setup(&iocg->waitq_timer, iocg_waitq_timer_fn, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); 3005 > 3006 iocg->level = cgroup_level(blkg->blkcg->css.cgroup) 3007 3008 for (tblkg = blkg; tblkg; tblkg = tblkg->parent) { 3009 struct ioc_gq *tiocg = blkg_to_iocg(tblkg); 3010 iocg->ancestors[tiocg->level] = tiocg; 3011 } 3012 3013 spin_lock_irqsave(&ioc->lock, flags); 3014 weight_updated(iocg, &now); 3015 spin_unlock_irqrestore(&ioc->lock, flags); 3016 } 3017 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki