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McKenney" Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Gabriele Monaco , Shuah Khan Subject: Re: [PATCH v10 2/3] sched: Move task_mm_cid_work to mm work_struct Message-ID: <202502271546.WRb9VN4H-lkp@intel.com> References: <20250226070202.95062-3-gmonaco@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250226070202.95062-3-gmonaco@redhat.com> X-Rspamd-Queue-Id: 66248A0009 X-Stat-Signature: o8uoe7dx6d7i77arspqu8q5cbo1z3jhq X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1740642519-884278 X-HE-Meta: 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 myXSViLU MQjvjGFVQJIz4gpwSSiszBm/2ZCndkcujXRc1665DQR3o4T9AlrpsP67pi4XVVsjGW8JqnBISC4Mv0o3Cyz8WqfitjdqWBgo66Z/WHZ6Q0LEBmvmKb/tEgVb50UyVDz45vZ1/4GyGSPpu35+DlOCC2EzmUcU70Edx8QPLbnyv65TYnmJvxRgAm+EcVdUN/hPh5gTheTEFBOgqxHpfYh9bIdip78KI7t4SbbE0yHbmIyUA2JLHLkxq8bbyHpH0mIsTqGXVOkWrrTD70cSf5FoG818Y/yGh1SGSNCGNlL5FxZip9iPAEY/9D857nsVWST2SaVRruMkgvLbY0W29EoTuTKa9SdGGHIBqhnt1MtgIsWfRFpRfBmguoDTUB7aqyfwRQEmqisUiTU3hbQ5bo/CCcOz40g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Gabriele, kernel test robot noticed the following build errors: [auto build test ERROR on ac9c34d1e45a4c25174ced4fc0cfc33ff3ed08c7] url: https://github.com/intel-lab-lkp/linux/commits/Gabriele-Monaco/sched-Add-prev_sum_exec_runtime-support-for-RT-DL-and-SCX-classes/20250226-150508 base: ac9c34d1e45a4c25174ced4fc0cfc33ff3ed08c7 patch link: https://lore.kernel.org/r/20250226070202.95062-3-gmonaco%40redhat.com patch subject: [PATCH v10 2/3] sched: Move task_mm_cid_work to mm work_struct config: arc-randconfig-002-20250227 (https://download.01.org/0day-ci/archive/20250227/202502271546.WRb9VN4H-lkp@intel.com/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250227/202502271546.WRb9VN4H-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/202502271546.WRb9VN4H-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/core.c: In function 'sched_tick': >> kernel/sched/core.c:5667:21: error: 'RSEQ_UNPREEMPTED_THRESHOLD' undeclared (first use in this function) 5667 | if (rtime > RSEQ_UNPREEMPTED_THRESHOLD) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c:5667:21: note: each undeclared identifier is reported only once for each function it appears in vim +/RSEQ_UNPREEMPTED_THRESHOLD +5667 kernel/sched/core.c 5629 5630 /* 5631 * This function gets called by the timer code, with HZ frequency. 5632 * We call it with interrupts disabled. 5633 */ 5634 void sched_tick(void) 5635 { 5636 int cpu = smp_processor_id(); 5637 struct rq *rq = cpu_rq(cpu); 5638 /* accounting goes to the donor task */ 5639 struct task_struct *donor; 5640 struct rq_flags rf; 5641 unsigned long hw_pressure; 5642 u64 resched_latency, rtime; 5643 5644 if (housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE)) 5645 arch_scale_freq_tick(); 5646 5647 sched_clock_tick(); 5648 5649 rq_lock(rq, &rf); 5650 donor = rq->donor; 5651 rtime = donor->se.sum_exec_runtime - donor->se.prev_sum_exec_runtime; 5652 5653 psi_account_irqtime(rq, donor, NULL); 5654 5655 update_rq_clock(rq); 5656 hw_pressure = arch_scale_hw_pressure(cpu_of(rq)); 5657 update_hw_load_avg(rq_clock_task(rq), rq, hw_pressure); 5658 5659 if (dynamic_preempt_lazy() && tif_test_bit(TIF_NEED_RESCHED_LAZY)) 5660 resched_curr(rq); 5661 5662 donor->sched_class->task_tick(rq, donor, 0); 5663 if (sched_feat(LATENCY_WARN)) 5664 resched_latency = cpu_resched_latency(rq); 5665 calc_global_load_tick(rq); 5666 sched_core_tick(rq); > 5667 if (rtime > RSEQ_UNPREEMPTED_THRESHOLD) 5668 rseq_preempt(donor); 5669 scx_tick(rq); 5670 5671 rq_unlock(rq, &rf); 5672 5673 if (sched_feat(LATENCY_WARN) && resched_latency) 5674 resched_latency_warn(cpu, resched_latency); 5675 5676 perf_event_task_tick(); 5677 5678 if (donor->flags & PF_WQ_WORKER) 5679 wq_worker_tick(donor); 5680 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki