tree: https://github.com/alibaba/cloud-kernel.git linux-next head: 34e80779976780a7de3a79606ed73f634b1d2efc commit: 9e7b35d6d84e2361d56a113cf40139fe83f4ba37 [11100/11102] alinux: sched: Introduce per-cgroup iowait accounting config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 9e7b35d6d84e2361d56a113cf40139fe83f4ba37 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/compiler_types.h:64, from <command-line>: kernel/sched/fair.c: In function 'update_nr_iowait_fair': 10045 | clock = __rq_clock_broken(cpu_rq(p->cpu)); | ^~ include/linux/compiler-gcc.h:58:26: note: in definition of macro 'RELOC_HIDE' 58 | (typeof(ptr)) (__ptr + (off)); \ | ^~~ include/linux/percpu-defs.h:238:2: note: in expansion of macro 'SHIFT_PERCPU_PTR' 238 | SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))); \ | ^~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:238:26: note: in expansion of macro 'per_cpu_offset' 238 | SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))); \ | ^~~~~~~~~~~~~~ include/linux/percpu-defs.h:271:29: note: in expansion of macro 'per_cpu_ptr' 271 | #define per_cpu(var, cpu) (*per_cpu_ptr(&(var), cpu)) | ^~~~~~~~~~~ kernel/sched/sched.h:968:24: note: in expansion of macro 'per_cpu' 968 | #define cpu_rq(cpu) (&per_cpu(runqueues, (cpu))) | ^~~~~~~ kernel/sched/fair.c:10045:28: note: in expansion of macro 'cpu_rq' 10045 | clock = __rq_clock_broken(cpu_rq(p->cpu)); | ^~~~~~ vim +10045 kernel/sched/fair.c 10033 10034 #ifdef CONFIG_FAIR_GROUP_SCHED 10035 #ifdef CONFIG_SCHED_SLI 10036 static void update_nr_iowait_fair(struct task_struct *p, long inc) 10037 { 10038 unsigned long flags; 10039 struct sched_entity *se = p->se.parent; 10040 u64 clock; 10041 10042 if (!schedstat_enabled()) 10043 return; 10044 10045 clock = __rq_clock_broken(cpu_rq(p->cpu)); 10046 10047 for_each_sched_entity(se) { 10048 /* 10049 * Avoid locking rq->lock from try_to_wakeup hot path, in 10050 * the price of poor consistency among cgroup hierarchy, 10051 * which we can tolerate. 10052 * While accessing se->on_rq does need to hold rq->lock. We 10053 * already do, because when inc==1, the caller is __schedule 10054 * and task_move_group_fair 10055 */ 10056 spin_lock_irqsave(&se->iowait_lock, flags); 10057 if (!se->on_rq && !schedstat_val(se->cg_nr_iowait) && inc > 0) 10058 __schedstat_set(se->cg_iowait_start, clock); 10059 if (schedstat_val(se->cg_iowait_start) > 0 && 10060 schedstat_val(se->cg_nr_iowait) + inc == 0) { 10061 __schedstat_add(se->cg_iowait_sum, clock - 10062 schedstat_val(se->cg_iowait_start)); 10063 __schedstat_set(se->cg_iowait_start, 0); 10064 } 10065 __schedstat_add(se->cg_nr_iowait, inc); 10066 spin_unlock_irqrestore(&se->iowait_lock, flags); 10067 } 10068 } 10069 #else 10070 static void update_nr_iowait_fair(struct task_struct *p, long inc) {} 10071 #endif 10072 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org