Hi Suren, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.20-rc7] [cannot apply to next-20181221] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Suren-Baghdasaryan/psi-pressure-stall-monitors/20181215-181714 config: i386-randconfig-i2-12162314 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): kernel/sched/psi.o: In function `psi_trigger_create': >> kernel/sched/psi.c:1029: undefined reference to `__udivdi3' kernel/sched/psi.o: In function `psi_trigger_destroy': kernel/sched/psi.c:1057: undefined reference to `__udivdi3' vim +1029 kernel/sched/psi.c 1006 1007 struct psi_trigger *psi_trigger_create(struct psi_group *group, 1008 enum psi_states state, u32 threshold_us, u32 win_sz_us) 1009 { 1010 struct psi_trigger *t; 1011 1012 if (static_branch_likely(&psi_disabled)) 1013 return ERR_PTR(-EOPNOTSUPP); 1014 1015 t = kzalloc(sizeof(*t), GFP_KERNEL); 1016 if (!t) 1017 return ERR_PTR(-ENOMEM); 1018 1019 t->group = group; 1020 t->state = state; 1021 t->threshold = threshold_us * NSEC_PER_USEC; 1022 t->win.size = win_sz_us * NSEC_PER_USEC; 1023 t->event = 0; 1024 init_waitqueue_head(&t->event_wait); 1025 1026 mutex_lock(&group->update_lock); 1027 1028 list_add(&t->node, &group->triggers); > 1029 group->trigger_min_period = min(group->trigger_min_period, 1030 t->win.size / PSI_TRIG_UPDATES_PER_WIN); 1031 group->nr_triggers[t->state]++; 1032 group->trigger_mask |= (1 << t->state); 1033 1034 mutex_unlock(&group->update_lock); 1035 1036 return t; 1037 } 1038 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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