kernel/time/timer_migration.c

434  * Returns true, when @childmask corresponds to the group migrator or when the
437 static bool tmigr_check_migrator(struct tmigr_group *group, u8 childmask)
443 	if ((s.migrator == childmask) || (s.migrator == TMIGR_NONE))
449 static bool tmigr_check_migrator_and_lonely(struct tmigr_group *group, u8 childmask)
457 	if ((s.migrator == childmask) || (s.migrator == TMIGR_NONE))
513  * @childmask:		childmask of child group
521 	u8			childmask;
533  * @childmask:		childmask of child group
546 	u8		childmask;
626 	u8 childmask;
628 	childmask = data->childmask;
641 			newstate.migrator = childmask;
647 		newstate.active |= childmask;
653 		data->childmask = group->childmask;
669 	trace_tmigr_group_set_cpu_active(group, newstate, childmask);
678 	data.childmask = tmc->childmask;
1003 	u8 childmask;
1009 	childmask = data->childmask;
1014 	 * Handle the group only if @childmask is the migrator or if the
1018 	if (!tmigr_check_migrator(group, childmask))
1037 	 * Update of childmask for the next level and keep track of the expiry
1042 	data->childmask = group->childmask;
1063 	data.childmask = tmc->childmask;
1071 	if (!tmigr_check_migrator(tmc->tmgroup, tmc->childmask)) {
1103 	u8 childmask;
1105 	childmask = data->childmask;
1112 	if (!tmigr_check_migrator(group, childmask))
1147 	/* Update of childmask for the next level */
1148 	data->childmask = group->childmask;
1168 	data.childmask = tmc->childmask;
1253 	u8 childmask;
1255 	childmask = data->childmask;
1275 			newstate.active &= ~childmask;
1277 		if (newstate.migrator == childmask) {
1321 		data->childmask = group->childmask;
1334 	trace_tmigr_group_set_cpu_inactive(group, newstate, childmask);
1344 				   .childmask = tmc->childmask };
1422 	if (!tmigr_check_migrator_and_lonely(tmc->tmgroup, tmc->childmask))
1525 	child->childmask = BIT(parent->num_children++);
1552 		data.childmask = child->childmask;
1619 			tmc->childmask = BIT(group->num_children++);
1680 		if (tmc->childmask == 0)