13023 	struct perf_event_context *child_ctx, *clone_ctx = NULL;  in perf_event_exit_task_context()  local
13028 	child_ctx = perf_pin_task_context(child);  in perf_event_exit_task_context()
13029 	if (!child_ctx)  in perf_event_exit_task_context()
13042 	mutex_lock(&child_ctx->mutex);  in perf_event_exit_task_context()
13049 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
13050 	task_ctx_sched_out(child_ctx, EVENT_ALL);  in perf_event_exit_task_context()
13057 	put_ctx(child_ctx); /* cannot be last */  in perf_event_exit_task_context()
13058 	WRITE_ONCE(child_ctx->task, TASK_TOMBSTONE);  in perf_event_exit_task_context()
13061 	clone_ctx = unclone_ctx(child_ctx);  in perf_event_exit_task_context()
13062 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
13072 	perf_event_task(child, child_ctx, 0);  in perf_event_exit_task_context()
13074 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
13075 		perf_event_exit_event(child_event, child_ctx);  in perf_event_exit_task_context()
13077 	mutex_unlock(&child_ctx->mutex);  in perf_event_exit_task_context()
13079 	put_ctx(child_ctx);  in perf_event_exit_task_context()
13240 	      struct perf_event_context *child_ctx)  in inherit_event()  argument
13264 	pmu_ctx = find_get_pmu_context(child_event->pmu, child_ctx, child_event);  in inherit_event()
13286 	get_ctx(child_ctx);  in inherit_event()
13308 	child_event->ctx = child_ctx;  in inherit_event()
13322 	raw_spin_lock_irqsave(&child_ctx->lock, flags);  in inherit_event()
13323 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
13325 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);  in inherit_event()
13350 	      struct perf_event_context *child_ctx)  in inherit_group()  argument
13357 				 child, NULL, child_ctx);  in inherit_group()
13367 					    child, leader, child_ctx);  in inherit_group()
13397 	struct perf_event_context *child_ctx;  in inherit_task_group()  local
13408 	child_ctx = child->perf_event_ctxp;  in inherit_task_group()
13409 	if (!child_ctx) {  in inherit_task_group()
13416 		child_ctx = alloc_perf_context(child);  in inherit_task_group()
13417 		if (!child_ctx)  in inherit_task_group()
13420 		child->perf_event_ctxp = child_ctx;  in inherit_task_group()
13423 	ret = inherit_group(event, parent, parent_ctx, child, child_ctx);  in inherit_task_group()
13435 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
13497 	child_ctx = child->perf_event_ctxp;  in perf_event_init_context()
13499 	if (child_ctx && inherited_all) {  in perf_event_init_context()
13509 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
13510 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
13512 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
13513 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
13515 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()