12242 		      struct perf_event_context *child_ctx,  in perf_event_exit_event()  argument
12259 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_event()
12260 	WARN_ON_ONCE(child_ctx->is_active);  in perf_event_exit_event()
12264 	list_del_event(child_event, child_ctx);  in perf_event_exit_event()
12266 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_event()
12299 	struct perf_event_context *child_ctx, *clone_ctx = NULL;  in perf_event_exit_task_context()  local
12304 	child_ctx = perf_pin_task_context(child, ctxn);  in perf_event_exit_task_context()
12305 	if (!child_ctx)  in perf_event_exit_task_context()
12318 	mutex_lock(&child_ctx->mutex);  in perf_event_exit_task_context()
12325 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12326 	task_ctx_sched_out(__get_cpu_context(child_ctx), child_ctx, EVENT_ALL);  in perf_event_exit_task_context()
12333 	put_ctx(child_ctx); /* cannot be last */  in perf_event_exit_task_context()
12334 	WRITE_ONCE(child_ctx->task, TASK_TOMBSTONE);  in perf_event_exit_task_context()
12337 	clone_ctx = unclone_ctx(child_ctx);  in perf_event_exit_task_context()
12338 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12348 	perf_event_task(child, child_ctx, 0);  in perf_event_exit_task_context()
12350 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
12351 		perf_event_exit_event(child_event, child_ctx, child);  in perf_event_exit_task_context()
12353 	mutex_unlock(&child_ctx->mutex);  in perf_event_exit_task_context()
12355 	put_ctx(child_ctx);  in perf_event_exit_task_context()
12523 	      struct perf_event_context *child_ctx)  in inherit_event()  argument
12548 	    !child_ctx->task_ctx_data) {  in inherit_event()
12551 		child_ctx->task_ctx_data = alloc_task_ctx_data(pmu);  in inherit_event()
12552 		if (!child_ctx->task_ctx_data) {  in inherit_event()
12573 	get_ctx(child_ctx);  in inherit_event()
12595 	child_event->ctx = child_ctx;  in inherit_event()
12609 	raw_spin_lock_irqsave(&child_ctx->lock, flags);  in inherit_event()
12610 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
12611 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);  in inherit_event()
12636 	      struct perf_event_context *child_ctx)  in inherit_group()  argument
12643 				 child, NULL, child_ctx);  in inherit_group()
12653 					    child, leader, child_ctx);  in inherit_group()
12682 	struct perf_event_context *child_ctx;  in inherit_task_group()  local
12689 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
12690 	if (!child_ctx) {  in inherit_task_group()
12697 		child_ctx = alloc_perf_context(parent_ctx->pmu, child);  in inherit_task_group()
12698 		if (!child_ctx)  in inherit_task_group()
12701 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
12705 			    child, child_ctx);  in inherit_task_group()
12718 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
12780 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
12782 	if (child_ctx && inherited_all) {  in perf_event_init_context()
12792 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
12793 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
12795 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
12796 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
12798 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()