12664 	struct perf_event_context *child_ctx, *clone_ctx = NULL;  in perf_event_exit_task_context()  local
12669 	child_ctx = perf_pin_task_context(child, ctxn);  in perf_event_exit_task_context()
12670 	if (!child_ctx)  in perf_event_exit_task_context()
12683 	mutex_lock(&child_ctx->mutex);  in perf_event_exit_task_context()
12690 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12691 	task_ctx_sched_out(__get_cpu_context(child_ctx), child_ctx, EVENT_ALL);  in perf_event_exit_task_context()
12698 	put_ctx(child_ctx); /* cannot be last */  in perf_event_exit_task_context()
12699 	WRITE_ONCE(child_ctx->task, TASK_TOMBSTONE);  in perf_event_exit_task_context()
12702 	clone_ctx = unclone_ctx(child_ctx);  in perf_event_exit_task_context()
12703 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12713 	perf_event_task(child, child_ctx, 0);  in perf_event_exit_task_context()
12715 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
12716 		perf_event_exit_event(child_event, child_ctx);  in perf_event_exit_task_context()
12718 	mutex_unlock(&child_ctx->mutex);  in perf_event_exit_task_context()
12720 	put_ctx(child_ctx);  in perf_event_exit_task_context()
12888 	      struct perf_event_context *child_ctx)  in inherit_event()  argument
12913 	    !child_ctx->task_ctx_data) {  in inherit_event()
12916 		child_ctx->task_ctx_data = alloc_task_ctx_data(pmu);  in inherit_event()
12917 		if (!child_ctx->task_ctx_data) {  in inherit_event()
12938 	get_ctx(child_ctx);  in inherit_event()
12960 	child_event->ctx = child_ctx;  in inherit_event()
12974 	raw_spin_lock_irqsave(&child_ctx->lock, flags);  in inherit_event()
12975 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
12977 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);  in inherit_event()
13002 	      struct perf_event_context *child_ctx)  in inherit_group()  argument
13009 				 child, NULL, child_ctx);  in inherit_group()
13019 					    child, leader, child_ctx);  in inherit_group()
13048 	struct perf_event_context *child_ctx;  in inherit_task_group()  local
13058 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
13059 	if (!child_ctx) {  in inherit_task_group()
13066 		child_ctx = alloc_perf_context(parent_ctx->pmu, child);  in inherit_task_group()
13067 		if (!child_ctx)  in inherit_task_group()
13070 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
13074 			    child, child_ctx);  in inherit_task_group()
13088 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
13152 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
13154 	if (child_ctx && inherited_all) {  in perf_event_init_context()
13164 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
13165 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
13167 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
13168 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
13170 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()