13737 	struct perf_event_context *child_ctx, *clone_ctx = NULL;  in perf_event_exit_task_context()  local
13742 	child_ctx = perf_pin_task_context(child);  in perf_event_exit_task_context()
13743 	if (!child_ctx)  in perf_event_exit_task_context()
13756 	mutex_lock(&child_ctx->mutex);  in perf_event_exit_task_context()
13763 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
13764 	task_ctx_sched_out(child_ctx, NULL, EVENT_ALL);  in perf_event_exit_task_context()
13771 	put_ctx(child_ctx); /* cannot be last */  in perf_event_exit_task_context()
13772 	WRITE_ONCE(child_ctx->task, TASK_TOMBSTONE);  in perf_event_exit_task_context()
13775 	clone_ctx = unclone_ctx(child_ctx);  in perf_event_exit_task_context()
13776 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
13786 	perf_event_task(child, child_ctx, 0);  in perf_event_exit_task_context()
13788 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
13789 		perf_event_exit_event(child_event, child_ctx);  in perf_event_exit_task_context()
13791 	mutex_unlock(&child_ctx->mutex);  in perf_event_exit_task_context()
13793 	put_ctx(child_ctx);  in perf_event_exit_task_context()
13967 	      struct perf_event_context *child_ctx)  in inherit_event()  argument
13991 	get_ctx(child_ctx);  in inherit_event()
13992 	child_event->ctx = child_ctx;  in inherit_event()
13994 	pmu_ctx = find_get_pmu_context(child_event->pmu, child_ctx, child_event);  in inherit_event()
14048 	raw_spin_lock_irqsave(&child_ctx->lock, flags);  in inherit_event()
14049 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
14051 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);  in inherit_event()
14076 	      struct perf_event_context *child_ctx)  in inherit_group()  argument
14083 				 child, NULL, child_ctx);  in inherit_group()
14093 					    child, leader, child_ctx);  in inherit_group()
14123 	struct perf_event_context *child_ctx;  in inherit_task_group()  local
14134 	child_ctx = child->perf_event_ctxp;  in inherit_task_group()
14135 	if (!child_ctx) {  in inherit_task_group()
14142 		child_ctx = alloc_perf_context(child);  in inherit_task_group()
14143 		if (!child_ctx)  in inherit_task_group()
14146 		child->perf_event_ctxp = child_ctx;  in inherit_task_group()
14149 	ret = inherit_group(event, parent, parent_ctx, child, child_ctx);  in inherit_task_group()
14161 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
14223 	child_ctx = child->perf_event_ctxp;  in perf_event_init_context()
14225 	if (child_ctx && inherited_all) {  in perf_event_init_context()
14235 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
14236 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
14238 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
14239 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
14241 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()