11492 		      struct perf_event_context *child_ctx,  in perf_event_exit_event()  argument
11509 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_event()
11510 	WARN_ON_ONCE(child_ctx->is_active);  in perf_event_exit_event()
11514 	list_del_event(child_event, child_ctx);  in perf_event_exit_event()
11516 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_event()
11549 	struct perf_event_context *child_ctx, *clone_ctx = NULL;  in perf_event_exit_task_context()  local
11554 	child_ctx = perf_pin_task_context(child, ctxn);  in perf_event_exit_task_context()
11555 	if (!child_ctx)  in perf_event_exit_task_context()
11568 	mutex_lock(&child_ctx->mutex);  in perf_event_exit_task_context()
11575 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
11576 	task_ctx_sched_out(__get_cpu_context(child_ctx), child_ctx, EVENT_ALL);  in perf_event_exit_task_context()
11583 	put_ctx(child_ctx); /* cannot be last */  in perf_event_exit_task_context()
11584 	WRITE_ONCE(child_ctx->task, TASK_TOMBSTONE);  in perf_event_exit_task_context()
11587 	clone_ctx = unclone_ctx(child_ctx);  in perf_event_exit_task_context()
11588 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
11598 	perf_event_task(child, child_ctx, 0);  in perf_event_exit_task_context()
11600 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
11601 		perf_event_exit_event(child_event, child_ctx, child);  in perf_event_exit_task_context()
11603 	mutex_unlock(&child_ctx->mutex);  in perf_event_exit_task_context()
11605 	put_ctx(child_ctx);  in perf_event_exit_task_context()
11773 	      struct perf_event_context *child_ctx)  in inherit_event()  argument
11798 	    !child_ctx->task_ctx_data) {  in inherit_event()
11801 		child_ctx->task_ctx_data = kzalloc(pmu->task_ctx_size,  in inherit_event()
11803 		if (!child_ctx->task_ctx_data) {  in inherit_event()
11824 	get_ctx(child_ctx);  in inherit_event()
11846 	child_event->ctx = child_ctx;  in inherit_event()
11860 	raw_spin_lock_irqsave(&child_ctx->lock, flags);  in inherit_event()
11861 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
11862 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);  in inherit_event()
11887 	      struct perf_event_context *child_ctx)  in inherit_group()  argument
11894 				 child, NULL, child_ctx);  in inherit_group()
11904 					    child, leader, child_ctx);  in inherit_group()
11933 	struct perf_event_context *child_ctx;  in inherit_task_group()  local
11940 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
11941 	if (!child_ctx) {  in inherit_task_group()
11948 		child_ctx = alloc_perf_context(parent_ctx->pmu, child);  in inherit_task_group()
11949 		if (!child_ctx)  in inherit_task_group()
11952 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
11956 			    child, child_ctx);  in inherit_task_group()
11969 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
12031 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
12033 	if (child_ctx && inherited_all) {  in perf_event_init_context()
12043 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
12044 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
12046 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
12047 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
12049 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()