12947 	struct perf_event_context *child_ctx, *clone_ctx = NULL;  in perf_event_exit_task_context()  local
12952 	child_ctx = perf_pin_task_context(child, ctxn);  in perf_event_exit_task_context()
12953 	if (!child_ctx)  in perf_event_exit_task_context()
12966 	mutex_lock(&child_ctx->mutex);  in perf_event_exit_task_context()
12973 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12974 	task_ctx_sched_out(__get_cpu_context(child_ctx), child_ctx, EVENT_ALL);  in perf_event_exit_task_context()
12981 	put_ctx(child_ctx); /* cannot be last */  in perf_event_exit_task_context()
12982 	WRITE_ONCE(child_ctx->task, TASK_TOMBSTONE);  in perf_event_exit_task_context()
12985 	clone_ctx = unclone_ctx(child_ctx);  in perf_event_exit_task_context()
12986 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12996 	perf_event_task(child, child_ctx, 0);  in perf_event_exit_task_context()
12998 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
12999 		perf_event_exit_event(child_event, child_ctx);  in perf_event_exit_task_context()
13001 	mutex_unlock(&child_ctx->mutex);  in perf_event_exit_task_context()
13003 	put_ctx(child_ctx);  in perf_event_exit_task_context()
13171 	      struct perf_event_context *child_ctx)  in inherit_event()  argument
13196 	    !child_ctx->task_ctx_data) {  in inherit_event()
13199 		child_ctx->task_ctx_data = alloc_task_ctx_data(pmu);  in inherit_event()
13200 		if (!child_ctx->task_ctx_data) {  in inherit_event()
13221 	get_ctx(child_ctx);  in inherit_event()
13243 	child_event->ctx = child_ctx;  in inherit_event()
13257 	raw_spin_lock_irqsave(&child_ctx->lock, flags);  in inherit_event()
13258 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
13260 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);  in inherit_event()
13285 	      struct perf_event_context *child_ctx)  in inherit_group()  argument
13292 				 child, NULL, child_ctx);  in inherit_group()
13302 					    child, leader, child_ctx);  in inherit_group()
13332 	struct perf_event_context *child_ctx;  in inherit_task_group()  local
13342 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
13343 	if (!child_ctx) {  in inherit_task_group()
13350 		child_ctx = alloc_perf_context(parent_ctx->pmu, child);  in inherit_task_group()
13351 		if (!child_ctx)  in inherit_task_group()
13354 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
13358 			    child, child_ctx);  in inherit_task_group()
13372 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
13436 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
13438 	if (child_ctx && inherited_all) {  in perf_event_init_context()
13448 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
13449 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
13451 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
13452 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
13454 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()