1189 		if (ctx->parent_ctx)  in put_ctx()
1190 			put_ctx(ctx->parent_ctx);  in put_ctx()
1307 	struct perf_event_context *parent_ctx = ctx->parent_ctx;  in unclone_ctx()  local
1311 	if (parent_ctx)  in unclone_ctx()
1312 		ctx->parent_ctx = NULL;  in unclone_ctx()
1315 	return parent_ctx;  in unclone_ctx()
2974 	if (ctx1 == ctx2->parent_ctx && ctx1->generation == ctx2->parent_gen)  in context_equiv()
2978 	if (ctx1->parent_ctx == ctx2 && ctx1->parent_gen == ctx2->generation)  in context_equiv()
2985 	if (ctx1->parent_ctx && ctx1->parent_ctx == ctx2->parent_ctx &&  in context_equiv()
3078 	parent = rcu_dereference(ctx->parent_ctx);  in perf_event_context_sched_out()
3079 	next_parent = rcu_dereference(next_ctx->parent_ctx);  in perf_event_context_sched_out()
4560 	WARN_ON_ONCE(ctx->parent_ctx);  in perf_event_release_kernel()
4841 	WARN_ON_ONCE(event->ctx->parent_ctx);  in __perf_read()
4905 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_event_for_each_child()
5644 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_mmap()
10699 	WARN_ON_ONCE(ctx->parent_ctx);  in SYSCALL_DEFINE5()
10854 	WARN_ON_ONCE(ctx->parent_ctx);  in perf_event_create_kernel_counter()
11028 	WARN_ON_ONCE(parent_event->ctx->parent_ctx);  in perf_event_exit_event()
11250 	      struct perf_event_context *parent_ctx,  in inherit_event()  argument
11365 	      struct perf_event_context *parent_ctx,  in inherit_group()  argument
11373 	leader = inherit_event(parent_event, parent, parent_ctx,  in inherit_group()
11383 		child_ctr = inherit_event(sub, parent, parent_ctx,  in inherit_group()
11404 		   struct perf_event_context *parent_ctx,  in inherit_task_group()  argument
11424 		child_ctx = alloc_perf_context(parent_ctx->pmu, child);  in inherit_task_group()
11431 	ret = inherit_group(event, parent, parent_ctx,  in inherit_task_group()
11445 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
11460 	parent_ctx = perf_pin_task_context(parent, ctxn);  in perf_event_init_context()
11461 	if (!parent_ctx)  in perf_event_init_context()
11475 	mutex_lock(&parent_ctx->mutex);  in perf_event_init_context()
11481 	perf_event_groups_for_each(event, &parent_ctx->pinned_groups) {  in perf_event_init_context()
11482 		ret = inherit_task_group(event, parent, parent_ctx,  in perf_event_init_context()
11493 	raw_spin_lock_irqsave(&parent_ctx->lock, flags);  in perf_event_init_context()
11494 	parent_ctx->rotate_disable = 1;  in perf_event_init_context()
11495 	raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);  in perf_event_init_context()
11497 	perf_event_groups_for_each(event, &parent_ctx->flexible_groups) {  in perf_event_init_context()
11498 		ret = inherit_task_group(event, parent, parent_ctx,  in perf_event_init_context()
11504 	raw_spin_lock_irqsave(&parent_ctx->lock, flags);  in perf_event_init_context()
11505 	parent_ctx->rotate_disable = 0;  in perf_event_init_context()
11517 		cloned_ctx = parent_ctx->parent_ctx;  in perf_event_init_context()
11519 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
11520 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
11522 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
11523 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
11525 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()
11528 	raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);  in perf_event_init_context()
11530 	mutex_unlock(&parent_ctx->mutex);  in perf_event_init_context()
11532 	perf_unpin_context(parent_ctx);  in perf_event_init_context()
11533 	put_ctx(parent_ctx);  in perf_event_init_context()