1268 		if (ctx->parent_ctx)  in put_ctx()
1269 			put_ctx(ctx->parent_ctx);  in put_ctx()
1388 	struct perf_event_context *parent_ctx = ctx->parent_ctx;  in unclone_ctx()  local
1392 	if (parent_ctx)  in unclone_ctx()
1393 		ctx->parent_ctx = NULL;  in unclone_ctx()
1396 	return parent_ctx;  in unclone_ctx()
3334 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_event_modify_attr()
3489 	if (ctx1 == ctx2->parent_ctx && ctx1->generation == ctx2->parent_gen)  in context_equiv()
3493 	if (ctx1->parent_ctx == ctx2 && ctx1->parent_gen == ctx2->generation)  in context_equiv()
3500 	if (ctx1->parent_ctx && ctx1->parent_ctx == ctx2->parent_ctx &&  in context_equiv()
3601 	parent = rcu_dereference(ctx->parent_ctx);  in perf_event_context_sched_out()
3602 	next_parent = rcu_dereference(next_ctx->parent_ctx);  in perf_event_context_sched_out()
5708 	WARN_ON_ONCE(ctx->parent_ctx);  in perf_event_release_kernel()
6038 	WARN_ON_ONCE(event->ctx->parent_ctx);  in __perf_read()
6128 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_event_for_each_child()
6890 		WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_mmap()
13348 	WARN_ON_ONCE(ctx->parent_ctx);  in SYSCALL_DEFINE5()
13504 	WARN_ON_ONCE(ctx->parent_ctx);  in perf_event_create_kernel_counter()
13964 	      struct perf_event_context *parent_ctx,  in inherit_event()  argument
14074 	      struct perf_event_context *parent_ctx,  in inherit_group()  argument
14082 	leader = inherit_event(parent_event, parent, parent_ctx,  in inherit_group()
14092 		child_ctr = inherit_event(sub, parent, parent_ctx,  in inherit_group()
14119 		   struct perf_event_context *parent_ctx,  in inherit_task_group()  argument
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
14176 	parent_ctx = perf_pin_task_context(parent);  in perf_event_init_context()
14177 	if (!parent_ctx)  in perf_event_init_context()
14191 	mutex_lock(&parent_ctx->mutex);  in perf_event_init_context()
14197 	perf_event_groups_for_each(event, &parent_ctx->pinned_groups) {  in perf_event_init_context()
14198 		ret = inherit_task_group(event, parent, parent_ctx,  in perf_event_init_context()
14209 	raw_spin_lock_irqsave(&parent_ctx->lock, flags);  in perf_event_init_context()
14210 	parent_ctx->rotate_disable = 1;  in perf_event_init_context()
14211 	raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);  in perf_event_init_context()
14213 	perf_event_groups_for_each(event, &parent_ctx->flexible_groups) {  in perf_event_init_context()
14214 		ret = inherit_task_group(event, parent, parent_ctx,  in perf_event_init_context()
14220 	raw_spin_lock_irqsave(&parent_ctx->lock, flags);  in perf_event_init_context()
14221 	parent_ctx->rotate_disable = 0;  in perf_event_init_context()
14233 		cloned_ctx = parent_ctx->parent_ctx;  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()
14244 	raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);  in perf_event_init_context()
14246 	mutex_unlock(&parent_ctx->mutex);  in perf_event_init_context()
14248 	perf_unpin_context(parent_ctx);  in perf_event_init_context()
14249 	put_ctx(parent_ctx);  in perf_event_init_context()