1190 		if (ctx->parent_ctx)  in put_ctx()
1191 			put_ctx(ctx->parent_ctx);  in put_ctx()
1309 	struct perf_event_context *parent_ctx = ctx->parent_ctx;  in unclone_ctx()  local
1313 	if (parent_ctx)  in unclone_ctx()
1314 		ctx->parent_ctx = NULL;  in unclone_ctx()
1317 	return parent_ctx;  in unclone_ctx()
3083 	if (ctx1 == ctx2->parent_ctx && ctx1->generation == ctx2->parent_gen)  in context_equiv()
3087 	if (ctx1->parent_ctx == ctx2 && ctx1->parent_gen == ctx2->generation)  in context_equiv()
3094 	if (ctx1->parent_ctx && ctx1->parent_ctx == ctx2->parent_ctx &&  in context_equiv()
3187 	parent = rcu_dereference(ctx->parent_ctx);  in perf_event_context_sched_out()
3188 	next_parent = rcu_dereference(next_ctx->parent_ctx);  in perf_event_context_sched_out()
4689 	WARN_ON_ONCE(ctx->parent_ctx);  in perf_event_release_kernel()
4979 	WARN_ON_ONCE(event->ctx->parent_ctx);  in __perf_read()
5043 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_event_for_each_child()
5796 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_mmap()
11199 	WARN_ON_ONCE(ctx->parent_ctx);  in SYSCALL_DEFINE5()
11360 	WARN_ON_ONCE(ctx->parent_ctx);  in perf_event_create_kernel_counter()
11534 	WARN_ON_ONCE(parent_event->ctx->parent_ctx);  in perf_event_exit_event()
11770 	      struct perf_event_context *parent_ctx,  in inherit_event()  argument
11885 	      struct perf_event_context *parent_ctx,  in inherit_group()  argument
11893 	leader = inherit_event(parent_event, parent, parent_ctx,  in inherit_group()
11903 		child_ctr = inherit_event(sub, parent, parent_ctx,  in inherit_group()
11928 		   struct perf_event_context *parent_ctx,  in inherit_task_group()  argument
11948 		child_ctx = alloc_perf_context(parent_ctx->pmu, child);  in inherit_task_group()
11955 	ret = inherit_group(event, parent, parent_ctx,  in inherit_task_group()
11969 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
11984 	parent_ctx = perf_pin_task_context(parent, ctxn);  in perf_event_init_context()
11985 	if (!parent_ctx)  in perf_event_init_context()
11999 	mutex_lock(&parent_ctx->mutex);  in perf_event_init_context()
12005 	perf_event_groups_for_each(event, &parent_ctx->pinned_groups) {  in perf_event_init_context()
12006 		ret = inherit_task_group(event, parent, parent_ctx,  in perf_event_init_context()
12017 	raw_spin_lock_irqsave(&parent_ctx->lock, flags);  in perf_event_init_context()
12018 	parent_ctx->rotate_disable = 1;  in perf_event_init_context()
12019 	raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);  in perf_event_init_context()
12021 	perf_event_groups_for_each(event, &parent_ctx->flexible_groups) {  in perf_event_init_context()
12022 		ret = inherit_task_group(event, parent, parent_ctx,  in perf_event_init_context()
12028 	raw_spin_lock_irqsave(&parent_ctx->lock, flags);  in perf_event_init_context()
12029 	parent_ctx->rotate_disable = 0;  in perf_event_init_context()
12041 		cloned_ctx = parent_ctx->parent_ctx;  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()
12052 	raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);  in perf_event_init_context()
12054 	mutex_unlock(&parent_ctx->mutex);  in perf_event_init_context()
12056 	perf_unpin_context(parent_ctx);  in perf_event_init_context()
12057 	put_ctx(parent_ctx);  in perf_event_init_context()