Subject: Re: [PATCH v2 3/9] rcu/sync: Remove custom check for reader-section

From: Oleg Nesterov <[email-masked]>
Date: Mon, 15 Jul 2019 09:26:48 +0200

On 07/12, Joel Fernandes wrote:
>
>  static inline bool rcu_sync_is_idle(struct rcu_sync *rsp)
>  {
> -	RCU_LOCKDEP_WARN(!rcu_read_lock_held() &&
> -			 !rcu_read_lock_bh_held() &&
> -			 !rcu_read_lock_sched_held(),
> +	RCU_LOCKDEP_WARN(!rcu_read_lock_any_held(),

Yes, this is what I meant.

Sorry for confusion, I should have mentioned that rcu_sync_is_idle()
was recently updated when I suggested to use the new helper.

Acked-by: Oleg Nesterov <[email-masked]>