linux-kernel - Re: [PATCH -next] rcu/tree: Make rcu_check_gp_start

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Date:   Fri, 22 Mar 2019 09:20:52 -0700
From:   "Paul E. McKenney" <paulmck@...ux.ibm.com>
To:     Yue Haibing <yuehaibing@...wei.com>
Cc:     josh@...htriplett.org, rostedt@...dmis.org,
        mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
        joel@...lfernandes.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] rcu/tree: Make rcu_check_gp_start_stall static

On Fri, Mar 22, 2019 at 10:26:59PM +0800, Yue Haibing wrote:
> From: YueHaibing <yuehaibing@...wei.com>
> 
> Fix sparse warning:
> 
> kernel/rcu/tree.c:2643:1: warning:
>  symbol 'rcu_check_gp_start_stall' was not declared. Should it be static?
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Good eyes!

But someone beat you to this.  Please see branch "dev" of -rcu:

git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git

							Thanx, Paul

> ---
>  kernel/rcu/tree.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
> index acd6ccf..ed3ef40 100644
> --- a/kernel/rcu/tree.c
> +++ b/kernel/rcu/tree.c
> @@ -2639,7 +2639,7 @@ EXPORT_SYMBOL_GPL(rcu_force_quiescent_state);
>   * This function checks for grace-period requests that fail to motivate
>   * RCU to come out of its idle mode.
>   */
> -void
> +static void
>  rcu_check_gp_start_stall(struct rcu_node *rnp, struct rcu_data *rdp,
>  			 const unsigned long gpssdelay)
>  {
> -- 
> 2.7.0
> 
>