linux-kernel - Re: [RFC PATCH rcu] rcutorture: err_segs

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Message-Id: <20180717040346.GE12945@linux.vnet.ibm.com>
Date:   Mon, 16 Jul 2018 21:03:46 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     kbuild test robot <fengguang.wu@...el.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH rcu] rcutorture: err_segs_recorded can be static

On Tue, Jul 17, 2018 at 09:44:52AM +0800, kbuild test robot wrote:
> 
> Fixes: 07809ecaa895 ("rcutorture: Dump reader protection sequence if failures or close calls")
> Signed-off-by: kbuild test robot <fengguang.wu@...el.com>

Good catch!  I have folded this in with attribution.

							Thanx, Paul

> ---
>  rcutorture.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
> index ef85bde..a7a947e 100644
> --- a/kernel/rcu/rcutorture.c
> +++ b/kernel/rcu/rcutorture.c
> @@ -209,9 +209,9 @@ struct rt_read_seg {
>  	unsigned long rt_delay_us;
>  	bool rt_preempted;
>  };
> -int err_segs_recorded;
> -struct rt_read_seg err_segs[RCUTORTURE_RDR_MAX_SEGS];
> -int rt_read_nsegs;
> +static int err_segs_recorded;
> +static struct rt_read_seg err_segs[RCUTORTURE_RDR_MAX_SEGS];
> +static int rt_read_nsegs;
> 
>  static const char *rcu_torture_writer_state_getname(void)
>  {
>