linux-kernel - Re: [PATCH v2 1/2] scftorture: Always log error message

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Date:   Wed, 3 Nov 2021 11:05:55 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Li Zhijian <zhijianx.li@...el.com>
Cc:     rcu@...r.kernel.org, linux-kernel@...r.kernel.org,
        lizhijian@...fujitsu.com, philip.li@...el.com,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH v2 1/2] scftorture: Always log error message

On Wed, Nov 03, 2021 at 04:30:27PM +0800, Li Zhijian wrote:
> Unconditionally log messages corresponding to errors.
> 
> Acked-by: Davidlohr Bueso <dbueso@...e.de>
> Signed-off-by: Li Zhijian <zhijianx.li@...el.com>

I have queued both for the v5.17 (not current, but next) merge window.
Thank you!

							Thanx, Paul

> ---
> V2: rebase against rcu tree
> ---
>  kernel/scftorture.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/kernel/scftorture.c b/kernel/scftorture.c
> index a0df767897a1..dcb0410950e4 100644
> --- a/kernel/scftorture.c
> +++ b/kernel/scftorture.c
> @@ -41,8 +41,7 @@
>  #define VERBOSE_SCFTORTOUT(s, x...) \
>  	do { if (verbose) pr_alert(SCFTORT_FLAG s "\n", ## x); } while (0)
>  
> -#define VERBOSE_SCFTORTOUT_ERRSTRING(s, x...) \
> -	do { if (verbose) pr_alert(SCFTORT_FLAG "!!! " s "\n", ## x); } while (0)
> +#define SCFTORTOUT_ERRSTRING(s, x...) pr_alert(SCFTORT_FLAG "!!! " s "\n", ## x)
>  
>  MODULE_LICENSE("GPL");
>  MODULE_AUTHOR("Paul E. McKenney <paulmck@...nel.org>");
> @@ -584,14 +583,14 @@ static int __init scf_torture_init(void)
>  	if (weight_resched1 == 0 && weight_single1 == 0 && weight_single_rpc1 == 0 &&
>  	    weight_single_wait1 == 0 && weight_many1 == 0 && weight_many_wait1 == 0 &&
>  	    weight_all1 == 0 && weight_all_wait1 == 0) {
> -		VERBOSE_SCFTORTOUT_ERRSTRING("all zero weights makes no sense");
> +		SCFTORTOUT_ERRSTRING("all zero weights makes no sense");
>  		firsterr = -EINVAL;
>  		goto unwind;
>  	}
>  	if (IS_BUILTIN(CONFIG_SCF_TORTURE_TEST))
>  		scf_sel_add(weight_resched1, SCF_PRIM_RESCHED, false);
>  	else if (weight_resched1)
> -		VERBOSE_SCFTORTOUT_ERRSTRING("built as module, weight_resched ignored");
> +		SCFTORTOUT_ERRSTRING("built as module, weight_resched ignored");
>  	scf_sel_add(weight_single1, SCF_PRIM_SINGLE, false);
>  	scf_sel_add(weight_single_rpc1, SCF_PRIM_SINGLE_RPC, true);
>  	scf_sel_add(weight_single_wait1, SCF_PRIM_SINGLE, true);
> @@ -622,7 +621,7 @@ static int __init scf_torture_init(void)
>  		nthreads = num_online_cpus();
>  	scf_stats_p = kcalloc(nthreads, sizeof(scf_stats_p[0]), GFP_KERNEL);
>  	if (!scf_stats_p) {
> -		VERBOSE_SCFTORTOUT_ERRSTRING("out of memory");
> +		SCFTORTOUT_ERRSTRING("out of memory");
>  		firsterr = -ENOMEM;
>  		goto unwind;
>  	}
> -- 
> 2.32.0
>