linux-kernel - Re: [PATCH] workqueue: format pr_warn exceeds line length in wq_numa

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Date:   Sun, 18 Jun 2023 07:54:45 -0700
From:   Joe Perches <joe@...ches.com>
To:     Lai Jiangshan <jiangshanlai@...il.com>, tj@...nel.org,
        linux-kernel@...r.kernel.org, zyhtheonly@...il.com,
        zyhtheonly@...h.net
Cc:     tiozhang@...iglobal.com
Subject: Re: [PATCH] workqueue: format pr_warn exceeds line length in
 wq_numa_init

On Sun, 2023-06-18 at 09:19 +0800, Lai Jiangshan wrote:
> On Fri, Jun 16, 2023 at 3:00 PM tiozhang <tiozhang@...iglobal.com> wrote:
> > 
> > Format this long line which would potentially let checkpatch complain
> > "WARNING: line length of 103 exceeds 100 columns".
[]
> This patch hurts the readability actually. A few extra characters exceeding
> is Okay for me.
[]
> > diff --git a/kernel/workqueue.c b/kernel/workqueue.c
[]
> > @@ -5959,7 +5959,8 @@ static void __init wq_numa_init(void)
> > 
> >         for_each_possible_cpu(cpu) {
> >                 if (WARN_ON(cpu_to_node(cpu) == NUMA_NO_NODE)) {
> > -                       pr_warn("workqueue: NUMA node mapping not available for cpu%d, disabling NUMA support\n", cpu);
> > +                       pr_warn("workqueue: NUMA node mapping not available for cpu%d, disabling NUMA support\n",
> > +                               cpu);

What _might_ work reasonably well is to add

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

before any include and remove "workqueue: " from
all pr_<foo> uses.