linux-kernel - Re: [PATCH 18/18] rcu: Use pr_fmt to prefix "rcu: " to logging output

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Message-Id: <20180514210857.GN26088@linux.vnet.ibm.com>
Date:   Mon, 14 May 2018 14:08:57 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Joe Perches <joe@...ches.com>,
        Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 18/18] rcu: Use pr_fmt to prefix "rcu: " to logging output

On Mon, May 14, 2018 at 11:37:56PM +0300, Andy Shevchenko wrote:
> On Mon, May 14, 2018 at 11:29 PM, Paul E. McKenney
> <paulmck@...ux.vnet.ibm.com> wrote:
> > On Thu, May 10, 2018 at 08:45:44AM -0700, Joe Perches wrote:
> 
> > And I took this (but kept the period), plus used "%s" to make it fit in
> > 80 characters:
> >
> >         pr_info("\tRCU restricting CPUs from %s=%d to %s=%u.\n",
> >                 "NR_CPUS", NR_CPUS, "nr_cpu_ids", nr_cpu_ids);
> 
> Why do care about 80 characters for string literals? (Checkpatch
> dropped this limit long time ago after some discussions)
> I think it's better to find line if more context given (this my
> objection agains %s for string literals).

Good point!  I am reverting that portion of the commit with attribution,
thank you!

						Thanx, Paul