linux-kernel - Re: [PATCH v2] checkpatch: Add a warning for log messages that don't end in a new line

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Date:   Mon, 27 Nov 2017 01:06:44 -0800
From:   Joe Perches <joe@...ches.com>
To:     Julia Lawall <julia.lawall@...6.fr>
Cc:     Logan Gunthorpe <logang@...tatee.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Andy Whitcroft <apw@...onical.com>
Subject: Re: [PATCH v2] checkpatch: Add a warning for log messages that
 don't end in a new line

On Mon, 2017-11-27 at 09:52 +0100, Julia Lawall wrote:
> On Mon, 27 Nov 2017, Joe Perches wrote:
> > On Sun, 2017-11-26 at 23:40 -0700, Logan Gunthorpe wrote:
> > > On 26/11/17 11:34 PM, Julia Lawall wrote:
> > > > It would probably be better not to mention the KERN_CONT possibility at
> > > > all.
> > > 
> > > Oh? I don't disagree... but what are we supposed to do in these cases?
> > > The way v2 of my patch works it just says that there is a missing new
> > > line. But Joe calls that a false positive. So if we can't report that
> > > it's missing a new line and we can't say it looks like it needs a
> > > KERN_CONT, then what can we do? The case is obviously wrong in some way
> > > or another so we probably shouldn't just ignore it.
> 
> I meant why not only suggest pr_cont?

Because checkpatch cannot know if the printk is missing a
KERN_CONT or another different KERN_<LEVEL>.