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Date:   Mon, 27 Nov 2017 00:28:42 -0800
From:   Joe Perches <joe@...ches.com>
To:     Logan Gunthorpe <logang@...tatee.com>,
        Julia Lawall <julia.lawall@...6.fr>
Cc:     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 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.

checkpatch already reports printks without KERN_<level>

# printk should use KERN_* levels
		if ($line =~ /\bprintk\s*\(\s*(?!KERN_[A-Z]+\b)/) {
			WARN("PRINTK_WITHOUT_KERN_LEVEL",
			     "printk() should include KERN_<LEVEL> facility level\n" . $herecurr);
		}

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