linux-kernel - Re: [PATCH] checkpatch: fix UNNECESSARY_KERN

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Date:	Tue, 23 Dec 2014 05:14:26 -0800
From:	Joe Perches <joe@...ches.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Andy Whitcroft <apw@...onical.com>
Subject: Re: [PATCH] checkpatch: fix UNNECESSARY_KERN_LEVEL false positive

On Tue, 2014-12-23 at 14:02 +0100, Paolo Bonzini wrote:
> KERN_<LEVEL> is never redundant with printk_ratelimited.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -4545,7 +4545,7 @@ sub process {
>  		}
>  
>  # check for logging functions with KERN_<LEVEL>
> -		if ($line !~ /printk\s*\(/ &&
> +		if ($line !~ /printk(?:_ratelimited)?\s*\(/ &&

Seems sensible bu this should probably add _once too

		if ($line !~ /printk(?:_ratelimited|_once)?\s*\(/ &&

Please add and resubmit cc'ing Andrew Morton too.


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