linux-kernel - Re: [PATCH] checkpatch: Remove email address comment from email address comparisons

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Message-Id: <20200210142532.432a0900bbacd6087349efe4@linux-foundation.org>
Date:   Mon, 10 Feb 2020 14:25:32 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Andy Whitcroft <apw@...onical.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] checkpatch: Remove email address comment from email
 address comparisons

On Mon, 10 Feb 2020 10:52:16 -0800 Joe Perches <joe@...ches.com> wrote:

> About 2% of the last 100K commits have email addresses that include an
> RFC2822 compliant comment like:
> 
> 	Peter Zijlstra (Intel) <peterz@...radead.org>
> 
> checkpatch currently does a comparison of the complete name and address
> to the submitted author to determine if the author has signed-off and
> emits a warning if the exact email names and addresses do not match.

Yes, I've seen this a few times.

> Unfortunately, the author email address can be written without the comment
> like:
> 
> 	Peter Zijlstra <peterz@...radead.org>
> 
> Add logic to compare the comment stripped email addresses to avoid this
> warning.

Where "stripped" means "after removing stuff in parentheses"?

Why do we consider the display name at all?  It's the
"peterz@...radead.org" part which matters for comparison purposes?