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checkpatch: add support for Assisted-by tag

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The Assisted-by tag was introduced in
Documentation/process/coding-assistants.rst for attributing AI tool
contributions to kernel patches.  However, checkpatch.pl did not recognize
this tag, causing two issues:

  WARNING: Non-standard signature: Assisted-by:
  ERROR: Unrecognized email address: 'AGENT_NAME:MODEL_VERSION'

Fix this by:
1. Adding Assisted-by to the recognized $signature_tags list
2. Skipping email validation for Assisted-by lines since they use the
   AGENT_NAME:MODEL_VERSION format instead of an email address
3. Warning when the Assisted-by value doesn't match the expected format

Link: https://lkml.kernel.org/r/20260311215818.518930-1-sashal@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
Reported-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Sasha Levin
2026-03-11 17:58:17 -04:00
committed by Andrew Morton
parent ecfad17122
commit d1db411848
1 changed files with 10 additions and 0 deletions
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10
scripts/checkpatch.pl
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@@ -641,6 +641,7 @@ our $signature_tags = qr{(?xi:
Reviewed-by:|
Reported-by:|
Suggested-by:|
Assisted-by:|
To:|
Cc:
)};
@@ -3105,6 +3106,15 @@ sub process {
}
}
# Assisted-by uses AGENT_NAME:MODEL_VERSION format, not email
if ($sign_off =~ /^Assisted-by:/i) {
if ($email !~ /^\S+:\S+/) {
WARN("BAD_SIGN_OFF",
"Assisted-by expects 'AGENT_NAME:MODEL_VERSION [TOOL1] [TOOL2]' format\n" . $herecurr);
}
next;
}
my ($email_name, $name_comment, $email_address, $comment) = parse_email($email);
my $suggested_email = format_email(($email_name, $name_comment, $email_address, $comment));
if ($suggested_email eq "") {