Re: [PATCH] checkpatch: reject trailers that credit an AI agent

["Daniel P. Berrangé" <berrange@redhat.com>]

On Thu, Sep 03, 2026 at 12:04:40PM +0200, Paolo Bonzini wrote:
> The QEMU community has broad consent to not accept assisted-by and similar
> trailers, and much less fake co-authored-bys, independent of any AI policy.
> Implement this in checkpatch.pl already, so that there is another way for
> contributors to discover the AI policy.
> 
> Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  scripts/checkpatch.pl | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 03f35e75012..90cb40dfe1f 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1811,6 +1811,18 @@ sub process {
>  			}
>  		}
>  
> +# Reject trailers that credit an AI agent.
> +		if ($realfile =~ /^$/ &&
> +		    ($line =~ /🤖/ ||

Oh wow, is that something people actually do :-)

> +		     $line =~ /^\s*(?:Assisted|Generated)-by:/i ||
> +		     ($line =~ /^\s*Co-authored-by:\s*(.*?)\s*$/i &&
> +		      $1 =~ /\bcopilot\b | \bchatgpt\b | \bcodex\b | \bcursor\b | \[bot\] |
> +			     \bllama\b | \bgemini\b.*(?:pro|flash|ultra|google\.com) |
> +			     \bclaude\b.*(?:opus|sonnet|fable|haiku|anthropic\.com)/xi))) {

I presume the qualifiers after gemini/claude are a mitigation against
accidentally matching a real person's name ?

> +			ERROR("QEMU does not allow using AI for contributions, " .
> +				"see docs/devel/code-provenance.rst\n" . $herecurr);
> +		}

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


With regards,
Daniel
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