From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DE15B184E for ; Thu, 11 Sep 2025 12:42:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757594571; cv=none; b=MC0g+mwYeHqu/U9HntvAWENsfYPMFdMamEfUFrisYsXRbbLDiyiYOasGlLHNqlu//yN/v2atkfJlL3t+zdY9qpcnzCVSdB2Adn3PFM+QR5BQo4uiFk8VtMDo9li1C1eZJvPix+iNU8y4QnAMXYXIV2JF5CgTc90Q2mbPE5TD5DU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757594571; c=relaxed/simple; bh=9ejBEeCEh0y2m9n7xaXQJQijA6D8cmBmuZIf/wvYFFg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Jk0FGZNCRS5SiGM/2/cSO48TCUn6JRtbMOP6Um12+Z/Fmu0oibsEg4OPlUX5P9xqpVCCIxPCW+C2Qaf5Y1tRaPDQbALZX0sGLUZb9Hcam4HhsKu3h1tT40/zmp8G41Oce3tZJMHRMWrOGPNgPj7ZiXxSDozUOOBMMoO8fRgSjjk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tc5u0uzQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tc5u0uzQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E3F0C4CEF0; Thu, 11 Sep 2025 12:42:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757594570; bh=9ejBEeCEh0y2m9n7xaXQJQijA6D8cmBmuZIf/wvYFFg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=tc5u0uzQL0ky3mJxKUuLglD/bmc6kOYYfnGNxLoHRWQxu4XVY+QHL/sSuzg5+43Gh CKqv/7H4wtgiCms6rKbmz+oK74o++J7ng17h0BZgt+BVPWyLoaQvAlU7482LXOm1Ie 8EVE54uOJxYSn0ZiohBl6v/nwVd8xH3wx/ngKl+ym2i3tPC7SR9nX0x3IG6Kus3QNb B6stckkXoOMxwK3Nb/uV7I7DnxsQAELtjMhgi/RVMQYC7V4758GCO39QgnaxS8/AWa l7UxVfaZIDjWKhYg/QHmx3UeIxqAbq8GcT3EwL+/OfMxsqNbd3TuRym+BsNtSHzWx3 Yoz0SKT6r9nzg== Message-ID: Date: Thu, 11 Sep 2025 14:42:47 +0200 Precedence: bulk X-Mailing-List: ksummit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [MAINTAINERS SUMMIT] Hidden commits from next (aka why maintainers hoard them in backpack) To: Laurent Pinchart , Bartosz Golaszewski Cc: ksummit@lists.linux.dev References: <299e6601-a83e-4e5d-9dd9-12ae796cd913@kernel.org> <20250911122711.GC8177@pendragon.ideasonboard.com> <20250911123333.GD13915@pendragon.ideasonboard.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/09/2025 14:33, Laurent Pinchart wrote: > On Thu, Sep 11, 2025 at 02:31:23PM +0200, Bartosz Golaszewski wrote: >> On Thu, 11 Sept 2025 at 14:27, Laurent Pinchart wrote: >>> >>>> Just a friendly note, Laurent, I appreciate your work and I do not want >>>> to point that you committed it incorrectly. In the contrary - your >>>> commit is right, but your upstream maintainer stops you from including >>>> this in linux-next. My aim here is only to discuss and improve the process. >>> >>> I would be happy to have my tree included in linux-next. I'm worried >>> that the fact that the media subsystem cherry-picks my pull requests >>> instead of merging them would cause issues though. Am I worrying >>> needlessly, or is that a real issue ? >> >> Stephen Rothwell will send you automated emails about duplicate >> commits being present in linux-next - one coming from your downstream >> and one rebased in your upstream maintainer's tree. > > So the question is how to redirect Stephen's complaints to the person > who is responsible for the issue in the first place :-) That's a real issue, so your worrying is correct, even if Stephen adds exception for certain trees causing commit duplicates. If commit appears twice in linux-next people might put the wrong one in "Fixes" or "commit SHA" references. Duplicate commit is a redundant information and waste of people's time (vide discussion about Link: tags). I think DRM is even weirder here - already discussed in the past - where they cherry-pick commits between branches causing duplicates and reference other commit while not feeding them to linux-next promptly. I still remember the one RC pull request from Intel to DRM which had commits like: Signed-off-by: Joonas Lahtinen Link: https://patchwork.freedesktop.org/patch/msgid ... (cherry picked from commit 97b6784753da06d9d40232328efc5c5367e53417) Signed-off-by: Joonas Lahtinen and when on linux-next you try to figure our what was the source here, you get: $ git show 97b6784753da06d9d40232328efc5c5367e53417 fatal: bad object 97b6784753da06d9d40232328efc5c5367e53417 (Tried with repo having several maintainer repos and the linux-next THAT time; now it works...) I also remember Linus pointing out some of these duplicates on mailing list. Best regards, Krzysztof