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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=i40tytRH; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 90681606A31D; Tue, 27 Oct 2026 07:28:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=i40tytRH Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FC921F01825; Tue, 27 Oct 2026 07:28:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793086091; bh=rMoN6QW9WraNNNAxN2SCzxxv/n4k9iPkUrgSrddfZ5c=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=i40tytRHxLze3NangBdEjwfJrnEjDmuiYhIp6GeysGdoQ+h7PE3wAERE+pzaWloQk zCQUbdkQ5XduDKoDefD2mzQcl6EKf9Nb0oxJ5C6W5koD96THYjCmWGxnCayg7Bzdcm +Rm9QEdeQsinLOk3Gzy6fvgu68Imu1kYtAHoYcwYSDYQTCdgEjzE/ltnaZbup9FMdl /oLaVQ/7Wza4ltslk67SzOoSq8qQQIzGpRGtY1/v726Pva7cAi/XeiLBrhMXUQWeo8 W7IEIISUtoh6SAZXE+ojNY2nLXAO1Nbc4VHzDOZy0yiQwjLNqgS018jaUPp980BQXa oOu47+S9giQEg== Message-ID: <43ef0af4-0594-41f1-9ad3-499bfb3352a9@kernel.org> Date: Tue, 27 Oct 2026 08:28:06 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] docs: submitting-patches: Require base tree information To: Rob Herring Cc: Eric Biggers , linux-doc@vger.kernel.org, workflows@vger.kernel.org, Jonathan Corbet , Shuah Khan , Randy Dunlap , linux-kernel@vger.kernel.org, Konstantin Ryabitsev References: <20261020212235.1143086-1-ebiggers@kernel.org> <363b228a-7e96-481a-b70f-195ba55d025e@kernel.org> <20261021063927.GA31908@sol> <20261021064940.GC31908@sol> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 26/10/2026 21:12, Rob Herring wrote: > On Wed, Oct 21, 2026 at 6:55 AM Krzysztof Kozlowski wrote: >>>> >>>> All these tools should just work on top of linux-next. Requiring people >>>> to add base like "next-20261021" or "tip-of-obvious-maintainer-tree" is >>>> pointless. I understand that base is helping, but helping and requiring >>>> an obvious information just do not go together. >>>> >>>> So again: base has ZERO meaning to the maintainer process. It has >>>> meaning to tools, so fix the tools to work on known and obvious trees. >>> >>> So what is your proposed algorithm to apply an arbitrary patch when >> >> Already provided that, so to recap: >> >>> there's no base-commit? Including any historical patch (from >>> months/years ago), patches with dependencies, etc. >> >> Dependency is something else, but for every other patch: >> 1. For testing/CI: you apply on top of next >> 2. Every other case the maintainer knows where to apply it, because it >> is his HEAD of next-branch. >> >> I am repeating myself, but I really had no single problem of lack of >> knowledge where to apply a patch as a maintainer or reviewer of some >> subsystem, thus maybe I do not understand the actual problem you are >> experiencing. > > Look at our DT PW. There are numerous patches that don't apply and > then we silently don't test them at all. Here's one example[1] (3 > actually as the whole series doesn't apply). The more base-commit > tags, the better. If b4 can't apply it, then I do try just linux-next, > but is that today's, yesterday's or 2 weeks ago? That still doesn't > work sometimes. I have doubts that DT CI would know these mentioned bases, unless everyone develops on master, which is obviously not possible. It could work if CI has all possible next tags fetched, but then I argue that without base commit such CI could apply to closest linux-next tag by date. Best regards, Krzysztof