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 CA95733F36E; Wed, 7 Jan 2026 19:35:17 +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=1767814517; cv=none; b=ZbbAslXtkyJoxc5bCZlv83SVspvH899iFz2+vAfdr5ZUPyIWCMGHFdPZrgcJbIBsS4nkENBC9yOzIlw3nRWb87Wf0U7IsREVPtjul1siTEiyi2KmLm3iZBmb8Gl+X4lQLkC3VuuoHDH8cDmjYbDuoX4/Uo9yr2xM0StLDxo+sL4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767814517; c=relaxed/simple; bh=IcktqVO7I/DieJQlKCk3uSX2cIXyZAqkwils7DG7tV8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lPS9ASHBVyxyNno13VRBCuTZNHu69eACmFh4cpgIlPBqTTCEJIHxZBX+Z4nLF6xBVKXKF+tDXtDvG4gHFRP1SsuJ6ks7midpI+uMDQla+sAgTUGG4aUGjBfnvb9ofoAofDOilxETSFcjwF93UC7RNm5dYV67atVrGeO/ei813rU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qkXg7kzO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="qkXg7kzO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E33CAC4CEF1; Wed, 7 Jan 2026 19:35:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767814517; bh=IcktqVO7I/DieJQlKCk3uSX2cIXyZAqkwils7DG7tV8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qkXg7kzOQBPcXuszqE5Rp930req2QIJC2PLw08BewH7WA/arMmcLh7sY2f+/NVEwT 7rSB/2i3+n0zMAh7sXI1bUCNntTc7svCOIJl0eblArvnJID57lu9cSYMG1ucdgMDI3 eQ3n1b1RU0SZqb1rMSAbBivZLZV85HJaw2PzBSMA= Date: Wed, 7 Jan 2026 20:35:14 +0100 From: Greg Kroah-Hartman To: Joe Perches Cc: Krzysztof Kozlowski , Thomas Gleixner , Jonathan Corbet , Andy Whitcroft , Dwaipayan Ray , Lukas Bulwahn , linux-spdx@vger.kernel.org, workflows@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Torvalds Subject: Re: [PATCH] LICENSES: Explicitly allow SPDX-FileCopyrightText Message-ID: <2026010726-crusader-recoup-4825@gregkh> References: <20260107171246.242973-2-krzysztof.kozlowski@oss.qualcomm.com> <4702253d918c8edb899a91fbd79b40199a013264.camel@perches.com> Precedence: bulk X-Mailing-List: workflows@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4702253d918c8edb899a91fbd79b40199a013264.camel@perches.com> On Wed, Jan 07, 2026 at 10:40:11AM -0800, Joe Perches wrote: > On Wed, 2026-01-07 at 18:12 +0100, Krzysztof Kozlowski wrote: > > Sources already have SPDX-FileCopyrightText (~40 instances) and more > > appear on the mailing list, so document that it is allowed. On the > > other hand SPDX defines several other tags like SPDX-FileType, so add > > checkpatch rule to narrow desired tags only to two of them - license and > > copyright. That way no new tags would sneak in to the kernel unnoticed. > > I find no value in this tag. I think it should be discouraged. > > How is it different or more useful than a typical Copyright or © symbol ? It's easier to parse automatically and put into other places (like a software bill of materials). I don't like it all that much either, as really, it doesn't mean much (go talk to a lawyer for details), but it's already in our tree so we might as well document it... thanks, greg k-h