From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6926A1F2BAB; Fri, 11 Jul 2025 23:14:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=63.228.1.57 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752275660; cv=none; b=jTo8lY3JM6JEiyUh1cplp6QhPG6dU1/9QIcEfpt5y9EZYvVBqq+/OjAF4Jh1S9JS2Khy8FryI4WjTOpinywrnS+ZaspazZ3WGPgi3nvj9nQzNxptGOw8Z8Pn1UT3B2oEGdAEtBg5VOqqzgfOb7shPd3uw4Lc3BXD+spEct4JcZo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752275660; c=relaxed/simple; bh=bFbJVZY43Jpn39tYWKXR9nU1JbUGappWLcKOMLT4sl4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mWZ8UP0C7F7knLR+UEIvMMhyNfxRcIkIeJ5S/8ElBLzX6VhPtyqaJiaIv/vkow51nqeF+CdUeqE2H/CfW4WxXLNKtZOBIeslXr1AjYMws4niLRZUhc+P2FPonojp6fZktk7EqomY2Hmc4kdGYUiPlgzrVR7KXGqc3miD0U+83ZQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org; spf=pass smtp.mailfrom=kernel.crashing.org; arc=none smtp.client-ip=63.228.1.57 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.crashing.org Received: from gate.crashing.org (localhost [127.0.0.1]) by gate.crashing.org (8.18.1/8.18.1/Debian-2) with ESMTP id 56BND41k624388; Fri, 11 Jul 2025 18:13:04 -0500 Received: (from segher@localhost) by gate.crashing.org (8.18.1/8.18.1/Submit) id 56BND1e0624384; Fri, 11 Jul 2025 18:13:01 -0500 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Fri, 11 Jul 2025 18:13:01 -0500 From: Segher Boessenkool To: Richard Fontana Cc: Greg Kroah-Hartman , Christoph Hellwig , Thomas Huth , Madhavan Srinivasan , Michael Ellerman , Thomas Gleixner , Nicholas Piggin , Christophe Leroy , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-spdx@vger.kernel.org, J Lovejoy Subject: Re: [PATCH v2] powerpc: Replace the obsolete address of the FSF Message-ID: References: <20250711053509.194751-1-thuth@redhat.com> <2025071125-talon-clammy-4971@gregkh> <9f7242e8-1082-4a5d-bb6e-a80106d1b1f9@redhat.com> <2025071152-name-spoon-88e8@gregkh> <2025071119-important-convene-ab85@gregkh> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Jul 11, 2025 at 05:02:18PM -0400, Richard Fontana wrote: > On Fri, Jul 11, 2025 at 3:38 AM Greg Kroah-Hartman > wrote: > > > > On Fri, Jul 11, 2025 at 12:32:57AM -0700, Christoph Hellwig wrote: > > > On Fri, Jul 11, 2025 at 09:30:31AM +0200, Greg Kroah-Hartman wrote: > > > > That's a crazy exception, and one that should probably be talked about > > > > with the FSF to determine exactly what the SPDX lines should be. > > > > > > It is called the libgcc exception and has been around forever for the > > > files in libgcc.a that a lot of these low-level kernel helpers were > > > copied from as the kernel doesn't link libgcc. > > > > Ah, so it would be something like this exception: > > https://spdx.org/licenses/GCC-exception-2.0.html > > but the wording doesn't seem to match. > > > > I'll let the license lawyers figure this out, thanks for the hint! > > This one > > * In addition to the permissions in the GNU General Public License, the > * Free Software Foundation gives you unlimited permission to link the > * compiled version of this file with other programs, and to distribute > * those programs without any restriction coming from the use of this > * file. (The General Public License restrictions do apply in other > * respects; for example, they cover modification of the file, and > * distribution when not linked into another program.) > > is `GCC-exception-2.0` > > while this one: > > * As a special exception, if you link this library with files > * compiled with GCC to produce an executable, this does not cause > * the resulting executable to be covered by the GNU General Public License. > * This exception does not however invalidate any other reasons why > * the executable file might be covered by the GNU General Public License. > > does not seem to be in the SPDX exception list. It is very similar to > `GNU-compiler-exception` except it specifically mentions GCC instead > of saying "a GNU compiler". https://spdx.org/licenses/GNU-compiler-exception.html is exactly this. Segher