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 8ED191C84D7; Mon, 3 Nov 2025 01:44:29 +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=1762134269; cv=none; b=NKdDXFzrsYpW79J9QQKe7vWHBAjJc2ab3irky37LKmixNPEpM9r2mDlYROY68+YCyuQqTRytzK/tTo/THXItlplJPfjd3IxFkKnzTdvQvgrWc8kq933Loq3foArnWD6sTLezlfOCSjSabMDZnpGV8B2CrivAlDZ9kUbx2XIdH+w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762134269; c=relaxed/simple; bh=sVX4FIAq95ahP6Nry8xF7cVDyQMWcwDFWp7+zU+5KUs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ulh/K9u15CRjf6FzzgYu8FA4CAVEqa9l+Eq0GVkn3Ck8RuNhOpRtAGpK3fYuCDB5QviMpkOiSbsAg/tatK9RMnV0oaRZlI72/UauHxXWBSUUUN/FCVVmEdVFXTbuejeLDfmhur0+tmK3yGRtTOXgRKI3OUMM9T5WbVNerGfNbL8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=gHjcZGl8; 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="gHjcZGl8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E0B3C4CEF7; Mon, 3 Nov 2025 01:44:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1762134269; bh=sVX4FIAq95ahP6Nry8xF7cVDyQMWcwDFWp7+zU+5KUs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gHjcZGl8HuKNgmt8XyKwfY04mPvZodWlFKpULdddOBKpdobiB6PuVsipahraUvlZi BmnIT/bQ/DVrCFyslHOBkOC4bnrplshCDhWADs5MS9zYSCXBp86B3zbs12t9TQx6Jr CZ6fjQvcluRBkXK9d+vgzDfrbwC6nv4wWl80DaTQ= Date: Mon, 3 Nov 2025 10:44:27 +0900 From: Greg Kroah-Hartman To: Ben Hutchings Cc: stable@vger.kernel.org, patches@lists.linux.dev, Rasmus Villemoes , Nick Desaulniers , Kees Cook , Nathan Chancellor , Linus Torvalds , Eliav Farber Subject: Re: [PATCH 5.10 013/122] compiler.h: drop fallback overflow checkers Message-ID: <2025110317-monstrous-flounder-584d@gregkh> References: <20250930143822.939301999@linuxfoundation.org> <20250930143823.531610305@linuxfoundation.org> <92fe5b00bb5a4298d1a48c4c220e15a761e22a45.camel@decadent.org.uk> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <92fe5b00bb5a4298d1a48c4c220e15a761e22a45.camel@decadent.org.uk> On Tue, Oct 21, 2025 at 08:02:36PM +0200, Ben Hutchings wrote: > On Tue, 2025-09-30 at 16:45 +0200, Greg Kroah-Hartman wrote: > > 5.10-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Nick Desaulniers > > > > [ Upstream commit 4eb6bd55cfb22ffc20652732340c4962f3ac9a91 ] > > > > Once upgrading the minimum supported version of GCC to 5.1, we can drop > > the fallback code for !COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW. > [...] > > Well, that only happened in 5.15. So either 5.10 should also have: > > commit 76ae847497bc5207c479de5e2ac487270008b19b > Author: Nick Desaulniers > Date: Fri Sep 10 16:40:38 2021 -0700 > > Documentation: raise minimum supported version of GCC to 5.1 > > or this should be reverted. (I don't care about such ancient versions, > but I do want this to be a clear decision and not an accidental change.) This should be fixed up in the next release, thanks. greg k-h