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 4B5912367DD; Fri, 11 Apr 2025 16:02:34 +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=1744387355; cv=none; b=RgmVBgDBXS1TfymWffyP+CkivmA4TD4ATOSQ3S+qE0ORnNOw2enHxH1hp5syJPolH0Z0Qj5idJhj7ovnkg504woZLt/qRuTd0WRNrhDklC5BlQ4pOPM15gqflVvfRKfam7P6UKC/ytctuwACPH54F0nRa9l1zL/k6WX/xYoxB2Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744387355; c=relaxed/simple; bh=vAL2HWsYZdwCmYgBhqkDTW705E6nfjbHy8zZUtbDK1A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hOwPm9J796+vnm3bEluS6c5tXgftlMQ/352H/MEDAZkSZxYgxxFW3xiAcWgUhnme5ZEf9AyvA6X3d/WNbGi8iHqVTf8XDjGq6rYViXTLKIXjV/CB/u0MsCiZm9yivMJkoLOVC4rAv/1JfZXnE3HEw1CffQWWLprhA32WCPl28Ds= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lM3n2Loz; 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="lM3n2Loz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 660A0C4CEE2; Fri, 11 Apr 2025 16:02:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744387354; bh=vAL2HWsYZdwCmYgBhqkDTW705E6nfjbHy8zZUtbDK1A=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lM3n2Loz/+36sq/6Lei4iAuRvu0gIZAxvFRJtwZJkrecobf/bxMztsQO8Ec0gJN/f fXLjuuIGuhEKNlEDySUgAFXjabeqc/IU7+VSGmwoOungmellXHntYqTXYbyWHYqW5R nPTTpV656C2vLz6f0jvUeU6hmU23lQqoEwlpFaf4W0hxSA0f2n12r/4oYKMyVz841q DQloyDbE7vemgtETopzA47uMliPINAXLBoy/olrdvyxgU7Pd9lVlDefKAoo81dVMzU 8orDcHPaYgZPwO2Pzul9QKFGqTIjHhhv0N96eMQ1RSesLVcCCaGOeRgic6Rzpk29vL Cx6nXHbilX9OA== Date: Fri, 11 Apr 2025 17:02:26 +0100 From: Will Deacon To: Arnd Bergmann Cc: Arnd Bergmann , linux-kbuild@vger.kernel.org, "H. Peter Anvin" , Ard Biesheuvel , Borislav Petkov , Brian Gerst , Catalin Marinas , Dave Hansen , Herbert Xu , Ingo Molnar , Jonathan Corbet , Marc Zyngier , Mark Rutland , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Takashi Iwai , Thomas Gleixner , Uros Bizjak , linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH 4/4] arm64: drop binutils version checks Message-ID: <20250411160225.GA5675@willie-the-truck> References: <20250407094116.1339199-1-arnd@kernel.org> <20250407094116.1339199-5-arnd@kernel.org> <20250408084642.GA1768@willie-the-truck> Precedence: bulk X-Mailing-List: linux-doc@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: User-Agent: Mutt/1.10.1 (2018-07-13) On Tue, Apr 08, 2025 at 03:10:57PM +0200, Arnd Bergmann wrote: > On Tue, Apr 8, 2025, at 10:46, Will Deacon wrote: > > Hi Arnd, > > > > On Mon, Apr 07, 2025 at 11:41:16AM +0200, Arnd Bergmann wrote: > >> From: Arnd Bergmann > >> > >> Now that gcc-8 and binutils-2.30 are the minimum versions, a lot of > >> the individual feature checks can go away for simplification. > >> > >> Signed-off-by: Arnd Bergmann > >> --- > >> arch/arm64/Kconfig | 37 ++------------------------------- > >> arch/arm64/Makefile | 21 ++----------------- > >> arch/arm64/include/asm/rwonce.h | 4 ---- > >> arch/arm64/kvm/Kconfig | 1 - > >> arch/arm64/lib/xor-neon.c | 2 +- > >> 5 files changed, 5 insertions(+), 60 deletions(-) > > > > Since some of these checks are dynamic (i.e. they try passing various > > options to the tools to see if they barf), have you checked that the > > minimum supported version of clang implements them all? > > I did some randconfig build testing with clang-13/lld-13, since that > is the oldest supported version, and checked that the options are > all supported. I'm pretty sure it's been there for a long time before > that already. Thanks (especially to Mark!) for checking. Will