linux-kernel - Re: [PATCH 4/4] arm64: drop binutils version checks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250408084642.GA1768@willie-the-truck>
Date: Tue, 8 Apr 2025 09:46:43 +0100
From: Will Deacon <will@...nel.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: linux-kbuild@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	"H. Peter Anvin" <hpa@...or.com>, Ard Biesheuvel <ardb@...nel.org>,
	Borislav Petkov <bp@...en8.de>, Brian Gerst <brgerst@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Ingo Molnar <mingo@...hat.com>, Jonathan Corbet <corbet@....net>,
	Marc Zyngier <maz@...nel.org>, Mark Rutland <mark.rutland@....com>,
	Masahiro Yamada <masahiroy@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nicolas Schier <nicolas@...sle.eu>, Takashi Iwai <tiwai@...e.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Uros Bizjak <ubizjak@...il.com>,
	linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-raid@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH 4/4] arm64: drop binutils version checks

Hi Arnd,

On Mon, Apr 07, 2025 at 11:41:16AM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> 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 <arnd@...db.de>
> ---
>  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?

Will