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Tue, 8 Apr 2025 09:11:40 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: T0f9b5cbc403118ed Date: Tue, 08 Apr 2025 15:10:57 +0200 From: "Arnd Bergmann" To: "Will Deacon" , "Arnd Bergmann" Cc: 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 Message-Id: In-Reply-To: <20250408084642.GA1768@willie-the-truck> References: <20250407094116.1339199-1-arnd@kernel.org> <20250407094116.1339199-5-arnd@kernel.org> <20250408084642.GA1768@willie-the-truck> Subject: Re: [PATCH 4/4] arm64: drop binutils version checks Content-Type: text/plain Content-Transfer-Encoding: 7bit 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. Arnd