linux-kernel - Re: [PATCH] x86/crc: drop checks of CONFIG_AS

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Message-ID: <20250608234024.GA1259@sol>
Date: Sun, 8 Jun 2025 16:40:24 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: linux-crypto@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>,
	Arnd Bergmann <arnd@...db.de>, x86@...nel.org
Subject: Re: [PATCH] x86/crc: drop checks of CONFIG_AS_VPCLMULQDQ

On Sat, May 31, 2025 at 02:13:18PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Now that the minimum binutils version supports VPCLMULQDQ (and the
> minimum clang version does too), there is no need to check for assembler
> support before compiling code that uses these instructions.
> 
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>
> ---
> 
> I'd be glad to apply this to the crc tree.  Arnd, let me know if you'd
> like to instead go with a patch that handles all of arch/x86/ at the
> same time.  That would be fine with me too.
> 
>  arch/x86/lib/crc-pclmul-template.S | 7 -------
>  arch/x86/lib/crc-pclmul-template.h | 3 +--
>  2 files changed, 1 insertion(+), 9 deletions(-)

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/log/?h=crc-next

- Eric