linux-kernel - Re: [PATCH v2 1/2] arm64/lib: Handle CRC-32 alternative in C code

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Message-ID: <20241016215235.GB1742@sol.localdomain>
Date: Wed, 16 Oct 2024 14:52:35 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-crypto@...r.kernel.org, herbert@...dor.apana.org.au,
	will@...nel.org, catalin.marinas@....com,
	Ard Biesheuvel <ardb@...nel.org>, Kees Cook <kees@...nel.org>
Subject: Re: [PATCH v2 1/2] arm64/lib: Handle CRC-32 alternative in C code

On Wed, Oct 16, 2024 at 09:26:42PM +0200, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb@...nel.org>
> 
> In preparation for adding another code path for performing CRC-32, move
> the alternative patching for ARM64_HAS_CRC32 into C code. The logic for
> deciding whether to use this new code path will be implemented in C too.
> 
> Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
> ---
>  arch/arm64/lib/Makefile     |  2 +-
>  arch/arm64/lib/crc32-glue.c | 34 ++++++++++++++++++++
>  arch/arm64/lib/crc32.S      | 21 ++++--------
>  3 files changed, 41 insertions(+), 16 deletions(-)

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

- Eric