From: Eric Biggers <ebiggers@kernel.org>
To: Ard Biesheuvel <ardb+git@google.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
herbert@gondor.apana.org.au, will@kernel.org,
catalin.marinas@arm.com, Ard Biesheuvel <ardb@kernel.org>,
Kees Cook <kees@kernel.org>
Subject: Re: [PATCH v2 1/2] arm64/lib: Handle CRC-32 alternative in C code
Date: Wed, 16 Oct 2024 14:52:35 -0700 [thread overview]
Message-ID: <20241016215235.GB1742@sol.localdomain> (raw)
In-Reply-To: <20241016192640.406255-5-ardb+git@google.com>
On Wed, Oct 16, 2024 at 09:26:42PM +0200, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb@kernel.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@kernel.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@google.com>
- Eric
next prev parent reply other threads:[~2024-10-16 21:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-16 19:26 [PATCH v2 0/2] arm64: Speed up CRC-32 using PMULL instructions Ard Biesheuvel
2024-10-16 19:26 ` [PATCH v2 1/2] arm64/lib: Handle CRC-32 alternative in C code Ard Biesheuvel
2024-10-16 21:52 ` Eric Biggers [this message]
2024-10-17 2:37 ` Eric Biggers
2024-10-16 19:26 ` [PATCH v2 2/2] arm64/crc32: Implement 4-way interleave using PMULL Ard Biesheuvel
2024-10-16 21:54 ` Eric Biggers
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