linux-kernel - Re: [PATCH] lib/crypto: blake2s: Replace manual unrolling with unrolled

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Message-ID: <20251209231108.GC54030@quark>
Date: Tue, 9 Dec 2025 15:11:08 -0800
From: Eric Biggers <ebiggers@...nel.org>
To: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>,
	"Jason A . Donenfeld" <Jason@...c4.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [PATCH] lib/crypto: blake2s: Replace manual unrolling with
 unrolled_full

On Thu, Dec 04, 2025 at 09:11:55PM -0800, Eric Biggers wrote:
> As we're doing in the BLAKE2b code, use unrolled_full to make the
> compiler handle the loop unrolling.  This simplifies the code slightly.
> The generated object code is nearly the same with both gcc and clang.
> 
> Signed-off-by: Eric Biggers <ebiggers@...nel.org>
> ---
>  lib/crypto/blake2s.c | 38 ++++++++++++++++----------------------
>  1 file changed, 16 insertions(+), 22 deletions(-)

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

- Eric