From: Eric Biggers <ebiggers@kernel.org>
To: linux-crypto@vger.kernel.org
Cc: Ard Biesheuvel <ardb@kernel.org>,
"Jason A . Donenfeld" <Jason@zx2c4.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Martin Willi <martin@strongswan.org>,
Antonio Quartulli <antonio@mandelbit.com>
Subject: Re: [PATCH] lib/crypto: x86/chacha: Remove vzeroupper at beginning of functions
Date: Sat, 7 Nov 2026 13:41:34 -0800 [thread overview]
Message-ID: <20261107214134.GE137269@quark> (raw)
In-Reply-To: <20261104053830.82604-1-ebiggers@kernel.org>
On Tue, Nov 03, 2026 at 09:38:30PM -0800, Eric Biggers wrote:
> There's no point in executing vzeroupper at the beginning of the AVX2
> and AVX-512 optimized functions. Remove it, leaving the vzeroupper at
> the end (where it is needed) only.
>
> Signed-off-by: Eric Biggers <ebiggers@kernel.org>
> ---
> lib/crypto/x86/chacha-avx2-x86_64.S | 5 -----
> lib/crypto/x86/chacha-avx512-x86_64.S | 6 ------
> 2 files changed, 11 deletions(-)
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/log/?h=libcrypto-next
- Eric
prev parent reply other threads:[~2026-11-07 21:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 5:38 [PATCH] lib/crypto: x86/chacha: Remove vzeroupper at beginning of functions Eric Biggers
2026-11-05 9:43 ` Antonio Quartulli
2026-11-07 21:41 ` Eric Biggers [this message]
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