From: Herbert Xu <herbert@gondor.apana.org.au>
To: Eric Biggers <ebiggers@kernel.org>
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
x86@kernel.org, stable@vger.kernel.org,
Taehee Yoo <ap420073@gmail.com>
Subject: Re: [PATCH RESEND] crypto: x86/aria - add missing vzeroupper in AVX2 code
Date: Wed, 2 Sep 2026 18:38:29 +1000 [thread overview]
Message-ID: <apfghSk4CWshYcUF@gondor.apana.org.au> (raw)
In-Reply-To: <20260831211715.213121-1-ebiggers@kernel.org>
On Mon, Aug 31, 2026 at 02:17:15PM -0700, Eric Biggers wrote:
> Since the AVX2 optimized ARIA code uses YMM registers, execute
> vzeroupper before returning from it. This is needed to avoid degrading
> the performance of any later SSE code that may happen to be executed.
>
> Fixes: 37d8d3ae7a58 ("crypto: x86/aria - implement aria-avx2")
> Cc: stable@vger.kernel.org
> Cc: Taehee Yoo <ap420073@gmail.com>
> Signed-off-by: Eric Biggers <ebiggers@kernel.org>
> ---
>
> This didn't get picked up by the x86 maintainers yet. Herbert, can you
> take this through the crypto tree?
OK I could do that. I presume you want this to go into 7.3, right?
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2026-09-02 8:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 21:17 [PATCH RESEND] crypto: x86/aria - add missing vzeroupper in AVX2 code Eric Biggers
2026-09-02 8:38 ` Herbert Xu [this message]
2026-09-02 16:27 ` Eric Biggers
2026-09-04 3:41 ` Herbert Xu
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