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Date: Wed, 2 Sep 2026 09:27:34 -0700
From: Eric Biggers <ebiggers@kernel.org>
To: Herbert Xu <herbert@gondor.apana.org.au>
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
Message-ID: <20260902162734.GB2497@quark>
References: <20260831211715.213121-1-ebiggers@kernel.org>
 <apfghSk4CWshYcUF@gondor.apana.org.au>
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In-Reply-To: <apfghSk4CWshYcUF@gondor.apana.org.au>

On Wed, Sep 02, 2026 at 06:38:29PM +1000, Herbert Xu wrote:
> 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?
> 

It is a bug fix, so yes it should go into 7.3.

- Eric