Re: [PATCH RESEND] crypto: x86/aria - add missing vzeroupper in AVX-512 code
From: Herbert Xu
Date: Thu Sep 03 2026 - 23:41:41 EST
On Mon, Aug 31, 2026 at 02:18:12PM -0700, Eric Biggers wrote:
> Since the AVX-512 optimized ARIA code uses ZMM 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: c970d42001f2 ("crypto: x86/aria - implement aria-avx512")
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Taehee Yoo <ap420073@xxxxxxxxx>
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> ---
>
> This didn't get picked up by the x86 maintainers yet. Herbert, can you
> take this through the crypto tree?
>
> arch/x86/crypto/aria-gfni-avx512-asm_64.S | 3 +++
> 1 file changed, 3 insertions(+)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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