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crypto: x86/aria - add missing vzeroupper in AVX-512 code

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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: c970d42001 ("crypto: x86/aria - implement aria-avx512")
Cc: stable@vger.kernel.org
Cc: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2026-08-31 14:18:12 -07:00 committed by Herbert Xu
parent ac53977611
commit 60892a384a
1 changed files with 3 additions and 0 deletions
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3
arch/x86/crypto/aria-gfni-avx512-asm_64.S
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@ -800,6 +800,7 @@ SYM_TYPED_FUNC_START(aria_gfni_avx512_encrypt_64way)
%zmm9, %zmm8, %zmm11, %zmm10, %zmm12, %zmm13, %zmm14,
%zmm15, %rax);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_gfni_avx512_encrypt_64way)
@ -825,6 +826,7 @@ SYM_TYPED_FUNC_START(aria_gfni_avx512_decrypt_64way)
%zmm9, %zmm8, %zmm11, %zmm10, %zmm12, %zmm13, %zmm14,
%zmm15, %rax);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_gfni_avx512_decrypt_64way)
@ -966,6 +968,7 @@ SYM_TYPED_FUNC_START(aria_gfni_avx512_ctr_crypt_64way)
%zmm9, %zmm8, %zmm11, %zmm10, %zmm12, %zmm13, %zmm14,
%zmm15, %r10);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_gfni_avx512_ctr_crypt_64way)