crypto: x86/aria-avx - Do not use avx2 instructions

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vpbroadcastb and vpbroadcastd are not AVX instructions.
But the aria-avx assembly code contains these instructions.
So, kernel panic will occur if the aria-avx works on AVX2 unsupported
CPU.

vbroadcastss, and vpshufb are used to avoid using vpbroadcastb in it.
Unfortunately, this change reduces performance by about 5%.
Also, vpbroadcastd is simply replaced by vmovdqa in it.

Fixes: ba3579e6e4 ("crypto: aria-avx - add AES-NI/AVX/x86_64/GFNI assembler implementation of aria cipher")
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Taehee Yoo 2023-02-10 18:15:41 +00:00 • committed by Herbert Xu

parent eb33108858

commit 8b84475318

1 changed files with 94 additions and 40 deletions

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arch/x86/crypto/aria-aesni-avx-asm_64.S

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