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(parent: 57ce8a4) | patch
crypto: x86/sha512-avx2 - add missing vzeroupper
authorEric Biggers <ebiggers@google.com>
Sat, 6 Apr 2024 00:26:10 +0000 (20:26 -0400)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 12 Apr 2024 07:07:52 +0000 (15:07 +0800)
commit6a24fdfe1edbafacdacd53516654d99068f20eec
treeb8c5e1286810727097f77bc74dc70f1d3bc0c3e9tree | snapshot
parent57ce8a4e162599cf9adafef1f29763160a8e5564commit | diff
crypto: x86/sha512-avx2 - add missing vzeroupper

Since sha512_transform_rorx() uses ymm registers, execute vzeroupper
before returning from it.  This is necessary to avoid reducing the
performance of SSE code.

Fixes: e01d69cb0195 ("crypto: sha512 - Optimized SHA512 x86_64 assembly routine using AVX instructions.")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/x86/crypto/sha512-avx2-asm.S diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git