Commit 6a24fdfe authored by Eric Biggers's avatar Eric Biggers Committed by Herbert Xu
Browse files

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: e01d69cb ("crypto: sha512 - Optimized SHA512 x86_64 assembly routine using AVX instructions.")
Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
Acked-by: default avatarTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 57ce8a4e

arch/x86/crypto/sha512-avx2-asm.S

+1 −0
Original line number Diff line number Diff line
@@ -680,6 +680,7 @@ SYM_TYPED_FUNC_START(sha512_transform_rorx) 
	pop	%r12

	pop	%rbx



	vzeroupper

	RET

SYM_FUNC_END(sha512_transform_rorx)