git.baikalelectronics.ru Git - kernel.git/commit

author	Jussi Kivilinna <jussi.kivilinna@iki.fi>
	Mon, 8 Apr 2013 18:50:55 +0000 (21:50 +0300)
committer	Herbert Xu <herbert@gondor.apana.org.au>
	Thu, 25 Apr 2013 13:01:51 +0000 (21:01 +0800)
commit	326e28085b662770b5f2932f5a10bb4028951a23
tree	62fead9aac2e2471dbc5d6df7b630589220eea3c	tree \| snapshot
parent	98dfffe2ba4fbf5fdab0be1f41bea9b12e1cc2bb	commit \| diff

crypto: x86 - add more optimized XTS-mode for serpent-avx

This patch adds AVX optimized XTS-mode helper functions/macros and converts
serpent-avx to use the new facilities. Benefits are slightly improved speed
and reduced stack usage as use of temporary IV-array is avoided.

tcrypt results, with Intel i5-2450M:
        enc     dec
16B     1.00x   1.00x
64B     1.00x   1.00x
256B    1.04x   1.06x
1024B   1.09x   1.09x
8192B   1.10x   1.09x

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/x86/crypto/glue_helper-asm-avx.S		diff \| blob \| history
arch/x86/crypto/glue_helper.c		diff \| blob \| history
arch/x86/crypto/serpent-avx-x86_64-asm_64.S		diff \| blob \| history
arch/x86/crypto/serpent_avx_glue.c		diff \| blob \| history
arch/x86/include/asm/crypto/glue_helper.h		diff \| blob \| history
arch/x86/include/asm/crypto/serpent-avx.h		diff \| blob \| history