From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Tue, 18 Oct 2011 10:33:43 +0000 (+0300)
Subject: crypto: twofish-x86_64-3way - add xts support
X-Git-Tag: v3.3-rc1~104^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bae6d3038b7faff187f4207448a40b9912cf787d;p=pandora-kernel.git

crypto: twofish-x86_64-3way - add xts support

Patch adds XTS support for twofish-x86_64-3way by using xts_crypt(). Patch has
been tested with tcrypt and automated filesystem tests.

Tcrypt benchmarks results (twofish-3way/twofish-asm speed ratios):

Intel Celeron T1600 (fam:6, model:15, step:13):

size    xts-enc xts-dec
16B     0.98x   1.00x
64B     1.14x   1.15x
256B    1.23x   1.25x
1024B   1.26x   1.29x
8192B   1.28x   1.30x

AMD Phenom II 1055T (fam:16, model:10):

size    xts-enc xts-dec
16B     1.03x   1.03x
64B     1.13x   1.16x
256B    1.20x   1.20x
1024B   1.22x   1.22x
8192B   1.22x   1.21x

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