]> git.baikalelectronics.ru Git - kernel.git/commit
crypto: twofish - disable AVX2 implementation
authorJussi Kivilinna <jussi.kivilinna@iki.fi>
Sun, 2 Jun 2013 16:51:47 +0000 (19:51 +0300)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 5 Jun 2013 08:33:22 +0000 (16:33 +0800)
commite672dec95549381bd0b76fbd28b5447acadab112
tree70196d4c039d76131a86ca9e41d66ee1ad5d8262
parent37fc7a6528891d2ba1a47a49007ee4c69b406e6a
crypto: twofish - disable AVX2 implementation

It appears that the performance of 'vpgatherdd' is suboptimal for this kind of
workload (tested on Core i5-4570) and causes twofish_avx2 to be significantly
slower than twofish_avx. So disable the AVX2 implementation to avoid
performance regressions.

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