Messages in this thread | | | Date | Wed, 2 Jun 2010 16:07:02 +1000 | From | Herbert Xu <> | Subject | Re: [dm-devel] [PATCH] DM-CRYPT: Scale to multiple CPUs |
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On Wed, Jun 02, 2010 at 01:25:11AM -0400, Mikulas Patocka wrote: > > Are you sure that you know what you're talking about? pcrypt_alloc > contains this: > switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) { > case CRYPTO_ALG_TYPE_AEAD: > return pcrypt_alloc_aead(tb); > } > > return ERR_PTR(-EINVAL); > --- so for anything other byt AEAD it returns -EINVAL.
So someone needs to write the ablkcipher plugins for pcrypt.
This is the whole point of pcrypt, to implement parallelisation exactly once, in the crypto layer.
> For what? For avoiding cache bounces? But the encrypting is > order-of-magnitude slower than memory speed.
Have you benchmarked the Nehalem AES performance lately?
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