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Re: [dm-devel] [PATCH] DM-CRYPT: Scale to multiple CPUs



On Wed, Jun 02, 2010 at 04:07:02PM +1000, Herbert Xu wrote:
> 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.
> 

I did that already for one of the older (remote softirq based)
version of pcrypt. I just never pushed it out because I was focused
on IPsec and the softirq based version I was not that usefull for
dm-crypt. Now, that we use workqueues internally, dm-crypt could
benefit from pcrypt too. Let me see whether I can respin the old
ablkcipher plugin.

Steffen


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