patch to improve AES-NI performance

[John-Mark Gurney]

Ollivier Robert wrote this message on Fri, Aug 23, 2013 at 17:16 +0200:
> According to John-Mark Gurney on Thu, Aug 22, 2013 at 01:20:27PM -0700:
> > I have developed a patch to improve AES-NI performance.  If you took the
> > AES-XTS algorithm into userland (no cryptodev or geli usage), these
> > changes improve the performance over 10x in my tests (from ~150MB/sec to
> > over 2GB/sec).  In tests of geli on gnop, the performance improvement is
> > more moderate, around 4x due to overhead in other parts of the system.
> 
> Thanks a lot for this patch.  Now, looking at it in the stable/9 context, I can see that pjd did not merge (as he said at the time of commit) r226839 & r226839.  Is there any objection to merge these two (and possibly 247061 as well -- copyright update)?

You repeated r226839 twice.  What is the correct second revision?

And both the ones above are just copyright updates, no functionality
changes...

> I ask that for two reasons, these two revisions are speeding up AES-NI quite a bit and they are required for using jmg's patch.
> 
> I'll be testing all this in the next few days on my new AES-NI enabled machine.

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."