[Bug 1444241] Re: Add more POWER8 optimizations

[Mauricio Faria de Oliveira]

Hi Adam,

> I'd be inclined to say it's too late in the cycle [...] given the
partial backports that very much touch common code, etc.

That's certainly understandable.

I believe it's possible to trim up the backports even more.

AFAICT, most changes are contained inside #ifdef HWAES_CAPABLE blocks,
and the first patch is just syntactic sugar so not to change a few lines
in subsequent patches; so I'll try to remove it, and change those few
lines (the 'ks' to 'ks->ks' change).

Then it should be OK to validate the places defining HWAES in other files/arches.. 
or even restrict any addition/ifdef even more w/ a POWER8/ppc64el specific conditional.

Does that help?

Thanks

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https://bugs.launchpad.net/bugs/1444241

Title:
  Add more POWER8 optimizations

Status in openssl package in Ubuntu:
  New

Bug description:
  There are some upstream commits that introduce optimizations with significant performance improvement for IBM POWER8.
  This patch introduces their minimal bits/changes in the source package.

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