Subject: Re: [PATCH 00/31] powerpc/mm: Update page table format for book3s 64

From: Michael Ellerman <[email-masked]>
Date: Wed, 30 Sep 2015 11:44:31 +1000

On Mon, 2015-09-28 at 11:41 -0500, Scott Wood wrote:
> On Mon, 2015-09-28 at 10:26 +0530, Aneesh Kumar K.V wrote:
> > Scott Wood <[email-masked]> writes:
> > > 
> > > In any case, "nohash" is the term used elsewhere.
> > 
> > How about using swtlb ? (nohash always confused me, It would be nice to
> > be explict and us software tlb ?)
> 
> I'd prefer nohash.  Besides being existing practice (what's confusing about 
> it?), e6500 is nohash but has a partial hw tlb, and 603 is considered hash 
> despite having a software-loaded tlb.

It's not a great name because it describes what the MMU is *not*, rather than
what it *is*.

But it is the existing name, and there doesn't seem to be anything particular
common about the other MMUs that we can use as a name.

cheers