Re: [PATCH 00/23] Add KVM support for PPC64 (970) hosts

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Wed, 2009-07-08 at 10:28 +0200, Alexander Graf wrote:

> What about userspace applications that use dcbz?

That's generally the killer... but then, MOL was only ever implemented
on ppc32 so we never had the problem.

> But to run Mac OS X we first have to fix quite a lot of qemu stuff  
> anyways ;-). It might also make sense to only run osx in PPC32 mode,  
> as the PPC64 one doesn't add that much value.

Yeah :-) We can pick stuff from MOL if we want to though, as it was all
GPL.

> Which is all the same from my code's perspective. Host segments are  
> just mapped unconditionally while the real handling happens on a per- 
> page basis. So if the guest sets NX on a segment, it ends up as NX in  
> every host page we map.

Ok.

Cheers,
Ben.