F7 redux, and the road to F8.

[Dave Jones]

On Thu, Jun 07, 2007 at 03:38:05PM -0400, Jeremy Katz wrote:

 > > Xen.
 > > ~~~~
 > > This might get interesting to watch for F8 if XenU gets upstream
 > > (Which akpm seems to suggest it might).  Given we've decoupled
 > > kernel/kernel-xen, we might want to just disable the upstream variant
 > > until F9, and wait until we have both the dom0 and the domU stuff
 > > coming from the same pieces.  Will need more discussion with
 > > the virtualisation team when that lands in Linus' tree.
 > 
 > And there's also the kvm-xen stuff that could serve as a replacement for
 > the dom0 bits :-)  Even if not, it's probably worth getting the domU
 > bits into the regular kernel because then we can simplify some of the
 > installer stuff quite a bit.

With dom0 coming from one place and domU from another, I get the creeps
about ABI differences when they're on different versions.

 > More generally, I think we want to look at enabling pvops and seeing
 > what kind of hit it has.  If it's not too bad, it'd be good to have it
 > on since more and more is going to be using it...  there's already the
 > VMWare implementation and the KVM pvops discussion is taking off again.

Yeah, thanks for reminding me about that.  Some investigation there
is definitly needed.  /me adds to todo

	Dave

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