Re: [patch] M2P/P2M abstraction

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

On Monday 11 May 2009 14:01:27 Manuel Bouyer wrote:
> On Mon, May 11, 2009 at 01:57:54PM +0200, Jean-Yves Migeon wrote:
> > Manuel Bouyer wrote:
> >> On Mon, May 11, 2009 at 01:08:32PM +0200, Jean-Yves Migeon wrote:
> >>> I told christoph privately that I will wait on the forthcoming Xen
> >>> clean-up (where Xen 2 and Xen 3.0 support are dropped), as this will
> >>> simplify a lot of the Xen code, including the use of XPMAP_OFFSET.
> >>> Then  I will revisit it later.
> >>
> >> From memory, XPMAP_OFFSET is still used for Xen-3 ...
> >
> > Only if you wish to keep Xen 3 code with XEN_COMPAT_030001. IIRC, at
> > least, Xen 3.0.1 and below should not be supported after NetBSD-5.
>
> Why ? Some major linux vendors are still using xen 3.0.x in their
> distribution.

If you're talking about RHEL, then this is wrong. RHEL 5.3 have their
xen tools and xen kernel patched very heavily.
xen tools are 3.0.1 + thousands of patches
xen kernel is 3.1.2 + thousands of patches

All in all, RHEL's xen version is effectively a hybrid of Xen 3.1
and Xen 3.3.

Christoph