Re: [patch] M2P/P2M abstraction

[Jean-Yves Migeon <jeanyves.migeon%free.fr@localhost>]

Christoph Egger wrote:
> Jean-Yves Migeon wrote:
> > Hi list,
> >
> > M2P and P2M mechanisms are rather MD than MI. AFAIK, for Xen, the
> > xpmap_phys_to_machine_mapping/machine_to_phys is x86 specific.
> >
> > This small patch [1] makes use of abstraction macros for the M2P
> > translation, so that Xen drivers do not use M2P/P2M arrays directly.
> >
> > Compile tested against XEN{2,3}_DOM{0,U}, and their PAE version. Please
> > review.
> >
> > [1] http://www.netbsd.org/~jym/p2m.diff
>
> The changes in the patch are mechanical. The diff on itself is ok for
> me, but if you intend to introduce an MI API, then it needs to have
> an unique namespace prefix.

Suggestions are open. Something like 'xpmap'?

I use them to track down the different code paths requiring translation 
from/to MFNs.

The current names are those found in XenSource's Linux.

--
Jean-Yves Migeon
jeanyves.migeon%free.fr@localhost