Re: [Xen-devel] architecture-specific stuff in xend

[Ewan Mellor <ewan@xxxxxxxxxxxxx>]

On Wed, Aug 09, 2006 at 10:07:12AM -0500, Hollis Blanchard wrote:

> On Wed, 2006-08-09 at 10:28 +0100, Ewan Mellor wrote:
> > On Tue, Aug 08, 2006 at 04:59:53PM +0100, John Levon wrote:
> > 
> > > On Tue, Aug 08, 2006 at 10:34:25AM -0500, Hollis Blanchard wrote:
> > > 
> > > > I'm not sure how/where to instantiate the arch object though.
> > > 
> > > Presumably you could do the instance() singleton trick?
> > 
> > This being Python, you don't actually need singletons -- the containing 
> > module
> > is a singleton in its own right.  You can just write
> > 
> > Platform.py:
> > 
> > import os
> > 
> > if os.uname()[4] in ('ia64', 'ppc64'):
> >     def init_reservation(mem_kb):
> >         return something_else(mem_kb)
> > 
> > else:
> >     def init_reservation(mem_kb):
> >         return mem_kb
> > 
> > and then
> > 
> > import Platform
> > Platform.init_reservation(100)
> > 
> > will do the right thing.
> 
> Ewan, does this mean you think the proposal is going in the right
> direction and you're waiting for a patch?

Yes, your proposal sounds fine to me.

Ewan.

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