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

[Hollis Blanchard <hollisb@xxxxxxxxxx>]

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?

-- 
Hollis Blanchard
IBM Linux Technology Center


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