virtual device bus "xen bus"

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virtualization-bounces@xxxxxxxxxxxxxx wrote on 01/24/2005 02:01:31 PM:
> in order for installers and hardware discovery programs
> to be able to load the right device drivers, we really
> want a virtual device bus in Xen, a'la power5 VIO.
> 
> This "xen bus" is on the top of Jeremy's TODO list, but
> since I have heard rumors that some of our friends here
> might have (some of the) code already it would seem prudent
> to check whether that code could be reused.
> 
> Reinventing the wheel shouldn't be needed with GPL code,
> unless of course rewriting the code ends up being faster
> than refactoring the already existing code.  Besides, we
> all know the (quality) benefits of deploying and reviewing
> each other's code ;)
> 
> If anybody here has virtual bus code that they would like
> to see reused in Xen, please follow up to this mail so we
> can get things started soon.

I would hate to see a xen virtual bus...I would love to see
the power5 VIO bus move out of arch/ppc64 and into somewhere
generic.

I'm pretty UML ignorant...but is there any overlap with
the way UML does devices?

Dave Boutcher
IBM Linux Technology Center
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