[Xen-devel] Re: [RFC, PATCH 0/24] VMI i386 Linux virtualization interface proposal

[Arjan van de Ven <arjan@xxxxxxxxxxxxx>]

On Mon, 2006-03-13 at 10:30 -0800, Zachary Amsden wrote:
> Arjan van de Ven wrote:
> >>   The interface we propose we 
> >> believe is more powerful, and more conducive to performance 
> >> optimizations while providing significant advantages - most 
> >> specifically, a single binary image that is properly virtualizable on 
> >> multiple hypervisors and capable of running on native hardware.
> >>     
> >
> > that is mostly an advantage in the binary would though.. less so in the
> > open source world.
> >   
> 
> It is an advantage for everyone.  It cuts support and certification 
> costs for Linux distributors,

that I'll buy
>  software vendors, 

that I'll buy a lot less except those with kernel modules (which is
evil ;)
> makes debugging and 
> development easier,

that I don't buy; a fixed interface tends to make debugging harder not
easier since you can't change it to add more information

>  and gives hypervisors room to grow while maintaining 
> binary compatibility with already released kernels.

that I buy for binary only hypervisors. But in an open source world I'll
buy this a LOT less as being relevant.



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