Re: [Xen-devel] [RFC] VMI for Xen?

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Chris Wright wrote:
> * Ian Pratt (m+Ian.Pratt@xxxxxxxxxxxx) wrote:
>   
> > > Just some food for thought,  I did a simple analysis of the 
> > > size of Xen Linux patches verses the VMI patches.  To make 
> > > things more fair, I removed everything from the XenoLinux 
> > > port accept for the i386 xen subarch (so no drivers and no 
> > > support for other architectures).
> > >       
> > Your analysis is still taking all the patches to make dom0 functionality
> > work, which accounts for a lot of changes and is totally outside of the
> > scope of VMI.
> >
> > We've been working with a bunch of RH/Novell folks to create a stripped
> > down domU-only Xen patch that would be a fairer comparison.
> >     
> Here's a really imprecise view into that.  Keeping with Anthony's
> metrics:
>
>  88 files changed, 7637 insertions(+), 436 deletions(-)
>   
Interesting.
> That's near meaningless, as it's not something that would compile and
> run, but gives you a scope of the size of the changes for domU only
> (shadow mode), no Xen drivers, etc..
>   
Okay, but that is on par with the amount of changes present in VMI.  
That's a really interesting data point.
Thanks,

Anthony Liguori
> thanks,
> -chris
>   

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