Re: Using the -xen kernel rather than -xen0/U was [Xen-users] Poorhard disk performance on xen-3/dom0

[Tim Freeman <tfreeman@xxxxxxxxxxx>]

On Fri, 30 Dec 2005 22:13:53 -0000
"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> wrote:

>  
> 
> > > You will get a single kernel and modules which can be used for both 
> > > Domain0 and all DomainUs.
> > 
> > But in typical deployments the domU's typically have the 
> > priviliged kernel option and backend driver options disabled. 
> >  Sounds like this is good only for dom0, but you could get 
> > the same benefits by cd'ing to dom0's source tree and running 
> > "ARCH=xen make menuconfig" (enabling stuff as native instead 
> > of modules as you please). 
> 
> Sure, you'll domU kernel may need an initrd (depends on the filesystem)
> and will need modules installed in the guest filesystem.  It won't be
> any larger than a -xenU kernel. The fact that it has privileged and
> back-end modules built for it doesn't matter -- it can't actually use
> any of them as Xen won't allow it.

Oh, did this change?  I was under the impression we could have a guest domain
take control of a NIC, for example. 

Thanks,
Tim 


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