Re: [Xen-devel] [PATCH] tools/hotplug/Linux/init.d/: added other xen kernel modules on xencommons start

[Olaf Hering <olaf@xxxxxxxxx>]

On Fri, Aug 10, Jan Beulich wrote:

> >>> On 10.08.12 at 17:10, Olaf Hering <olaf@xxxxxxxxx> wrote:
> > On Fri, Aug 10, Jan Beulich wrote:
> > 
> >> That's the case for our kernels, but doesn't have to be for any
> >> derived ones (and there are still a few people cloning our patches).
> > 
> > Do they build things into the kernel? 
> > Should some other module than evtchn be used to decide which branch to
> > take?
> 
> There are people who build in everything. So you would only
> ever be able to derive results from being able to load some
> specific module; not being able to load a certain module doesn't
> allow drawing any conclusion.

If attempting to load pvops modules in a xenlinux based kernel is an
issue then there needs to be another way to tell them appart. A lame
test would be test -f /proc/xen/balloon which doesnt seem to exist in
pvops dom0.

If attempting to load non-existant modules is not an issue then I will
prepare a patch which adds "netbk blkbk xen-scsibk usbbk pciback"
to the list.

Olaf

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