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xen-devel
Re: [Xen-devel] [PATCH] tools: don't require hardcoded path in guest con
On Friday 19 June 2009 17:16:42 Ian Jackson wrote:
> Christoph Egger writes ("[Xen-devel] [PATCH] tools: don't require hardcoded
path in guest config file"):
> > Attached patch allows xen tools to no longer require the hardcoded path's
> > to hvmloader, qemu-dm and stubdom-dm in the guest config files.
>
> In general I think this is a great idea.
> I just have some detailed quibbles.
>
> > + if not os.path.exists(self['platform']['device_model']):
> > + self['platform']['device_model'] = \
> > + auxbin.pathTo(self['platform']['device_model'])
>
> I think it would be better just to look for a slash in the specified
> value, and always prepend the path. Otherwise you end up checking for
> the file in xend's cwd which is pretty strange behaviour.
>
> Treating all /-less values as paths in the expected installation
> directory is more sensible.
Ok.
> > + # XXX basename works around a bug somewhere in the
guest
> > + # config file parser which prepends cwd to the kernel
> > + # w/o checking if the result is valid if no absolute
> > + # path is specified
>
> Surely it would be better to fix the guest config file parser!
Right. But I didn't find the exact place where the cwd is actually prepended.
It would be great, if you can help out here.
> > + if os.path.basename(self['PV_kernel'])
== 'hvmloader':
>
> That workaround is a pretty hideous hack.
Yes, it is.
Christoph
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