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Re: [Xen-devel] [PATCH] tools: don't require hardcoded path in guest config file



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.

Attached is a new version. Fixes your quibbles below.
I hope you like it.

> > +            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.
>
> > +                    # 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!

Done.

> > +                    if os.path.basename(self['PV_kernel']) 
==  'hvmloader':
>
> That workaround is a pretty hideous hack.


Christoph

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Attachment: xen_firmwaredir.diff
Description: Text Data

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