On May 11, 2015 2:04 PM, "Andrei Borzenkov" <arvidj...@gmail.com> wrote:
>
> В Mon, 11 May 2015 13:51:48 +0200
> Olaf Hering <o...@aepfle.de> пишет:
>
> > On Mon, May 11, Vladimir 'phcoder' Serbinenko wrote:
> >
> > >
> > > On May 11, 2015 1:23 PM, "Olaf Hering" <o...@aepfle.de> wrote:
> > > >
> > > > On Mon, May 11, Vladimir 'phcoder' Serbinenko wrote:
> > > >
> > > > > Do you really own all those installs to be able to speak on
behalf of all
> > > of
> > > > > them?
> > > >
> > > > Since there is zero upstream support for anything regarding grub xen
> > > > distros are forced to provide their own grub-xen binary for dom0.
This
> > > > includes at least some script to do something useful within the very
> > > > first grub-xen. So in this sense its up to whoever creates such dom0
> > > > binary to handle variables as needed, and document the implemented
> > > > features.
> > > >
> > > And your point is?
> >
> > That this patch gets in as is?
> >
> > How do you envison a way to select a boot device, or set debug=all or
> > whatever a script may interpret?
>
> Either by allowing ${grub.arg.XXX} (not sure if current grammar accepts
> it) or by adding getarg command, something like
>
I prefer the former. But probably fwarg. Would be a better prefix. This way
one can do:
extra="grub.root=xvda1"
And then get it as fwarg.grub.root whereas root for Linux would be
fwarg.root and thus avoiding any conflict
> getarg --name debug --set debug
>
> You do not control what arguments grub gets - end use (admin) controls
> it. You cannot force end user to actually strictly comply with what you
> expect. As example, grub.cfg you recently submitted has
>
> if [ -n "hddev" ]
>
> without initializing it first. So administrator setting this variable
> will unintentionally change behavior of script.
>
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