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Re: passing options to grub in xen,openfirmware and efi

From: Vladimir 'phcoder' Serbinenko
Subject: Re: passing options to grub in xen,openfirmware and efi
Date: Wed, 29 Apr 2015 17:21:57 +0200

On Apr 29, 2015 5:10 PM, "Olaf Hering" <address@hidden> wrote:
> On Wed, Apr 29, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> > I'm aware of the problem and I fully agree with you. Automatic install
> > doesn't use those and I think the reason for it was to specify root in
> > early days of porting. I don't think it's used for anything nowadays.
> For PV guests the use case is simple: provide a generic grub binary,
> which recognizes optional knobs from the domU.cfg. This will be used to
> select one of the configured devices as root.
More details on this one please. Both command line and grub binary are on host. How is managing changing one is different from the other?
> I can imagine that this can be used for OF or EFI as well.
> > Also unless there is a good usecase for having command line parsing, I'm
> > all for killing existing ieee1275 parsing altogether and not introducing
> > any parsing in the future.
> So you want to dumb it down to the 80s PC level, even if some firmware
> implementations can set knobs?!
"It's shiny and new" or "this is from 80s" are fallacies and not arguments.
> Olaf
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