Re: multiboot2 and module2 boot issues via GRUB2

[Roman Shaposhnik <roman@zededa.com>]

[-- Attachment #1: Type: text/plain, Size: 1529 bytes --]

On Tue, Apr 6, 2021 at 1:19 AM Jan Beulich <jbeulich@suse.com> wrote:

> On 01.04.2021 21:43, Andrew Cooper wrote:
> > On 01/04/2021 09:44, Roger Pau Monné wrote:
> >> On Thu, Apr 01, 2021 at 09:31:07AM +0200, Jan Beulich wrote:
> >>> On 01.04.2021 03:06, Roman Shaposhnik wrote:
> >>>> And the obvious next question: is my EVE usecase esoteric enough that
> >>>> I should just go ahead and do a custom GRUB patch or is there a more
> >>>> general interest in this?
> >>> Not sure if it ought to be a grub patch - the issue could as well
> >>> be dealt with in Xen, by concatenating modules to form a monolithic
> >>> initrd.
> >> I would rather have it done in the loader than Xen, mostly because
> >> it's a Linux boot specific format, and hence I don't think Xen should
> >> have any knowledge about it.
> >>
> >> If it turns out to be impossible to implement on the loader side we
> >> should consider doing it in Xen, but that's not my first option.
> >
> > Concatenating random things which may or may not be initrds is
> > absolutely not something Xen should do.  We don't have enough context to
> > do it safely/sensibly.
>
> Well, I wasn't suggesting anywhere to concatenate random things.
> Instead I was envisioning a command line option giving us the
> context we need (e.g. "initrd=3+5").
>

That's actually not a bad idea at all -- I may look into how feasible it
would
be to add on Xen side. GRUB side is trivial (but I'm not sure upstream folks
would take it).

Thanks,
Roman.

[-- Attachment #2: Type: text/html, Size: 2061 bytes --]