Re: [Xen-devel] [PATCH] add new bootloader xenpvnetboot for pv guest

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2012-02-22 at 14:06 +0000, Zhigang Wang wrote:
> tools/misc/Makefile     |    2 +-
>  tools/misc/xenpvnetboot |  293 
> ++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 294 insertions(+), 1 deletions(-)
> 
> 
> # HG changeset patch
> # User Zhigang Wang <zhigang.x.wang@xxxxxxxxxx>
> # Date 1329919344 18000
> # Node ID 6770476b814532bb36a3b00cba16e5cd8a6b4585
> # Parent  ca80eca9cfa39d1b60d1216948dac5711d550b83
> add new bootloader xenpvnetboot for pv guest
> 
> `xenpvnetboot` supports getting boot images from following locations:

I think this is a really nice idea -- it's been floating around the
bottom of my TODO list for ages now.

Would it be possible to add a man page by adding
docs/man/xenpvnetboot.1.pod using the Perl POD syntax (there's a bunch
of existing docs you could take inspiration from) and perhaps to update
docs/man/xl.cfg.5.pod to reference this new bootloader (you might need
to add a list of possible options, since pyrub was previously the only
thing)

Since you have, I guess, reverse engineered the PV bootloader protocol
from pygrub in order to implement this I wonder if you would consider
writing up a specification for the required interface or such
bootloaders? e.g. docs/misc/pvbootloader.markdown.

By happy coincidence there is a Xen documentation day on Monday ;-)
http://lists.xen.org/archives/html/xen-devel/2012-02/msg01468.html and
http://wiki.xen.org/wiki/Xen_Document_Days
http://blog.xen.org/index.php/2012/02/24/next-xen-document-day-feb-27/

Do you have any further plans for this bootloader? e.g. I think it would
be really cool if it could present a curses based wizard, e.g.
        * Select your distro
        * Provide a URL
        * Tweak command line options
        * Go!

Ian.




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