Re: [PATCH] Re: [Xen-devel] [PATCH 0/3] domUloader

[Tim Deegan <Tim.Deegan@xxxxxxxxxxxx>]

On Thu, Jan 19, 2006 at 04:30:35PM -0800, Cihula, Joseph wrote:
> It is also conceivable that in the future, a domU's filesystem could be
> (partially) encrypted ala MSFT Vista.  Coupled with a de-privileged dom0
> (or disk driver domain), this might force us into (or require for
> maintaining security) a pyGRUB-based solution.

I think the real answer for the long term is a boot loader inside domU.
Porting GRUB, for example, would make the kernel loading as easy as it
is on non-virtual machines, and could also allow extra options to be
passed in from the domain builder in dom0.  I would like to do that, but
don't have any time at the moment to work on it.

As an intermediate measure, domUloader gives more functionality, because
it can understand more filesystems (are many people using FS other than
reiser and ext2/3?).  I would prefer not to involve dom0's kernel in
things, though; if nothing else it becomes another thing tying dom0 to
linux.

Tim.

-- 
Tim Deegan                           (My opinions, not the University's)
Systems Research Group
University of Cambridge Computer Laboratory

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