Re: Xen XSM/FLASK policy, grub defaults, etc.

[Julien Grall <julien@xxxxxxx>]

Hi Jan,

On 29/05/2020 16:11, Jan Beulich wrote:
> On 29.05.2020 17:05, Julien Grall wrote:
> > On 29/05/2020 15:47, Ian Jackson wrote:
> > > George Dunlap writes ("Re: Xen XSM/FLASK policy, grub defaults, etc."):
> > > > Which isn’t to say we shouldn’t do it; but it might be nice to also have an 
> > > > intermediate solution that works right now, even if it’s not optimal.
> > > I propose the following behaviour by updste-grub:
> > >
> > >    1. Look for an ELF note, TBD.  If it's found, make XSM boot entries.
> > >       (For now, skip this step, since the ELF note is not defined.)
> > I am afraid the ELF note is a very x86 thing. On Arm, we don't have such
> > thing for the kernel/xen (actually the final binary is not even an ELF).
> Ouch - of course. Is there anything similar one could employ there?
In the past, we discussed about adding support for note in the zImage 
(arm32 kernel format) but I never got the chance to pursue the discussion.
With Juergen's hypfs series, the hypervisor now embbed the .config. Is 
it possible to extract it?
Cheers,

--
Julien Grall