Re: [Xen-devel] RFC: Boot Domain, domB

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.06.18 at 02:58, <christopher.w.clark@xxxxxxxxx> wrote:
> Mixed-criticality and safety-critical systems under development need
> support for timely boot of multiple domains at system launch -- “Initial
> Domains” -- with static assignment of resources between them, each isolated
> from the others and without runtime dependency on a “dom0”-type domain.

I don't think this short paragraph is sufficient justification. Simply
saying "need support" without explaining the why-s is too little
for my taste. Additionally, isn't this, taking into consideration ...

> ## Proposed approach:
> 
> Provide support for the hypervisor launching an alternative configuration
> for the first domain launched, revising the all-privileged Dom0 to it being
> a more capability-constrained “Boot Domain”, DomB.

... this simply an extension of the already existing LATE_HWDOM
functionality?

Jan


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