Re: [Xen-devel] [PATCH v2 00/21] dom0less step1: boot multiple domains from device tree

[Andrii Anisov <andrii_anisov@xxxxxxxx>]

Hello Stefano,

On 07.07.18 02:11, Stefano Stabellini wrote:
> The device tree based boot protocol is extended to carry information
> about DomUs. Based on that information, Xen creates and starts one or
> more DomUs.
Please consider also status monitoring and restarting for those domains.

>   DomUs created this way don't have access to xenstore for the
> moment. This is actually OK, because this is meant for mission critical
> applications that typically only access directly assigned devices. They
> cannot tolerate interference or increased IRQ latency due to PV
> protocols.
But even a mission critical application does exchange some information 
with other entities in the system. So they would need interdomain 
communication anyway (i.e. built with event channels and shared pages, etc.)
--

*Andrii Anisov*


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