Re: [PATCH v5 1/4] domctl: introduce a new domain create flag, XEN_DOMCTL_CDF_evtchn_fifo, ...

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 04/12/2020 17:41, Stefano Stabellini wrote:
>>> FAOD, I am sure there might be other features that need to be
>>> disabled. But we have to start somewhere :).
>> Absolutely top of the list, importance wise, is so we can test different
>> configurations, without needing to rebuild the hypervisor (and to a
>> lesser extent, without having to reboot).
>>
>> It is a mistake that events/grants/etc were ever available unilaterally
>> in HVM guests.  This is definitely a step in the right direction (but I
>> thought it would be too rude to ask Paul to make all of those CDF flags
>> at once).
> +1
>
> For FuSa we'll need to be able to disable them at some point soon.

FWIW, I have a proper plan for this stuff, which start alongside the
fixed toolstack ABI, and will cover all aspects of optional
functionality in a domain.

~Andrew