Hi,

> On 14 Oct 2022, at 09:35, Julien Grall <jul...@xen.org> wrote:
> 
> Hi Stefano,
> 
> On 14/10/2022 00:55, Stefano Stabellini wrote:
>> On Thu, 13 Oct 2022, Henry Wang wrote:
>>> With the P2M pages pool bounding the domain memory runtime allocation
>>> and the documented minimal size requirement of the static heap, it is
>>> safe to mark static heap feature as supported.
>> Usually we wait at least one release cycle before marking a feature as
>> supported. However, I can see that this case is a bit different because
>> effectively static heap memory is a safety/security feature.
> 
> Even with patch #1 merged, we are still missing some information on how to 
> size the heap. But see below...
> 
>> Julien, Bertrand, I'll let you know decide on this one
> 
> It doesn't seem to make sense to security support the static heap when 
> allocating statically memory for domains are still in tech preview.
> 
> That's because if you want to have your system security supported, then you 
> will need all the allocations to come from the heap. At which point, 
> restricting the heap seems pointless.
> 
> So I think it would be better to wait until the static memory is fully 
> supported.
> 

I think this should stay a tech preview in 4.17.

Cheers
Bertrand

> Cheers,
> 
> -- 
> Julien Grall


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