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Re: [Xen-devel] [PATCH v3 01/15] xen: add xenstore domain flag to hypervisor



On 08/01/16 14:07, Jan Beulich wrote:
>>>> On 08.01.16 at 14:08, <JGross@xxxxxxxx> wrote:
>> --- a/xen/common/domain.c
>> +++ b/xen/common/domain.c
>> @@ -318,6 +318,12 @@ struct domain *domain_create(domid_t domid, unsigned 
>> int domcr_flags,
>>          hardware_domain = d;
>>      }
>>  
>> +    if ( domcr_flags & DOMCRF_xs_domain )
>> +    {
>> +        d->is_xenstore = 1;
>> +        d->disable_migrate = 1;
>> +    }
> 
> It only occurred to me now: Wouldn't it be worth denying the domain
> creation request if there already is a xenstore domain?

Running multiple xenstore domains, one for each isolated set of domains
managed by their own toolstack domain with their own backends seems like
a valid (future) use case.

David

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