Re: [Xen-devel] [PATCH v6 24/29] xen/x86: allow HVM guests to use hypercalls to bring up vCPUs

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 29.09.15 at 18:49, <roger.pau@xxxxxxxxxx> wrote:
> El 29/09/15 a les 18.20, Jan Beulich ha escrit:
>>>>> On 29.09.15 at 18:01, <roger.pau@xxxxxxxxxx> wrote:
>>> Yes, I should add back all the registers here, so it looks like:
>>>
>>>      uint32_t cs_base;
>>>      uint32_t ds_base;
>>>      uint32_t ss_base;
>>>      uint32_t es_base;
>>>      uint32_t cs_limit;
>>>      uint32_t ds_limit;
>>>      uint32_t ss_limit;
>>>      uint32_t es_limit;
>>>      uint16_t cs_ar;
>>>      uint16_t ds_ar;
>>>      uint16_t ss_ar;
>>>      uint16_t es_ar;
>> 
>> Or specify that compat mode entry is via using 32-bit register state.
> 
> Yes, that should also work. If that's the preference then I guess we 
> can remove all the selectors stuff from the 64bit structure.

That's my preference (with the EFER comment then accordingly
updated). Andrew?

Jan


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