On 05.03.20 10:55, Janosch Frank wrote:
> On 3/4/20 7:56 PM, David Hildenbrand wrote:
>> On 04.03.20 12:42, Janosch Frank wrote:
>>> For protected guests, we need to put the IO emulation results into the
>>> SIDA, so SIE will write them into the guest at the next entry.
>>>
>>
>> [...]
>>
>>>
>>> if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
>>> + if (env->pv) {
>>> + return;
>>> + }
>>
>> Can you elaborate why we don't have to do anything here? I can
>> understand why we don't/cannot probe for writes. But what about the
>> PGM_OPERAND?
>
> CSSID and the schid one check are done by the Ultravisor/SIE
>
So can we even reach this path?
--
Thanks,
David / dhildenb
