[Skiboot-stable] [PATCH] xive/p9: Remove assert from xive_eq_for_target()

[Cédric Le Goater]

On 11/27/20 12:36 PM, Greg Kurz wrote:
> On Fri, 27 Nov 2020 10:44:01 +0100
> Cédric Le Goater <clg at kaod.org> wrote:
> 
> [...]
>>>
>>> Hmm... some existing setups might still be using power8 compat mode
>>> for legitimate reasons, eg. workload only certified on POWER8. 
>>
>> To be clear, I am talking of XICS emulation in OPAL/BML and not in KVM
>> or PowerVM. 
>>
> 
> Ah, I got confused, sorry. Thanks for the clarification.
> 
>> If I am correct, the certification of an application is tied to an OS 
>> which is tied to a set of HW. RH7 is certified to run on POWER8 but 
>> not on POWER9. So, if it might work to run a RH7 on a POWER9 but 
>> I doubt Redhat would guarantee any POWER8 workload there. 
>>
> 
> RH guarantees that a RHEL7 guest runs in POWER8 compat mode on a
> POWER9 host AFAIK.

Yes. That's make sense to me. It's the whole purpose of the compat
mode for KVM guests or LPARs if PowerVM.

On OPAL/BML, we are more in the experimental domain or HW bringup.

C.