Re: [PATCH v2 0/8] x86/resctrl: Support for AMD Global (Slow) Memory Bandwidth Allocation

[Reinette Chatre <reinette.chatre@intel.com>]

Hi Babu,

On 5/15/26 8:31 AM, Moger, Babu wrote:
> On 5/1/2026 9:38 AM, Moger, Babu wrote:
>> On 4/30/2026 6:40 PM, Reinette Chatre wrote:

>>>>> Since there are so many dependencies on the new schema format support I am prioritizing this
>>>>> and created a PoC that I am currently refining and hope to share soon. We can collaborate on this
>>>>> to ensure that it provides a good foundation for the GMBA and GSMBA support.

Above is comment from me indicating plans to share the PoC and goal to have it provide a foundation
for GMBA and GSMBA.

>>>>
>>>> That is good to know. Let me know when you are ready.
>>>>
>>>> Could you please share which parts of the feature (e.g., Part 1, Part 2, etc.) you are planning to cover in your PoC?
>>>
>>> All three parts mentioned in https://lore.kernel.org/lkml/06a237bd- c370-4d3f-99de-124e8c50e711@intel.com/
>>>
>>> This does not address all the features discussed, for example it does not support emulated controls,
>>> but I hope it is enough of a foundation to build on.
>>
>> Please share your code when you are ready. I can build GMB and GSMBA on top of your patches. Hopefully, I can reuse some of the code from this series.
> 
> I didn’t see your acknowledgment on my previous note, so I wanted to follow up to ensure we’re aligned.

I did not think a response was necessary since it essentially rephrased my earlier comment and did not contain
a question.
 
> Just to confirm—are you planning to share your PoC?

Yes. The fixes needed in existing resctrl code are taking higher priority though.

> 
> My understanding is that I would build GMB/GSMBA on top of your patches. Please let me know if that’s correct.

That is my understanding also.

> 
> There’s no urgency on the patches at this point; I mainly wanted to get some clarity on the plan.
Reinette