Re: [RFC PATCH 00/11] Affirm SMMU coherent pagetable walker capability on RPMh SoCs

[Konrad Dybcio]

On 19.09.2024 9:00 AM, Luca Weiss wrote:
> On Thu Sep 19, 2024 at 12:57 AM CEST, Konrad Dybcio wrote:
>> I only read back the SMMU config on X1E & 7280, but I have it on good
>> authority that this concerns all RPMh SoCs. Sending as RFC just in case.
>>
>> Lacking coherency can hurt performance, but claiming coherency where it's
>> absent would lead to a kaboom.
> 
> Hi Konrad!
> 
> You want people with the affected SoCs to test this I imagine?

Yeah, would be nice to confirm

> 
> Just boot it and see if it doesn't implode, or do you have any more
> elaborate test plan for this?

No, booting should be enough of a test

Konrad