Re: [PATCH v6 10/10] arm_mpam: detect and enable MPAM-Fb PCC support

[Ben Horgan]

Hi Andre,

On 7/30/26 16:25, Andre Przywara wrote:
> The Arm MPAM-Fb specification [1] describes a protocol to access MSC
> registers through a firmware interface. This requires a shared memory
> region to hold the message, and a mailbox to trigger the access.
> For ACPI this is wrapped as a PCC channel, described using existing
> ACPI abstractions.
> 
> Add code to parse those PCC table descriptions associated with an MSC,
> and store the parsed information in the MSC struct.
> There can be multiple PCC channels, and each channel can serve multiple
> MSCs, so we need to keep track of the channel usage, using a list and
> a refcount.
> 
> This will be used by the MPAM-Fb access wrapper code.
> 
> [1] https://developer.arm.com/documentation/den0144/latest
> 
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
> Tested-by: Ritwick Sharma <ritwick.sharma@xxxxxxx>
Ritwick gave his Tested-by for the series on v5. Any reason to just add the tag on this patch?
I guess patch 9 has significant enough changes to drop tags but I don't see it for the others.

Thanks,

Ben