Re: [PATCH v22 00/10] firmware: arm_rmm: Add RMM v2.0 base RMI support

[Suzuki K Poulose <suzuki.poulose@arm.com>]

On 02/10/2026 19:49, Catalin Marinas wrote:
> On Fri, 02 Oct 2026 07:14:56 +0100, Suzuki K Poulose wrote:
>> This series adds the generic firmware layer for talking to the Realm
>> Management Monitor (RMM), as specified by the RMM v2.0-bet3
>> specification[1]. It is the first part of the Arm CCA host support that
>> was previously posted as part of the larger KVM series.
>>
>> The split allows this RMM support to be used as a base for other work,
>> including Aneesh's PCI IDE support with Arm CCA RMM as the TSM,
>>   without depending on the KVM Realm support that will follow as separate
>>   series. (See more on that below)
>>
>> [...]
> 
> Applied to arm64 (for-next/fw-rmi), thanks!
> 
> Rafael, I took the liberty of merging patch 7 below adding an arch
> hibernation hook needed for arm64 (I changed the subject as well to
> PM: ...).
> 
> For now the RMI is default off. We should only make it default y when we
> have a deferred activation gated by kvm rmm option (or PCIe?).
> 
> There are a few typo fixes, some reordering of the Kconfig and Makefile
> entries to preserve a somewhat alphabetical order. No functional change
> though.

Thank you Catalin ! Much appreciated.

Cheers
Suzuki


> 
> [01/10] firmware: arm_rmm: Add SMC definitions for calling the RMM
>          https://git.kernel.org/arm64/c/9e201043cbd2
> [02/10] firmware: arm_rmm: Check for RMI support at init
>          https://git.kernel.org/arm64/c/24657f2ce536
> [03/10] firmware: arm_rmm: Configure the RMM with the host's page size
>          https://git.kernel.org/arm64/c/a0382431a0fe
> [04/10] firmware: arm_rmm: Add support for SRO
>          https://git.kernel.org/arm64/c/bc1360cabe27
> [05/10] firmware: arm_rmm: Activate the RMM
>          https://git.kernel.org/arm64/c/fa193c502990
> [06/10] firmware: arm_rmm: Ensure the RMM has GPT entries for memory
>          https://git.kernel.org/arm64/c/c20b65a03eff
> [07/10] kernel: hibernate: Add an arch hook for preventing hiberation
>          https://git.kernel.org/arm64/c/5487bff69b85
> [08/10] arm64: Block hibernate and kexec while RMM is active
>          https://git.kernel.org/arm64/c/fe4a24613bc2
> [09/10] firmware: arm_rmm: Add wrappers for Realm related RMI commands
>          https://git.kernel.org/arm64/c/c4a16839abb1
> [10/10] firmware: arm_rmm: hotplug: Skip memory added to ZONE_MOVABLE
>          https://git.kernel.org/arm64/c/06898e5320b5