Re: [PATCH v19 3/7] firmware: arm_rmm: Configure the RMM with the host's page size

[Gavin Shan]

On 9/24/26 11:51 PM, Suzuki K Poulose wrote:
> RMM v2.0 brings the ability to set the RMM's granule size. Check the
> feature registers and configure the RMM so that it matches the host's
> page size. This means that operations can be done with a granularity
> equal to PAGE_SIZE.
>
> Signed-off-by: Steven Price <steven.price@xxxxxxx>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> ---
>   Changes since v18:
>    * Move the rmi_config_set closer to rmi_configure, drop the comment
>    * Use __free() magic for rmm_config object
>   Changes since v17:
>    * Move rmi_config_set() out of the header file.
>    * Print the error message for rmi_config_set if it fails
>   Changes since v15:
>    * Actually check the feature register for the host's page-size support.
>   Changes since v14:
>    * Move the implementation into drivers/firmware/arm_rmm.
>   Changes since v13:
>    * Moved out of KVM.
> ---
>   drivers/firmware/arm_rmm/rmi.c | 70 ++++++++++++++++++++++++++++++++++
>   1 file changed, 70 insertions(+)

Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>