On 27/08/2025 14:31, Hari Limaye wrote:
> Hi Michal,
>
>> On 22 Aug 2025, at 08:50, Orzel, Michal <michal.or...@amd.com> wrote:
>>
>>
>>
>> On 30/07/2025 10:45, Hari Limaye wrote:
>>> From: Penny Zheng <penny.zh...@arm.com>
>>>
>>> In the function `init_staticmem_pages` we need to have mapped static
>>> memory banks for initialization. Unlike on an MMU system, we cannot map
>>> the entire RAM on an MPU system as we have a limited number of MPU
>>> memory regions. To solve this, transiently map the static memory banks
>>> for initialization.
>> How does this correspond to Arm32 MPU (R52), where all of the RAM will be
>> covered? I don't think 'transient' mappings will be needed there but all of
>> your
>> work targets common (i.e. not only Arm64) MPU code.
>>
>> ~Michal
>>
>
> Hm fair point - when this series was submitted to the ML, I had no knowledge
> of the intention for all of the RAM to be mapped on Arm32 MPU systems and
> imagined that things would be more aligned here.
>
> Are happy for this to remain common for now? Or would you prefer it to be
> split off?
Let it be common for now. We can revisit it after the release to align on the
final approach.
~Michal
