Re: [PATCH 5/5] xen/arm: map static memory on demand

[Orzel, Michal]

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