Hi Luca,

On 22/10/2024 10:41, Luca Fancellu wrote:
On 21 Oct 2024, at 17:27, Julien Grall <jul...@xen.org> wrote:
2) dsb+isb barrier after enabling the MPU, since we are enabling the MPU but 
also because we are disabling the background region

TBH, I don't understand this one. Why would disabling the background region requires a dsb + isb? Do you have any pointer in the Armv8-R specification?

Cheers,

--
Julien Grall


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