> On 24 Jul 2023, at 11:14, Julien Grall <[email protected]> wrote:
> 
> From: Julien Grall <[email protected]>
> 
> At the moment, the temporary mapping is only used when the virtual
> runtime region of Xen is clashing with the physical region.
> 
> In follow-up patches, we will rework how secondary CPU bring-up works
> and it will be convenient to use the fixmap area for accessing
> the root page-table (it is per-cpu).
> 
> Rework the code to use temporary mapping when the Xen physical address
> is not overlapping with the temporary mapping.
> 
> This also has the advantage to simplify the logic to identity map
> Xen.
> 
> Signed-off-by: Julien Grall <[email protected]>

Hi Julien,

Seems good to me, I’ve also tested on qemu and FVP, creating/destroying guests 
and no issues so far.

Reviewed-by: Luca Fancellu <[email protected]>
Tested-by: Luca Fancellu <[email protected]>


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