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Re: [PATCH 1/6] arm/mpu: Implement copy_from_paddr for MPU systems
- To: Harry Ramsey <harry.ramsey@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: "Orzel, Michal" <michal.orzel@xxxxxxx>
- Date: Thu, 4 Dec 2025 11:44:39 +0100
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- Cc: <Luca.Fancellu@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Hari Limaye <hari.limaye@xxxxxxx>
- Delivery-date: Thu, 04 Dec 2025 10:45:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 28/11/2025 10:58, Harry Ramsey wrote:
> From: Luca Fancellu <luca.fancellu@xxxxxxx>
>
> Implement the function copy_from_paddr variant for MPU systems, using
> the map_pages_to_xen/destroy_xen_mappings to temporarily map the memory
> range to be copied.
>
> Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx>
> Signed-off-by: Hari Limaye <hari.limaye@xxxxxxx>
> Signed-off-by: Harry Ramsey <harry.ramsey@xxxxxxx>
Reviewed-by: Michal Orzel <michal.orzel@xxxxxxx>
~Michal
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