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Re: [PATCH 4/5] arm/mpu: Implement ioremap_attr for MPU
- To: Hari Limaye <hari.limaye@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Ayan Kumar Halder <ayankuma@xxxxxxx>
- Date: Mon, 4 Aug 2025 14:03:43 +0100
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- Cc: <luca.fancellu@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Mon, 04 Aug 2025 13:04:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hi Hari,
On 30/07/2025 09:45, Hari Limaye wrote:
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From: Luca Fancellu <luca.fancellu@xxxxxxx>
Introduce helpers (un)map_mm_range() in order to allow the temporary
mapping of a range of memory, and use these to implement the function
`ioremap_attr` for MPU systems.
Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx>
Signed-off-by: Hari Limaye <hari.limaye@xxxxxxx>
Reviewed-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
Tested-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
(On R82 and R52 with some additional patches)
- Ayan
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