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Re: [PATCH v3 4/5] xen/arm32: Allow ARM_PA_BITS_40 only if !MPU

To: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
From: Julien Grall <julien@xxxxxxx>
Date: Sun, 30 Mar 2025 22:07:54 +0100
Cc: Michal Orzel <michal.orzel@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
Delivery-date: Sun, 30 Mar 2025 21:07:59 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Hi,

On 30/03/2025 19:03, Ayan Kumar Halder wrote:

From: Michal Orzel <michal.orzel@xxxxxxx>

ArmV8-R AArch32 does not support LPAE. The reason being PMSAv8-32
supports 32-bit physical address only.

Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>


Acked-by: Julien Grall <jgrall@xxxxxxxxxx>

Cheers,

--
Julien Grall

References:
- [PATCH v3 0/5] Enable early bootup of Armv8-R AArch32 systems
  - From: Ayan Kumar Halder
- [PATCH v3 4/5] xen/arm32: Allow ARM_PA_BITS_40 only if !MPU
  - From: Ayan Kumar Halder

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