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[PATCH v3 4/5] xen/arm32: Allow ARM_PA_BITS_40 only if !MPU
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Date: Sun, 30 Mar 2025 19:03:07 +0100
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- Cc: Michal Orzel <michal.orzel@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Delivery-date: Sun, 30 Mar 2025 18:03:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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>
---
Changes from
v1 - 1. New patch.
v2 - 1. No changes
xen/arch/arm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index a4af0b85f1..565f288331 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -58,7 +58,7 @@ config ARM_PA_BITS_32
config ARM_PA_BITS_40
bool "40-bit"
- depends on ARM_32
+ depends on ARM_32 && !MPU
endchoice
config PADDR_BITS
--
2.25.1
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