From: Ayan Kumar Halder <ayan.kumar.halder@amd.com>
To: <xen-devel@lists.xenproject.org>
Cc: Michal Orzel <michal.orzel@amd.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Julien Grall <julien@xen.org>,
Bertrand Marquis <bertrand.marquis@arm.com>,
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
Ayan Kumar Halder <ayan.kumar.halder@amd.com>
Subject: [PATCH v3 4/5] xen/arm32: Allow ARM_PA_BITS_40 only if !MPU
Date: Sun, 30 Mar 2025 19:03:07 +0100 [thread overview]
Message-ID: <20250330180308.2551195-5-ayan.kumar.halder@amd.com> (raw)
In-Reply-To: <20250330180308.2551195-1-ayan.kumar.halder@amd.com>
From: Michal Orzel <michal.orzel@amd.com>
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@amd.com>
Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@amd.com>
---
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
next prev parent reply other threads:[~2025-03-30 18:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-30 18:03 [PATCH v3 0/5] Enable early bootup of Armv8-R AArch32 systems Ayan Kumar Halder
2025-03-30 18:03 ` [PATCH v3 1/5] xen/arm32: Move MM specific registers to enable_mmu Ayan Kumar Halder
2025-03-30 18:03 ` [PATCH v3 2/5] xen/arm: Move some of the functions to common file Ayan Kumar Halder
2025-03-30 21:06 ` Julien Grall
2025-03-31 8:28 ` Orzel, Michal
2025-03-31 12:38 ` Ayan Kumar Halder
2025-03-31 13:04 ` Julien Grall
2025-03-30 18:03 ` [PATCH v3 3/5] xen/arm32: Create the same boot-time MPU regions as arm64 Ayan Kumar Halder
2025-03-30 18:03 ` Ayan Kumar Halder [this message]
2025-03-30 21:07 ` [PATCH v3 4/5] xen/arm32: Allow ARM_PA_BITS_40 only if !MPU Julien Grall
2025-03-30 18:03 ` [PATCH v3 5/5] xen/arm32: mpu: Stubs to build MPU for arm32 Ayan Kumar Halder
2025-03-30 21:11 ` Julien Grall
2025-04-03 16:35 ` Ayan Kumar Halder
2025-03-31 10:13 ` [PATCH v3 0/5] Enable early bootup of Armv8-R AArch32 systems Orzel, Michal
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