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[XEN RFC PATCH 17/40] xen/arm: Introduce DEVICE_TREE_NUMA Kconfig for arm64
- To: <wei.chen@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <sstabellini@xxxxxxxxxx>, <julien@xxxxxxx>, <jbeulich@xxxxxxxx>
- From: Wei Chen <wei.chen@xxxxxxx>
- Date: Wed, 11 Aug 2021 18:24:00 +0800
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- Cc: <Bertrand.Marquis@xxxxxxx>
- Delivery-date: Wed, 11 Aug 2021 10:25:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
We need a Kconfig option to distinguish with ACPI based
NUMA. So we introduce the new Kconfig option:
DEVICE_TREE_NUMA in this patch for Arm64.
Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
---
xen/arch/arm/Kconfig | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index ecfa6822e4..678cc98ea3 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -33,6 +33,16 @@ config ACPI
Advanced Configuration and Power Interface (ACPI) support for Xen is
an alternative to device tree on ARM64.
+config DEVICE_TREE_NUMA
+ bool "NUMA (Non-Uniform Memory Access) Support (UNSUPPORTED)" if
UNSUPPORTED
+ depends on ARM_64
+ select NUMA
+ ---help---
+
+ Non-Uniform Memory Access (NUMA) is a computer memory design used in
+ multiprocessing, where the memory access time depends on the memory
+ location relative to the processor.
+
config GICV3
bool "GICv3 driver"
depends on ARM_64 && !NEW_VGIC
--
2.25.1
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