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Re: [XEN][PATCH v5 03/17] xen/arm: Add CONFIG_OVERLAY_DTB
- To: Michal Orzel <michal.orzel@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Vikram Garhwal <vikram.garhwal@xxxxxxx>
- Date: Thu, 13 Apr 2023 12:27:19 -0700
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- Delivery-date: Thu, 13 Apr 2023 19:28:02 +0000
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Hi Michal,
On 4/13/23 2:58 AM, Michal Orzel wrote:
Hi Vikram,
On 11/04/2023 21:16, Vikram Garhwal wrote:
Introduce a config option where the user can enable support for adding/removing
device tree nodes using a device tree binary overlay.
Signed-off-by: Vikram Garhwal <vikram.garhwal@xxxxxxx>
---
SUPPORT.md | 6 ++++++
xen/arch/arm/Kconfig | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/SUPPORT.md b/SUPPORT.md
index aa1940e55f..0a31f40af4 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -822,6 +822,12 @@ No support for QEMU backends in a 16K or 64K domain.
Status: Supported
+### Device Tree Overlays
+
+Add/Remove device tree nodes using a device tree overlay binary(.dtbo).
+
+ Status: Supported for ARM
Hmm, so here you say supported but in Kconfig - unsupported.
I think, this should be:
Status, ARM: Tech Preview
or Experimental
Experimental sounds better to me.
Will update it.
+
### ARM: Guest ACPI support
Status: Supported
diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index 239d3aed3c..1fe3d698a5 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -53,6 +53,11 @@ config HAS_ITS
bool "GICv3 ITS MSI controller support (UNSUPPORTED)" if UNSUPPORTED
depends on GICV3 && !NEW_VGIC && !ARM_32
+config OVERLAY_DTB
+ bool "DTB overlay support (UNSUPPORTED)" if UNSUPPORTED
+ help
+ Dynamic addition/removal of Xen device tree nodes using a dtbo.
+
config HVM
def_bool y
--
2.17.1
~Michal
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