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Re: [XEN][PATCH v5 03/17] xen/arm: Add CONFIG_OVERLAY_DTB
- To: Vikram Garhwal <vikram.garhwal@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Michal Orzel <michal.orzel@xxxxxxx>
- Date: Thu, 13 Apr 2023 11:58:06 +0200
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- Cc: <sstabellini@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Thu, 13 Apr 2023 09:58:22 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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
> +
> ### 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
|
