[PATCH 4/6] kho: Introduce KHO FDT ABI header

[Pratyush Yadav]

On Mon, Jan 05 2026, Mike Rapoport wrote:

> From: Jason Miu <jasonmiu at google.com>
>
> Introduce the `include/linux/kho/abi/kexec_handover.h` header file,
> which defines the stable ABI for the KHO mechanism. This header specifies
> how preserved data is passed between kernels using an FDT.
>
> The ABI contract includes the FDT structure, node properties, and the
> "kho-v1" compatible string. By centralizing these definitions, this
> header serves as the foundational agreement for inter-kernel
> communication of preserved states, ensuring forward compatibility and
> preventing misinterpretation of data across kexec transitions.
>
> Since the ABI definitions are now centralized in the header files, the
> YAML files that previously described the FDT interfaces are
> redundant. These redundant files have therefore been removed.
>
> Signed-off-by: Jason Miu <jasonmiu at google.com>
> Co-developed-by: Mike Rapoport (Microsoft) <rppt at kernel.org>
> Signed-off-by: Mike Rapoport (Microsoft) <rppt at kernel.org>

Reviewed-by: Pratyush Yadav <pratyush at kernel.org>

[...]

-- 
Regards,
Pratyush Yadav