Lakshmi Ramasubramanian <nramas@xxxxxxxxxxxxxxxxxxx> writes:
> From: Rob Herring <robh@xxxxxxxxxx>
>
> Both arm64 and powerpc do essentially the same FDT /chosen setup for
> kexec. The differences are either omissions that arm64 should have
> or additional properties that will be ignored. The setup code can be
> combined and shared by both powerpc and arm64.
>
> The differences relative to the arm64 version:
> - If /chosen doesn't exist, it will be created (should never happen).
> - Any old dtb and initrd reserved memory will be released.
> - The new initrd and elfcorehdr are marked reserved.
> - "linux,booted-from-kexec" is set.
>
> The differences relative to the powerpc version:
> - "kaslr-seed" and "rng-seed" may be set.
> - "linux,elfcorehdr" is set.
> - Any existing "linux,usable-memory-range" is removed.
>
> Combine the code for setting up the /chosen node in the FDT and updating
> the memory reservation for kexec, for powerpc and arm64, in
> of_kexec_alloc_and_setup_fdt() and move it to "drivers/of/kexec.c".
>
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@xxxxxxxxxxxxxxxxxxx>
> Fixes: 33488dc4d61f ("of: Add a common kexec FDT setup function")
A patch cannot fix itself. The world would be a much better place if it
could. :-)
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> ---
> drivers/of/Makefile | 6 +
> drivers/of/kexec.c | 265 ++++++++++++++++++++++++++++++++++++++++++++
> include/linux/of.h | 5 +
> 3 files changed, 276 insertions(+)
> create mode 100644 drivers/of/kexec.c
With that fixed:
Reviewed-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>
--
Thiago Jung Bauermann
IBM Linux Technology Center
