Re: [RESEND PATCH v5 07/11] ppc64/kexec_file: enable early kernel's OPAL calls

From: Thiago Jung Bauermann
Date: Mon Jul 27 2020 - 22:17:45 EST

Hari Bathini <hbathini@xxxxxxxxxxxxx> writes:

> Kernel built with CONFIG_PPC_EARLY_DEBUG_OPAL enabled expects r8 & r9
> to be filled with OPAL base & entry addresses respectively. Setting
> these registers allows the kernel to perform OPAL calls before the
> device tree is parsed.
> Signed-off-by: Hari Bathini <hbathini@xxxxxxxxxxxxx>

Reviewed-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>

Thiago Jung Bauermann
IBM Linux Technology Center