Re: [PATCH 2/2] ppc64: Add a flag to tell the kernel it's booting from kexec

[Scott Wood <scottwood@freescale.com>]

On Sat, 2015-07-18 at 14:57 -0500, Scott Wood wrote:
> It needs to know this because the SMP release mechanism for Freescale
> book3e is different from when booting with normal hardware.  In theory
> we could simulate the normal spin table mechanism, but not (easily) at
> the addresses U-Boot put in the device tree -- so there'd need to be
> even more communication between the kernel and kexec to set that up.
> Since there's already a similar flag being set (for kdump only), this
> seemed like a reasonable approach.
> 
> Signed-off-by: Scott Wood <scottwood@freescale.com>
> ---
>  kexec/arch/ppc64/kexec-elf-ppc64.c | 11 ++++++++++-
>  kexec/arch/ppc64/kexec-ppc64.h     |  2 ++
>  purgatory/arch/ppc64/v2wrap.S      | 11 +++++++++++
>  3 files changed, 23 insertions(+), 1 deletion(-)

Any comment on these two patches?

-Scott