Re: [PATCH] pstore: Add boot loader log messages support

[Kees Cook]

On Thu, Feb 14, 2019 at 8:01 PM Yue Hu <huyue2@xxxxxxxxxx> wrote:
> Yes, boot loader will did the _write_. When booting from power on, the first phase
> is boot loader, it will log to specific reserver memory. Then kernel/pstore is
> coming up, pstore will copy the log generated by boot loader to xbl zone. The xbl
> memory zone layout like below:
>
> +-----+---------
> |dest |
> |-----|  xbl zone
> |src  |
> +-----+---------
>
> Anyway, i think it is a useful debug feature.

Ah-ha, interesting. Okay, please mention this (and how the boot loader
knows to write in the area) in v2.

Thanks!

-- 
Kees Cook