[Skiboot] [PATCH v2 2/2] core: Implement non-FSP dump region opal call

[Vasant Hegde]

On 05/28/2018 09:25 AM, Joel Stanley wrote:
> This provides an implementation of the OPAL_REGISTER_DUMP_REGION and
> OPAL_UNREGISTER_DUMP_REGION calls that can be used by non-FSP systems,
> and performs that registration for all astbmc platforms.
> 
> This pointer will be used by eg. pdbg to fetch the host kernel's log
> buffer over FSI.
> 
> We unconditionally clear the value on a reboot (both fast-reboot and
> reliable reboot) to reduce the chance of debug tools getting the wrong
> buffer.
> 
> Signed-off-by: Joel Stanley <joel at jms.id.au>

Looks good to me.

Reviewed-by: Vasant Hegde <hegdevasant at linux.vnet.ibm.com>

-Vasant