Patch Set 10:
> (1 comment)
> > Why is it needed? As far as I understand FSP 2.1, that
introduced
 > MP_SERVICES_PPI, also introduced shared stack when selecting
 > FSP_USES_CB_STACK.
 > Simply select FSP_USES_CB_STACK when using MP_SERVICES_PPI
should
 > fix the issue.
> The reason is that, on FSP2.0 platform also we might need to
enable MP PPI feature but same stack sharing concept might not
applied on FSP 2.0 enabled platform, hence we are looking for some
solution to bypass stack dependencies.

Reading the commit message of https://review.coreboot.org/c/coreboot/+/30310
it sounds like MP PPI feature is only available on FSP2.1. Is it
available on all FSP2.0 platforms as well?

yes Patrick, we are getting push to enable this feature on few latest FSP 2.0 platform like WHL and CML as well.

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