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?

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