[S] Change in coreboot[main]: cpu/x86/smm: Pass full SMRAM region info to SMM runtime

[Shuo Liu (Code Review)]

Attention is currently required from: Angel Pons, Arthur Heymans, Benjamin Doron, Christian Walter, Felix Held, Fred Reitberger, Jason Glenesk, Jeff Daly, Johnny Lin, Lean Sheng Tan, Matt DeVillier, Tim Chu, Vanessa Eusebio.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/80703?usp=email )

The change is no longer submittable: All-Comments-Resolved is unsatisfied now.

Change subject: cpu/x86/smm: Pass full SMRAM region info to SMM runtime
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Patch Set 3:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/80703/comment/f0be0df6_ab4d3ac8 :
PS3, Line 16: If stage cache writes were permitted, this could compromise the
let us add this to be more specific: SMRAM region includes TSEG_STAGE_CACHE and chipset-specific area (IED). If stage cache ....