[coreboot-gerrit] [M] Change in coreboot[main]: cpu/x86/64bit: Install extended page tables in BSS

[Patrick Rudolph (Code Review)]

Attention is currently required from: Christian Walter, Intel coreboot Reviewers, Johnny Lin, Jonathan Zhang, Jérémy Compostella, Maximilian Brune, Tim Chu.

Patrick Rudolph has posted comments on this change by Patrick Rudolph. ( https://review.coreboot.org/c/coreboot/+/85806?usp=email )

Change subject: cpu/x86/64bit: Install extended page tables in BSS
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Patch Set 6:

(1 comment)

Patchset:

PS6:
> I don't really grasp yet why we need this code. […]

`CPU_PT_ROM_MAP_GB` affects all stages. That would increase the size of every stage, but it's only needed in ramstage after resources have been enabled