[coreboot-gerrit] Change in coreboot[master]: cpu/x86/smm: Add support for long mode

[Arthur Heymans (Code Review)]

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/35681 )

Change subject: cpu/x86/smm: Add support for long mode
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Patch Set 5: Code-Review+1
> Patch Set 5:
> > Patch Set 5:
> >
> > (3 comments)
> >
> > Do you want SMM to rely on a RO component (pagetable)? Wouldn't copying it in ASEG/TSEG be a better idea?
>
> yes, as there's not enough space in ASEG, which is used by qemu.
> Once implemented additional (runtime) pagetables could be installed in RAM.

Ok sounds reasonable. Might be interesting to port over Q35 to CONFIG_SMM_TSEG to have a POC of that too.