[M] Change in coreboot[master]: cpu/x86/smm: Add PCI BAR store functionality

[Martin Roth (Code Review)]

Attention is currently required from: Arthur Heymans, Robert Zieba, Nico Huber, Karthik Ramasubramanian, Felix Held.

Martin Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/67931 )

Change subject: cpu/x86/smm: Add PCI BAR store functionality
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Patch Set 5:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/67931/comment/8c138c1c_6cd3135f 
PS2, Line 9: n certain cases data within protected memmory areas like SMRAM could
           : be leaked or modified if an attacker remaps PCI BARs to point within
           : that area.
> > I thought the hardware makes sure that you cannot put BARs where memory resides. […]

Thanks Nico, great explanation.