[M] Change in coreboot[main]: smmstorev2: Load the communication buffer at SMM setup

[Arthur Heymans (Code Review)]

Attention is currently required from: Jérémy Compostella, Patrick Rudolph.

Hello Jérémy Compostella, Patrick Rudolph, build bot (Jenkins), 

I'd like you to reexamine a change. Please visit

    https://review.coreboot.org/c/coreboot/+/79738?usp=email

to look at the new patch set (#5).


Change subject: smmstorev2: Load the communication buffer at SMM setup
......................................................................

smmstorev2: Load the communication buffer at SMM setup

This removes the runtime SMI call to set up the communication buffer
for SMMSTORE in favor of setting this buffer up during the installation
of the smihandler.

The reason is that it's less code in the handler and a time costly SMI
is also avoided in ramstage.

Signed-off-by: Arthur Heymans <[e-mail]>
Change-Id: I94dce77711f37f87033530f5ae48cb850a39341b
---
M Documentation/drivers/smmstorev2.md
M src/cpu/x86/smm/smm_module_handler.c
M src/cpu/x86/smm/smm_module_loader.c
M src/drivers/smmstore/ramstage.c
M src/drivers/smmstore/smi.c
M src/drivers/smmstore/store.c
M src/include/cpu/x86/smm.h
M src/include/smmstore.h
8 files changed, 50 insertions(+), 77 deletions(-)


  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/79738/5
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Gerrit-Project: coreboot
Gerrit-Branch: main
Gerrit-Change-Id: I94dce77711f37f87033530f5ae48cb850a39341b
Gerrit-Change-Number: 79738
Gerrit-PatchSet: 5
Gerrit-Owner: Arthur Heymans <[e-mail]>
Gerrit-Reviewer: Jérémy Compostella <[e-mail]>
Gerrit-Reviewer: Patrick Rudolph <[e-mail]>
Gerrit-Reviewer: build bot (Jenkins) <[e-mail]>
Gerrit-Attention: Patrick Rudolph <[e-mail]>
Gerrit-Attention: Jérémy Compostella <[e-mail]>
Gerrit-MessageType: newpatchset