[S] Change in coreboot[master]: smm: Invalid the smm handler region instead of the whole

[Bao Zheng (Code Review)]

Attention is currently required from: Zheng Bao.

Hello Zheng Bao,

I'd like you to do a code review.
Please visit

https://review.coreboot.org/c/coreboot/+/69783

to review the following change.

Change subject: smm: Invalid the smm handler region instead of the whole
......................................................................

smm: Invalid the smm handler region instead of the whole

The S3 data needs to be put to smm cache region. If the whole smm
regions are invalid, the header information will be lost and the data
saving will fail.

Change-Id: I1cd422f35b3dfa25ae8ed8034f05f8d47350fd6e
Signed-off-by: Zheng Bao 
---
M src/soc/amd/common/block/cpu/smm/smm_relocate.c
1 file changed, 15 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/83/69783/1

diff --git a/src/soc/amd/common/block/cpu/smm/smm_relocate.c b/src/soc/amd/common/block/cpu/smm/smm_relocate.c
index 4d33b65..c50cf52 100644
--- a/src/soc/amd/common/block/cpu/smm/smm_relocate.c
+++ b/src/soc/amd/common/block/cpu/smm/smm_relocate.c
@@ -62,7 +62,7 @@
    uintptr_t tseg_base;
    size_t tseg_size;

-	smm_region(&tseg_base, &tseg_size);
+	smm_subregion(SMM_SUBREGION_HANDLER, &tseg_base, &tseg_size);

msr_t msr;
    msr.lo = tseg_base;