Change in coreboot[master]: cpu/x86/mp_init: Add comment to smm_do_relocation

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/57858 )

Change subject: cpu/x86/mp_init: Add comment to smm_do_relocation
......................................................................

cpu/x86/mp_init: Add comment to smm_do_relocation

It took me a while to understand the SMM set up flow. This adds a
clarifying comment.

BUG=b:194391185, b:179699789
TEST=None

Signed-off-by: Raul E Rangel 
Change-Id: I9c73e416b8c583cf870e7a29b0bd7dcc99c2f5f4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57858
Tested-by: build bot (Jenkins) 
Reviewed-by: Arthur Heymans 
Reviewed-by: Paul Menzel 
---
M src/cpu/x86/mp_init.c
1 file changed, 5 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Paul Menzel: Looks good to me, but someone else must approve
  Arthur Heymans: Looks good to me, approved

diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c
index aa037f3..f54a7b7 100644
--- a/src/cpu/x86/mp_init.c
+++ b/src/cpu/x86/mp_init.c
@@ -714,6 +714,11 @@
    	mp_state.do_smm = 1;
 }

+/*
+ * This code is built as part of ramstage, but it actually runs in SMM. This
+ * means that ENV_SMM is 0, but we are actually executing in the environment
+ * setup by the smm_stub.
+ */
 static void asmlinkage smm_do_relocation(void *arg)
 {
    const struct smm_module_params *p;

1 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.