Change in coreboot[master]: cpu/x86: Add function to set put_back_original_solution

[Kane Chen (Code Review)]

Kane Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/63485 )

Change subject: cpu/x86: Add function to set put_back_original_solution
......................................................................

cpu/x86: Add function to set put_back_original_solution

put_back_original_solution flag in mtrr.c is static, but there is a
need to set put_back_original_solution outside of mtrr.c in order to
let remove_temp_solution work.

Change-Id: Ic6b5683b2aa7398a5e141f710394ab772e9775e7
Signed-off-by: Kane Chen 
---
M src/cpu/x86/mtrr/mtrr.c
M src/include/cpu/x86/mtrr.h
2 files changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/85/63485/1

diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c
index 89cac7f..18ab7fa 100644
--- a/src/cpu/x86/mtrr/mtrr.c
+++ b/src/cpu/x86/mtrr/mtrr.c
@@ -908,6 +908,11 @@
    memranges_teardown(&addr_space);
 }

+void need_restore_mtrr(void)
+{
+	put_back_original_solution = true;
+}
+
 static void remove_temp_solution(void *unused)
 {
    if (put_back_original_solution)
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h
index b8d1517..5a23784 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -96,6 +96,7 @@
 /* Set up fixed MTRRs but do not enable them. */
 void x86_setup_fixed_mtrrs_no_enable(void);
 void x86_mtrr_check(void);
+void need_restore_mtrr(void);

/* Insert a temporary MTRR range for the duration of coreboot's runtime.
  * This function needs to be called after the first MTRR solution is derived. */