Change in coreboot[master]: cpu/x86/mtrr: Running `remove_temp_solution` for all logical processors

[Subrata Banik (Code Review)]

Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/63498 )

Change subject: cpu/x86/mtrr: Running `remove_temp_solution` for all logical processors
......................................................................

cpu/x86/mtrr: Running `remove_temp_solution` for all logical processors

Signed-off-by: Subrata Banik 
Change-Id: I4dc9183a06ef60b60907d26ea3e6e382f0c29d8c
---
M src/cpu/x86/mtrr/mtrr.c
1 file changed, 8 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/63498/1

diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c
index 288f06d..a437fb9 100644
--- a/src/cpu/x86/mtrr/mtrr.c
+++ b/src/cpu/x86/mtrr/mtrr.c
@@ -16,6 +16,7 @@
 #include <device/device.h>
 #include <device/pci_ids.h>
 #include <cpu/cpu.h>
+#include <cpu/x86/mp.h>
 #include <cpu/x86/msr.h>
 #include <cpu/x86/mtrr.h>
 #include <cpu/x86/cache.h>
@@ -913,11 +914,17 @@
    memranges_teardown(&addr_space);
 }

-static void remove_temp_solution(void *unused)
+static void restore_original_mtrr_solution(void *unused)
 {
    if (put_back_original_solution)
    	commit_var_mtrrs(&mtrr_global_solution);
 }

+static void remove_temp_solution(void *unused)
+{
+	if (mp_run_on_all_cpus(&restore_original_mtrr_solution, NULL) != CB_SUCCESS)
+		printk(BIOS_ERR, "MTRR restoring to original solution failure\n");
+}
+
 BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, remove_temp_solution, NULL);
 BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, remove_temp_solution, NULL);