[coreboot-gerrit] Change in coreboot[master]: soc/intel/common: sgx: use cpu_lt_lock_memory in sgx setup

[Nico Huber (Code Review)]

Nico Huber has submitted this change. ( https://review.coreboot.org/c/coreboot/+/36354 )

Change subject: soc/intel/common: sgx: use cpu_lt_lock_memory in sgx setup
......................................................................

soc/intel/common: sgx: use cpu_lt_lock_memory in sgx setup

Use the new common function to set LT_LOCK_MEMORY prior to SGX
activation based on Kconfig.

Change-Id: Iefec0e61c7482a70af60dabc0bec3bf712d8b48a
Signed-off-by: Michael Niewöhner 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36354
Tested-by: build bot (Jenkins) 
Reviewed-by: Nico Huber 
---
M src/soc/intel/common/block/sgx/sgx.c
1 file changed, 4 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Nico Huber: Looks good to me, approved

diff --git a/src/soc/intel/common/block/sgx/sgx.c b/src/soc/intel/common/block/sgx/sgx.c
index b12e6cf..842eb43 100644
--- a/src/soc/intel/common/block/sgx/sgx.c
+++ b/src/soc/intel/common/block/sgx/sgx.c
@@ -18,6 +18,7 @@
 #include <cpu/x86/mtrr.h>
 #include <cpu/intel/microcode.h>
 #include <cpu/intel/common/common.h>
+#include <intelblocks/cpulib.h>
 #include <intelblocks/mp_init.h>
 #include <intelblocks/msr.h>
 #include <intelblocks/sgx.h>
@@ -216,8 +217,9 @@
    if (owner_epoch_update() < 0)
    	return;

-	/* Ensure to lock memory before reload microcode patch */
-	cpu_lock_sgx_memory();
+	if (CONFIG(SOC_INTEL_COMMON_BLOCK_SGX_LOCK_MEMORY))
+		/* Ensure to lock memory before reload microcode patch */
+		cpu_lt_lock_memory(NULL);

/*
     * Update just on the first CPU in the core. Other siblings