Change in coreboot[master]: cpu/intel/common: only lock AES-NI when supported

[Nico Huber (Code Review)]

Nico Huber has submitted this change. ( https://review.coreboot.org/c/coreboot/+/46276 )

Change subject: cpu/intel/common: only lock AES-NI when supported
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cpu/intel/common: only lock AES-NI when supported

Add a check to only lock AES-NI when AES is supported.

Change-Id: Ia7ffd5393a3e972f461ff7991b9c5bd363712361
Signed-off-by: Michael Niewöhner 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46276
Tested-by: build bot (Jenkins) 
Reviewed-by: Tim Wawrzynczak 
Reviewed-by: Nico Huber 
---
M src/cpu/intel/common/common_init.c
1 file changed, 3 insertions(+), 0 deletions(-)

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

diff --git a/src/cpu/intel/common/common_init.c b/src/cpu/intel/common/common_init.c
index f189c59..fc5360d 100644
--- a/src/cpu/intel/common/common_init.c
+++ b/src/cpu/intel/common/common_init.c
@@ -270,6 +270,9 @@
 {
    msr_t msr;

+	if (cpu_get_feature_flags_ecx() & CPUID_AES)
+		return;
+
    /* Only run once per core as specified in the MSR datasheet */
    if (intel_ht_sibling())
    	return;