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-rw-r--r--src/cpu/x86/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/cpu/x86/Kconfig b/src/cpu/x86/Kconfig
index 131cbf24bb..94225a3807 100644
--- a/src/cpu/x86/Kconfig
+++ b/src/cpu/x86/Kconfig
@@ -96,6 +96,17 @@ config SMM_LAPIC_REMAP_MITIGATION
default y if NORTHBRIDGE_INTEL_NEHALEM
default n
+config SERIALIZED_SMM_INITIALIZATION
+ bool
+ default n
+ help
+ On some CPUs, there is a race condition in SMM.
+ This can occur when both hyperthreads change SMM state
+ variables in parallel without coordination.
+ Setting this option serializes the SMM initialization
+ to avoid an ugly hang in the boot process at the cost
+ of a slightly longer boot time.
+
config X86_AMD_FIXED_MTRRS
bool
default n