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Diffstat (limited to 'src/cpu/x86/Kconfig')
| -rw-r--r-- | src/cpu/x86/Kconfig | 11 |
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 |