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-rw-r--r--src/arch/x86/include/arch/cpu.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h
index cd8f8b4c97..a0a5840f78 100644
--- a/src/arch/x86/include/arch/cpu.h
+++ b/src/arch/x86/include/arch/cpu.h
@@ -121,8 +121,9 @@ struct device;
((model) & 0xf) << 4 | \
((stepping) & 0xf) << 0)
-#define CPUID_EXACT_MATCH_MASK 0xffffffff
-#define CPUID_ALL_STEPPINGS_MASK 0xfffffff0
+#define CPUID_EXACT_MATCH_MASK 0xffffffff
+#define CPUID_ALL_STEPPINGS_MASK 0xfffffff0
+#define CPUID_ALL_STEPPINGS_AND_BASE_MODELS_MASK 0xffffff00
static inline bool cpuid_match(uint32_t a, uint32_t b, uint32_t mask)
{