diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c
index 6af1e8baeb0f..4604802692da 100644
--- a/arch/x86/kernel/cpu/match.c
+++ b/arch/x86/kernel/cpu/match.c
@@ -76,6 +76,9 @@ const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match)
 		if (m->steppings != X86_STEPPING_ANY &&
 		    !(BIT(c->x86_stepping) & m->steppings))
 			continue;
+		if (m->platform_mask != X86_PLATFORM_ANY &&
+		    !(BIT(c->intel_platform_id) & m->platform_mask))
+			continue;
 		if (m->feature != X86_FEATURE_ANY && !cpu_has(c, m->feature))
 			continue;
 		if (!x86_match_vendor_cpu_type(c, m))
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 5b1725fe9707..23ff24080dfd 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -691,6 +691,7 @@ struct x86_cpu_id {
 	__u16 feature;	/* bit index */
 	/* Solely for kernel-internal use: DO NOT EXPORT to userspace! */
 	__u16 flags;
+	__u8  platform_mask;
 	__u8  type;
 	kernel_ulong_t driver_data;
 };
@@ -702,6 +703,7 @@ struct x86_cpu_id {
 #define X86_STEPPING_ANY 0
 #define X86_STEP_MIN 0
 #define X86_STEP_MAX 0xf
+#define X86_PLATFORM_ANY 0x0
 #define X86_FEATURE_ANY 0	/* Same as FPU, you can't test for that */
 #define X86_CPU_TYPE_ANY 0
 
