diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b8fadf5f75a3e388e29437af4604bba9d60210a8..040e30a33b7c5582451f95dd233d6c4692d1fe91 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1191,6 +1191,8 @@ and is between 256 and 4096 characters. It is defined in the file
 			register save and restore. The kernel will only save
 			legacy floating-point registers on task switch.
 
+	noclflush	[BUGS=X86] Don't use the CLFLUSH instruction
+
 	nohlt		[BUGS=ARM]
 
 	no-hlt		[BUGS=X86-32] Tells the kernel that the hlt
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index dfc9563fc4f02cd510412c8ff4b3e8d678ee1798..56b7ea8e6c79b2330677c20292a1f21dd2ecc34c 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -542,6 +542,13 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
 }
 #endif
 
+static __init int setup_noclflush(char *arg)
+{
+	setup_clear_cpu_cap(X86_FEATURE_CLFLSH);
+	return 1;
+}
+__setup("noclflush", setup_noclflush);
+
 void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
 {
 	char *vendor = NULL;
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index df159520bbd220b3db0af639375f7bd2c79c61fd..cb9b8a90c094bd83da615880939017e64fa44c19 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -1032,6 +1032,13 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
 
 }
 
+static __init int setup_noclflush(char *arg)
+{
+	setup_clear_cpu_cap(X86_FEATURE_CLFLSH);
+	return 1;
+}
+__setup("noclflush", setup_noclflush);
+
 void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
 {
 	if (c->x86_model_id[0])