diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 32c30b02b51febd1d4df5c9d9dff792e95ea627d..794234eba31771b33215d2532756d6fca65cd1ba 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -397,10 +397,7 @@ DECLARE_PER_CPU(char *, irq_stack_ptr);
 
 static inline void load_gs_base(int cpu)
 {
-	/* Memory clobbers used to order pda/percpu accesses */
-	mb();
 	wrmsrl(MSR_GS_BASE, (unsigned long)per_cpu(irq_stack_union.gs_base, cpu));
-	mb();
 }
 #endif