diff --git a/BLD/build/HEADERS/CUR-92-vmkdrivers-asm-x64/vmkernel64/release/asm/system.h b/BLD/build/HEADERS/CUR-92-vmkdrivers-asm-x64/vmkernel64/release/asm/system.h
index 163856d08189b366a2fda813f57b85060f201b89..1a5213a084a81af6c528c781a92ddda42f972b08 100644
--- a/BLD/build/HEADERS/CUR-92-vmkdrivers-asm-x64/vmkernel64/release/asm/system.h
+++ b/BLD/build/HEADERS/CUR-92-vmkdrivers-asm-x64/vmkernel64/release/asm/system.h
@@ -352,9 +352,6 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 /* _VMKLNX_CODECHECK_: rmb */
 #define rmb()	asm volatile("lfence":::"memory")
 
-#ifdef CONFIG_UNORDERED_IO
-#define wmb()	asm volatile("sfence" ::: "memory")
-#else
 /**
  *  wmb - write memory barrier 
  *
@@ -368,9 +365,16 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
  *  RETURN VALUE:
  *  NONE
  */
+/*
+ * VMware : 2013
+ *
+ * As mentioned in PR 891237, CONFIG_UNORDERED_IO was removed from Linux
+ * on 03/25/2006 by Andi Kleen ("x86_64: Remove CONFIG_UNORDERED_IO"). Here
+ * wmb() is being changed to a real sfence instead of just a compile barrier.
+ */
 /* _VMKLNX_CODECHECK_: wmb */
-#define wmb()	asm volatile("" ::: "memory")
-#endif
+#define wmb()	asm volatile("sfence" ::: "memory")
+
 #define read_barrier_depends()	do {} while(0)
 #define set_mb(var, value) do { (void) xchg(&var, value); } while (0)