Some parts of the iovec API were replaced by the similar message API. Refactoring the code to use that.
--- a/vmci-only/linux/vmciKernelIf.c	2015-02-07 03:11:55.000000000 +0300
+++ c/vmci-only/linux/vmciKernelIf.c	2015-02-24 03:58:06.041605450 +0300
@@ -40,6 +40,7 @@
 #include <linux/socket.h>       /* For memcpy_{to,from}iovec(). */
 #include <linux/vmalloc.h>
 #include <linux/wait.h>
+#include <linux/skbuff.h>
 
 #include "compat_highmem.h"
 #include "compat_interrupt.h"
@@ -1196,21 +1197,21 @@
       } else {
          toCopy = size - bytesCopied;
       }
-
+      /* Code cloned from kernels drivers/misc/vmw_vmci/vmci_queue_pair.c */
       if (isIovec) {
-         struct iovec *iov = (struct iovec *)src;
-         int err;
+         struct msghdr *msg = (struct msghdr *)src;
+         int err;
 
-         /* The iovec will track bytesCopied internally. */
-         err = memcpy_fromiovec((uint8 *)va + pageOffset, iov, toCopy);
-         if (err != 0) {
-            if (kernelIf->host) {
-               kunmap(kernelIf->u.h.page[pageIndex]);
+         /* The iovec will track bytes_copied internally. */
+         err = memcpy_from_msg((u8 *)va + pageOffset, msg, toCopy);
+         if (err != 0) {
+            if (kernelIf->host)
+               kunmap(kernelIf->u.h.page[pageIndex]);
+               return VMCI_ERROR_INVALID_ARGS;
             }
-            return VMCI_ERROR_INVALID_ARGS;
-         }
-      } else {
-         memcpy((uint8 *)va + pageOffset, (uint8 *)src + bytesCopied, toCopy);
+        } else {
+            memcpy((u8 *)va + pageOffset,
+                   (u8 *)src + bytesCopied, toCopy);
       }
 
       bytesCopied += toCopy;
@@ -1273,11 +1274,11 @@
       }
 
       if (isIovec) {
-         struct iovec *iov = (struct iovec *)dest;
+	  struct msghdr *msg = (struct msghdr *)dest;
          int err;
 
          /* The iovec will track bytesCopied internally. */
-         err = memcpy_toiovec(iov, (uint8 *)va + pageOffset, toCopy);
+	  err = memcpy_to_msg(msg, (uint8 *)va + pageOffset, toCopy);
          if (err != 0) {
             if (kernelIf->host) {
                kunmap(kernelIf->u.h.page[pageIndex]);