diff --git a/[refs] b/[refs]
index 9fe54c897a6a..707210bd9650 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 635cf99a80f4ebee59d70eb64bb85ce829e4591f
+refs/heads/master: be0a39120cb6b88bd085a3a280f5c769a3ed85ad
diff --git a/trunk/arch/i386/kernel/vsyscall-sysenter.S b/trunk/arch/i386/kernel/vsyscall-sysenter.S
index 76b728159403..3b62baa6a371 100644
--- a/trunk/arch/i386/kernel/vsyscall-sysenter.S
+++ b/trunk/arch/i386/kernel/vsyscall-sysenter.S
@@ -21,6 +21,9 @@
  * instruction clobbers %esp, the user's %esp won't even survive entry
  * into the kernel. We store %esp in %ebp. Code in entry.S must fetch
  * arg6 from the stack.
+ *
+ * You can not use this vsyscall for the clone() syscall because the
+ * three dwords on the parent stack do not get copied to the child.
  */
 	.text
 	.globl __kernel_vsyscall