OS-Level_Virtualization: Reword exercise on AMD's Secure Virtual Machine.

The link is dead. Reword the exercise to avoid referring to the
document directly.

Found by checklink.

diff --git a/OS-Level_Virtualization.m4 b/OS-Level_Virtualization.m4
index f5137eaad80c614b007a6d47accf2fc5b9dd19d2..aa5c4e5409772ae739ba588556740a620ac34188 100644 (file)
--- a/OS-Level_Virtualization.m4
+++ b/OS-Level_Virtualization.m4
@@ -118,12 +118,10 @@ EXERCISES()
        hosted</em>. Explain the difference and the pros and cons of either
        flavor. Is QEMU a native or a hosted hypervisor? </li>
 
-       <li> Scan through chapter 15 (Secure Virtual Machine) of the
-
-               <a href="https://www.amd.com/system/files/TechDocs/24593.pdf">AMD Programmer's Manual</a>
-
-       to get an idea of the complexity of Hardware-Assisted
-       Virtualization. </li>
+       <li> Find the AMD Programmer's Manual online. The chapter on
+       "Secure Virtual Machine" describes the CPU instructions related to
+       Hardware-Assisted Virtualization. Glance over this chapter to get an
+       idea of the complexity of Hardware-Assisted Virtualization. </li>
 
 </ul>