From fca59bea770346cf1c1f9b0e00cb48a61b44a8f3 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Sun, 25 Oct 2015 21:00:20 +0100
Subject: import of old now defunct presentation slides svn repo

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+%     Registration             Xen 3.0 and the Art of Virtualization          
+%  [2]Register/Submit Ian Pratt (ian.pratt@cl.cam.ac.uk)                      
+
+The Xen Virtual Machine Monitor will soon be undergoing 
+its third major release, and is maturing into a stable, 
+secure, and full-featured virtualization solution for   
+Linux and other operating systems.                      
+
+This new release of Xen supports a number of key new    
+features, such as: SMP guest operating systems (as well 
+as SMP hosts); x86\_64 support (with further ports to    
+ppc and {ia-64} in progress); and support for Intel's     
+VT-x virtualization extensions, which enable Xen/Linux  
+to host `legacy' OSes such as Windows XP.               
+
+This paper reviews the Xen hypervisor ABI, and examines 
+the Linux 2.6 port. We follow the evolution of memory   
+virtualization techniques supported by Xen and show how 
+the current implementation achieves excellent           
+performance while minimising changes to Linux. We       
+discuss the new support for SMP guest OSes, and show    
+how modifications to Linux`s spinlock code allow us to  
+optimise scheduling of virtual CPUs. Finally we look at 
+how Linux IO devices may be virtualized and exported to 
+other virtual machines using high-performance           
+`device-channels.'                                      
+
+
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