--- ols_2007-anthony-2/harper/future_work.tex	2007-04-07 11:54:26.000000000 -0500
+++ ols_2007-anthony-2.new/harper/future_work.tex	2007-04-07 22:26:08.000000000 -0500
@@ -21,14 +21,13 @@
 
 Xen's grant tables infrastructure is used for controlling how one guest shares
 pages with other domains.  As with Xen's Domain 0, the QEMU Xen machine is also
-capable of accessing all of the guests memory obviating the need to reproduce
+capable of accessing all of the guests memory removing the need to reproduce
 grant-table-like functionality.
 
-Xenstore represents a heirarchical data persistance layer much like that of
-Linux's sysfs.  \texttt{kvm-xen} would need to use Linux's sysfs to replicate
-the tree structure and persistance of Xenstore.  In Linux we can set up change
-notifications (Xenstore watches) and replicate the data in the Xenstore format
-as understood by Xenbus.
+Xenstore is a general purpose heirarchical data persistance layer.  Its
+implementation relies on Linux notifier chains to trigger events with a
+XenoLinux kernel.  \texttt{kvm-xen} would rely on implementing a subset of
+Xenstore functionality in the QEMU Xen machine.
 
 \subsection {SMP Guests}