Add a small readme file explaining how to build PV-on-HVM drivers.

Signed-off-by: Steven Smith <ssmith@xensource.com>

diff --git a/unmodified_drivers/linux-2.6/README b/unmodified_drivers/linux-2.6/README
new file mode 100644 (file)
index 0000000..3d57a8e
--- /dev/null
+++ b/unmodified_drivers/linux-2.6/README
@@ -0,0 +1,7 @@
+To build, run ./mkbuildtree and then
+
+make -C /path/to/kernel/source M=$PWD modules
+
+You get four modules, xen-evtchn-pci.ko, xenbus.ko, xen-vbd.ko, and
+xen-vnif.ko.  Load xen-evtchn-pci first, then xenbus, and then
+whichever of xen-vbd and xen-vnif you happen to need.