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authorRusty Russell <rusty@rustcorp.com.au>2007-10-25 15:02:50 +1000
committerRusty Russell <rusty@rustcorp.com.au>2007-10-25 15:02:50 +1000
commite1e72965ec2c02db99b415cd06c17ea90767e3a4 (patch)
tree94e43aac35bdc33220e64f285b72b3b2b787fd57 /include/linux/lguest_launcher.h
parent568a17ffce2eeceae0cd9fc37e97cbad12f70278 (diff)
lguest: documentation update
Went through the documentation doing typo and content fixes. This patch contains only comment and whitespace changes. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'include/linux/lguest_launcher.h')
-rw-r--r--include/linux/lguest_launcher.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h
index c41fd483af34..697104da91f1 100644
--- a/include/linux/lguest_launcher.h
+++ b/include/linux/lguest_launcher.h
@@ -10,7 +10,11 @@
* real devices (think of the damage it could do!) we provide virtual devices.
* We could emulate a PCI bus with various devices on it, but that is a fairly
* complex burden for the Host and suboptimal for the Guest, so we have our own
- * "lguest" bus and simple drivers.
+ * simple lguest bus and we use "virtio" drivers. These drivers need a set of
+ * routines from us which will actually do the virtual I/O, but they handle all
+ * the net/block/console stuff themselves. This means that if we want to add
+ * a new device, we simply need to write a new virtio driver and create support
+ * for it in the Launcher: this code won't need to change.
*
* Devices are described by a simplified ID, a status byte, and some "config"
* bytes which describe this device's configuration. This is placed by the