summaryrefslogtreecommitdiffstats
path: root/drivers/lguest/io.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/lguest/io.c')
-rw-r--r--drivers/lguest/io.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/lguest/io.c b/drivers/lguest/io.c
index c8eb79266991..d2f02f0653ca 100644
--- a/drivers/lguest/io.c
+++ b/drivers/lguest/io.c
@@ -1,5 +1,9 @@
-/* Simple I/O model for guests, based on shared memory.
- * Copyright (C) 2006 Rusty Russell IBM Corporation
+/*P:300 The I/O mechanism in lguest is simple yet flexible, allowing the Guest
+ * to talk to the Launcher or directly to another Guest. It uses familiar
+ * concepts of DMA and interrupts, plus some neat code stolen from
+ * futexes... :*/
+
+/* Copyright (C) 2006 Rusty Russell IBM Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
OpenPOWER on IntegriCloud