X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=Documentation%2Fftrace.txt;h=ea5a827395dd31a6c34e91da54a6d81367be077a;hb=f29c9b1ccb52904ee442a933cf3dee628f9f4e62;hp=f218f616ff6bbf79e6b6aa6987f64a41142df5f0;hpb=6d52dcbe56ca8464bcad56d98a64bcd781596663;p=linux-2.6-omap-h63xx.git

diff --git a/Documentation/ftrace.txt b/Documentation/ftrace.txt
index f218f616ff6..ea5a827395d 100644
--- a/Documentation/ftrace.txt
+++ b/Documentation/ftrace.txt
@@ -4,6 +4,7 @@
 Copyright 2008 Red Hat Inc.
    Author:   Steven Rostedt <srostedt@redhat.com>
   License:   The GNU Free Documentation License, Version 1.2
+               (dual licensed under the GPL v2)
 Reviewers:   Elias Oltmanns, Randy Dunlap, Andrew Morton,
 	     John Kacur, and David Teigland.
 
@@ -290,6 +291,9 @@ explains which is which.
   CPU#: The CPU which the process was running on.
 
   irqs-off: 'd' interrupts are disabled. '.' otherwise.
+	    Note: If the architecture does not support a way to
+		  read the irq flags variable, an 'X' will always
+		  be printed here.
 
   need-resched: 'N' task need_resched is set, '.' otherwise.