X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fftrace.txt;h=ea5a827395dd31a6c34e91da54a6d81367be077a;hb=fed4d59b6ec5481caceb17863f19a0b0e5eaa939;hp=d330fe3103da9c9a3cb8f888ac7255ce48e666d4;hpb=4c0e799a9a6dc64426ddb6c03aea1a154357658f;p=linux-2.6-omap-h63xx.git

diff --git a/Documentation/ftrace.txt b/Documentation/ftrace.txt
index d330fe3103d..ea5a827395d 100644
--- a/Documentation/ftrace.txt
+++ b/Documentation/ftrace.txt
@@ -291,6 +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.