X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=b29f3c416296ef880203a02c1d9b8c707f09206a;hb=83c2f912b43c3a7babbb6cb7ae2a5276c1ed2a3e;hp=eb93fd0ec734760224a16e87c2be8b391f604b55;hpb=1e6c4dfdeb040b2dd5c4d6d803ab95c3971ad80c;p=~andy%2Flinux

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index eb93fd0ec73..b29f3c41629 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2475,6 +2475,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	stacktrace	[FTRACE]
 			Enabled the stack tracer on boot up.
 
+	stacktrace_filter=[function-list]
+			[FTRACE] Limit the functions that the stack tracer
+			will trace at boot up. function-list is a comma separated
+			list of functions. This list can be changed at run
+			time by the stack_trace_filter file in the debugfs
+			tracing directory. Note, this enables stack tracing
+			and the stacktrace above is not needed.
+
 	sti=		[PARISC,HW]
 			Format: <num>
 			Set the STI (builtin display/keyboard on the HP-PARISC