From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Sun, 2 Oct 2011 18:01:15 +0000 (-0700)
Subject: trace: Allow ftrace_dump() to be called from modules
X-Git-Tag: next-20111215~27^2~6^2^2~58
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a8eecf2248a45bf69f0625b23c003ad2ccd765ee;p=karo-tx-linux.git

trace: Allow ftrace_dump() to be called from modules

Add an EXPORT_SYMBOL_GPL() so that rcutorture can dump the trace buffer
upon detection of an RCU error.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f2bd275bb60f..a043d224adf6 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4775,6 +4775,7 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
 {
 	__ftrace_dump(true, oops_dump_mode);
 }
+EXPORT_SYMBOL_GPL(ftrace_dump);
 
 __init static int tracer_alloc_buffers(void)
 {