[tip:core/rcu] trace: Allow ftrace_dump() to be called from modules

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Commit-ID:  a8eecf2248a45bf69f0625b23c003ad2ccd765ee
Gitweb:     http://git.kernel.org/tip/a8eecf2248a45bf69f0625b23c003ad2ccd765ee
Author:     Paul E. McKenney <paul.mckenney@xxxxxxxxxx>
AuthorDate: Sun, 2 Oct 2011 11:01:15 -0700
Committer:  Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Sun, 11 Dec 2011 10:31:25 -0800

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@xxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
 kernel/trace/trace.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f2bd275..a043d22 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)
 {
--
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