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Merge tag 'trace-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux...
[deliverable/linux.git]
/
arch
/
microblaze
/
kernel
/
ftrace.c
diff --git
a/arch/microblaze/kernel/ftrace.c
b/arch/microblaze/kernel/ftrace.c
index bbcd2533766cbf95928cf125219d53fcba70f3be..fc7b48a52cd554c74be87e2185f7594c68c20beb 100644
(file)
--- a/
arch/microblaze/kernel/ftrace.c
+++ b/
arch/microblaze/kernel/ftrace.c
@@
-27,6
+27,9
@@
void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
unsigned long return_hooker = (unsigned long)
&return_to_handler;
+ if (unlikely(ftrace_graph_is_dead()))
+ return;
+
if (unlikely(atomic_read(¤t->tracing_graph_pause)))
return;
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