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| author | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
| commit | 5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3 (patch) | |
| tree | 090c7c069bc6c0f2b368ed8d0af861c275525411 /arch/powerpc/kernel/ftrace.c | |
| parent | b25046b1e5e3f1423434da77ccc859f2f779d1ce (diff) | |
| parent | 54ea17a597b00e46b3720e75dd7595cd5dfa5670 (diff) | |
| download | linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.tar.gz linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.tar.bz2 linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.zip | |
Merge l2-mtd/next into l2-mtd/master
Diffstat (limited to 'arch/powerpc/kernel/ftrace.c')
| -rw-r--r-- | arch/powerpc/kernel/ftrace.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index d178834fe508..390311c0f03d 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c @@ -525,6 +525,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) struct ftrace_graph_ent trace; 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; |