perf_events: Fix modular build

Fix:

  ERROR: "perf_swevent_put_recursion_context" [fs/ext4/ext4.ko] undefined!
  ERROR: "perf_swevent_get_recursion_context" [fs/ext4/ext4.ko] undefined!

Cc: Frederic Weisbecker <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Jason Baron <[email protected]>
LKML-Reference: <1258864015[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index b26cb03c19140bf2a37aad6a58fac8bb0f4ddafb..abe1ef47496cfabad4974745bcacb16307333c8c 100644 (file)
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -3903,11 +3903,13 @@ int perf_swevent_get_recursion_context(int **recursion)
 
        return 0;
 }
+EXPORT_SYMBOL_GPL(perf_swevent_get_recursion_context);
 
 void perf_swevent_put_recursion_context(int *recursion)
 {
        (*recursion)--;
 }
+EXPORT_SYMBOL_GPL(perf_swevent_put_recursion_context);
 
 static void __do_perf_sw_event(enum perf_type_id type, u32 event_id,
                               u64 nr, int nmi,