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arc: export symbol for save_stack_trace() in stacktrace.c

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Need export its symbol just like other architectures done, or can not
pass compiling with allmodconfig, the related error:

    MODPOST 2994 modules
  ERROR: "save_stack_trace" [kernel/backtracetest.ko] undefined!
  ERROR: "save_stack_trace" [drivers/md/persistent-data/dm-persistent-data.ko] undefined!

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Chen Gang 2013-10-28 11:00:38 +08:00 committed by Vineet Gupta
parent 4782f7f9ae
commit 8f146d0204
1 changed files with 1 additions and 0 deletions
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arch/arc/kernel/stacktrace.c
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@ -246,4 +246,5 @@ void save_stack_trace(struct stack_trace *trace)
/* Pass NULL for task so it unwinds the current call frame */
arc_unwind_core(NULL, NULL, __collect_all, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace);
#endif