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.c...@asianux.com> --- arch/arc/kernel/stacktrace.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c index f8b7d88..607c6e4 100644 --- a/arch/arc/kernel/stacktrace.c +++ b/arch/arc/kernel/stacktrace.c @@ -244,4 +244,5 @@ void save_stack_trace(struct stack_trace *trace) { arc_unwind_core(current, NULL, __collect_all, trace); } +EXPORT_SYMBOL_GPL(save_stack_trace); #endif -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/