[PATCH 3.14 02/21] arc: unwind: warn only once if DW2_UNWIND is disabled

3.14-stable review patch. If anyone has any objections, please let me know. -- From: Alexey Brodkin commit 9bd54517ee86cb164c734f72ea95aeba4804f10b upstream. If CONFIG_ARC_DW2_UNWIND is disabled every time arc_unwind_core() gets called following

[PATCH 3.14 02/21] arc: unwind: warn only once if DW2_UNWIND is disabled

3.14-stable review patch. If anyone has any objections, please let me know. -- From: Alexey Brodkin commit 9bd54517ee86cb164c734f72ea95aeba4804f10b upstream. If CONFIG_ARC_DW2_UNWIND is disabled every time arc_unwind_core() gets called following message gets printed in debug