Hi Vineet, On Tue, 2016-06-28 at 10:00 +0530, Vineet Gupta wrote: > On Thursday 23 June 2016 01:30 PM, Alexey Brodkin wrote: > > > > If CONFIG_ARC_DW2_UNWIND is disabled every time arc_unwind_core() > > gets called following message gets printed in debug console: > > ----------------->8--------------- > > CONFIG_ARC_DW2_UNWIND needs to be enabled > > ----------------->8--------------- > > > > That message makes sense if user indeed wants to see a backtrace or > > get nice function call-graphs in perf but what if user disabled > > unwinder for the purpose? Why pollute his debug console? > > > > So instead we'll warn user about possibly missing feature once and > > let him decide if that was what he or she really wanted. > > > > Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com> > > Cc: stable at vger.kernel.org??[3.18+] > > Does this really need to be stable backport ? I think it makes perfect sense for any kernel version because it saves debug console from being polluted with messages which most probably have no point (Ok I disabled unwinder in kernel config, why then spam me with proposals to enable it)? -Alexey
