On Fri, Dec 10, 2021 at 01:31:23PM +0100, Miroslav Benes wrote: > > > Otherwise I would be surprised that this would make any difference. > > > > How come? I mean, s390 does not define HAVE_C_RECORDMCOUNT which implies > > that recordmcount.pl is used (see scripts/Makefile.build and > > BUILD_C_RECORDMCOUNT definition in Makefile). > > Ah, sorry, that was too quick. > > I guess you want to say that recordmcount is not used at all and GCC > should do it. Because CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT is not set, > since FTRACE_MCOUNT_USE_CC should be set. > > What a maze. > > But isn't -mrecord-mcount x86_64-only option? No, it is (at least) also supported on s390. IIRC that was added with gcc9. Anyway, this is not too important since the fix makes sense anyway.
