On Fri, 10 Dec 2021 16:51:35 +0100 Heiko Carstens <hca@xxxxxxxxxxxxx> wrote: > 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. Thanks everyone for fixing this. Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> -- Steve