On Mon, 28 Sep 2020 12:58:59 +0200 Peter Zijlstra <pet...@infradead.org> wrote:
> > -struct clock_read_data *sched_clock_read_begin(unsigned int *seq) > > +notrace struct clock_read_data *sched_clock_read_begin(unsigned int *seq) > > { > > *seq = raw_read_seqcount_latch(&cd.seq); > > return cd.read_data + (*seq & 1); > > At the very least sched_clock_read_retry() should also be marked such. > > But Steve, how come x86 works? Our sched_clock() doesn't have notrace on > at all. It's because of that magic in the Makefile that you love so much ;-) CFLAGS_REMOVE_tsc.o = -pg -- Steve