On Tuesday 10 November 2015 15:28:17 Steven Rostedt wrote: > Arnd Bergmann reported: > > In my ARM randconfig tests, I'm getting a build error for > newly added code in bpf_perf_event_read and bpf_perf_event_output > whenever CONFIG_PERF_EVENTS is disabled: > > kernel/trace/bpf_trace.c: In function 'bpf_perf_event_read': > kernel/trace/bpf_trace.c:203:11: error: 'struct perf_event' has no member > named 'oncpu' > if (event->oncpu != smp_processor_id() || > ^ > kernel/trace/bpf_trace.c:204:11: error: 'struct perf_event' has no member > named 'pmu' > event->pmu->count) > > This can happen when UPROBE_EVENT is enabled but KPROBE_EVENT > is disabled. I'm not sure if that is a configuration we care > about, otherwise we could prevent this case from occuring by > adding Kconfig dependencies. > > Looking at this further, it's really that UPROBE_EVENT enables PERF_EVENTS. > By just having BPF_EVENTS depend on PERF_EVENTS, then all is fine. > > Link: http://lkml.kernel.org/r/4525348.Aq9YoXkChv@wuerfel > Reported-by: Arnd Bergmann <[email protected]> > Signed-off-by: Steven Rostedt <[email protected]> >
Ok, sounds good. Acked-by: Arnd Bergmann <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
