On Thu, 10 Oct 2024 13:46:49 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > Hi all, > > After merging the ftrace tree, today's linux-next build (x86_64 > allmodconfig) failed like this: > > kernel/trace/trace_functions_graph.c: In function '__trace_graph_retaddr_entry': > kernel/trace/trace_functions_graph.c:151:14: error: implicit declaration of function 'call_filter_check_discard' [-Wimplicit-function-declaration] > 151 | if (!call_filter_check_discard(call, entry, buffer, event)) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > > Caused by commit > > 21e92806d39c ("function_graph: Support recording and printing the function return address") > > interacting with commit > > 49e4154f4b16 ("tracing: Remove TRACE_EVENT_FL_FILTERED logic") > > I have used the ftrace tree from next-20241009 for today. > Hmm, strange. This went through my tests that also does an allmodconfig build. I'll go investigate. Thanks for the report. -- Steve