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| author | Ingo Molnar <mingo@kernel.org> | 2014-03-11 11:34:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-03-11 11:34:27 +0100 |
| commit | a02ed5e3e05ec5e8af21e645cccc77f3a6480aaf (patch) | |
| tree | 95a0df31b0c9b1e0357b8dd378e2eab637970df4 /kernel/trace | |
| parent | trace: Replace hardcoding of 19 with MAX_NICE (diff) | |
| parent | sched/clock: Prevent tracing recursion in sched_clock_cpu() (diff) | |
| download | linux-a02ed5e3e05ec5e8af21e645cccc77f3a6480aaf.tar.gz linux-a02ed5e3e05ec5e8af21e645cccc77f3a6480aaf.zip | |
Merge branch 'sched/urgent' into sched/core
Pick up fixes before queueing up new changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_events.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index e71ffd4eccb5..f3989ceb5cd5 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1777,6 +1777,16 @@ static void trace_module_add_events(struct module *mod) { struct ftrace_event_call **call, **start, **end; + if (!mod->num_trace_events) + return; + + /* Don't add infrastructure for mods without tracepoints */ + if (trace_module_has_bad_taint(mod)) { + pr_err("%s: module has bad taint, not creating trace events\n", + mod->name); + return; + } + start = mod->trace_events; end = mod->trace_events + mod->num_trace_events; |