FROMLIST: security,perf: Allow further restriction of perf_event_open

[firefly-linux-kernel-4.4.55.git] / include / linux / perf_event.h

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index f9828a48f16addab4737683f3c8345ab87e52a0a..aa7294092e51c129a714a27d09978a57fab7117b 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -989,6 +989,11 @@ extern int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
                loff_t *ppos);
 
 
+static inline bool perf_paranoid_any(void)
+{
+       return sysctl_perf_event_paranoid > 2;
+}
+
 static inline bool perf_paranoid_tracepoint_raw(void)
 {
        return sysctl_perf_event_paranoid > -1;