diff options
Diffstat (limited to 'kernel/events/core.c')
| -rw-r--r-- | kernel/events/core.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index cf78e892a4bb..3af8c6995506 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -14773,6 +14773,24 @@ int perf_allow_kernel(void) } EXPORT_SYMBOL_GPL(perf_allow_kernel); +int perf_allow_cpu(void) +{ + if (sysctl_perf_event_paranoid > 0 && !perfmon_capable()) + return -EACCES; + + return security_perf_event_open(PERF_SECURITY_CPU); +} +EXPORT_SYMBOL_GPL(perf_allow_cpu); + +int perf_allow_tracepoint(void) +{ + if (sysctl_perf_event_paranoid > -1 && !perfmon_capable()) + return -EPERM; + + return security_perf_event_open(PERF_SECURITY_TRACEPOINT); +} +EXPORT_SYMBOL_GPL(perf_allow_tracepoint); + /* * Inherit an event from parent task to child task. * |