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-rw-r--r--kernel/perf_event.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index cb6c0d2af68f..f818d9d2dc93 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -31,6 +31,7 @@
31#include <linux/kernel_stat.h> 31#include <linux/kernel_stat.h>
32#include <linux/perf_event.h> 32#include <linux/perf_event.h>
33#include <linux/ftrace_event.h> 33#include <linux/ftrace_event.h>
34#include <linux/hw_breakpoint.h>
34 35
35#include <asm/irq_regs.h> 36#include <asm/irq_regs.h>
36 37
@@ -6321,6 +6322,8 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
6321 6322
6322void __init perf_event_init(void) 6323void __init perf_event_init(void)
6323{ 6324{
6325 int ret;
6326
6324 perf_event_init_all_cpus(); 6327 perf_event_init_all_cpus();
6325 init_srcu_struct(&pmus_srcu); 6328 init_srcu_struct(&pmus_srcu);
6326 perf_pmu_register(&perf_swevent); 6329 perf_pmu_register(&perf_swevent);
@@ -6328,4 +6331,7 @@ void __init perf_event_init(void)
6328 perf_pmu_register(&perf_task_clock); 6331 perf_pmu_register(&perf_task_clock);
6329 perf_tp_register(); 6332 perf_tp_register();
6330 perf_cpu_notifier(perf_cpu_notify); 6333 perf_cpu_notifier(perf_cpu_notify);
6334
6335 ret = init_hw_breakpoint();
6336 WARN(ret, "hw_breakpoint initialization failed with: %d", ret);
6331} 6337}