diff options
| -rw-r--r-- | kernel/trace/trace_clock.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c index 2d4953f9356..05b176abfd3 100644 --- a/kernel/trace/trace_clock.c +++ b/kernel/trace/trace_clock.c @@ -27,12 +27,19 @@ */ u64 notrace trace_clock_local(void) { + unsigned long flags; + u64 clock; + /* * sched_clock() is an architecture implemented, fast, scalable, * lockless clock. It is not guaranteed to be coherent across * CPUs, nor across CPU idle events. */ - return sched_clock(); + raw_local_irq_save(flags); + clock = sched_clock(); + raw_local_irq_restore(flags); + + return clock; } /* |