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-rw-r--r--include/net/busy_poll.h19
1 files changed, 1 insertions, 18 deletions
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 829627d7b846..1d67fb6b23a0 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -42,27 +42,10 @@ static inline bool net_busy_loop_on(void)
return sysctl_net_busy_poll;
}
-/* a wrapper to make debug_smp_processor_id() happy
- * we can use sched_clock() because we don't care much about precision
- * we only care that the average is bounded
- */
-#ifdef CONFIG_DEBUG_PREEMPT
-static inline u64 busy_loop_us_clock(void)
-{
- u64 rc;
-
- preempt_disable_notrace();
- rc = sched_clock();
- preempt_enable_no_resched_notrace();
-
- return rc >> 10;
-}
-#else /* CONFIG_DEBUG_PREEMPT */
static inline u64 busy_loop_us_clock(void)
{
- return sched_clock() >> 10;
+ return local_clock() >> 10;
}
-#endif /* CONFIG_DEBUG_PREEMPT */
static inline unsigned long sk_busy_loop_end_time(struct sock *sk)
{