timekeeping: Add debugging checks to warn if we see delays

[mirror_ubuntu-zesty-kernel.git] / kernel / time / jiffies.c

diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index a6a5bf53e86d25575f90518399407a4fb65a85ed..7e413902aa6a495b0b51f97b21edd0e35ae1950f 100644 (file)
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -71,6 +71,7 @@ static struct clocksource clocksource_jiffies = {
        .mask           = 0xffffffff, /*32bits*/
        .mult           = NSEC_PER_JIFFY << JIFFIES_SHIFT, /* details above */
        .shift          = JIFFIES_SHIFT,
+       .max_cycles     = 10,
 };
 
 __cacheline_aligned_in_smp DEFINE_SEQLOCK(jiffies_lock);