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-rw-r--r--arch/s390/kernel/time.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index fa02f443f5f6..14da278febbf 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -113,11 +113,14 @@ static void fixup_clock_comparator(unsigned long long delta)
113static int s390_next_ktime(ktime_t expires, 113static int s390_next_ktime(ktime_t expires,
114 struct clock_event_device *evt) 114 struct clock_event_device *evt)
115{ 115{
116 struct timespec ts;
116 u64 nsecs; 117 u64 nsecs;
117 118
118 nsecs = ktime_to_ns(ktime_sub(expires, ktime_get_monotonic_offset())); 119 ts.tv_sec = ts.tv_nsec = 0;
120 monotonic_to_bootbased(&ts);
121 nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires));
119 do_div(nsecs, 125); 122 do_div(nsecs, 125);
120 S390_lowcore.clock_comparator = TOD_UNIX_EPOCH + (nsecs << 9); 123 S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9);
121 set_clock_comparator(S390_lowcore.clock_comparator); 124 set_clock_comparator(S390_lowcore.clock_comparator);
122 return 0; 125 return 0;
123} 126}