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-rw-r--r--arch/s390/kernel/time.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 4cef607f3711..69e980de0f62 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -232,6 +232,19 @@ void update_vsyscall(struct timekeeper *tk)
vdso_data->wtom_clock_nsec -= nsecps;
vdso_data->wtom_clock_sec++;
}
+
+ vdso_data->xtime_coarse_sec = tk->xtime_sec;
+ vdso_data->xtime_coarse_nsec =
+ (long)(tk->tkr.xtime_nsec >> tk->tkr.shift);
+ vdso_data->wtom_coarse_sec =
+ vdso_data->xtime_coarse_sec + tk->wall_to_monotonic.tv_sec;
+ vdso_data->wtom_coarse_nsec =
+ vdso_data->xtime_coarse_nsec + tk->wall_to_monotonic.tv_nsec;
+ while (vdso_data->wtom_coarse_nsec >= NSEC_PER_SEC) {
+ vdso_data->wtom_coarse_nsec -= NSEC_PER_SEC;
+ vdso_data->wtom_coarse_sec++;
+ }
+
vdso_data->tk_mult = tk->tkr.mult;
vdso_data->tk_shift = tk->tkr.shift;
smp_wmb();