diff options
Diffstat (limited to 'arch/s390/kernel/time.c')
| -rw-r--r-- | arch/s390/kernel/time.c | 13 |
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(); |