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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
[S390] Cleanup xtime usage
This replaces direct xtime usage in the s390 arch with timekeeping accessors,
so we can further clean up the timekeeping core.
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
authored by John Stultz and committed by Martin Schwidefsky b1e2ba8d bd6e8a16
+5
-5
arch/s390/kernel/time.c
+5
-5
arch/s390/kernel/time.c
···
73
}
74
EXPORT_SYMBOL(monotonic_clock);
75
76
-
void tod_to_timeval(__u64 todval, struct timespec *xtime)
77
{
78
unsigned long long sec;
79
80
sec = todval >> 12;
81
do_div(sec, 1000000);
82
-
xtime->tv_sec = sec;
83
todval -= (sec * 1000000) << 12;
84
-
xtime->tv_nsec = ((todval * 1000) >> 12);
85
}
86
EXPORT_SYMBOL(tod_to_timeval);
87
···
216
++vdso_data->tb_update_count;
217
smp_wmb();
218
vdso_data->xtime_tod_stamp = clock->cycle_last;
219
-
vdso_data->xtime_clock_sec = xtime.tv_sec;
220
-
vdso_data->xtime_clock_nsec = xtime.tv_nsec;
221
vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
222
vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
223
smp_wmb();
···
73
}
74
EXPORT_SYMBOL(monotonic_clock);
75
76
+
void tod_to_timeval(__u64 todval, struct timespec *xt)
77
{
78
unsigned long long sec;
79
80
sec = todval >> 12;
81
do_div(sec, 1000000);
82
+
xt->tv_sec = sec;
83
todval -= (sec * 1000000) << 12;
84
+
xt->tv_nsec = ((todval * 1000) >> 12);
85
}
86
EXPORT_SYMBOL(tod_to_timeval);
87
···
216
++vdso_data->tb_update_count;
217
smp_wmb();
218
vdso_data->xtime_tod_stamp = clock->cycle_last;
219
+
vdso_data->xtime_clock_sec = wall_time->tv_sec;
220
+
vdso_data->xtime_clock_nsec = wall_time->tv_nsec;
221
vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
222
vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
223
smp_wmb();