From: John Stultz <johnstul@us.ibm.com>
To: lkml <linux-kernel@vger.kernel.org>
Cc: John Stultz <johnstul@us.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH] s390: Cleanup xtime usage in s390 code
Date: Thu, 4 Mar 2010 18:36:35 -0800 [thread overview]
Message-ID: <1267756595-30385-1-git-send-email-johnstul@us.ibm.com> (raw)
This replaces direct xtime usage in the s390 arch with timekeeping accessors,
so we can further clean up the timekeeping core.
Uncompiled and untested.
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
---
arch/s390/kernel/time.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index a8f93f1..8b22e7f 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -73,15 +73,15 @@ unsigned long long monotonic_clock(void)
}
EXPORT_SYMBOL(monotonic_clock);
-void tod_to_timeval(__u64 todval, struct timespec *xtime)
+void tod_to_timeval(__u64 todval, struct timespec *xt)
{
unsigned long long sec;
sec = todval >> 12;
do_div(sec, 1000000);
- xtime->tv_sec = sec;
+ xt->tv_sec = sec;
todval -= (sec * 1000000) << 12;
- xtime->tv_nsec = ((todval * 1000) >> 12);
+ xt->tv_nsec = ((todval * 1000) >> 12);
}
EXPORT_SYMBOL(tod_to_timeval);
@@ -216,8 +216,8 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
++vdso_data->tb_update_count;
smp_wmb();
vdso_data->xtime_tod_stamp = clock->cycle_last;
- vdso_data->xtime_clock_sec = xtime.tv_sec;
- vdso_data->xtime_clock_nsec = xtime.tv_nsec;
+ vdso_data->xtime_clock_sec = wall_time->tv_sec;
+ vdso_data->xtime_clock_nsec = wall_time->tv_nsec;
vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
smp_wmb();
--
1.6.0.4
next reply other threads:[~2010-03-05 2:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-05 2:36 John Stultz [this message]
2010-03-05 9:17 ` Martin Schwidefsky
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