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Subject[tip:timers/clocksource] powerpc: Cleanup xtime usage
Commit-ID:  06d518e3dfb25334282c7e38b4d7a4eada215f6d
Gitweb: http://git.kernel.org/tip/06d518e3dfb25334282c7e38b4d7a4eada215f6d
Author: John Stultz <johnstul@us.ibm.com>
AuthorDate: Tue, 13 Jul 2010 17:56:22 -0700
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 27 Jul 2010 12:40:54 +0200

powerpc: Cleanup xtime usage

This removes powerpc's direct xtime usage, allowing for further
generic timeekeping cleanups

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
LKML-Reference: <1279068988-21864-6-git-send-email-johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/powerpc/kernel/time.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 6fcd648..0711d60 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -864,9 +864,9 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
/* XXX this assumes clock->shift == 22 */
/* 4611686018 ~= 2^(20+64-22) / 1e9 */
new_tb_to_xs = (u64) mult * 4611686018ULL;
- new_stamp_xsec = (u64) xtime.tv_nsec * XSEC_PER_SEC;
+ new_stamp_xsec = (u64) wall_time->tv_nsec * XSEC_PER_SEC;
do_div(new_stamp_xsec, 1000000000);
- new_stamp_xsec += (u64) xtime.tv_sec * XSEC_PER_SEC;
+ new_stamp_xsec += (u64) wall_time->tv_sec * XSEC_PER_SEC;

/*
* tb_update_count is used to allow the userspace gettimeofday code
@@ -884,7 +884,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
vdso_data->tb_to_xs = new_tb_to_xs;
vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
- vdso_data->stamp_xtime = xtime;
+ vdso_data->stamp_xtime = *wall_time;
smp_wmb();
++(vdso_data->tb_update_count);
}
@@ -1093,7 +1093,7 @@ void __init time_init(void)
vdso_data->tb_orig_stamp = tb_last_jiffy;
vdso_data->tb_update_count = 0;
vdso_data->tb_ticks_per_sec = tb_ticks_per_sec;
- vdso_data->stamp_xsec = (u64) xtime.tv_sec * XSEC_PER_SEC;
+ vdso_data->stamp_xsec = (u64) get_seconds() * XSEC_PER_SEC;
vdso_data->tb_to_xs = tb_to_xs;

write_sequnlock_irqrestore(&xtime_lock, flags);

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