From: john stultz <johnstul@us.ibm.com>
To: akpm@osdl.org
Cc: john stultz <johnstul@us.ibm.com>,
linux-kernel@vger.kernel.org, johnstul@us.ibm.com
Subject: [-mm PATCH 3/11] Time: reduced ntp rework part 2 - fix adjtimeadj
Date: Mon, 20 Feb 2006 23:21:21 -0700 [thread overview]
Message-ID: <20060221062121.13304.14825.sendpatchset@cog.beaverton.ibm.com> (raw)
In-Reply-To: <20060221062102.13304.81613.sendpatchset@cog.beaverton.ibm.com>
Syncs up the time-reduced-ntp-rework-part2.patch with the adjtime_adjustment() changes.
kernel/timer.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
Index: mm-merge/kernel/timer.c
===================================================================
--- mm-merge.orig/kernel/timer.c
+++ mm-merge/kernel/timer.c
@@ -589,7 +589,6 @@ static long time_adj; /* tick adjust (
long time_reftime; /* time at last adjustment (s) */
long time_adjust;
long time_next_adjust;
-static long time_adjust_step; /* per tick time_adjust step */
static long total_sppm; /* shifted ppm sum of all adjustments */
static long offset_adj_ppm;
@@ -846,7 +845,7 @@ long ntp_get_ppm_adjustment(void)
void ntp_advance(unsigned long interval_ns)
{
static unsigned long interval_sum;
-
+ long time_adjust_step;
unsigned long flags;
write_seqlock_irqsave(&ntp_lock, flags);
@@ -854,9 +853,10 @@ void ntp_advance(unsigned long interval_
/* increment the interval sum: */
interval_sum += interval_ns;
+ time_adjust_step = adjtime_adjustment();
/* calculate the per tick singleshot adjtime adjustment step: */
while (interval_ns >= tick_nsec) {
- time_adjust -= adjtime_adjustment();
+ time_adjust -= time_adjust_step;
interval_ns -= tick_nsec;
}
/* usec/tick => ppm: */
next prev parent reply other threads:[~2006-02-21 6:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-21 6:21 [-mm PATCHSET 0/11] Sync -mm w/ B19 timekeeping patches john stultz
2006-02-21 6:21 ` [-mm PATCH 1/11] Time: reduced ntp rework part 1 - fix adjtimeadj john stultz
2006-02-21 6:21 ` [-mm PATCH 2/11] Time: reduced ntp rework part 2 (updated) john stultz
2006-02-21 6:21 ` john stultz [this message]
2006-02-21 6:21 ` [-mm PATCH 4/11] Time: clocksource infrastructure - remove nsec_t john stultz
2006-02-21 6:21 ` [-mm PATCH 5/11] Time: generic timekeeping " john stultz
2006-02-21 6:21 ` [-mm PATCH 6/11] Time: generic timekeeping infrastructure - fix ntp_synced john stultz
2006-02-21 6:21 ` [-mm PATCH 7/11] Time: generic timekeeping infrastructure - wall_offset helper cleanup john stultz
2006-02-21 6:21 ` [-mm PATCH 8/11] Time: i386 conversion part 3 - remove nsec_t john stultz
2006-02-21 6:21 ` [-mm PATCH 9/11] Time: i386 conversion part 3 - backout pmtmr changes john stultz
2006-02-21 6:22 ` [-mm PATCH 10/11] Time: i386 conversion part 4 - del timer_tsc.c john stultz
2006-02-21 6:22 ` [-mm PATCH 11/11]Time: i386 clocksource drivers - backout pmtmr changes john stultz
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