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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: */

  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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