From: john stultz <johnstul@us.ibm.com>
To: akpm@osdl.org
Cc: lkml <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
George Anzinger <george@mvista.com>,
Roman Zippel <zippel@linux-m68k.org>,
Ulrich Windl <ulrich.windl@rz.uni-regensburg.de>,
Thomas Gleixner <tglx@linutronix.de>,
johnstul@us.ibm.com, john stultz <johnstul@us.ibm.com>
Subject: [PATCH 0/11] Time: Generic Timeofday Subsystem (v B14-mm)
Date: Thu, 15 Dec 2005 18:07:00 -0700 [thread overview]
Message-ID: <20051216010700.19280.66934.sendpatchset@cog.beaverton.ibm.com> (raw)
Andrew, All,
So after a number of releases and empty threats of sending in
this code to Andrew, there has still been mostly silence regarding any
objections to these patches. Thus I figure its time to stir the pot and
really submit these patches for inclusion to -mm (and maybe, just maybe,
catch Andrew before he leaves for vacation :)
This patchset provides a generic timekeeping subsystem that is
independent of the timer interrupt. This allows for robust and correct
behavior in cases of late or lost ticks, avoids interpolation errors,
reduces duplication in arch specific code, and allows or assists future
changes such as high-res timers, dynamic ticks, or realtime preemption.
Additionally, it provides finer nanosecond resolution values to the
clock_gettime functions.
The patch set provides the minimal NTP changes, the clocksource
abstraction, the core timekeeping code as well as the code to convert
i386. I have started on converting more arches, but for now I'm only
submmiting code for i386.
The following patchset applies against the current 2.6.15-rc5-git + the
hrtimer patch-set already in -mm and applies against 2.6.15-rc5-mm3 with
only minor collisions in Makefiles.
The complete patchset (sent yesterdray including code for x86-64) can
be found here:
http://sr71.net/~jstultz/tod/
I'd like to thank the following people who have contributed ideas,
criticism, testing and code that has helped shape this work:
George Anzinger, Nish Aravamudan, Max Asbock, Serge Belyshev,
Dominik Brodowski, Thomas Gleixner, Darren Hart, Christoph Lameter,
Matt Mackal, Keith Mannthey, Ingo Molnar, Martin Schwidefsky, Frank
Sorenson, Ulrich Windl, Jonathan Woithe, Darrick Wong, Roman Zippel
and any others whom I've accidentally left off this list.
Andrew, please consider for inclusion into your tree.
thanks
-john
next reply other threads:[~2005-12-16 1:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-16 1:07 john stultz [this message]
2005-12-16 1:07 ` [PATCH 1/11] Time: Reduced NTP rework (part 1) john stultz
2005-12-16 1:07 ` [PATCH 2/11] Time: Reduced NTP Rework (part 2) john stultz
2005-12-16 1:07 ` [PATCH 3/11] Time: Clocksource Infrastructure john stultz
2005-12-16 1:07 ` [PATCH 4/11] Time: Generic Timekeeping Infrastructure john stultz
2005-12-16 1:07 ` [PATCH 5/11] Time: i386 Conversion - part 1: Move timer_pit.c to i8253.c john stultz
2005-12-16 1:07 ` [PATCH 6/11] Time: i386 Conversion - part 2: Move timer_tsc.c to tsc.c john stultz
2005-12-16 1:07 ` [PATCH 7/11] Time: i386 Conversion - part 3: Rework TSC Support john stultz
2005-12-16 1:08 ` [PATCH 8/11] Time: i386 Conversion - part 4: ACPI PM variable renaming and config change john stultz
2006-01-04 0:35 ` Andrew Morton
2006-01-04 10:33 ` john stultz
2006-01-04 10:41 ` Andrew Morton
2005-12-16 1:08 ` [PATCH 9/11] Time: i386 Conversion - part 5: Enable Generic Timekeeping john stultz
2005-12-16 1:08 ` [PATCH 10/11] Time: i386 Conversion - part 6: Remove Old Code john stultz
2005-12-16 1:08 ` [PATCH 11/11] Time: i386 Clocksource Drivers john stultz
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