Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit

[PATCH V8 00/13] ptp: IEEE 1588 hardware clock support · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 01/13] time: Introduce timekeeping_inject_offset · John Stultz <richardcochran@gmail.com> · 2010-12-31
Re: [PATCH V8 01/13] time: Introduce timekeeping_inject_offset · Arnd Bergmann <arnd@arndb.de> · 2011-01-07
[PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Kuwahara,T. <hidden> · 2011-01-01
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Richard Cochran <richardcochran@gmail.com> · 2011-01-08
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Kuwahara,T. <hidden> · 2011-01-09
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Richard Cochran <richardcochran@gmail.com> · 2011-01-10
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Kuwahara,T. <hidden> · 2011-01-10
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · john stultz <hidden> · 2011-01-10
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Richard Cochran <richardcochran@gmail.com> · 2011-01-11
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Richard Cochran <richardcochran@gmail.com> · 2011-01-10
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · john stultz <hidden> · 2011-01-10
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Kuwahara,T. <hidden> · 2011-01-10
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · john stultz <hidden> · 2011-01-10
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Kuwahara,T. <hidden> · 2011-01-11
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · john stultz <hidden> · 2011-01-11
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · Kuwahara,T. <hidden> · 2011-01-12
Re: [PATCH V8 02/13] ntp: add ADJ_SETOFFSET mode bit · john stultz <hidden> · 2011-01-12
[PATCH V8 03/13] posix clocks: introduce a syscall for clock tuning. · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 04/13] posix_clocks: add clock_adjtime for arm · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 05/13] posix_clocks: add clock_adjtime for blackfin · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 06/13] posix_clocks: add clock_adjtime for powerpc · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 07/13] posix_clocks: add clock_adjtime for x86 · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Peter Zijlstra <peterz@infradead.org> · 2011-01-03
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Richard Cochran <richardcochran@gmail.com> · 2011-01-03
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Thomas Gleixner <hidden> · 2011-01-11
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Richard Cochran <richardcochran@gmail.com> · 2011-01-12
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Thomas Gleixner <hidden> · 2011-01-12
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Richard Cochran <richardcochran@gmail.com> · 2011-01-12
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Richard Cochran <richardcochran@gmail.com> · 2011-01-13
Re: [PATCH V8 08/13] posix clocks: cleanup the CLOCK_DISPTACH macro · Thomas Gleixner <hidden> · 2011-01-13
[PATCH V8 09/13] posix clocks: introduce dynamic clocks · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
Re: [PATCH V8 09/13] posix clocks: introduce dynamic clocks · Arnd Bergmann <arnd@arndb.de> · 2011-01-07
Re: [PATCH V8 09/13] posix clocks: introduce dynamic clocks · Richard Cochran <richardcochran@gmail.com> · 2011-01-07
[PATCH V8 10/13] ptp: Added a brand new class driver for ptp clocks. · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 11/13] ptp: Added a clock that uses the eTSEC found on the MPC85xx. · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 12/13] ptp: Added a clock driver for the IXP46x. · Richard Cochran <richardcochran@gmail.com> · 2010-12-31
[PATCH V8 13/13] ptp: Added a clock driver for the National Semiconductor PHYTER. · Richard Cochran <richardcochran@gmail.com> · 2010-12-31

From: Kuwahara,T. <hidden>
Date: 2011-01-09 21:08:09
Also in: lkml, netdev

On Sun, Jan 9, 2011 at 2:50 AM, Richard Cochran
[off-list ref] wrote:

we want to be able to jump the clock arbitrarily.

Another problem remains:  How do you deal with leap seconds?  I mean,
given that 1 minute is not always 60 seconds, then what time was it
XXXXX seconds ago?   Maybe some kind of lookup table is necessary, but
in such case, isn't it a better choice just to use the
clock_settime/settimeofday syscall?

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