Re: [PATCH NET-NEXT 11/12] time sync: generic infrastructure to map between time stamps generated by a time counter and system time

[Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>]

* Patrick Ohly <patrick.ohly-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> wrote:

> Currently only mapping from time counter to system time is implemented.
> The interface could have been made more versatile by not depending on a time counter,
> but this wasn't done to avoid writing glue code elsewhere.
> 
> The method implemented here is the one used and analyzed under the name
> "assisted PTP" in the LCI PTP paper:
> http://www.linuxclustersinstitute.org/conferences/archive/2008/PDF/Ohly_92221.pdf
> ---
>  include/linux/clocksync.h |   85 +++++++++++++++++++
>  kernel/time/Makefile      |    2 +-
>  kernel/time/clocksync.c   |  196 +++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 282 insertions(+), 1 deletions(-)
>  create mode 100644 include/linux/clocksync.h
>  create mode 100644 kernel/time/clocksync.c

hm, these bits have less than casual impact - i think they need to go via 
the timer tree.

	Ingo
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