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Re: [PATCH v6 8/9] Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping

From Richard Cochran <richardcochran@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v6 8/9] Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping
Date 2016-01-13 22:40 +0100
Message-ID <qQBj5-5yt-41@gated-at.bofh.it> (permalink)
References <qQz7A-44Y-5@gated-at.bofh.it> <qQz7B-44Y-37@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Jan 13, 2016 at 04:12:28AM -0800, Christopher S. Hall wrote:
> Currently, network /system cross-timestamping is performed in the
> PTP_SYS_OFFSET ioctl. The PTP clock driver reads gettimeofday() and
> the gettime64() callback provided by the driver. The cross-timestamp
> is best effort where the latency between the capture of system time
> (getnstimeofday()) and the device time (driver callback) may be
> significant.

Looks good to me.

Acked-by: Richard Cochran <richardcochran@gmail.com>

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[PATCH v6 8/9] Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping "Christopher S. Hall" <christopher.s.hall@intel.com> - 2016-01-13 20:20 +0100
  Re: [PATCH v6 8/9] Add PTP_SYS_OFFSET_PRECISE for driver  crosstimestamping Richard Cochran <richardcochran@gmail.com> - 2016-01-13 22:40 +0100

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