From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: John Stultz <john.stultz@linaro.org>,
lkml <linux-kernel@vger.kernel.org>
Cc: "Christopher S. Hall" <christopher.s.hall@intel.com>,
Prarit Bhargava <prarit@redhat.com>,
Richard Cochran <richardcochran@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>,
Andy Lutomirski <luto@amacapital.net>,
kevin.b.stanton@intel.com, kevin.j.clarke@intel.com,
hpa@zytor.com, netdev@vger.kernel.org
Subject: Re: [PATCH 8/8] net: e1000e: Adds hardware supported cross timestamp on e1000e nic
Date: Thu, 03 Mar 2016 14:27:03 -0800 [thread overview]
Message-ID: <1457044023.2936.2.camel@intel.com> (raw)
In-Reply-To: <1456978919-30076-9-git-send-email-john.stultz@linaro.org>
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On Wed, 2016-03-02 at 20:21 -0800, John Stultz wrote:
> From: "Christopher S. Hall" <christopher.s.hall@intel.com>
>
> Modern Intel systems supports cross timestamping of the network
> device
> clock and Always Running Timer (ART) in hardware. This allows the
> device time and system time to be precisely correlated. The timestamp
> pair is returned through e1000e_phc_get_syncdevicetime() used by
> get_system_device_crosststamp(). The hardware cross-timestamp result
> is made available to applications through the PTP_SYS_OFFSET_PRECISE
> ioctl which calls e1000e_phc_getcrosststamp().
>
> Cc: Prarit Bhargava <prarit@redhat.com>
> Cc: Richard Cochran <richardcochran@gmail.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Andy Lutomirski <luto@amacapital.net>
> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
> Cc: kevin.b.stanton@intel.com
> Cc: kevin.j.clarke@intel.com
> Cc: hpa@zytor.com
> Cc: jeffrey.t.kirsher@intel.com
> Cc: netdev@vger.kernel.org
> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
> Signed-off-by: Christopher S. Hall <christopher.s.hall@intel.com>
> [jstultz: Reworked to use new interface, commit message tweaks]
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> ---
> drivers/net/ethernet/intel/Kconfig | 9 +++
> drivers/net/ethernet/intel/e1000e/defines.h | 5 ++
> drivers/net/ethernet/intel/e1000e/ptp.c | 85
> +++++++++++++++++++++++++++++
> drivers/net/ethernet/intel/e1000e/regs.h | 4 ++
> 4 files changed, 103 insertions(+)
Since you are making changes to patch 6's title, then you should fix
this patch title as well, it should be:
[PATCH 8/8] e1000e: Adds hardware supported...
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next prev parent reply other threads:[~2016-03-03 22:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 4:21 [PATCH 0/8][GIT PULL] time: Cross-timestamp infrastructure for 4.6 John Stultz
2016-03-03 4:21 ` [PATCH 1/8] time: Add cycles to nanoseconds translation John Stultz
2016-03-03 4:21 ` [PATCH 2/8] time: Add timekeeping snapshot code capturing system time and counter John Stultz
2016-03-03 4:21 ` [PATCH 3/8] time: Remove duplicated code in ktime_get_raw_and_real() John Stultz
2016-03-03 4:21 ` [PATCH 4/8] time: Add driver cross timestamp interface for higher precision time synchronization John Stultz
2016-03-03 4:21 ` [PATCH 5/8] time: Add history to cross timestamp interface supporting slower devices John Stultz
2016-03-03 4:21 ` [PATCH 6/8] x86: tsc: Always Running Timer (ART) correlated clocksource John Stultz
2016-03-03 10:21 ` Thomas Gleixner
2016-03-03 22:24 ` John Stultz
2016-03-03 4:21 ` [PATCH 7/8] ptp: Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping John Stultz
2016-03-03 4:21 ` [PATCH 8/8] net: e1000e: Adds hardware supported cross timestamp on e1000e nic John Stultz
2016-03-03 22:27 ` Jeff Kirsher [this message]
2016-03-03 22:29 ` John Stultz
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