[PATCH 0/8][GIT PULL] time: Cross-timestamp infrastructure for 4.6

From: John Stultz
Date: Wed Mar 02 2016 - 23:24:37 EST


Hey Thomas,
So here is Christopher's cross-timestamp infrastructure
patchset which I wanted to send along for 4.6. These apply against
tip/timers/core.

Let me know if you have any objections.

thanks
-john

Cc: Prarit Bhargava <prarit@xxxxxxxxxx>
Cc: Richard Cochran <richardcochran@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
Cc: kevin.b.stanton@xxxxxxxxx
Cc: kevin.j.clarke@xxxxxxxxx
Cc: hpa@xxxxxxxxx
Cc: jeffrey.t.kirsher@xxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx


The following changes since commit 232d26373d310a941ef2ab46e53ea62fe076ed13:

jiffies: Use CLOCKSOURCE_MASK instead of constant (2016-02-27 08:55:31 +0100)

are available in the git repository at:

https://git.linaro.org/people/john.stultz/linux.git fortglx/4.6/time

for you to fetch changes up to dbfa7fb88d3ab62268b36ee26b2987a01f72a6c9:

net: e1000e: Adds hardware supported cross timestamp on e1000e nic (2016-03-02 17:44:58 -0800)

----------------------------------------------------------------
Christopher S. Hall (8):
time: Add cycles to nanoseconds translation
time: Add timekeeping snapshot code capturing system time and counter
time: Remove duplicated code in ktime_get_raw_and_real()
time: Add driver cross timestamp interface for higher precision time
synchronization
time: Add history to cross timestamp interface supporting slower
devices
x86: tsc: Always Running Timer (ART) correlated clocksource
ptp: Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping
net: e1000e: Adds hardware supported cross timestamp on e1000e nic

Documentation/ptp/testptp.c | 6 +-
arch/x86/include/asm/cpufeature.h | 2 +-
arch/x86/include/asm/tsc.h | 2 +
arch/x86/kernel/tsc.c | 62 ++++++
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 +
drivers/ptp/ptp_chardev.c | 27 +++
include/linux/pps_kernel.h | 17 +-
include/linux/ptp_clock_kernel.h | 8 +
include/linux/timekeeper_internal.h | 2 +
include/linux/timekeeping.h | 58 ++++++
include/uapi/linux/ptp_clock.h | 13 +-
kernel/time/timekeeping.c | 286 +++++++++++++++++++++++++---
15 files changed, 546 insertions(+), 40 deletions(-)

--
1.9.1