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time: Add timerkeeper::tkr_raw

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Introduce tkr_raw and make use of it.

  base_raw -> tkr_raw.base
  clock->{mult,shift} -> tkr_raw.{mult.shift}

Kill timekeeping_get_ns_raw() in favour of
timekeeping_get_ns(&tkr_raw), this removes all mono_raw special
casing.

Duplicate the updates to tkr_mono.cycle_last into tkr_raw.cycle_last,
both need the same value.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20150319093400.422589590@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra
2015-03-19 09:28:44 +01:00
committed by Ingo Molnar
parent 876e78818d
commit 4a4ad80d32
2 changed files with 21 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/timekeeper_internal.h
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@@ -41,6 +41,7 @@ struct tk_read_base {
/**
* struct timekeeper - Structure holding internal timekeeping values.
* @tkr_mono: The readout base structure for CLOCK_MONOTONIC
* @tkr_raw: The readout base structure for CLOCK_MONOTONIC_RAW
* @xtime_sec: Current CLOCK_REALTIME time in seconds
* @ktime_sec: Current CLOCK_MONOTONIC time in seconds
* @wall_to_monotonic: CLOCK_REALTIME to CLOCK_MONOTONIC offset
@@ -48,7 +49,6 @@ struct tk_read_base {
* @offs_boot: Offset clock monotonic -> clock boottime
* @offs_tai: Offset clock monotonic -> clock tai
* @tai_offset: The current UTC to TAI offset in seconds
* @base_raw: Monotonic raw base time in ktime_t format
* @raw_time: Monotonic raw base time in timespec64 format
* @cycle_interval: Number of clock cycles in one NTP interval
* @xtime_interval: Number of clock shifted nano seconds in one NTP
@@ -77,6 +77,7 @@ struct tk_read_base {
*/
struct timekeeper {
struct tk_read_base tkr_mono;
struct tk_read_base tkr_raw;
u64 xtime_sec;
unsigned long ktime_sec;
struct timespec64 wall_to_monotonic;
@@ -84,7 +85,6 @@ struct timekeeper {
ktime_t offs_boot;
ktime_t offs_tai;
s32 tai_offset;
ktime_t base_raw;
struct timespec64 raw_time;
/* The following members are for timekeeping internal use */