public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-18 22:14:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ntp: Remove unused tick_nsec

Browse source 
tick_nsec is only updated in the NTP core, but there are no users.

Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <jstultz@google.com>
Link: https://lore.kernel.org/all/20240911-devel-anna-maria-b4-timers-ptp-ntp-v1-1-2d52f4e13476@linutronix.de
This commit is contained in:
Thomas Gleixner 2024-09-11 15:17:37 +02:00
parent 9852d85ec9
commit a849a0273d
3 changed files with 2 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/x86/include/asm/timer.h
View file

@ -6,8 +6,6 @@
#include <linux/interrupt.h>
#include <linux/math64.h>
#define TICK_SIZE (tick_nsec / 1000)
unsigned long long native_sched_clock(void);
extern void recalibrate_cpu_khz(void);

1
include/linux/timex.h
View file

@ -145,7 +145,6 @@ unsigned long random_get_entropy_fallback(void);
* estimated error = NTP dispersion.
*/
extern unsigned long tick_usec; /* USER_HZ period (usec) */
extern unsigned long tick_nsec; /* SHIFTED_HZ period (nsec) */
/* Required to safely shift negative values */
#define shift_right(x, s) ({ \

8
kernel/time/ntp.c
View file

@ -33,9 +33,6 @@
/* USER_HZ period (usecs): */
unsigned long tick_usec = USER_TICK_USEC;
/* SHIFTED_HZ period (nsecs): */
unsigned long tick_nsec;
static u64 tick_length;
static u64 tick_length_base;
@ -253,8 +250,8 @@ static inline int ntp_synced(void)
*/
/*
* Update (tick_length, tick_length_base, tick_nsec), based
* on (tick_usec, ntp_tick_adj, time_freq):
* Update tick_length and tick_length_base, based on tick_usec, ntp_tick_adj and
* time_freq:
*/
static void ntp_update_frequency(void)
{
@ -267,7 +264,6 @@ static void ntp_update_frequency(void)
second_length += ntp_tick_adj;
second_length += time_freq;
tick_nsec = div_u64(second_length, HZ) >> NTP_SCALE_SHIFT;
new_base = div_u64(second_length, NTP_INTERVAL_FREQ);
/*