xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

clocksource: Get rid of cycle_last

Browse Source 
cycle_last was added to the clocksource to support the TSC
validation. We moved that to the core code, so we can get rid of the
extra copy.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Thomas Gleixner
2014-07-16 21:05:13 +00:00
committed by John Stultz
parent 09ec54429c
commit 4a0e637738
10 changed files with 24 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/timekeeper_internal.h
View File

@@ -29,6 +29,8 @@
struct timekeeper {
/* Current clocksource used for timekeeping. */
struct clocksource *clock;
/* Last cycle value */
cycle_t cycle_last;
/* NTP adjusted clock multiplier */
u32 mult;
/* The shift value of the current clocksource. */
@@ -62,8 +64,6 @@ struct timekeeper {
/* Number of clock cycles in one NTP interval. */
cycle_t cycle_interval;
/* Last cycle value (also stored in clock->cycle_last) */
cycle_t cycle_last;
/* Number of clock shifted nano seconds in one NTP interval. */
u64 xtime_interval;
/* shifted nano seconds left over when rounding cycle_interval */
@@ -91,7 +91,8 @@ extern void update_vsyscall_tz(void);
#elif defined(CONFIG_GENERIC_TIME_VSYSCALL_OLD)
extern void update_vsyscall_old(struct timespec *ts, struct timespec *wtm,
struct clocksource *c, u32 mult);
struct clocksource *c, u32 mult,
cycles_t cycle_last);
extern void update_vsyscall_tz(void);
#else