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-rw-r--r--kernel/time/timekeeping.c150
1 files changed, 75 insertions, 75 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 892f6cb..1405091 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -68,8 +68,8 @@ bool __read_mostly persistent_clock_exist = false;
static inline void tk_normalize_xtime(struct timekeeper *tk)
{
- while (tk->tkr.xtime_nsec >= ((u64)NSEC_PER_SEC << tk->tkr.shift)) {
- tk->tkr.xtime_nsec -= (u64)NSEC_PER_SEC << tk->tkr.shift;
+ while (tk->tkr_mono.xtime_nsec >= ((u64)NSEC_PER_SEC << tk->tkr_mono.shift)) {
+ tk->tkr_mono.xtime_nsec -= (u64)NSEC_PER_SEC << tk->tkr_mono.shift;
tk->xtime_sec++;
}
}
@@ -79,20 +79,20 @@ static inline struct timespec64 tk_xtime(struct timekeeper *tk)
struct timespec64 ts;
ts.tv_sec = tk->xtime_sec;
- ts.tv_nsec = (long)(tk->tkr.xtime_nsec >> tk->tkr.shift);
+ ts.tv_nsec = (long)(tk->tkr_mono.xtime_nsec >> tk->tkr_mono.shift);
return ts;
}
static void tk_set_xtime(struct timekeeper *tk, const struct timespec64 *ts)
{
tk->xtime_sec = ts->tv_sec;
- tk->tkr.xtime_nsec = (u64)ts->tv_nsec << tk->tkr.shift;
+ tk->tkr_mono.xtime_nsec = (u64)ts->tv_nsec << tk->tkr_mono.shift;
}
static void tk_xtime_add(struct timekeeper *tk, const struct timespec64 *ts)
{
tk->xtime_sec += ts->tv_sec;
- tk->tkr.xtime_nsec += (u64)ts->tv_nsec << tk->tkr.shift;
+ tk->tkr_mono.xtime_nsec += (u64)ts->tv_nsec << tk->tkr_mono.shift;
tk_normalize_xtime(tk);
}
@@ -136,8 +136,8 @@ static long timekeeping_last_warning;
static void timekeeping_check_update(struct timekeeper *tk, cycle_t offset)
{
- cycle_t max_cycles = tk->tkr.clock->max_cycles;
- const char *name = tk->tkr.clock->name;
+ cycle_t max_cycles = tk->tkr_mono.clock->max_cycles;
+ const char *name = tk->tkr_mono.clock->name;
if (offset > max_cycles) {
printk_deferred("WARNING: timekeeping: Cycle offset (%lld) is larger than allowed by the '%s' clock's max_cycles value (%lld): time overflow danger\n",
@@ -246,11 +246,11 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock)
u64 tmp, ntpinterval;
struct clocksource *old_clock;
- old_clock = tk->tkr.clock;
- tk->tkr.clock = clock;
- tk->tkr.read = clock->read;
- tk->tkr.mask = clock->mask;
- tk->tkr.cycle_last = tk->tkr.read(clock);
+ old_clock = tk->tkr_mono.clock;
+ tk->tkr_mono.clock = clock;
+ tk->tkr_mono.read = clock->read;
+ tk->tkr_mono.mask = clock->mask;
+ tk->tkr_mono.cycle_last = tk->tkr_mono.read(clock);
/* Do the ns -> cycle conversion first, using original mult */
tmp = NTP_INTERVAL_LENGTH;
@@ -274,11 +274,11 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock)
if (old_clock) {
int shift_change = clock->shift - old_clock->shift;
if (shift_change < 0)
- tk->tkr.xtime_nsec >>= -shift_change;
+ tk->tkr_mono.xtime_nsec >>= -shift_change;
else
- tk->tkr.xtime_nsec <<= shift_change;
+ tk->tkr_mono.xtime_nsec <<= shift_change;
}
- tk->tkr.shift = clock->shift;
+ tk->tkr_mono.shift = clock->shift;
tk->ntp_error = 0;
tk->ntp_error_shift = NTP_SCALE_SHIFT - clock->shift;
@@ -289,7 +289,7 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock)
* active clocksource. These value will be adjusted via NTP
* to counteract clock drifting.
*/
- tk->tkr.mult = clock->mult;
+ tk->tkr_mono.mult = clock->mult;
tk->ntp_err_mult = 0;
}
@@ -318,11 +318,11 @@ static inline s64 timekeeping_get_ns(struct tk_read_base *tkr)
static inline s64 timekeeping_get_ns_raw(struct timekeeper *tk)
{
- struct clocksource *clock = tk->tkr.clock;
+ struct clocksource *clock = tk->tkr_mono.clock;
cycle_t delta;
s64 nsec;
- delta = timekeeping_get_delta(&tk->tkr);
+ delta = timekeeping_get_delta(&tk->tkr_mono);
/* convert delta to nanoseconds. */
nsec = clocksource_cyc2ns(delta, clock->mult, clock->shift);
@@ -428,7 +428,7 @@ u64 notrace ktime_get_mono_fast_ns(void)
do {
seq = raw_read_seqcount(&tk_fast_mono.seq);
tkr = tk_fast_mono.base + (seq & 0x01);
- now = ktime_to_ns(tkr->base_mono) + timekeeping_get_ns(tkr);
+ now = ktime_to_ns(tkr->base) + timekeeping_get_ns(tkr);
} while (read_seqcount_retry(&tk_fast_mono.seq, seq));
return now;
@@ -456,7 +456,7 @@ static cycle_t dummy_clock_read(struct clocksource *cs)
static void halt_fast_timekeeper(struct timekeeper *tk)
{
static struct tk_read_base tkr_dummy;
- struct tk_read_base *tkr = &tk->tkr;
+ struct tk_read_base *tkr = &tk->tkr_mono;
memcpy(&tkr_dummy, tkr, sizeof(tkr_dummy));
cycles_at_suspend = tkr->read(tkr->clock);
@@ -472,8 +472,8 @@ static inline void update_vsyscall(struct timekeeper *tk)
xt = timespec64_to_timespec(tk_xtime(tk));
wm = timespec64_to_timespec(tk->wall_to_monotonic);
- update_vsyscall_old(&xt, &wm, tk->tkr.clock, tk->tkr.mult,
- tk->tkr.cycle_last);
+ update_vsyscall_old(&xt, &wm, tk->tkr_mono.clock, tk->tkr_mono.mult,
+ tk->tkr_mono.cycle_last);
}
static inline void old_vsyscall_fixup(struct timekeeper *tk)
@@ -490,11 +490,11 @@ static inline void old_vsyscall_fixup(struct timekeeper *tk)
* (shifted nanoseconds), and CONFIG_GENERIC_TIME_VSYSCALL_OLD
* users are removed, this can be killed.
*/
- remainder = tk->tkr.xtime_nsec & ((1ULL << tk->tkr.shift) - 1);
- tk->tkr.xtime_nsec -= remainder;
- tk->tkr.xtime_nsec += 1ULL << tk->tkr.shift;
+ remainder = tk->tkr_mono.xtime_nsec & ((1ULL << tk->tkr_mono.shift) - 1);
+ tk->tkr_mono.xtime_nsec -= remainder;
+ tk->tkr_mono.xtime_nsec += 1ULL << tk->tkr_mono.shift;
tk->ntp_error += remainder << tk->ntp_error_shift;
- tk->ntp_error -= (1ULL << tk->tkr.shift) << tk->ntp_error_shift;
+ tk->ntp_error -= (1ULL << tk->tkr_mono.shift) << tk->ntp_error_shift;
}
#else
#define old_vsyscall_fixup(tk)
@@ -559,7 +559,7 @@ static inline void tk_update_ktime_data(struct timekeeper *tk)
*/
seconds = (u64)(tk->xtime_sec + tk->wall_to_monotonic.tv_sec);
nsec = (u32) tk->wall_to_monotonic.tv_nsec;
- tk->tkr.base_mono = ns_to_ktime(seconds * NSEC_PER_SEC + nsec);
+ tk->tkr_mono.base = ns_to_ktime(seconds * NSEC_PER_SEC + nsec);
/* Update the monotonic raw base */
tk->base_raw = timespec64_to_ktime(tk->raw_time);
@@ -569,7 +569,7 @@ static inline void tk_update_ktime_data(struct timekeeper *tk)
* wall_to_monotonic can be greater/equal one second. Take
* this into account before updating tk->ktime_sec.
*/
- nsec += (u32)(tk->tkr.xtime_nsec >> tk->tkr.shift);
+ nsec += (u32)(tk->tkr_mono.xtime_nsec >> tk->tkr_mono.shift);
if (nsec >= NSEC_PER_SEC)
seconds++;
tk->ktime_sec = seconds;
@@ -592,7 +592,7 @@ static void timekeeping_update(struct timekeeper *tk, unsigned int action)
memcpy(&shadow_timekeeper, &tk_core.timekeeper,
sizeof(tk_core.timekeeper));
- update_fast_timekeeper(&tk->tkr);
+ update_fast_timekeeper(&tk->tkr_mono);
}
/**
@@ -604,18 +604,18 @@ static void timekeeping_update(struct timekeeper *tk, unsigned int action)
*/
static void timekeeping_forward_now(struct timekeeper *tk)
{
- struct clocksource *clock = tk->tkr.clock;
+ struct clocksource *clock = tk->tkr_mono.clock;
cycle_t cycle_now, delta;
s64 nsec;
- cycle_now = tk->tkr.read(clock);
- delta = clocksource_delta(cycle_now, tk->tkr.cycle_last, tk->tkr.mask);
- tk->tkr.cycle_last = cycle_now;
+ cycle_now = tk->tkr_mono.read(clock);
+ delta = clocksource_delta(cycle_now, tk->tkr_mono.cycle_last, tk->tkr_mono.mask);
+ tk->tkr_mono.cycle_last = cycle_now;
- tk->tkr.xtime_nsec += delta * tk->tkr.mult;
+ tk->tkr_mono.xtime_nsec += delta * tk->tkr_mono.mult;
/* If arch requires, add in get_arch_timeoffset() */
- tk->tkr.xtime_nsec += (u64)arch_gettimeoffset() << tk->tkr.shift;
+ tk->tkr_mono.xtime_nsec += (u64)arch_gettimeoffset() << tk->tkr_mono.shift;
tk_normalize_xtime(tk);
@@ -640,7 +640,7 @@ int __getnstimeofday64(struct timespec64 *ts)
seq = read_seqcount_begin(&tk_core.seq);
ts->tv_sec = tk->xtime_sec;
- nsecs = timekeeping_get_ns(&tk->tkr);
+ nsecs = timekeeping_get_ns(&tk->tkr_mono);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -680,8 +680,8 @@ ktime_t ktime_get(void)
do {
seq = read_seqcount_begin(&tk_core.seq);
- base = tk->tkr.base_mono;
- nsecs = timekeeping_get_ns(&tk->tkr);
+ base = tk->tkr_mono.base;
+ nsecs = timekeeping_get_ns(&tk->tkr_mono);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -706,8 +706,8 @@ ktime_t ktime_get_with_offset(enum tk_offsets offs)
do {
seq = read_seqcount_begin(&tk_core.seq);
- base = ktime_add(tk->tkr.base_mono, *offset);
- nsecs = timekeeping_get_ns(&tk->tkr);
+ base = ktime_add(tk->tkr_mono.base, *offset);
+ nsecs = timekeeping_get_ns(&tk->tkr_mono);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -777,7 +777,7 @@ void ktime_get_ts64(struct timespec64 *ts)
do {
seq = read_seqcount_begin(&tk_core.seq);
ts->tv_sec = tk->xtime_sec;
- nsec = timekeeping_get_ns(&tk->tkr);
+ nsec = timekeeping_get_ns(&tk->tkr_mono);
tomono = tk->wall_to_monotonic;
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -863,7 +863,7 @@ void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real)
ts_real->tv_nsec = 0;
nsecs_raw = timekeeping_get_ns_raw(tk);
- nsecs_real = timekeeping_get_ns(&tk->tkr);
+ nsecs_real = timekeeping_get_ns(&tk->tkr_mono);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -1046,7 +1046,7 @@ static int change_clocksource(void *data)
*/
if (try_module_get(new->owner)) {
if (!new->enable || new->enable(new) == 0) {
- old = tk->tkr.clock;
+ old = tk->tkr_mono.clock;
tk_setup_internals(tk, new);
if (old->disable)
old->disable(old);
@@ -1074,11 +1074,11 @@ int timekeeping_notify(struct clocksource *clock)
{
struct timekeeper *tk = &tk_core.timekeeper;
- if (tk->tkr.clock == clock)
+ if (tk->tkr_mono.clock == clock)
return 0;
stop_machine(change_clocksource, clock, NULL);
tick_clock_notify();
- return tk->tkr.clock == clock ? 0 : -1;
+ return tk->tkr_mono.clock == clock ? 0 : -1;
}
/**
@@ -1119,7 +1119,7 @@ int timekeeping_valid_for_hres(void)
do {
seq = read_seqcount_begin(&tk_core.seq);
- ret = tk->tkr.clock->flags & CLOCK_SOURCE_VALID_FOR_HRES;
+ ret = tk->tkr_mono.clock->flags & CLOCK_SOURCE_VALID_FOR_HRES;
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -1138,7 +1138,7 @@ u64 timekeeping_max_deferment(void)
do {
seq = read_seqcount_begin(&tk_core.seq);
- ret = tk->tkr.clock->max_idle_ns;
+ ret = tk->tkr_mono.clock->max_idle_ns;
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -1303,7 +1303,7 @@ void timekeeping_inject_sleeptime64(struct timespec64 *delta)
void timekeeping_resume(void)
{
struct timekeeper *tk = &tk_core.timekeeper;
- struct clocksource *clock = tk->tkr.clock;
+ struct clocksource *clock = tk->tkr_mono.clock;
unsigned long flags;
struct timespec64 ts_new, ts_delta;
struct timespec tmp;
@@ -1331,16 +1331,16 @@ void timekeeping_resume(void)
* The less preferred source will only be tried if there is no better
* usable source. The rtc part is handled separately in rtc core code.
*/
- cycle_now = tk->tkr.read(clock);
+ cycle_now = tk->tkr_mono.read(clock);
if ((clock->flags & CLOCK_SOURCE_SUSPEND_NONSTOP) &&
- cycle_now > tk->tkr.cycle_last) {
+ cycle_now > tk->tkr_mono.cycle_last) {
u64 num, max = ULLONG_MAX;
u32 mult = clock->mult;
u32 shift = clock->shift;
s64 nsec = 0;
- cycle_delta = clocksource_delta(cycle_now, tk->tkr.cycle_last,
- tk->tkr.mask);
+ cycle_delta = clocksource_delta(cycle_now, tk->tkr_mono.cycle_last,
+ tk->tkr_mono.mask);
/*
* "cycle_delta * mutl" may cause 64 bits overflow, if the
@@ -1366,7 +1366,7 @@ void timekeeping_resume(void)
__timekeeping_inject_sleeptime(tk, &ts_delta);
/* Re-base the last cycle value */
- tk->tkr.cycle_last = cycle_now;
+ tk->tkr_mono.cycle_last = cycle_now;
tk->ntp_error = 0;
timekeeping_suspended = 0;
timekeeping_update(tk, TK_MIRROR | TK_CLOCK_WAS_SET);
@@ -1519,15 +1519,15 @@ static __always_inline void timekeeping_apply_adjustment(struct timekeeper *tk,
*
* XXX - TODO: Doc ntp_error calculation.
*/
- if ((mult_adj > 0) && (tk->tkr.mult + mult_adj < mult_adj)) {
+ if ((mult_adj > 0) && (tk->tkr_mono.mult + mult_adj < mult_adj)) {
/* NTP adjustment caused clocksource mult overflow */
WARN_ON_ONCE(1);
return;
}
- tk->tkr.mult += mult_adj;
+ tk->tkr_mono.mult += mult_adj;
tk->xtime_interval += interval;
- tk->tkr.xtime_nsec -= offset;
+ tk->tkr_mono.xtime_nsec -= offset;
tk->ntp_error -= (interval - offset) << tk->ntp_error_shift;
}
@@ -1589,13 +1589,13 @@ static void timekeeping_adjust(struct timekeeper *tk, s64 offset)
tk->ntp_err_mult = 0;
}
- if (unlikely(tk->tkr.clock->maxadj &&
- (abs(tk->tkr.mult - tk->tkr.clock->mult)
- > tk->tkr.clock->maxadj))) {
+ if (unlikely(tk->tkr_mono.clock->maxadj &&
+ (abs(tk->tkr_mono.mult - tk->tkr_mono.clock->mult)
+ > tk->tkr_mono.clock->maxadj))) {
printk_once(KERN_WARNING
"Adjusting %s more than 11%% (%ld vs %ld)\n",
- tk->tkr.clock->name, (long)tk->tkr.mult,
- (long)tk->tkr.clock->mult + tk->tkr.clock->maxadj);
+ tk->tkr_mono.clock->name, (long)tk->tkr_mono.mult,
+ (long)tk->tkr_mono.clock->mult + tk->tkr_mono.clock->maxadj);
}
/*
@@ -1612,9 +1612,9 @@ static void timekeeping_adjust(struct timekeeper *tk, s64 offset)
* We'll correct this error next time through this function, when
* xtime_nsec is not as small.
*/
- if (unlikely((s64)tk->tkr.xtime_nsec < 0)) {
- s64 neg = -(s64)tk->tkr.xtime_nsec;
- tk->tkr.xtime_nsec = 0;
+ if (unlikely((s64)tk->tkr_mono.xtime_nsec < 0)) {
+ s64 neg = -(s64)tk->tkr_mono.xtime_nsec;
+ tk->tkr_mono.xtime_nsec = 0;
tk->ntp_error += neg << tk->ntp_error_shift;
}
}
@@ -1629,13 +1629,13 @@ static void timekeeping_adjust(struct timekeeper *tk, s64 offset)
*/
static inline unsigned int accumulate_nsecs_to_secs(struct timekeeper *tk)
{
- u64 nsecps = (u64)NSEC_PER_SEC << tk->tkr.shift;
+ u64 nsecps = (u64)NSEC_PER_SEC << tk->tkr_mono.shift;
unsigned int clock_set = 0;
- while (tk->tkr.xtime_nsec >= nsecps) {
+ while (tk->tkr_mono.xtime_nsec >= nsecps) {
int leap;
- tk->tkr.xtime_nsec -= nsecps;
+ tk->tkr_mono.xtime_nsec -= nsecps;
tk->xtime_sec++;
/* Figure out if its a leap sec and apply if needed */
@@ -1680,9 +1680,9 @@ static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset,
/* Accumulate one shifted interval */
offset -= interval;
- tk->tkr.cycle_last += interval;
+ tk->tkr_mono.cycle_last += interval;
- tk->tkr.xtime_nsec += tk->xtime_interval << shift;
+ tk->tkr_mono.xtime_nsec += tk->xtime_interval << shift;
*clock_set |= accumulate_nsecs_to_secs(tk);
/* Accumulate raw time */
@@ -1725,8 +1725,8 @@ void update_wall_time(void)
#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
offset = real_tk->cycle_interval;
#else
- offset = clocksource_delta(tk->tkr.read(tk->tkr.clock),
- tk->tkr.cycle_last, tk->tkr.mask);
+ offset = clocksource_delta(tk->tkr_mono.read(tk->tkr_mono.clock),
+ tk->tkr_mono.cycle_last, tk->tkr_mono.mask);
#endif
/* Check if there's really nothing to do */
@@ -1890,8 +1890,8 @@ ktime_t ktime_get_update_offsets_tick(ktime_t *offs_real, ktime_t *offs_boot,
do {
seq = read_seqcount_begin(&tk_core.seq);
- base = tk->tkr.base_mono;
- nsecs = tk->tkr.xtime_nsec >> tk->tkr.shift;
+ base = tk->tkr_mono.base;
+ nsecs = tk->tkr_mono.xtime_nsec >> tk->tkr_mono.shift;
*offs_real = tk->offs_real;
*offs_boot = tk->offs_boot;
@@ -1922,8 +1922,8 @@ ktime_t ktime_get_update_offsets_now(ktime_t *offs_real, ktime_t *offs_boot,
do {
seq = read_seqcount_begin(&tk_core.seq);
- base = tk->tkr.base_mono;
- nsecs = timekeeping_get_ns(&tk->tkr);
+ base = tk->tkr_mono.base;
+ nsecs = timekeeping_get_ns(&tk->tkr_mono);
*offs_real = tk->offs_real;
*offs_boot = tk->offs_boot;
generated by cgit v0.10.2 at 2024-10-31 04:16:55 (GMT)