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-rw-r--r--kernel/time/timekeeping.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 9552bc76f386..94f68e7ffc9d 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1943,12 +1943,12 @@ void timekeeping_inject_sleeptime64(const struct timespec64 *delta)
*/
void timekeeping_resume(void)
{
- struct timekeeper *tk = &tk_core.timekeeper;
- struct clocksource *clock = tk->tkr_mono.clock;
- unsigned long flags;
+ struct timekeeper *tks = &tk_core.shadow_timekeeper;
+ struct clocksource *clock = tks->tkr_mono.clock;
struct timespec64 ts_new, ts_delta;
- u64 cycle_now, nsec;
bool inject_sleeptime = false;
+ u64 cycle_now, nsec;
+ unsigned long flags;
read_persistent_clock64(&ts_new);
@@ -1956,7 +1956,6 @@ void timekeeping_resume(void)
clocksource_resume();
raw_spin_lock_irqsave(&tk_core.lock, flags);
- write_seqcount_begin(&tk_core.seq);
/*
* After system resumes, we need to calculate the suspended time and
@@ -1970,7 +1969,7 @@ 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_clock_read(&tk->tkr_mono);
+ cycle_now = tk_clock_read(&tks->tkr_mono);
nsec = clocksource_stop_suspend_timing(clock, cycle_now);
if (nsec > 0) {
ts_delta = ns_to_timespec64(nsec);
@@ -1982,17 +1981,16 @@ void timekeeping_resume(void)
if (inject_sleeptime) {
suspend_timing_needed = false;
- __timekeeping_inject_sleeptime(tk, &ts_delta);
+ __timekeeping_inject_sleeptime(tks, &ts_delta);
}
/* Re-base the last cycle value */
- tk->tkr_mono.cycle_last = cycle_now;
- tk->tkr_raw.cycle_last = cycle_now;
+ tks->tkr_mono.cycle_last = cycle_now;
+ tks->tkr_raw.cycle_last = cycle_now;
- tk->ntp_error = 0;
+ tks->ntp_error = 0;
timekeeping_suspended = 0;
- timekeeping_update(&tk_core, tk, TK_MIRROR | TK_CLOCK_WAS_SET);
- write_seqcount_end(&tk_core.seq);
+ timekeeping_update_from_shadow(&tk_core, TK_CLOCK_WAS_SET);
raw_spin_unlock_irqrestore(&tk_core.lock, flags);
touch_softlockup_watchdog();