diff options
| -rw-r--r-- | include/linux/timekeeper_internal.h | 6 | ||||
| -rw-r--r-- | kernel/time/timekeeping.c | 14 |
2 files changed, 5 insertions, 15 deletions
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index 87e0992564f2..8e5d77a01787 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -20,8 +20,8 @@ * the tv_nsec part positive so we can use the usual normalization. * * wall_to_monotonic is moved after resume from suspend for the - * monotonic time not to jump. We need to add total_sleep_time to - * wall_to_monotonic to get the real boot based time offset. + * monotonic time not to jump. To calculate the real boot time offset + * we need to do offs_real - offs_boot. * * - wall_to_monotonic is no longer the boot time, getboottime must be * used instead. @@ -51,8 +51,6 @@ struct timekeeper { /* Offset clock monotonic -> clock tai */ ktime_t offs_tai; - /* time spent in suspend */ - struct timespec64 total_sleep_time; /* The current UTC to TAI offset in seconds */ s32 tai_offset; diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 3edc0c1d6fe8..50d5de05b837 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -97,13 +97,9 @@ static void tk_set_wall_to_mono(struct timekeeper *tk, struct timespec64 wtm) tk->offs_tai = ktime_add(tk->offs_real, ktime_set(tk->tai_offset, 0)); } -static void tk_set_sleep_time(struct timekeeper *tk, struct timespec64 t) +static inline void tk_update_sleep_time(struct timekeeper *tk, ktime_t delta) { - /* Verify consistency before modifying */ - WARN_ON_ONCE(tk->offs_boot.tv64 != timespec64_to_ktime(tk->total_sleep_time).tv64); - - tk->total_sleep_time = t; - tk->offs_boot = timespec64_to_ktime(t); + tk->offs_boot = ktime_add(tk->offs_boot, delta); } /** @@ -919,10 +915,6 @@ void __init timekeeping_init(void) set_normalized_timespec64(&tmp, -boot.tv_sec, -boot.tv_nsec); tk_set_wall_to_mono(tk, tmp); - tmp.tv_sec = 0; - tmp.tv_nsec = 0; - tk_set_sleep_time(tk, tmp); - timekeeping_update(tk, TK_MIRROR); write_seqcount_end(&tk_core.seq); @@ -950,7 +942,7 @@ static void __timekeeping_inject_sleeptime(struct timekeeper *tk, } tk_xtime_add(tk, delta); tk_set_wall_to_mono(tk, timespec64_sub(tk->wall_to_monotonic, *delta)); - tk_set_sleep_time(tk, timespec64_add(tk->total_sleep_time, *delta)); + tk_update_sleep_time(tk, timespec64_to_ktime(*delta)); tk_debug_account_sleep_time(delta); } |