diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-05-19 10:33:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-06-19 14:28:23 +0200 |
| commit | 6168024604236cb2bb1004ea8459c8ece2c4ef5f (patch) | |
| tree | 7063abcf2c729b396d64188d6ca0d287a3d97d42 /kernel | |
| parent | timekeeping: Prepare timekeeping_update_from_shadow() (diff) | |
| download | linux-6168024604236cb2bb1004ea8459c8ece2c4ef5f.tar.gz linux-6168024604236cb2bb1004ea8459c8ece2c4ef5f.zip | |
timekeeping: Add clock_valid flag to timekeeper
In preparation for supporting independent auxiliary timekeepers, add a
clock valid field and set it to true for the system timekeeper.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <jstultz@google.com>
Link: https://lore.kernel.org/all/20250519083026.287145536@linutronix.de
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/timekeeping.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index e3c1a1c1d8c5..bf59bacc97db 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -1665,11 +1665,12 @@ read_persistent_wall_and_boot_offset(struct timespec64 *wall_time, *boot_offset = ns_to_timespec64(local_clock()); } -static __init void tkd_basic_setup(struct tk_data *tkd, enum timekeeper_ids tk_id) +static __init void tkd_basic_setup(struct tk_data *tkd, enum timekeeper_ids tk_id, bool valid) { raw_spin_lock_init(&tkd->lock); seqcount_raw_spinlock_init(&tkd->seq, &tkd->lock); tkd->timekeeper.id = tkd->shadow_timekeeper.id = tk_id; + tkd->timekeeper.clock_valid = tkd->shadow_timekeeper.clock_valid = valid; } /* @@ -1699,7 +1700,7 @@ void __init timekeeping_init(void) struct timekeeper *tks = &tk_core.shadow_timekeeper; struct clocksource *clock; - tkd_basic_setup(&tk_core, TIMEKEEPER_CORE); + tkd_basic_setup(&tk_core, TIMEKEEPER_CORE, true); read_persistent_wall_and_boot_offset(&wall_time, &boot_offset); if (timespec64_valid_settod(&wall_time) && |