diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2024-10-09 10:28:55 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-10-25 19:49:13 +0200 |
| commit | 886150fb4f19505b8f9d26201d7671b25c233a9f (patch) | |
| tree | c86d757f33c56715da94570d1ae4a9caa8c5e72f /kernel/time | |
| parent | 14f1e3b3dfc7fc8b61fcb79f956f05625af6f049 (diff) | |
timekeeping: Don't stop time readers across hard_pps() update
hard_pps() update does not modify anything which might be required by time
readers so forcing readers out of the way during the update is a pointless
exercise.
The interaction with adjtimex() and timekeeper updates which call into the
NTP code is properly serialized by timekeeper_lock.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241009-devel-anna-maria-b4-timers-ptp-timekeeping-v2-2-554456a44a15@linutronix.de
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/timekeeping.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 2bc3542f29a2..ff98a0b54b54 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -2746,11 +2746,7 @@ void hardpps(const struct timespec64 *phase_ts, const struct timespec64 *raw_ts) unsigned long flags; raw_spin_lock_irqsave(&timekeeper_lock, flags); - write_seqcount_begin(&tk_core.seq); - __hardpps(phase_ts, raw_ts); - - write_seqcount_end(&tk_core.seq); raw_spin_unlock_irqrestore(&timekeeper_lock, flags); } EXPORT_SYMBOL(hardpps); |