diff options
| author | Anna-Maria Behnsen <anna-maria@linutronix.de> | 2024-08-29 09:41:33 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-08-29 16:17:18 +0200 |
| commit | 4381b895f544bb84b8cfb34ada64df67c9b2a4f0 (patch) | |
| tree | 57ae0fded11150c58c5d4e4e98577b49e6de060c /kernel/time | |
| parent | hrtimer: Use and report correct timerslack values for realtime tasks (diff) | |
| download | linux-4381b895f544bb84b8cfb34ada64df67c9b2a4f0.tar.xz linux-4381b895f544bb84b8cfb34ada64df67c9b2a4f0.zip | |
timers: Remove historical extra jiffie for timeout in msleep()
msleep() and msleep_interruptible() add a jiffie to the requested timeout.
This extra jiffie was introduced to ensure that the timeout will not happen
earlier than specified.
Since the rework of the timer wheel, the enqueue path already takes care of
this. So the extra jiffie added by msleep*() is pointless now.
Remove this extra jiffie in msleep() and msleep_interruptible().
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/all/20240829074133.4547-1-anna-maria@linutronix.de
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/timer.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 429232d8659a..d8eb368a5a5b 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -2732,7 +2732,7 @@ void __init init_timers(void) */ void msleep(unsigned int msecs) { - unsigned long timeout = msecs_to_jiffies(msecs) + 1; + unsigned long timeout = msecs_to_jiffies(msecs); while (timeout) timeout = schedule_timeout_uninterruptible(timeout); @@ -2746,7 +2746,7 @@ EXPORT_SYMBOL(msleep); */ unsigned long msleep_interruptible(unsigned int msecs) { - unsigned long timeout = msecs_to_jiffies(msecs) + 1; + unsigned long timeout = msecs_to_jiffies(msecs); while (timeout && !signal_pending(current)) timeout = schedule_timeout_interruptible(timeout); |