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tick/sched: Remove useless oneshot ifdeffery

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tick-sched.c is only built when CONFIG_TICK_ONESHOT=y, which is selected
only if CONFIG_NO_HZ_COMMON=y or CONFIG_HIGH_RES_TIMERS=y. Therefore
the related ifdeferry in this file is needless and can be removed.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240225225508.11587-4-frederic@kernel.org
This commit is contained in:
Frederic Weisbecker 2024-02-25 23:54:55 +01:00 • committed by Thomas Gleixner
parent 37263ba0c4
commit 3aedb7fcd8
1 changed files with 1 additions and 5 deletions
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6
kernel/time/tick-sched.c
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@ -43,7 +43,6 @@ struct tick_sched *tick_get_tick_sched(int cpu)
return &per_cpu(tick_cpu_sched, cpu);
}
#if defined(CONFIG_NO_HZ_COMMON) || defined(CONFIG_HIGH_RES_TIMERS)
/*
* The time when the last jiffy update happened. Write access must hold
* jiffies_lock and jiffies_seq. tick_nohz_next_event() needs to get a
@ -289,7 +288,6 @@ static enum hrtimer_restart tick_nohz_handler(struct hrtimer *timer)
return HRTIMER_RESTART;
}
#endif
#ifdef CONFIG_NO_HZ_FULL
cpumask_var_t tick_nohz_full_mask;
@ -635,7 +633,7 @@ void __init tick_nohz_init(void)
pr_info("NO_HZ: Full dynticks CPUs: %*pbl.\n",
cpumask_pr_args(tick_nohz_full_mask));
}
#endif
#endif /* #ifdef CONFIG_NO_HZ_FULL */
/*
* NOHZ - aka dynamic tick functionality
@ -1540,7 +1538,6 @@ void tick_irq_enter(void)
tick_nohz_irq_enter();
}
#if defined CONFIG_NO_HZ_COMMON || defined CONFIG_HIGH_RES_TIMERS
static int sched_skew_tick;
static int __init skew_tick(char *str)
@ -1605,7 +1602,6 @@ void tick_cancel_sched_timer(int cpu)
ts->idle_calls = idle_calls;
ts->idle_sleeps = idle_sleeps;
}
#endif /* CONFIG_NO_HZ_COMMON || CONFIG_HIGH_RES_TIMERS */
/*
* Async notification about clocksource changes