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perf: Switch to use hrtimer_setup()

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hrtimer_setup() takes the callback function pointer as argument and
initializes the timer completely.

Replace hrtimer_init() and the open coded initialization of
hrtimer::function with the new setup mechanism.

Patch was created by using Coccinelle.

Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/f611e6d3fc6996bbcf0e19fe234f75edebe4332f.1738746821.git.namcao@linutronix.de
This commit is contained in:
Nam Cao 2025-02-05 11:39:02 +01:00 committed by Thomas Gleixner
parent 91b7be704d
commit 022a223546
1 changed files with 3 additions and 4 deletions
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7
kernel/events/core.c
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@ -1147,8 +1147,8 @@ static void __perf_mux_hrtimer_init(struct perf_cpu_pmu_context *cpc, int cpu)
cpc->hrtimer_interval = ns_to_ktime(NSEC_PER_MSEC * interval);
raw_spin_lock_init(&cpc->hrtimer_lock);
hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);
timer->function = perf_mux_hrtimer_handler;
hrtimer_setup(timer, perf_mux_hrtimer_handler, CLOCK_MONOTONIC,
HRTIMER_MODE_ABS_PINNED_HARD);
}
static int perf_mux_hrtimer_restart(struct perf_cpu_pmu_context *cpc)
@ -11367,8 +11367,7 @@ static void perf_swevent_init_hrtimer(struct perf_event *event)
if (!is_sampling_event(event))
return;
hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
hwc->hrtimer.function = perf_swevent_hrtimer;
hrtimer_setup(&hwc->hrtimer, perf_swevent_hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
/*
* Since hrtimers have a fixed rate, we can do a static freq->period