linux-kernel - [PATCH v2 11/31] perf/x86: Switch to use hrtimer

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Message-Id: <e84ad5a660b8e10867e547db8e64f7e99c48ebba.1738746821.git.namcao@linutronix.de>
Date: Wed,  5 Feb 2025 11:38:55 +0100
From: Nam Cao <namcao@...utronix.de>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH v2 11/31] perf/x86: Switch to use hrtimer_setup()

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@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>
---
 arch/x86/events/intel/uncore.c | 3 +--
 arch/x86/events/rapl.c         | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index 60b3078b7502..a34e50fc4a8f 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -347,8 +347,7 @@ void uncore_pmu_cancel_hrtimer(struct intel_uncore_box *box)
 
 static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box)
 {
-	hrtimer_init(&box->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	box->hrtimer.function = uncore_pmu_hrtimer;
+	hrtimer_setup(&box->hrtimer, uncore_pmu_hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 }
 
 static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type,
diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c
index d3bb3865c1b1..2b6cc2860836 100644
--- a/arch/x86/events/rapl.c
+++ b/arch/x86/events/rapl.c
@@ -274,8 +274,7 @@ static void rapl_hrtimer_init(struct rapl_pmu *rapl_pmu)
 {
 	struct hrtimer *hr = &rapl_pmu->hrtimer;
 
-	hrtimer_init(hr, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	hr->function = rapl_hrtimer_handle;
+	hrtimer_setup(hr, rapl_hrtimer_handle, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 }
 
 static void __rapl_pmu_event_start(struct rapl_pmu *rapl_pmu,
-- 
2.39.5