linux-kernel - [PATCH 07/31] riscv: kvm: Switch to use hrtimer

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Message-Id: <888e7cbae0d492fc284f94113f7fad081a77138f.1729864823.git.namcao@linutronix.de>
Date: Mon, 28 Oct 2024 08:31:40 +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>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Kees Cook <kees@...nel.org>,
	linux-kernel@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>,
	Anup Patel <anup@...infault.org>
Subject: [PATCH 07/31] riscv: kvm: Switch to use hrtimer_setup()

There is a newly introduced hrtimer_setup() which will replace
hrtimer_init(). This new function is similar to the old one, except that it
also sanity-checks and initializes the timer's callback function.

Switch to use this new function.

Patch was created by using Coccinelle.

Signed-off-by: Nam Cao <namcao@...utronix.de>
---
Cc: Anup Patel <anup@...infault.org>
---
 arch/riscv/kvm/vcpu_timer.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/riscv/kvm/vcpu_timer.c b/arch/riscv/kvm/vcpu_timer.c
index 75486b25ac45..74b78b0346df 100644
--- a/arch/riscv/kvm/vcpu_timer.c
+++ b/arch/riscv/kvm/vcpu_timer.c
@@ -248,18 +248,19 @@ int kvm_riscv_vcpu_timer_init(struct kvm_vcpu *vcpu)
 	if (t->init_done)
 		return -EINVAL;
 
-	hrtimer_init(&t->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	t->init_done = true;
 	t->next_set = false;
 
 	/* Enable sstc for every vcpu if available in hardware */
 	if (riscv_isa_extension_available(NULL, SSTC)) {
 		t->sstc_enabled = true;
-		t->hrt.function = kvm_riscv_vcpu_vstimer_expired;
+		hrtimer_setup(&t->hrt, kvm_riscv_vcpu_vstimer_expired, CLOCK_MONOTONIC,
+			      HRTIMER_MODE_REL);
 		t->timer_next_event = kvm_riscv_vcpu_update_vstimecmp;
 	} else {
 		t->sstc_enabled = false;
-		t->hrt.function = kvm_riscv_vcpu_hrtimer_expired;
+		hrtimer_setup(&t->hrt, kvm_riscv_vcpu_hrtimer_expired, CLOCK_MONOTONIC,
+			      HRTIMER_MODE_REL);
 		t->timer_next_event = kvm_riscv_vcpu_update_hrtimer;
 	}
 
-- 
2.39.5