linux-kernel - [PATCH v2 03/31] KVM: s390: Switch to use hrtimer

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Message-Id: <637865c62963fb8cddf6c4368ca12434988a8c27.1738746821.git.namcao@linutronix.de>
Date: Wed,  5 Feb 2025 11:38:47 +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>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>
Subject: [PATCH v2 03/31] KVM: s390: 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: Christian Borntraeger <borntraeger@...ux.ibm.com>
---
 arch/s390/kvm/interrupt.c | 3 +--
 arch/s390/kvm/kvm-s390.c  | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index d4f031e086fc..11a33fa21dfd 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -3171,8 +3171,7 @@ void kvm_s390_gisa_init(struct kvm *kvm)
 	gi->alert.mask = 0;
 	spin_lock_init(&gi->alert.ref_lock);
 	gi->expires = 50 * 1000; /* 50 usec */
-	hrtimer_init(&gi->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	gi->timer.function = gisa_vcpu_kicker;
+	hrtimer_setup(&gi->timer, gisa_vcpu_kicker, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	memset(gi->origin, 0, sizeof(struct kvm_s390_gisa));
 	gi->origin->next_alert = (u32)virt_to_phys(gi->origin);
 	VM_EVENT(kvm, 3, "gisa 0x%pK initialized", gi->origin);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index d8080c27d45b..a0ef902c7a3d 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -3930,8 +3930,8 @@ static int kvm_s390_vcpu_setup(struct kvm_vcpu *vcpu)
 		if (rc)
 			return rc;
 	}
-	hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	vcpu->arch.ckc_timer.function = kvm_s390_idle_wakeup;
+	hrtimer_setup(&vcpu->arch.ckc_timer, kvm_s390_idle_wakeup, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
 
 	vcpu->arch.sie_block->hpid = HPID_KVM;
 
-- 
2.39.5