linux-kernel - [PATCH 04/15] KVM: x86: Drop superfluous kvm_hv_set_sint() => kvm_hv_synic_set

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Message-ID: <20250519232808.2745331-5-seanjc@google.com>
Date: Mon, 19 May 2025 16:27:57 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, 
	Vitaly Kuznetsov <vkuznets@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 04/15] KVM: x86: Drop superfluous kvm_hv_set_sint() =>
 kvm_hv_synic_set_irq() wrapper

Drop the superfluous kvm_hv_set_sint() and instead wire up ->set() directly
to its final destination.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 arch/x86/kvm/hyperv.c   | 10 +++++++---
 arch/x86/kvm/hyperv.h   |  3 ++-
 arch/x86/kvm/irq_comm.c | 12 ------------
 3 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 24f0318c50d7..7f565636edde 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -497,15 +497,19 @@ static int synic_set_irq(struct kvm_vcpu_hv_synic *synic, u32 sint)
 	return ret;
 }
 
-int kvm_hv_synic_set_irq(struct kvm *kvm, u32 vpidx, u32 sint)
+int kvm_hv_set_sint(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm,
+		    int irq_source_id, int level, bool line_status)
 {
 	struct kvm_vcpu_hv_synic *synic;
 
-	synic = synic_get(kvm, vpidx);
+	if (!level)
+		return -1;
+
+	synic = synic_get(kvm, e->hv_sint.vcpu);
 	if (!synic)
 		return -EINVAL;
 
-	return synic_set_irq(synic, sint);
+	return synic_set_irq(synic, e->hv_sint.sint);
 }
 
 void kvm_hv_synic_send_eoi(struct kvm_vcpu *vcpu, int vector)
diff --git a/arch/x86/kvm/hyperv.h b/arch/x86/kvm/hyperv.h
index 913bfc96959c..4ad5a0749739 100644
--- a/arch/x86/kvm/hyperv.h
+++ b/arch/x86/kvm/hyperv.h
@@ -103,7 +103,8 @@ static inline bool kvm_hv_hypercall_enabled(struct kvm_vcpu *vcpu)
 int kvm_hv_hypercall(struct kvm_vcpu *vcpu);
 
 void kvm_hv_irq_routing_update(struct kvm *kvm);
-int kvm_hv_synic_set_irq(struct kvm *kvm, u32 vcpu_id, u32 sint);
+int kvm_hv_set_sint(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm,
+		    int irq_source_id, int level, bool line_status);
 void kvm_hv_synic_send_eoi(struct kvm_vcpu *vcpu, int vector);
 int kvm_hv_activate_synic(struct kvm_vcpu *vcpu, bool dont_zero_synic_pages);
 
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index 8dcb6a555902..b85e4be2ddff 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -127,18 +127,6 @@ int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
 	return kvm_irq_delivery_to_apic(kvm, NULL, &irq, NULL);
 }
 
-#ifdef CONFIG_KVM_HYPERV
-static int kvm_hv_set_sint(struct kvm_kernel_irq_routing_entry *e,
-		    struct kvm *kvm, int irq_source_id, int level,
-		    bool line_status)
-{
-	if (!level)
-		return -1;
-
-	return kvm_hv_synic_set_irq(kvm, e->hv_sint.vcpu, e->hv_sint.sint);
-}
-#endif
-
 int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *e,
 			      struct kvm *kvm, int irq_source_id, int level,
 			      bool line_status)
-- 
2.49.0.1101.gccaa498523-goog