[PATCH 04/15] KVM: x86: Drop superfluous kvm_hv_set_sint() => kvm_hv_synic_set_irq() wrapper

From: Sean Christopherson
Date: Mon May 19 2025 - 19:29:32 EST


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@xxxxxxxxxx>
---
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