diff mbox series

[7/7] KVM: Drop kvm_arch_sync_events() now that all implementations are nops

Message ID 20250224235542.2562848-8-seanjc@google.com (mailing list archive)
State New
Headers show
Series KVM: x86: nVMX IRQ fix and VM teardown cleanups | expand

Commit Message

Sean Christopherson Feb. 24, 2025, 11:55 p.m. UTC 
Remove kvm_arch_sync_events() now that x86 no longer uses it (no other
arch has ever used it).

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/arm64/include/asm/kvm_host.h     | 2 --
 arch/loongarch/include/asm/kvm_host.h | 1 -
 arch/mips/include/asm/kvm_host.h      | 1 -
 arch/powerpc/include/asm/kvm_host.h   | 1 -
 arch/riscv/include/asm/kvm_host.h     | 2 --
 arch/s390/include/asm/kvm_host.h      | 1 -
 arch/x86/kvm/x86.c                    | 5 -----
 include/linux/kvm_host.h              | 1 -
 virt/kvm/kvm_main.c                   | 1 -
 9 files changed, 15 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 7cfa024de4e3..40897bd2b4a3 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -1346,8 +1346,6 @@  static inline bool kvm_system_needs_idmapped_vectors(void)
 	return cpus_have_final_cap(ARM64_SPECTRE_V3A);
 }
 
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
-
 void kvm_init_host_debug_data(void);
 void kvm_vcpu_load_debug(struct kvm_vcpu *vcpu);
 void kvm_vcpu_put_debug(struct kvm_vcpu *vcpu);
diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h
index 590982cd986e..ab5b7001e2ff 100644
--- a/arch/loongarch/include/asm/kvm_host.h
+++ b/arch/loongarch/include/asm/kvm_host.h
@@ -320,7 +320,6 @@  static inline bool kvm_is_ifetch_fault(struct kvm_vcpu_arch *arch)
 
 /* Misc */
 static inline void kvm_arch_hardware_unsetup(void) {}
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index f7222eb594ea..c14b10821817 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -886,7 +886,6 @@  extern unsigned long kvm_mips_get_ramsize(struct kvm *kvm);
 extern int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
 			     struct kvm_mips_interrupt *irq);
 
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
 static inline void kvm_arch_free_memslot(struct kvm *kvm,
 					 struct kvm_memory_slot *slot) {}
 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 6e1108f8fce6..2d139c807577 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -902,7 +902,6 @@  struct kvm_vcpu_arch {
 #define __KVM_HAVE_ARCH_WQP
 #define __KVM_HAVE_CREATE_DEVICE
 
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
diff --git a/arch/riscv/include/asm/kvm_host.h b/arch/riscv/include/asm/kvm_host.h
index cc33e35cd628..0e9c2fab6378 100644
--- a/arch/riscv/include/asm/kvm_host.h
+++ b/arch/riscv/include/asm/kvm_host.h
@@ -301,8 +301,6 @@  static inline bool kvm_arch_pmi_in_guest(struct kvm_vcpu *vcpu)
 	return IS_ENABLED(CONFIG_GUEST_PERF_EVENTS) && !!vcpu;
 }
 
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
-
 #define KVM_RISCV_GSTAGE_TLB_MIN_ORDER		12
 
 void kvm_riscv_local_hfence_gvma_vmid_gpa(unsigned long vmid,
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 9a367866cab0..424f899d8163 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -1056,7 +1056,6 @@  bool kvm_s390_pv_cpu_is_protected(struct kvm_vcpu *vcpu);
 extern int kvm_s390_gisc_register(struct kvm *kvm, u32 gisc);
 extern int kvm_s390_gisc_unregister(struct kvm *kvm, u32 gisc);
 
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
 static inline void kvm_arch_free_memslot(struct kvm *kvm,
 					 struct kvm_memory_slot *slot) {}
 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index ea445e6579f1..454fd6b8f3db 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -12770,11 +12770,6 @@  int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 	return ret;
 }
 
-void kvm_arch_sync_events(struct kvm *kvm)
-{
-
-}
-
 /**
  * __x86_set_memory_region: Setup KVM internal memory slot
  *
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index c28a6aa1f2ed..5438a1b446a6 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1747,7 +1747,6 @@  static inline void kvm_unregister_perf_callbacks(void) {}
 
 int kvm_arch_init_vm(struct kvm *kvm, unsigned long type);
 void kvm_arch_destroy_vm(struct kvm *kvm);
-void kvm_arch_sync_events(struct kvm *kvm);
 
 int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
 
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 991e8111e88b..55153494ac70 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1271,7 +1271,6 @@  static void kvm_destroy_vm(struct kvm *kvm)
 	kvm_destroy_pm_notifier(kvm);
 	kvm_uevent_notify_change(KVM_EVENT_DESTROY_VM, kvm);
 	kvm_destroy_vm_debugfs(kvm);
-	kvm_arch_sync_events(kvm);
 	mutex_lock(&kvm_lock);
 	list_del(&kvm->vm_list);
 	mutex_unlock(&kvm_lock);