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sean-jcsean-jc
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KVM: Delete the now unused kvm_arch_sched_in()
Delete kvm_arch_sched_in() now that all implementations are nops. Reviewed-by: Bibo Mao <[email protected]> Acked-by: Kai Huang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sean Christopherson <[email protected]>
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10 files changed

+3
-17
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10 files changed

+3
-17
lines changed

‎arch/arm64/include/asm/kvm_host.h

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@@ -1225,7 +1225,6 @@ static inline bool kvm_system_needs_idmapped_vectors(void)
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}
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static inline void kvm_arch_sync_events(struct kvm *kvm) {}
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static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
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void kvm_arm_init_debug(void);
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void kvm_arm_vcpu_init_debug(struct kvm_vcpu *vcpu);

‎arch/loongarch/include/asm/kvm_host.h

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@@ -261,7 +261,6 @@ static inline bool kvm_is_ifetch_fault(struct kvm_vcpu_arch *arch)
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static inline void kvm_arch_hardware_unsetup(void) {}
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static inline void kvm_arch_sync_events(struct kvm *kvm) {}
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static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
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static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
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static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
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static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
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static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}

‎arch/mips/include/asm/kvm_host.h

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@@ -890,7 +890,6 @@ static inline void kvm_arch_sync_events(struct kvm *kvm) {}
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static inline void kvm_arch_free_memslot(struct kvm *kvm,
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struct kvm_memory_slot *slot) {}
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static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
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static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
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static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
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static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
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‎arch/powerpc/include/asm/kvm_host.h

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@@ -897,7 +897,6 @@ struct kvm_vcpu_arch {
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static inline void kvm_arch_sync_events(struct kvm *kvm) {}
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static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
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static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
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static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
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static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
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static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
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‎arch/riscv/include/asm/kvm_host.h

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@@ -286,7 +286,6 @@ struct kvm_vcpu_arch {
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};
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static inline void kvm_arch_sync_events(struct kvm *kvm) {}
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static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
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#define KVM_RISCV_GSTAGE_TLB_MIN_ORDER 12
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‎arch/s390/include/asm/kvm_host.h

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@@ -1045,7 +1045,6 @@ extern int kvm_s390_gisc_register(struct kvm *kvm, u32 gisc);
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extern int kvm_s390_gisc_unregister(struct kvm *kvm, u32 gisc);
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static inline void kvm_arch_sync_events(struct kvm *kvm) {}
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static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
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static inline void kvm_arch_free_memslot(struct kvm *kvm,
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struct kvm_memory_slot *slot) {}
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static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}

‎arch/x86/kvm/pmu.c

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@@ -521,9 +521,9 @@ void kvm_pmu_handle_event(struct kvm_vcpu *vcpu)
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}
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/*
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* Unused perf_events are only released if the corresponding MSRs
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* weren't accessed during the last vCPU time slice. kvm_arch_sched_in
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* triggers KVM_REQ_PMU if cleanup is needed.
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* Release unused perf_events if the corresponding guest MSRs weren't
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* accessed during the last vCPU time slice (need_cleanup is set when
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* the vCPU is scheduled back in).
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*/
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if (unlikely(pmu->need_cleanup))
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kvm_pmu_cleanup(vcpu);

‎arch/x86/kvm/x86.c

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@@ -12575,11 +12575,6 @@ bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu)
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return (vcpu->arch.apic_base & MSR_IA32_APICBASE_BSP) != 0;
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}
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu)
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{
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}
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void kvm_arch_free_vm(struct kvm *kvm)
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{
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#if IS_ENABLED(CONFIG_HYPERV)

‎include/linux/kvm_host.h

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@@ -1495,8 +1495,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
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struct kvm_guest_debug *dbg);
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int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu);
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu);
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void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
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void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
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int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id);

‎virt/kvm/kvm_main.c

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@@ -6292,7 +6292,6 @@ static void kvm_sched_in(struct preempt_notifier *pn, int cpu)
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WRITE_ONCE(vcpu->ready, false);
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__this_cpu_write(kvm_running_vcpu, vcpu);
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kvm_arch_sched_in(vcpu, cpu);
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kvm_arch_vcpu_load(vcpu, cpu);
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WRITE_ONCE(vcpu->scheduled_out, false);

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