KVM: PPC: Book3S HV: Make a HPTE removal function available
This makes a HPTE removal function, kvmppc_do_h_remove(), available outside book3s_hv_rm_mmu.c. This will be used by the HPT writing code. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Alexander Graf <agraf@suse.de>
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@ -160,6 +160,9 @@ extern long kvmppc_virtmode_h_enter(struct kvm_vcpu *vcpu, unsigned long flags,
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extern long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
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long pte_index, unsigned long pteh, unsigned long ptel,
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pgd_t *pgdir, bool realmode, unsigned long *idx_ret);
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extern long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
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unsigned long pte_index, unsigned long avpn,
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unsigned long *hpret);
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extern long kvmppc_hv_get_dirty_log(struct kvm *kvm,
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struct kvm_memory_slot *memslot, unsigned long *map);
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@ -365,11 +365,10 @@ static inline int try_lock_tlbie(unsigned int *lock)
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return old == 0;
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}
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long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
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unsigned long pte_index, unsigned long avpn,
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unsigned long va)
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long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
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unsigned long pte_index, unsigned long avpn,
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unsigned long *hpret)
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{
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struct kvm *kvm = vcpu->kvm;
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unsigned long *hpte;
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unsigned long v, r, rb;
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struct revmap_entry *rev;
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@ -411,10 +410,18 @@ long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
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note_hpte_modification(kvm, rev);
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unlock_hpte(hpte, 0);
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vcpu->arch.gpr[4] = v;
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vcpu->arch.gpr[5] = r;
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hpret[0] = v;
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hpret[1] = r;
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return H_SUCCESS;
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}
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EXPORT_SYMBOL_GPL(kvmppc_do_h_remove);
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long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
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unsigned long pte_index, unsigned long avpn)
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{
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return kvmppc_do_h_remove(vcpu->kvm, flags, pte_index, avpn,
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&vcpu->arch.gpr[4]);
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}
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long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
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{
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