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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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KVM: Fix adding an smp virtual machine to the vm list
If we add the vm once per vcpu, we corrupt the list if the guest has multiple vcpus. Signed-off-by: Avi Kivity <avi@qumranet.com>
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@ -319,6 +319,9 @@ static struct kvm *kvm_create_vm(void)
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spin_lock_init(&kvm->lock);
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INIT_LIST_HEAD(&kvm->active_mmu_pages);
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spin_lock(&kvm_lock);
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list_add(&kvm->vm_list, &vm_list);
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spin_unlock(&kvm_lock);
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for (i = 0; i < KVM_MAX_VCPUS; ++i) {
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struct kvm_vcpu *vcpu = &kvm->vcpus[i];
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@ -326,9 +329,6 @@ static struct kvm *kvm_create_vm(void)
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vcpu->cpu = -1;
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vcpu->kvm = kvm;
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vcpu->mmu.root_hpa = INVALID_PAGE;
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spin_lock(&kvm_lock);
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list_add(&kvm->vm_list, &vm_list);
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spin_unlock(&kvm_lock);
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}
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return kvm;
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}
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