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SubjectRe: [RFC PATCH v11 16/29] KVM: Allow arch code to track number of memslot address spaces per VM
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On 7/19/23 01:44, Sean Christopherson wrote:
> @@ -4725,9 +4725,9 @@ static int kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
> case KVM_CAP_IRQ_ROUTING:
> return KVM_MAX_IRQ_ROUTES;
> #endif
> -#if KVM_ADDRESS_SPACE_NUM > 1
> +#if KVM_MAX_NR_ADDRESS_SPACES > 1
> case KVM_CAP_MULTI_ADDRESS_SPACE:
> - return KVM_ADDRESS_SPACE_NUM;
> + return KVM_MAX_NR_ADDRESS_SPACES;
> #endif

Since this is a VM ioctl, it should return
kvm_arch_nr_memslot_as_ids(kvm) if kvm != NULL.

Paolo

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