From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 21 Jul 2023 17:12:51 +0200
Subject: [RFC PATCH v11 16/29] KVM: Allow arch code to track number of
 memslot address spaces per VM
In-Reply-To: <20230718234512.1690985-17-seanjc@google.com>
References: <20230718234512.1690985-1-seanjc@google.com>
 <20230718234512.1690985-17-seanjc@google.com>
Message-ID: <6519e3f4-7cea-01a6-724e-a0bce10c3c19@redhat.com>
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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