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kvm: make KVM_CAP_COALESCED_MMIO architecture agnostic

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Remove code from architecture files that can be moved to virt/kvm, since there
is already common code for coalesced MMIO.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
[Removed a pointless 'break' after 'return'.]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-03-31 13:53:22 +02:00 committed by Radim Krčmář
parent a5f4645704
commit 3042255899
5 changed files with 4 additions and 14 deletions
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3
arch/arm/kvm/arm.c
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@ -209,9 +209,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_IMMEDIATE_EXIT:
r = 1;
break;
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
case KVM_CAP_ARM_SET_DEVICE_ADDR:
r = 1;
break;

3
arch/mips/kvm/mips.c
View File

@ -1070,9 +1070,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_IMMEDIATE_EXIT:
r = 1;
break;
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
case KVM_CAP_NR_VCPUS:
r = num_online_cpus();
break;

5
arch/powerpc/kvm/powerpc.c
View File

@ -524,11 +524,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
/* We support this only for PR */
r = !hv_enabled;
break;
#ifdef CONFIG_KVM_MMIO
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
#endif
#ifdef CONFIG_KVM_MPIC
case KVM_CAP_IRQ_MPIC:
r = 1;

3
arch/x86/kvm/x86.c
View File

@ -2690,9 +2690,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
*/
r = kvm_x86_ops->cpu_has_high_real_mode_segbase();
break;
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
case KVM_CAP_VAPIC:
r = !kvm_x86_ops->cpu_has_accelerated_tpr();
break;

4
virt/kvm/kvm_main.c
View File

@ -2918,6 +2918,10 @@ static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
case KVM_CAP_IOEVENTFD_ANY_LENGTH:
case KVM_CAP_CHECK_EXTENSION_VM:
return 1;
#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
case KVM_CAP_COALESCED_MMIO:
return KVM_COALESCED_MMIO_PAGE_OFFSET;
#endif
#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
case KVM_CAP_IRQ_ROUTING:
return KVM_MAX_IRQ_ROUTES;