kvm: make KVM_CAP_COALESCED_MMIO architecture agnostic

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 <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> [Removed a pointless 'break' after 'return'.] Signed-off-by: Radim Krčmář <[email protected]>
ambv · Apr 7, 2017 · 3042255 · 3042255
1 parent a5f4645
commit 3042255
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Showing 5 changed files with 4 additions and 14 deletions.
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
@@ -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;

diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
@@ -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;

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
@@ -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;

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
@@ -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;

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
@@ -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;