From: Alex Williamson <alex.williamson@redhat.com>
Date: Mon, 29 Apr 2013 16:54:08 +0000 (-0600)
Subject: kvm: KVM_CAP_IOMMU only available with device assignment
X-Git-Tag: firefly_0821_release~3680^2~569^2~9
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4cee4b72f1e2600e19779a14d4d9a4f4016ce49f;p=firefly-linux-kernel-4.4.55.git

kvm: KVM_CAP_IOMMU only available with device assignment

Fix build with CONFIG_PCI unset by linking KVM_CAP_IOMMU to
device assignment config option.  It has no purpose otherwise.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index dcc560729c20..5b2dc0d10c8f 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -204,9 +204,11 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_COALESCED_MMIO:
 		r = KVM_COALESCED_MMIO_PAGE_OFFSET;
 		break;
+#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
 	case KVM_CAP_IOMMU:
 		r = iommu_present(&pci_bus_type);
 		break;
+#endif
 	default:
 		r = 0;
 	}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8747fef7fd59..96f914e828d4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2544,9 +2544,11 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_PV_MMU:	/* obsolete */
 		r = 0;
 		break;
+#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
 	case KVM_CAP_IOMMU:
 		r = iommu_present(&pci_bus_type);
 		break;
+#endif
 	case KVM_CAP_MCE:
 		r = KVM_MAX_MCE_BANKS;
 		break;