KVM: Add KVM_MMIO kconfig item

s390 doesn't have mmio, this will simplify ifdefing it out.

Signed-off-by: Avi Kivity <avi@redhat.com>

4 files changed, 6 insertions, 0 deletions

diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index ef3e7be29caf..bf82e47c98bb 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -26,6 +26,7 @@ config KVM
         select ANON_INODES
         select HAVE_KVM_IRQCHIP
         select KVM_APIC_ARCHITECTURE
+        select KVM_MMIO
         ---help---
           Support hosting fully virtualized guest machines using hardware
           virtualization extensions.  You will need a fairly recent
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 6fb6e8aa3890..be28968c7941 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -20,6 +20,7 @@ config KVM
         bool
         select PREEMPT_NOTIFIERS
         select ANON_INODES
+        select KVM_MMIO
 
 config KVM_BOOK3S_64_HANDLER
         bool
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 4cd498332466..06871111bf54 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -29,6 +29,7 @@ config KVM
         select HAVE_KVM_EVENTFD
         select KVM_APIC_ARCHITECTURE
         select USER_RETURN_NOTIFIER
+        select KVM_MMIO
         ---help---
           Support hosting fully virtualized guest machines using hardware
           virtualization extensions.  You will need a fairly recent
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index daece36c0a57..7f1178f6b839 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -12,3 +12,6 @@ config HAVE_KVM_EVENTFD
 
 config KVM_APIC_ARCHITECTURE
        bool
+
+config KVM_MMIO
+       bool