[Qemu-devel] [PATCH 1/2] q35: Check propery to determine if iommu is set

[Bandan Das <bsd@redhat.com>]

The helper function machine_iommu() isn't necesary. We can
directly check for the property.

Signed-off-by: Bandan Das <bsd@redhat.com>
---
 hw/core/machine.c   | 5 -----
 hw/pci-host/q35.c   | 2 +-
 include/hw/boards.h | 1 -
 3 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/hw/core/machine.c b/hw/core/machine.c
index f4db340..acca00d 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -462,11 +462,6 @@ bool machine_usb(MachineState *machine)
     return machine->usb;
 }
 
-bool machine_iommu(MachineState *machine)
-{
-    return machine->iommu;
-}
-
 bool machine_kernel_irqchip_allowed(MachineState *machine)
 {
     return machine->kernel_irqchip_allowed;
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index c81507d..1fb4707 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -506,7 +506,7 @@ static void mch_realize(PCIDevice *d, Error **errp)
                  PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, PAM_EXPAN_SIZE);
     }
     /* Intel IOMMU (VT-d) */
-    if (machine_iommu(current_machine)) {
+    if (object_property_get_bool(qdev_get_machine(), "iommu", NULL)) {
         mch_init_dmar(mch);
     }
 }
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 3e9a92c..24eb6f0 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -33,7 +33,6 @@ MachineClass *find_default_machine(void);
 extern MachineState *current_machine;
 
 bool machine_usb(MachineState *machine);
-bool machine_iommu(MachineState *machine);
 bool machine_kernel_irqchip_allowed(MachineState *machine);
 bool machine_kernel_irqchip_required(MachineState *machine);
 int machine_kvm_shadow_mem(MachineState *machine);
-- 
2.6.1