Fix -enable-kvm

Make vl.o compiled per target and fix a thinko in hw/acpi.c.  It's not trivial
to make kvm.h consumable by compiled-once files.
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Makefile.objs

@@ -128,7 +128,7 @@ user-obj-y += cutils.o cache-utils.o
 # libhw
 
 hw-obj-y =
-hw-obj-y += vl.o loader.o
+hw-obj-y += loader.o
 hw-obj-y += virtio.o virtio-console.o
 hw-obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o
 hw-obj-y += fw_cfg.o pci.o pci_host.o pcie_host.o

Makefile.target

@@ -161,7 +161,7 @@ endif #CONFIG_BSD_USER
 # System emulator target
 ifdef CONFIG_SOFTMMU
 
-obj-y = arch_init.o cpus.o monitor.o machine.o gdbstub.o
+obj-y = arch_init.o cpus.o monitor.o machine.o gdbstub.o vl.o
 # virtio has to be here due to weird dependency between PCI and virtio-net.
 # need to fix this properly
 obj-y += virtio-blk.o virtio-balloon.o virtio-net.o virtio-serial-bus.o

hw/acpi.c

@@ -529,7 +529,8 @@ i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
 
     register_ioport_write(ACPI_DBG_IO_ADDR, 4, 4, acpi_dbg_writel, s);
 
-    if (kvm_enabled) {
+    s->kvm_enabled = kvm_enabled;
+    if (s->kvm_enabled) {
         /* Mark SMM as already inited to prevent SMM from running.  KVM does not
          * support SMM mode. */
         pci_conf[0x5B] = 0x02;