s390x fixes

- build error with old gcc versions
 - race between cmma reset and rom/loader resets
 - linux-user vs. cpu model
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Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20170201' into staging

s390x fixes

- build error with old gcc versions
- race between cmma reset and rom/loader resets
- linux-user vs. cpu model

# gpg: Signature made Wed 01 Feb 2017 08:24:47 GMT
# gpg:                using RSA key 0x117BBC80B5A61C7C
# gpg: Good signature from "Christian Borntraeger (IBM) <borntraeger@de.ibm.com>"
# Primary key fingerprint: F922 9381 A334 08F9 DBAB  FBCA 117B BC80 B5A6 1C7C

* remotes/borntraeger/tags/s390x-20170201:
  target/s390x: use "qemu" cpu model in user mode
  s390x/kvm: fix small race reboot vs. cmma
  s390-pci: fix compilation on older GCC versions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/s390x/s390-pci-bus.h

@@ -279,7 +279,7 @@ typedef struct S390PCIIOMMUTable {
     S390PCIIOMMU *iommu[PCI_SLOT_MAX];
 } S390PCIIOMMUTable;
 
-typedef struct S390PCIBusDevice {
+struct S390PCIBusDevice {
     DeviceState qdev;
     PCIDevice *pdev;
     ZpciState state;
@@ -301,7 +301,7 @@ typedef struct S390PCIBusDevice {
     IndAddr *indicator;
     QEMUTimer *release_timer;
     QTAILQ_ENTRY(S390PCIBusDevice) link;
-} S390PCIBusDevice;
+};
 
 typedef struct S390PCIBus {
     BusState qbus;

hw/s390x/s390-virtio.c

@@ -204,8 +204,8 @@ void s390_machine_reset(void)
 {
     S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
 
-    qemu_devices_reset();
     s390_cmma_reset();
+    qemu_devices_reset();
     s390_crypto_reset();
 
     /* all cpus are stopped - configure and start the ipl cpu only */

linux-user/main.c

@@ -4322,6 +4322,8 @@ int main(int argc, char **argv, char **envp)
 # endif
 #elif defined TARGET_SH4
         cpu_model = TYPE_SH7785_CPU;
+#elif defined TARGET_S390X
+        cpu_model = "qemu";
 #else
         cpu_model = "any";
 #endif