qemu: Enable PCI multi bus for S390 guests

QEMU on s390 supports PCI multibus since forever.

Signed-off-by: Yi Min Zhao <zyimin@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Stefan Zimmermann <stzi@linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index eed27f6878db98374efa315fcd247551252776ae..8294e1b4a8c93103e13abddc06a35803cc8921a9 100644 (file)
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -1702,6 +1702,10 @@ bool virQEMUCapsHasPCIMultiBus(virQEMUCapsPtr qemuCaps,
         return false;
     }
 
+    /* S390 supports PCI-multibus. */
+    if (ARCH_IS_S390(def->os.arch))
+        return true;
+
     /* If ARM 'virt' supports PCI, it supports multibus.
      * No extra conditions here for simplicity.
      */