pvpanic: create pvpanic by default for machine 1.5

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: f840042f0e1205041f8feaf0d39ca639884f3a00.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 14b504c..dd6bc24 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -171,6 +171,9 @@
 extern bool pc_sysfw_flash_vs_rom_bug_compatible;
 void pc_system_firmware_init(MemoryRegion *rom_memory);
 
+/* pvpanic.c */
+int pvpanic_init(ISABus *bus);
+
 /* e820 types */
 #define E820_RAM        1
 #define E820_RESERVED   2