[PATCH 5/5] kvm: check before accessing PCMachineState fields

[Paolo Bonzini]

Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 roms/SLOF         |  2 +-
 target/i386/kvm.c | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/roms/SLOF b/roms/SLOF
index 8ebf2f5..bcc3c4e 160000
--- a/roms/SLOF
+++ b/roms/SLOF
@@ -1 +1 @@
-Subproject commit 8ebf2f55e1ba1492b942ba4b682160e644fc0f98
+Subproject commit bcc3c4e5c21a015f4680894c4ec978a90d4a2d69
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index ef63f3a..2ad5a94 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -49,6 +49,7 @@
 #include "migration/blocker.h"
 #include "exec/memattrs.h"
 #include "trace.h"
+#include "config-devices.h"
 
 //#define DEBUG_KVM
 
@@ -2172,9 +2173,15 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
         }
     }
 
-    if (kvm_check_extension(s, KVM_CAP_X86_SMM) &&
+    if (
+#ifdef CONFIG_PC
+        kvm_check_extension(s, KVM_CAP_X86_SMM) &&
         object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE) &&
-        pc_machine_is_smm_enabled(PC_MACHINE(ms))) {
+        pc_machine_is_smm_enabled(PC_MACHINE(ms))
+#else
+       0
+#endif
+       ) {
         smram_machine_done.notify = register_smram_listener;
         qemu_add_machine_init_done_notifier(&smram_machine_done);
     }
-- 
1.8.3.1