Avoid allocating TCG resources in non-TCG mode

Do not allocate TCG-only resources like the translation buffer when
running over KVM or XEN. Saves a "few" bytes in the qemu address space
and is also conceptually cleaner.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/linux-user/main.c b/linux-user/main.c
index 6a8f4bd..8e15474 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -3117,7 +3117,8 @@
         cpu_model = "any";
 #endif
     }
-    cpu_exec_init_all(0);
+    tcg_exec_init(0);
+    cpu_exec_init_all();
     /* NOTE: we need to init the CPU at this stage to get
        qemu_host_page_size */
     env = cpu_init(cpu_model);