scripts/kvm/kvm_stat: Mark globals in functions

Updating globals over the globals().update() method is not the
standard way of changing globals. Marking variables as global and
modifying them the standard way is better readable.
Signed-off-by: NJanosch Frank <frankja@linux.vnet.ibm.com>
Message-Id: <1452525484-32309-6-git-send-email-frankja@linux.vnet.ibm.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

scripts/kvm/kvm_stat

@@ -237,31 +237,34 @@ IOCTL_NUMBERS = {
 }
 
 def x86_init(flag):
-    globals().update({
-        'SC_PERF_EVT_OPEN' : 298,
-        'EXIT_REASONS' : X86_EXIT_REASONS[flag],
-    })
+    global SC_PERF_EVT_OPEN
+    global EXIT_REASONS
+
+    SC_PERF_EVT_OPEN = 298
+    EXIT_REASONS = X86_EXIT_REASONS[flag]
 
 def s390_init():
-    globals().update({
-        'SC_PERF_EVT_OPEN' : 331
-    })
+    global SC_PERF_EVT_OPEN
+
+    SC_PERF_EVT_OPEN = 331
 
 def ppc_init():
-    globals().update({
-        'SC_PERF_EVT_OPEN' : 319,
-        'IOCTL_NUMBERS' : {
-            'SET_FILTER' : 0x80002406 | (ctypes.sizeof(ctypes.c_char_p) << 16),
-            'ENABLE'     : 0x20002400,
-            'DISABLE'    : 0x20002401,
-        }
-    })
+    global SC_PERF_EVT_OPEN
+    global IOCTL_NUMBERS
+
+    SC_PERF_EVT_OPEN = 319
+
+    IOCTL_NUMBERS['ENABLE'] = 0x20002400
+    IOCTL_NUMBERS['DISABLE'] = 0x20002401
+    IOCTL_NUMBERS['SET_FILTER'] = 0x80002406 | (ctypes.sizeof(ctypes.c_char_p)
+                                                << 16)
 
 def aarch64_init():
-    globals().update({
-        'SC_PERF_EVT_OPEN' : 241,
-        'EXIT_REASONS' : AARCH64_EXIT_REASONS,
-    })
+    global SC_PERF_EVT_OPEN
+    global EXIT_REASONS
+
+    SC_PERF_EVT_OPEN = 241
+    EXIT_REASONS = AARCH64_EXIT_REASONS
 
 def detect_platform():
     if os.uname()[4].startswith('ppc'):