diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index 8e9edd9..16bedb5 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -53,7 +53,7 @@
 #define AID_KEYSTORE      1017  /* keystore subsystem */
 #define AID_USB           1018  /* USB devices */
 #define AID_DRM           1019  /* DRM server */
-#define AID_AVAILABLE     1020  /* available for use */
+#define AID_MDNSR         1020  /* MulticastDNSResponder (service discovery) */
 #define AID_GPS           1021  /* GPS daemon */
 #define AID_UNUSED1       1022  /* deprecated, DO NOT USE */
 #define AID_MEDIA_RW      1023  /* internal media storage write access */
@@ -111,7 +111,7 @@
     { "install",   AID_INSTALL, },
     { "media",     AID_MEDIA, },
     { "drm",       AID_DRM, },
-    { "available", AID_AVAILABLE, },
+    { "mdnsr",     AID_MDNSR, },
     { "nfc",       AID_NFC, },
     { "drmrpc",    AID_DRMRPC, },
     { "shell",     AID_SHELL, },
diff --git a/include/system/window.h b/include/system/window.h
index 08ae114..8daa44b 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -157,9 +157,10 @@
 
 
     /*
-     * Default width and height of the ANativeWindow, these are the dimensions
-     * of the window irrespective of the NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS
-     * call.
+     * Default width and height of ANativeWindow buffers, these are the
+     * dimensions of the window buffers irrespective of the
+     * NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS call and match the native window
+     * size unless overriden by NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS.
      */
     NATIVE_WINDOW_DEFAULT_WIDTH = 6,
     NATIVE_WINDOW_DEFAULT_HEIGHT = 7,
@@ -231,6 +232,7 @@
     NATIVE_WINDOW_UNLOCK_AND_POST           = 12,   /* private */
     NATIVE_WINDOW_API_CONNECT               = 13,   /* private */
     NATIVE_WINDOW_API_DISCONNECT            = 14,   /* private */
+    NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS = 15, /* private */
 };
 
 /* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -421,6 +423,7 @@
      *     NATIVE_WINDOW_UNLOCK_AND_POST        (private)
      *     NATIVE_WINDOW_API_CONNECT            (private)
      *     NATIVE_WINDOW_API_DISCONNECT         (private)
+     *     NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS (private)
      *
      */
 
@@ -531,7 +534,7 @@
 /*
  * native_window_set_buffers_dimensions(..., int w, int h)
  * All buffers dequeued after this call will have the dimensions specified.
- * In particular, all buffers will have a fixed-size, independent form the
+ * In particular, all buffers will have a fixed-size, independent from the
  * native-window size. They will be scaled according to the scaling mode
  * (see native_window_set_scaling_mode) upon window composition.
  *
@@ -550,6 +553,31 @@
 }
 
 /*
+ * native_window_set_buffers_user_dimensions(..., int w, int h)
+ *
+ * Sets the user buffer size for the window, which overrides the
+ * window's size.  All buffers dequeued after this call will have the
+ * dimensions specified unless overridden by
+ * native_window_set_buffers_dimensions.  All buffers will have a
+ * fixed-size, independent from the native-window size. They will be
+ * scaled according to the scaling mode (see
+ * native_window_set_scaling_mode) upon window composition.
+ *
+ * If w and h are 0, the normal behavior is restored. That is, the
+ * default buffer size will match the windows's size.
+ *
+ * Calling this function will reset the window crop to a NULL value, which
+ * disables cropping of the buffers.
+ */
+static inline int native_window_set_buffers_user_dimensions(
+        struct ANativeWindow* window,
+        int w, int h)
+{
+    return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS,
+            w, h);
+}
+
+/*
  * native_window_set_buffers_format(..., int format)
  * All buffers dequeued after this call will have the format specified.
  *
diff --git a/include/sysutils/NetlinkEvent.h b/include/sysutils/NetlinkEvent.h
index 25a56f7..3494a9c 100644
--- a/include/sysutils/NetlinkEvent.h
+++ b/include/sysutils/NetlinkEvent.h
@@ -34,6 +34,8 @@
     const static int NlActionChange;
     const static int NlActionLinkDown;
     const static int NlActionLinkUp;
+    const static int NlActionIfaceActive;
+    const static int NlActionIfaceIdle;
 
     NetlinkEvent();
     virtual ~NetlinkEvent();
diff --git a/libsysutils/src/NetlinkEvent.cpp b/libsysutils/src/NetlinkEvent.cpp
index 4beebb7..6439711 100644
--- a/libsysutils/src/NetlinkEvent.cpp
+++ b/libsysutils/src/NetlinkEvent.cpp
@@ -25,6 +25,7 @@
 #include <sys/socket.h>
 #include <linux/if.h>
 #include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/xt_IDLETIMER.h>
 #include <linux/netfilter_ipv4/ipt_ULOG.h>
 /* From kernel's net/netfilter/xt_quota2.c */
 const int QLOG_NL_EVENT  = 112;
@@ -38,6 +39,8 @@
 const int NetlinkEvent::NlActionChange = 3;
 const int NetlinkEvent::NlActionLinkUp = 4;
 const int NetlinkEvent::NlActionLinkDown = 5;
+const int NetlinkEvent::NlActionIfaceActive = 6;
+const int NetlinkEvent::NlActionIfaceIdle = 7;
 
 NetlinkEvent::NetlinkEvent() {
     mAction = NlActionUnknown;
@@ -70,7 +73,8 @@
 }
 
 /*
- * Parse an binary message from a NETLINK_ROUTE netlink socket.
+ * Parse an binary message from a NETLINK_ROUTE netlink socket
+ * and IDLETIMER netlink socket.
  */
 bool NetlinkEvent::parseBinaryNetlinkMessage(char *buffer, int size) {
     size_t sz = size;
@@ -127,6 +131,14 @@
             mSubsystem = strdup("qlog");
             mAction = NlActionChange;
 
+        } else if (nh->nlmsg_type == NL_EVENT_TYPE_ACTIVE
+                   || nh->nlmsg_type == NL_EVENT_TYPE_INACTIVE) {
+            char *ifacename;
+            ifacename = (char *)NLMSG_DATA(nh);
+            asprintf(&mParams[0], "INTERFACE=%s", ifacename);
+            mSubsystem = strdup("idletimer");
+            mAction = (nh->nlmsg_type == NL_EVENT_TYPE_ACTIVE) ?
+              NlActionIfaceActive : NlActionIfaceIdle;
         } else {
                 SLOGD("Unexpected netlink message. type=0x%x\n", nh->nlmsg_type);
         }
diff --git a/rootdir/init.rc b/rootdir/init.rc
index dfe2479..90739c0 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -242,6 +242,20 @@
     chmod 0660 /sys/power/state
     chmod 0660 /sys/power/wake_lock
     chmod 0660 /sys/power/wake_unlock
+
+    chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_rate
+    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_rate
+    chown system system /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
+    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
+    chown system system /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
+    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
+    chown system system /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
+    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
+
+    # Assume SMP uses shared cpufreq policy for all CPUs
+    chown system system /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
+    chmod 0660 /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
+
     chown system system /sys/class/timed_output/vibrator/enable
     chown system system /sys/class/leds/keyboard-backlight/brightness
     chown system system /sys/class/leds/lcd-backlight/brightness
@@ -402,6 +416,7 @@
     class main
     socket netd stream 0660 root system
     socket dnsproxyd stream 0660 root inet
+    socket mdns stream 0660 root system
 
 service debuggerd /system/bin/debuggerd
     class main
@@ -499,3 +514,12 @@
 service sshd /system/bin/start-ssh
     class main
     disabled
+
+service mdnsd /system/bin/mdnsd
+    class main
+    user mdnsr
+    group inet net_raw
+    socket mdnsd stream 0660 mdnsr inet
+    disabled
+    oneshot
+