diff --git a/fs_mgr/fs_mgr_fstab.c b/fs_mgr/fs_mgr_fstab.c
index 6d44e06..dbdfdbc 100644
--- a/fs_mgr/fs_mgr_fstab.c
+++ b/fs_mgr/fs_mgr_fstab.c
@@ -32,6 +32,7 @@
     int partnum;
     int swap_prio;
     unsigned int zram_size;
+    int file_encryption_type;
 };
 
 struct flag_list {
@@ -63,7 +64,7 @@
     { "check",       MF_CHECK },
     { "encryptable=",MF_CRYPT },
     { "forceencrypt=",MF_FORCECRYPT },
-    { "fileencryption",MF_FILEENCRYPTION },
+    { "fileencryption=",MF_FILEENCRYPTION },
     { "forcefdeorfbe=",MF_FORCEFDEORFBE },
     { "nonremovable",MF_NONREMOVABLE },
     { "voldmanaged=",MF_VOLDMANAGED},
@@ -81,6 +82,12 @@
     { 0,             0 },
 };
 
+static struct flag_list encryption_types[] = {
+    {"software", ET_SOFTWARE},
+    {"ice", ET_ICE},
+    {0, 0}
+};
+
 static uint64_t calculate_zram_size(unsigned int percentage)
 {
     uint64_t total;
@@ -147,6 +154,21 @@
                      * location of the keys.  Get it and return it.
                      */
                     flag_vals->key_loc = strdup(strchr(p, '=') + 1);
+                    flag_vals->file_encryption_type = ET_SOFTWARE;
+                } else if ((fl[i].flag == MF_FILEENCRYPTION) && flag_vals) {
+                    /* The fileencryption flag is followed by an = and the
+                     * type of the encryption.  Get it and return it.
+                     */
+                    const struct flag_list *j;
+                    const char *type = strchr(p, '=') + 1;
+                    for (j = encryption_types; j->name; ++j) {
+                        if (!strcmp(type, j->name)) {
+                            flag_vals->file_encryption_type = j->flag;
+                        }
+                    }
+                    if (flag_vals->file_encryption_type == 0) {
+                        ERROR("Unknown file encryption type: %s\n", type);
+                    }
                 } else if ((fl[i].flag == MF_LENGTH) && flag_vals) {
                     /* The length flag is followed by an = and the
                      * size of the partition.  Get it and return it.
@@ -337,6 +359,7 @@
         fstab->recs[cnt].partnum = flag_vals.partnum;
         fstab->recs[cnt].swap_prio = flag_vals.swap_prio;
         fstab->recs[cnt].zram_size = flag_vals.zram_size;
+        fstab->recs[cnt].file_encryption_type = flag_vals.file_encryption_type;
         cnt++;
     }
     /* If an A/B partition, modify block device to be the real block device */
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 6f4580e..40cf91c 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -65,6 +65,7 @@
     int partnum;
     int swap_prio;
     unsigned int zram_size;
+    int file_encryption_type;
 };
 
 // Callback function for verity status
@@ -85,6 +86,10 @@
 
 #define FS_MGR_DOMNT_FAILED -1
 #define FS_MGR_DOMNT_BUSY -2
+
+#define ET_SOFTWARE 1
+#define ET_ICE      2
+
 int fs_mgr_do_mount(struct fstab *fstab, char *n_name, char *n_blk_device,
                     char *tmp_mount_point);
 int fs_mgr_do_tmpfs_mount(char *n_name);
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index 884ee17..017f3be 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -294,7 +294,7 @@
     case SP_AUDIO_APP:
     case SP_AUDIO_SYS:
         fd = fg_cpuset_fd;
-        boost_fd = fg_schedboost_fd;
+        boost_fd = bg_schedboost_fd;
         break;
     case SP_TOP_APP :
         fd = ta_cpuset_fd;
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index d53af2f..fd2b8b0 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -54,7 +54,7 @@
 #
 # create some directories (some are mount points) and symlinks
 LOCAL_POST_INSTALL_CMD := mkdir -p $(addprefix $(TARGET_ROOT_OUT)/, \
-    sbin dev proc sys system data oem acct cache config storage mnt root $(BOARD_ROOT_EXTRA_FOLDERS)); \
+    sbin dev proc sys system data oem acct config storage mnt root $(BOARD_ROOT_EXTRA_FOLDERS)); \
     ln -sf /system/etc $(TARGET_ROOT_OUT)/etc; \
     ln -sf /sys/kernel/debug $(TARGET_ROOT_OUT)/d; \
     ln -sf /storage/self/primary $(TARGET_ROOT_OUT)/sdcard
@@ -63,6 +63,11 @@
 else
   LOCAL_POST_INSTALL_CMD += ; ln -sf /system/vendor $(TARGET_ROOT_OUT)/vendor
 endif
+ifdef BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE
+  LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/cache
+else
+  LOCAL_POST_INSTALL_CMD += ; ln -sf /data/cache $(TARGET_ROOT_OUT)/cache
+endif
 ifdef BOARD_ROOT_EXTRA_SYMLINKS
 # BOARD_ROOT_EXTRA_SYMLINKS is a list of <target>:<link_name>.
   LOCAL_POST_INSTALL_CMD += $(foreach s, $(BOARD_ROOT_EXTRA_SYMLINKS),\
diff --git a/rootdir/init.zygote32.rc b/rootdir/init.zygote32.rc
index 22b9d6b..b41af92 100644
--- a/rootdir/init.zygote32.rc
+++ b/rootdir/init.zygote32.rc
@@ -7,4 +7,4 @@
     onrestart restart cameraserver
     onrestart restart media
     onrestart restart netd
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
diff --git a/rootdir/init.zygote32_64.rc b/rootdir/init.zygote32_64.rc
index 555eda4..2914f07 100644
--- a/rootdir/init.zygote32_64.rc
+++ b/rootdir/init.zygote32_64.rc
@@ -7,10 +7,10 @@
     onrestart restart cameraserver
     onrestart restart media
     onrestart restart netd
-    writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
 
 service zygote_secondary /system/bin/app_process64 -Xzygote /system/bin --zygote --socket-name=zygote_secondary
     class main
     socket zygote_secondary stream 660 root system
     onrestart restart zygote
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
diff --git a/rootdir/init.zygote64.rc b/rootdir/init.zygote64.rc
index 297468c..2cc0966 100644
--- a/rootdir/init.zygote64.rc
+++ b/rootdir/init.zygote64.rc
@@ -7,4 +7,4 @@
     onrestart restart cameraserver
     onrestart restart media
     onrestart restart netd
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
diff --git a/rootdir/init.zygote64_32.rc b/rootdir/init.zygote64_32.rc
index 46f9f02..a422fcc 100644
--- a/rootdir/init.zygote64_32.rc
+++ b/rootdir/init.zygote64_32.rc
@@ -7,10 +7,10 @@
     onrestart restart cameraserver
     onrestart restart media
     onrestart restart netd
-    writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
 
 service zygote_secondary /system/bin/app_process32 -Xzygote /system/bin --zygote --socket-name=zygote_secondary
     class main
     socket zygote_secondary stream 660 root system
     onrestart restart zygote
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks