diff --git a/fs_mgr/fs_mgr_verity.cpp b/fs_mgr/fs_mgr_verity.cpp
index 129a5bb..72554a8 100644
--- a/fs_mgr/fs_mgr_verity.cpp
+++ b/fs_mgr/fs_mgr_verity.cpp
@@ -30,6 +30,7 @@
 #include <unistd.h>
 
 #include <android-base/file.h>
+#include <android-base/strings.h>
 #include <crypto_utils/android_pubkey.h>
 #include <cutils/properties.h>
 #include <logwrap/logwrap.h>
@@ -211,7 +212,7 @@
 }
 
 struct verity_table_params {
-    const char *table;
+    char *table;
     int mode;
     struct fec_ecc_metadata ecc;
     const char *ecc_dev;
@@ -843,15 +844,42 @@
     return rc;
 }
 
+static void update_verity_table_blk_device(char *blk_device, char **table)
+{
+    std::string result, word;
+    auto tokens = android::base::Split(*table, " ");
+
+    for (const auto token : tokens) {
+        if (android::base::StartsWith(token, "/dev/block/") &&
+            android::base::StartsWith(blk_device, token.c_str())) {
+            word = blk_device;
+        } else {
+            word = token;
+        }
+
+        if (result.empty()) {
+            result = word;
+        } else {
+            result += " " + word;
+        }
+    }
+
+    if (result.empty()) {
+        return;
+    }
+
+    free(*table);
+    *table = strdup(result.c_str());
+}
+
 int fs_mgr_setup_verity(struct fstab_rec *fstab)
 {
     int retval = FS_MGR_SETUP_VERITY_FAIL;
     int fd = -1;
-    char *invalid_table = NULL;
     char *verity_blk_name = NULL;
     struct fec_handle *f = NULL;
     struct fec_verity_metadata verity;
-    struct verity_table_params params;
+    struct verity_table_params params = { .table = NULL };
 
     alignas(dm_ioctl) char buffer[DM_BUF_SIZE];
     struct dm_ioctl *io = (struct dm_ioctl *) buffer;
@@ -912,8 +940,17 @@
         params.mode = VERITY_MODE_EIO;
     }
 
+    if (!verity.table) {
+        goto out;
+    }
+
+    params.table = strdup(verity.table);
+    if (!params.table) {
+        goto out;
+    }
+
     // verify the signature on the table
-    if (verify_table(verity.signature, sizeof(verity.signature), verity.table,
+    if (verify_table(verity.signature, sizeof(verity.signature), params.table,
             verity.table_length) < 0) {
         if (params.mode == VERITY_MODE_LOGGING) {
             // the user has been warned, allow mounting without dm-verity
@@ -922,20 +959,18 @@
         }
 
         // invalidate root hash and salt to trigger device-specific recovery
-        invalid_table = strdup(verity.table);
-
-        if (!invalid_table ||
-                invalidate_table(invalid_table, verity.table_length) < 0) {
+        if (invalidate_table(params.table, verity.table_length) < 0) {
             goto out;
         }
-
-        params.table = invalid_table;
-    } else {
-        params.table = verity.table;
     }
 
     INFO("Enabling dm-verity for %s (mode %d)\n", mount_point, params.mode);
 
+    if (fstab->fs_mgr_flags & MF_SLOTSELECT) {
+        // Update the verity params using the actual block device path
+        update_verity_table_blk_device(fstab->blk_device, &params.table);
+    }
+
     // load the verity mapping table
     if (load_verity_table(io, mount_point, verity.data_size, fd, &params,
             format_verity_table) == 0) {
@@ -1001,7 +1036,7 @@
     }
 
     fec_close(f);
-    free(invalid_table);
+    free(params.table);
     free(verity_blk_name);
 
     return retval;
diff --git a/include/cutils/ashmem.h b/include/cutils/ashmem.h
index 25b233e..acedf73 100644
--- a/include/cutils/ashmem.h
+++ b/include/cutils/ashmem.h
@@ -12,6 +12,10 @@
 
 #include <stddef.h>
 
+#if defined(__BIONIC__)
+#include <linux/ashmem.h>
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -26,20 +30,4 @@
 }
 #endif
 
-#ifndef __ASHMEMIOC	/* in case someone included <linux/ashmem.h> too */
-
-#define ASHMEM_NAME_LEN		256
-
-#define ASHMEM_NAME_DEF		"dev/ashmem"
-
-/* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */
-#define ASHMEM_NOT_PURGED	0
-#define ASHMEM_WAS_PURGED	1
-
-/* Return values from ASHMEM_UNPIN: Is the mapping now pinned or unpinned? */
-#define ASHMEM_IS_UNPINNED	0
-#define ASHMEM_IS_PINNED	1
-
-#endif	/* ! __ASHMEMIOC */
-
 #endif	/* _CUTILS_ASHMEM_H */
diff --git a/libcutils/ashmem-host.c b/libcutils/ashmem-host.c
index c85f06b..1f9f753 100644
--- a/libcutils/ashmem-host.c
+++ b/libcutils/ashmem-host.c
@@ -62,12 +62,12 @@
 
 int ashmem_pin_region(int fd __unused, size_t offset __unused, size_t len __unused)
 {
-    return ASHMEM_NOT_PURGED;
+    return 0 /*ASHMEM_NOT_PURGED*/;
 }
 
 int ashmem_unpin_region(int fd __unused, size_t offset __unused, size_t len __unused)
 {
-    return ASHMEM_IS_UNPINNED;
+    return 0 /*ASHMEM_IS_UNPINNED*/;
 }
 
 int ashmem_get_size_region(int fd)
diff --git a/libnativeloader/native_loader.cpp b/libnativeloader/native_loader.cpp
index 927cbec..79518ca 100644
--- a/libnativeloader/native_loader.cpp
+++ b/libnativeloader/native_loader.cpp
@@ -99,9 +99,7 @@
                                   nullptr,
                                   library_path.c_str(),
                                   namespace_type,
-                                  java_permitted_path != nullptr ?
-                                      permitted_path.c_str() :
-                                      nullptr);
+                                  permitted_path.c_str());
 
     if (ns != nullptr) {
       namespaces_.push_back(std::make_pair(env->NewWeakGlobalRef(class_loader), ns));
diff --git a/libpixelflinger/scanline.cpp b/libpixelflinger/scanline.cpp
index f48e1d0..aa18360 100644
--- a/libpixelflinger/scanline.cpp
+++ b/libpixelflinger/scanline.cpp
@@ -26,10 +26,6 @@
 #include <cutils/memory.h>
 #include <cutils/log.h>
 
-#ifdef __arm__
-#include <machine/cpu-features.h>
-#endif
-
 #include "buffer.h"
 #include "scanline.h"
 
diff --git a/libutils/SystemClock.cpp b/libutils/SystemClock.cpp
index c5ae327..965e32c 100644
--- a/libutils/SystemClock.cpp
+++ b/libutils/SystemClock.cpp
@@ -19,18 +19,13 @@
  * System clock functions.
  */
 
-#if defined(__ANDROID__)
-#include <linux/ioctl.h>
-#include <linux/rtc.h>
-#include <utils/Atomic.h>
-#include <linux/android_alarm.h>
-#endif
-
 #include <sys/time.h>
 #include <limits.h>
 #include <fcntl.h>
 #include <string.h>
+#include <errno.h>
 
+#include <cutils/compiler.h>
 #include <utils/SystemClock.h>
 #include <utils/Timers.h>
 
@@ -61,30 +56,16 @@
  */
 int64_t elapsedRealtimeNano()
 {
-#if defined(__ANDROID__)
-    static int s_fd = -1;
-
-    if (s_fd == -1) {
-        int fd = open("/dev/alarm", O_RDONLY);
-        if (android_atomic_cmpxchg(-1, fd, &s_fd)) {
-            close(fd);
-        }
-    }
-
+#if defined(__linux__)
     struct timespec ts;
-    if (ioctl(s_fd, ANDROID_ALARM_GET_TIME(ANDROID_ALARM_ELAPSED_REALTIME), &ts) == 0) {
-        return seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec;
+    int err = clock_gettime(CLOCK_BOOTTIME, &ts);
+    if (CC_UNLIKELY(err)) {
+        // This should never happen, but just in case ...
+        ALOGE("clock_gettime(CLOCK_BOOTTIME) failed: %s", strerror(errno));
+        return 0;
     }
 
-    // /dev/alarm doesn't exist, fallback to CLOCK_BOOTTIME
-    if (clock_gettime(CLOCK_BOOTTIME, &ts) == 0) {
-        return seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec;
-    }
-
-    // XXX: there was an error, probably because the driver didn't
-    // exist ... this should return
-    // a real error, like an exception!
-    return systemTime(SYSTEM_TIME_MONOTONIC);
+    return seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec;
 #else
     return systemTime(SYSTEM_TIME_MONOTONIC);
 #endif
diff --git a/libutils/tests/Android.mk b/libutils/tests/Android.mk
index 8f07f1a..21fe19c 100644
--- a/libutils/tests/Android.mk
+++ b/libutils/tests/Android.mk
@@ -28,6 +28,7 @@
     LruCache_test.cpp \
     String8_test.cpp \
     StrongPointer_test.cpp \
+    SystemClock_test.cpp \
     Unicode_test.cpp \
     Vector_test.cpp \
 
diff --git a/libutils/tests/SystemClock_test.cpp b/libutils/tests/SystemClock_test.cpp
new file mode 100644
index 0000000..5ad060b
--- /dev/null
+++ b/libutils/tests/SystemClock_test.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+#include <utils/SystemClock.h>
+
+#include <gtest/gtest.h>
+
+static const auto MS_IN_NS = 1000000;
+
+static const int64_t SLEEP_MS = 500;
+static const int64_t SLEEP_NS = SLEEP_MS * MS_IN_NS;
+// Conservatively assume that we might be descheduled for up to 50 ms
+static const int64_t SLACK_MS = 50;
+static const int64_t SLACK_NS = SLACK_MS * MS_IN_NS;
+
+TEST(SystemClock, SystemClock) {
+    auto startUptimeMs = android::uptimeMillis();
+    auto startRealtimeMs = android::elapsedRealtime();
+    auto startRealtimeNs = android::elapsedRealtimeNano();
+
+    ASSERT_GT(startUptimeMs, 0)
+            << "uptimeMillis() reported an impossible uptime";
+    ASSERT_GE(startRealtimeMs, startUptimeMs)
+            << "elapsedRealtime() thinks we've suspended for negative time";
+    ASSERT_GE(startRealtimeNs, startUptimeMs * MS_IN_NS)
+            << "elapsedRealtimeNano() thinks we've suspended for negative time";
+
+    ASSERT_GE(startRealtimeNs, startRealtimeMs * MS_IN_NS)
+            << "elapsedRealtime() and elapsedRealtimeNano() are inconsistent";
+    ASSERT_LT(startRealtimeNs, (startRealtimeMs + SLACK_MS) * MS_IN_NS)
+            << "elapsedRealtime() and elapsedRealtimeNano() are inconsistent";
+
+    timespec ts;
+    ts.tv_sec = 0;
+    ts.tv_nsec = SLEEP_MS * MS_IN_NS;
+    auto nanosleepErr = TEMP_FAILURE_RETRY(nanosleep(&ts, nullptr));
+    ASSERT_EQ(nanosleepErr, 0) << "nanosleep() failed: " << strerror(errno);
+
+    auto endUptimeMs = android::uptimeMillis();
+    auto endRealtimeMs = android::elapsedRealtime();
+    auto endRealtimeNs = android::elapsedRealtimeNano();
+
+    EXPECT_GE(endUptimeMs - startUptimeMs, SLEEP_MS)
+            << "uptimeMillis() advanced too little after nanosleep()";
+    EXPECT_LT(endUptimeMs - startUptimeMs, SLEEP_MS + SLACK_MS)
+            << "uptimeMillis() advanced too much after nanosleep()";
+    EXPECT_GE(endRealtimeMs - startRealtimeMs, SLEEP_MS)
+            << "elapsedRealtime() advanced too little after nanosleep()";
+    EXPECT_LT(endRealtimeMs - startRealtimeMs, SLEEP_MS + SLACK_MS)
+            << "elapsedRealtime() advanced too much after nanosleep()";
+    EXPECT_GE(endRealtimeNs - startRealtimeNs, SLEEP_NS)
+            << "elapsedRealtimeNano() advanced too little after nanosleep()";
+    EXPECT_LT(endRealtimeNs - startRealtimeNs, SLEEP_NS + SLACK_NS)
+            << "elapsedRealtimeNano() advanced too much after nanosleep()";
+
+    EXPECT_GE(endRealtimeNs, endRealtimeMs * MS_IN_NS)
+            << "elapsedRealtime() and elapsedRealtimeNano() are inconsistent after nanosleep()";
+    EXPECT_LT(endRealtimeNs, (endRealtimeMs + SLACK_MS) * MS_IN_NS)
+            << "elapsedRealtime() and elapsedRealtimeNano() are inconsistent after nanosleep()";
+}
diff --git a/rootdir/init.usb.configfs.rc b/rootdir/init.usb.configfs.rc
index 186384b..e19b058 100644
--- a/rootdir/init.usb.configfs.rc
+++ b/rootdir/init.usb.configfs.rc
@@ -1,6 +1,7 @@
 on property:sys.usb.config=none && property:sys.usb.configfs=1
     write /config/usb_gadget/g1/UDC "none"
     stop adbd
+    setprop sys.usb.ffs.ready 0
     write /config/usb_gadget/g1/bDeviceClass 0
     write /config/usb_gadget/g1/bDeviceSubClass 0
     write /config/usb_gadget/g1/bDeviceProtocol 0