diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index e4d6986..9f52f44 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -822,9 +822,6 @@
     if (read_only) {
         mountflags |= MS_RDONLY;
     }
-    if (!fs_mgr_set_blk_ro(source, read_only)) {
-        PLOG(ERROR) << "Failed to set " << source << " as " << (read_only ? "RO" : "RW");
-    }
     int ret = 0;
     int save_errno = 0;
     int gc_allowance = 0;
@@ -879,6 +876,9 @@
     }
     PINFO << __FUNCTION__ << "(source=" << source << source_missing << ",target=" << target
           << target_missing << ",type=" << entry.fs_type << ")=" << ret;
+    if ((ret == 0) && (mountflags & MS_RDONLY) != 0) {
+        fs_mgr_set_blk_ro(source);
+    }
     if (ret == 0) {
         android::base::SetProperty("ro.boottime.init.mount." + Basename(target),
                                    std::to_string(t.duration().count()));
diff --git a/fs_mgr/libsnapshot/snapuserd/Android.bp b/fs_mgr/libsnapshot/snapuserd/Android.bp
index 97cfe76..639116e 100644
--- a/fs_mgr/libsnapshot/snapuserd/Android.bp
+++ b/fs_mgr/libsnapshot/snapuserd/Android.bp
@@ -89,7 +89,6 @@
         "libprocessgroup_util",
         "libjsoncpp",
     ],
-    include_dirs: ["bionic/libc/kernel"],
     export_include_dirs: ["include"],
     header_libs: [
         "libcutils_headers",
@@ -144,7 +143,6 @@
         "libstorage_literals_headers",
     ],
 
-    include_dirs: ["bionic/libc/kernel"],
     system_shared_libs: [],
 
     // snapuserd is started during early boot by first-stage init. At that
@@ -226,7 +224,6 @@
         "libz",
     ],
     include_dirs: [
-        "bionic/libc/kernel",
         ".",
     ],
     header_libs: [
@@ -324,7 +321,6 @@
         "libz",
     ],
     include_dirs: [
-        "bionic/libc/kernel",
         ".",
     ],
     header_libs: [
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/merge_worker.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/merge_worker.cpp
index 486548c..a0c5c66 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/merge_worker.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/merge_worker.cpp
@@ -582,7 +582,6 @@
     pthread_setname_np(pthread_self(), "MergeWorker");
 
     if (!snapuserd_->WaitForMergeBegin()) {
-        SNAP_LOG(ERROR) << "Merge terminated early...";
         return true;
     }
     auto merge_thread_priority = android::base::GetUintProperty<uint32_t>(
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp
index 9a1d441..3007d45 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_readahead.cpp
@@ -702,7 +702,7 @@
     // window. If there is a crash during this time frame, merge should resume
     // based on the contents of the scratch space.
     if (!snapuserd_->WaitForMergeReady()) {
-        SNAP_LOG(ERROR) << "ReadAhead failed to wait for merge ready";
+        SNAP_LOG(VERBOSE) << "ReadAhead failed to wait for merge ready";
         return false;
     }
 
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_transitions.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_transitions.cpp
index 2ad4ea1..714c641 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_transitions.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_transitions.cpp
@@ -202,7 +202,7 @@
     cv.wait(lock, [this]() -> bool { return MergeInitiated() || IsMergeBeginError(io_state_); });
 
     if (IsMergeBeginError(io_state_)) {
-        SNAP_LOG(ERROR) << "WaitForMergeBegin failed with state: " << io_state_;
+        SNAP_LOG(VERBOSE) << "WaitForMergeBegin failed with state: " << io_state_;
         return false;
     }
 
@@ -276,7 +276,9 @@
         if (io_state_ == MERGE_IO_TRANSITION::MERGE_FAILED ||
             io_state_ == MERGE_IO_TRANSITION::MERGE_COMPLETE ||
             io_state_ == MERGE_IO_TRANSITION::IO_TERMINATED) {
-            SNAP_LOG(ERROR) << "Wait for merge ready failed: " << io_state_;
+            if (io_state_ == MERGE_IO_TRANSITION::MERGE_FAILED) {
+                SNAP_LOG(ERROR) << "Wait for merge ready failed: " << io_state_;
+            }
             return false;
         }
         return true;
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_verify.h b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_verify.h
index 7c99085..b300a70 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_verify.h
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_verify.h
@@ -62,8 +62,8 @@
      * (/proc/pressure/{cpu,memory}; and monitoring the Inactive(file) and
      * Active(file) pages from /proc/meminfo.
      *
-     * Additionally, for low memory devices, it is advisible to use O_DIRECT
-     * fucntionality for source block device.
+     * Additionally, for low memory devices, it is advisable to use O_DIRECT
+     * functionality for source block device.
      */
     int kMinThreadsToVerify = 1;
     int kMaxThreadsToVerify = 3;
diff --git a/init/devices.cpp b/init/devices.cpp
index 2cdecec..fafa58f 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -193,9 +193,11 @@
     BlockDeviceInfo info;
 
     if (!boot_part_uuid_.empty()) {
-        // Only use the more specific "MMC" or "SCSI" match if a partition UUID
-        // was passed. Old bootloaders that aren't passing the partition UUID
-        // instead pass the path to the closest "platform" device. It would
+        // Only use the more specific "MMC" / "NVME" / "SCSI" match if a
+        // partition UUID was passed.
+        //
+        // Old bootloaders that aren't passing the partition UUID instead
+        // pass the path to the closest "platform" device. It would
         // break them if we chose this deeper (more specific) path.
         //
         // When we have a UUID we _want_ the more specific path since it can
@@ -204,6 +206,8 @@
         // classify them both the same by using the path to the USB controller.
         if (FindMmcDevice(uevent_path, &info.str)) {
             info.type = "mmc";
+        } else if (FindNvmeDevice(uevent_path, &info.str)) {
+            info.type = "nvme";
         } else if (FindScsiDevice(uevent_path, &info.str)) {
             info.type = "scsi";
         }
@@ -325,6 +329,14 @@
     return FindSubsystemDevice(path, mmc_device_path, subsystem_paths);
 }
 
+bool DeviceHandler::FindNvmeDevice(const std::string& path, std::string* nvme_device_path) const {
+    const std::set<std::string> subsystem_paths = {
+            sysfs_mount_point_ + "/class/nvme",
+    };
+
+    return FindSubsystemDevice(path, nvme_device_path, subsystem_paths);
+}
+
 bool DeviceHandler::FindScsiDevice(const std::string& path, std::string* scsi_device_path) const {
     const std::set<std::string> subsystem_paths = {
             sysfs_mount_point_ + "/bus/scsi",
diff --git a/init/devices.h b/init/devices.h
index 67a3d00..b8f8e54 100644
--- a/init/devices.h
+++ b/init/devices.h
@@ -151,6 +151,7 @@
                              const std::set<std::string>& subsystem_paths) const;
     bool FindPlatformDevice(const std::string& path, std::string* platform_device_path) const;
     bool FindMmcDevice(const std::string& path, std::string* mmc_device_path) const;
+    bool FindNvmeDevice(const std::string& path, std::string* nvme_device_path) const;
     bool FindScsiDevice(const std::string& path, std::string* scsi_device_path) const;
     std::tuple<mode_t, uid_t, gid_t> GetDevicePermissions(
         const std::string& path, const std::vector<std::string>& links) const;
diff --git a/init/init.cpp b/init/init.cpp
index 17498da..5b0b0dd 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -315,8 +315,7 @@
         if (apex_info_list.has_value()) {
             std::vector<std::string> subcontext_apexes;
             for (const auto& info : apex_info_list->getApexInfo()) {
-                if (info.hasPreinstalledModulePath() &&
-                    subcontext->PathMatchesSubcontext(info.getPreinstalledModulePath())) {
+                if (subcontext->PartitionMatchesSubcontext(info.getPartition())) {
                     subcontext_apexes.push_back(info.getModuleName());
                 }
             }
diff --git a/init/subcontext.cpp b/init/subcontext.cpp
index 6a095fb..3fe448f 100644
--- a/init/subcontext.cpp
+++ b/init/subcontext.cpp
@@ -263,6 +263,10 @@
     return false;
 }
 
+bool Subcontext::PartitionMatchesSubcontext(const std::string& partition) const {
+    return std::find(partitions_.begin(), partitions_.end(), partition) != partitions_.end();
+}
+
 void Subcontext::SetApexList(std::vector<std::string>&& apex_list) {
     apex_list_ = std::move(apex_list);
 }
@@ -352,12 +356,13 @@
     }
 
     if (SelinuxGetVendorAndroidVersion() >= __ANDROID_API_P__) {
-        subcontext.reset(
-                new Subcontext(std::vector<std::string>{"/vendor", "/odm"}, kVendorContext));
+        subcontext.reset(new Subcontext(std::vector<std::string>{"/vendor", "/odm"},
+                                        std::vector<std::string>{"VENDOR", "ODM"}, kVendorContext));
     }
 }
+
 void InitializeHostSubcontext(std::vector<std::string> vendor_prefixes) {
-    subcontext.reset(new Subcontext(vendor_prefixes, kVendorContext, /*host=*/true));
+    subcontext.reset(new Subcontext(vendor_prefixes, {}, kVendorContext, /*host=*/true));
 }
 
 Subcontext* GetSubcontext() {
diff --git a/init/subcontext.h b/init/subcontext.h
index 93ebace..23c4a24 100644
--- a/init/subcontext.h
+++ b/init/subcontext.h
@@ -36,8 +36,10 @@
 
 class Subcontext {
   public:
-    Subcontext(std::vector<std::string> path_prefixes, std::string_view context, bool host = false)
+    Subcontext(std::vector<std::string> path_prefixes, std::vector<std::string> partitions,
+               std::string_view context, bool host = false)
         : path_prefixes_(std::move(path_prefixes)),
+          partitions_(std::move(partitions)),
           context_(context.begin(), context.end()),
           pid_(0) {
         if (!host) {
@@ -49,6 +51,7 @@
     Result<std::vector<std::string>> ExpandArgs(const std::vector<std::string>& args);
     void Restart();
     bool PathMatchesSubcontext(const std::string& path) const;
+    bool PartitionMatchesSubcontext(const std::string& partition) const;
     void SetApexList(std::vector<std::string>&& apex_list);
 
     const std::string& context() const { return context_; }
@@ -59,6 +62,7 @@
     Result<SubcontextReply> TransmitMessage(const SubcontextCommand& subcontext_command);
 
     std::vector<std::string> path_prefixes_;
+    std::vector<std::string> partitions_;
     std::vector<std::string> apex_list_;
     std::string context_;
     pid_t pid_;
diff --git a/init/subcontext_benchmark.cpp b/init/subcontext_benchmark.cpp
index ccef2f3..172ee31 100644
--- a/init/subcontext_benchmark.cpp
+++ b/init/subcontext_benchmark.cpp
@@ -33,7 +33,7 @@
         return;
     }
 
-    auto subcontext = Subcontext({"path"}, context);
+    auto subcontext = Subcontext({"path"}, {"partition"}, context);
     free(context);
 
     while (state.KeepRunning()) {
diff --git a/init/subcontext_test.cpp b/init/subcontext_test.cpp
index da1f455..85a2f2a 100644
--- a/init/subcontext_test.cpp
+++ b/init/subcontext_test.cpp
@@ -41,7 +41,7 @@
 
 template <typename F>
 void RunTest(F&& test_function) {
-    auto subcontext = Subcontext({"dummy_path"}, kTestContext);
+    auto subcontext = Subcontext({"dummy_path"}, {"dummy_partition"}, kTestContext);
     ASSERT_NE(0, subcontext.pid());
 
     test_function(subcontext);
@@ -177,6 +177,19 @@
     });
 }
 
+TEST(subcontext, PartitionMatchesSubcontext) {
+    RunTest([](auto& subcontext) {
+        static auto& existent_partition = "dummy_partition";
+        static auto& non_existent_partition = "not_dummy_partition";
+
+        auto existent_result = subcontext.PartitionMatchesSubcontext(existent_partition);
+        auto non_existent_result = subcontext.PartitionMatchesSubcontext(non_existent_partition);
+
+        ASSERT_TRUE(existent_result);
+        ASSERT_FALSE(non_existent_result);
+    });
+}
+
 BuiltinFunctionMap BuildTestFunctionMap() {
     // For CheckDifferentPid
     auto do_return_pids_as_error = [](const BuiltinArguments& args) -> Result<void> {
diff --git a/libcutils/include/private/android_filesystem_config.h b/libcutils/include/private/android_filesystem_config.h
index b0bddf5..2aaafbe 100644
--- a/libcutils/include/private/android_filesystem_config.h
+++ b/libcutils/include/private/android_filesystem_config.h
@@ -143,6 +143,7 @@
 #define AID_PRNG_SEEDER 1092         /* PRNG seeder daemon */
 #define AID_UPROBESTATS 1093         /* uid for uprobestats */
 #define AID_CROS_EC 1094             /* uid for accessing ChromeOS EC (cros_ec) */
+#define AID_MMD 1095                 /* uid for memory management daemon */
 // Additions to this file must be made in AOSP, *not* in internal branches.
 // You will also need to update expect_ids() in bionic/tests/grp_pwd_test.cpp.
 
diff --git a/libprocessgroup/include/processgroup/processgroup.h b/libprocessgroup/include/processgroup/processgroup.h
index 8057757..6a026a7 100644
--- a/libprocessgroup/include/processgroup/processgroup.h
+++ b/libprocessgroup/include/processgroup/processgroup.h
@@ -16,7 +16,6 @@
 
 #pragma once
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <initializer_list>
 #include <span>
@@ -24,10 +23,7 @@
 #include <string_view>
 #include <vector>
 
-__BEGIN_DECLS
-
-static constexpr const char* CGROUPV2_HIERARCHY_NAME = "cgroup2";
-[[deprecated]] static constexpr const char* CGROUPV2_CONTROLLER_NAME = "cgroup2";
+static constexpr std::string CGROUPV2_HIERARCHY_NAME = "cgroup2";
 
 bool CgroupsAvailable();
 bool CgroupGetControllerPath(const std::string& cgroup_name, std::string* path);
@@ -40,8 +36,6 @@
 bool SetProcessProfiles(uid_t uid, pid_t pid, const std::vector<std::string>& profiles);
 bool SetUserProfiles(uid_t uid, const std::vector<std::string>& profiles);
 
-__END_DECLS
-
 bool SetTaskProfiles(pid_t tid, std::initializer_list<std::string_view> profiles,
                      bool use_fd_cache = false);
 bool SetProcessProfiles(uid_t uid, pid_t pid, std::initializer_list<std::string_view> profiles);
@@ -51,14 +45,11 @@
 bool SetProcessProfiles(uid_t uid, pid_t pid, std::span<const std::string_view> profiles);
 #endif
 
-__BEGIN_DECLS
 
 #ifndef __ANDROID_VNDK__
 
 bool SetProcessProfilesCached(uid_t uid, pid_t pid, const std::vector<std::string>& profiles);
 
-[[deprecated]] static constexpr const char* CGROUPS_RC_PATH = "/dev/cgroup_info/cgroup.rc";
-
 bool UsePerAppMemcg();
 
 // Drop the fd cache of cgroup path. It is used for when resource caching is enabled and a process
@@ -99,5 +90,3 @@
 bool isProfileValidForProcess(const std::string& profile_name, uid_t uid, pid_t pid);
 
 #endif // __ANDROID_VNDK__
-
-__END_DECLS
diff --git a/libprocessgroup/setup/cgroup_map_write.cpp b/libprocessgroup/setup/cgroup_map_write.cpp
index d05bf24..c4e1fb6 100644
--- a/libprocessgroup/setup/cgroup_map_write.cpp
+++ b/libprocessgroup/setup/cgroup_map_write.cpp
@@ -222,7 +222,7 @@
     const CgroupController* controller = descriptor.controller();
 
     if (controller->version() == 2) {
-        if (!strcmp(controller->name(), CGROUPV2_HIERARCHY_NAME)) {
+        if (controller->name() == CGROUPV2_HIERARCHY_NAME) {
             return MountV2CgroupController(descriptor);
         } else {
             return ActivateV2CgroupController(descriptor);
diff --git a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.system.nonsecure.rc b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.system.nonsecure.rc
index ca6132e..410e10a 100644
--- a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.system.nonsecure.rc
+++ b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.system.nonsecure.rc
@@ -11,7 +11,7 @@
 # Only starts the non-secure KeyMint HALs when the KeyMint VM feature is enabled
 # TODO(b/357821690): Start the KeyMint HALs when the KeyMint VM is ready once the Trusty VM
 # has a mechanism to notify the host.
-on late-fs && property:ro.hardware.security.keymint.trusty.system=1 && \
+on late-fs && property:ro.hardware.trusty.security_vm.keymint.enabled=1 && \
    property:trusty.security_vm.vm_cid=*
     setprop system.keymint.trusty_ipc_dev VSOCK:${trusty.security_vm.vm_cid}:1
     start system.keymint.rust-trusty.nonsecure
diff --git a/trusty/utils/rpmb_dev/Android.bp b/trusty/utils/rpmb_dev/Android.bp
index 13f151d..ef23cc5 100644
--- a/trusty/utils/rpmb_dev/Android.bp
+++ b/trusty/utils/rpmb_dev/Android.bp
@@ -49,3 +49,12 @@
         "rpmb_dev.system.rc",
     ],
 }
+
+cc_binary {
+    name: "rpmb_dev.wv.system",
+    defaults: ["rpmb_dev.cc_defaults"],
+    system_ext_specific: true,
+    init_rc: [
+        "rpmb_dev.wv.system.rc",
+    ],
+}
diff --git a/trusty/utils/rpmb_dev/rpmb_dev.wv.system.rc b/trusty/utils/rpmb_dev/rpmb_dev.wv.system.rc
new file mode 100644
index 0000000..3e7f8b4
--- /dev/null
+++ b/trusty/utils/rpmb_dev/rpmb_dev.wv.system.rc
@@ -0,0 +1,62 @@
+service storageproxyd_wv_system /system_ext/bin/storageproxyd.system \
+        -d ${storageproxyd_wv_system.trusty_ipc_dev:-/dev/trusty-ipc-dev0} \
+        -r /dev/socket/rpmb_mock_wv_system \
+        -p /data/secure_storage_wv_system \
+        -t sock
+    disabled
+    class hal
+    user system
+    group system
+
+service rpmb_mock_init_wv_system /system_ext/bin/rpmb_dev.wv.system \
+        --dev /mnt/secure_storage_rpmb_wv_system/persist/RPMB_DATA --init --size 2048
+    disabled
+    user system
+    group system
+    oneshot
+
+service rpmb_mock_wv_system /system_ext/bin/rpmb_dev.wv.system \
+        --dev /mnt/secure_storage_rpmb_wv_system/persist/RPMB_DATA \
+        --sock rpmb_mock_wv_system
+    disabled
+    user system
+    group system
+    socket rpmb_mock_wv_system stream 660 system system
+
+# storageproxyd
+on boot && \
+    property:trusty.widevine_vm.nonsecure_vm_ready=1 && \
+    property:storageproxyd_wv_system.trusty_ipc_dev=*
+    wait /dev/socket/rpmb_mock_wv_system
+    enable storageproxyd_wv_system
+
+
+# RPMB Mock
+on early-boot && \
+    property:ro.hardware.security.trusty.widevine_vm.system=1 && \
+    property:trusty.widevine_vm.vm_cid=* && \
+    property:ro.boot.vendor.apex.com.android.services.widevine=\
+com.android.services.widevine.cf_guest_trusty_nonsecure
+    # Create a persistent location for the RPMB data
+    # (work around lack of RPMb block device on CF).
+    # file contexts secure_storage_rpmb_system_file
+    # (only used on Cuttlefish as this is non secure)
+    mkdir /metadata/secure_storage_rpmb_wv_system 0770 system system
+    mkdir /mnt/secure_storage_rpmb_wv_system 0770 system system
+    symlink /metadata/secure_storage_rpmb_wv_system \
+            /mnt/secure_storage_rpmb_wv_system/persist
+    # Create a system persist directory in /metadata
+    # (work around lack of dedicated system persist partition).
+    # file contexts secure_storage_persist_system_file
+    mkdir /metadata/secure_storage_persist_wv_system 0770 system system
+    mkdir /mnt/secure_storage_persist_wv_system 0770 system system
+    symlink /metadata/secure_storage_persist_wv_system \
+            /mnt/secure_storage_persist_wv_system/persist
+    # file contexts secure_storage_system_file
+    mkdir /data/secure_storage_wv_system 0770 root system
+    symlink /mnt/secure_storage_persist_wv_system/persist \
+            /data/secure_storage_wv_system/persist
+    chown root system /data/secure_storage_wv_system/persist
+    setprop storageproxyd_wv_system.trusty_ipc_dev VSOCK:${trusty.widevine_vm.vm_cid}:1
+    exec_start rpmb_mock_init_wv_system
+    start rpmb_mock_wv_system