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Add Support for Droidspaces and Ubuntu Chroot #31

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c5fbfd7
ci(kernel): add SHEDOWE variant and Droidspaces configs
TheWildJames Jan 30, 2026
a87b956
Add Support for Droidspaces and Ubuntu Chroot
shedowe19 Jan 31, 2026
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270 changes: 251 additions & 19 deletions .github/workflows/sultan.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -53,26 +53,20 @@ jobs:
- name: Set CONFIG Environment Variable
run: |
CONFIG="android_kernel_google_tensynos"

# Set CONFIG as an environment variable for future steps
echo "CONFIG=$CONFIG" >> $GITHUB_ENV

echo "CONFIG set to: $CONFIG"

- name: Clone AnyKernel3 and Other Dependencies
run: |
echo "Cloning AnyKernel3 and other dependencies..."

ANYKERNEL_BRANCH="sultan-${{ inputs.codename }}"

# Debug print the branches
echo "Using branch for AnyKernel3: $ANYKERNEL_BRANCH"

# Clone repositories using the branch names
git clone https://github.com/TheWildJames/AnyKernel3.git -b "$ANYKERNEL_BRANCH"
git clone https://github.com/TheWildJames/kernel_patches.git
#git clone https://github.com/kerneltoast/${{ inputs.repo }}
git clone https://github.com/kerneltoast/android_kernel_google_tensynos

if [ "${{ matrix.variant }}" != "WKSU" ]; then
SUSFS_BRANCH="gki-${{ inputs.android_version }}-${{ inputs.kernel_version }}"
echo "Using branch for SUSFS: $SUSFS_BRANCH"
Expand All @@ -83,7 +77,6 @@ jobs:
run: |
echo "Changing to configuration directory: $CONFIG..."
cd "$CONFIG"

echo "Adding KernelSU..."
curl -LSs "https://raw.githubusercontent.com/WildKernels/Wild_KSU/wild/kernel/setup.sh" | bash -s wild

Expand All @@ -92,28 +85,24 @@ jobs:
run: |
echo "Changing to configuration directory: $CONFIG..."
cd "$CONFIG"

SUSFS_VERSION="2.0.0"

echo "Applying SUSFS patches..."

# Copy SUSFS patches
cp ../susfs4ksu/kernel_patches/50_add_susfs_in_gki-${{ inputs.android_version }}-${{ inputs.kernel_version }}.patch ./
cp ../susfs4ksu/kernel_patches/fs/* ./fs/
cp ../susfs4ksu/kernel_patches/include/linux/* ./include/linux/

# Change to common directory and apply SUSFS patch
# Apply patches
patch -p1 < 50_add_susfs_in_gki-${{ inputs.android_version }}-${{ inputs.kernel_version }}.patch || true
cp ../kernel_patches/sultan/sys.c_fix.patch ./
patch -p1 < sys.c_fix.patch

cp ../kernel_patches/wild/susfs_fix_patches/v${SUSFS_VERSION}/a14-6.1/base.c.patch ./
patch -p1 < base.c.patch

- name: Configure KernelSU
run: |
cd "$CONFIG"
# KernelSU Configuration
echo "# KernelSU Configuration" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_KSU=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
if [ "${{ matrix.variant }}" != "WKSU" ]; then
Expand All @@ -125,15 +114,13 @@ jobs:
- name: Configure Mountify Support
run: |
cd "$CONFIG"
# Mountify Support
echo "# Mountify Support" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_TMPFS_XATTR=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_TMPFS_POSIX_ACL=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig

- name: Configure Networking
run: |
cd "$CONFIG"
# Networking Configuration
echo "# Networking Configuration" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_IP_NF_TARGET_TTL=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_IP6_NF_TARGET_HL=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
Expand All @@ -142,7 +129,6 @@ jobs:
- name: Configure TCP Congestion Control
run: |
cd "$CONFIG"
# BBR TCP Congestion Control
echo "# BBR TCP Congestion Control" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_TCP_CONG_ADVANCED=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_TCP_CONG_BBR=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
Expand All @@ -154,7 +140,6 @@ jobs:
- name: Configure IPSet Support
run: |
cd "$CONFIG"
# IPSet support
echo "# IPSet Support" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_IP_SET=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_IP_SET_MAX=65534" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
Expand All @@ -175,14 +160,261 @@ jobs:
echo "CONFIG_IP_SET_HASH_NETIFACE=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig
echo "CONFIG_IP_SET_LIST_SET=y" >> ./arch/arm64/configs/${{ inputs.codename }}_defconfig

- name: Run sed and perl Commands
- name: Configure Droidspaces and Ubuntu Chroot Support
run: |
cd "$CONFIG"
CONFIG_FILE="./arch/arm64/configs/${{ inputs.codename }}_defconfig"

echo "" >> $CONFIG_FILE
echo "# Droidspaces & Ubuntu Chroot Support (Merged)" >> $CONFIG_FILE

# IPC & Core (Droidspaces + Ubuntu)
echo "CONFIG_SYSCTL=y" >> $CONFIG_FILE
echo "CONFIG_SYSVIPC=y" >> $CONFIG_FILE
echo "CONFIG_POSIX_MQUEUE=y" >> $CONFIG_FILE
echo "CONFIG_NAMESPACES=y" >> $CONFIG_FILE
echo "CONFIG_PID_NS=y" >> $CONFIG_FILE
echo "CONFIG_UTS_NS=y" >> $CONFIG_FILE
echo "CONFIG_IPC_NS=y" >> $CONFIG_FILE
echo "CONFIG_MNT_NS=y" >> $CONFIG_FILE

# Control Groups (Droidspaces + Ubuntu)
echo "CONFIG_CGROUPS=y" >> $CONFIG_FILE
echo "CONFIG_CGROUP_DEVICE=y" >> $CONFIG_FILE
echo "CONFIG_MEMCG=y" >> $CONFIG_FILE
echo "CONFIG_CGROUP_CPUACCT=y" >> $CONFIG_FILE
echo "CONFIG_CGROUP_SCHED=y" >> $CONFIG_FILE
echo "CONFIG_CGROUP_FREEZER=y" >> $CONFIG_FILE
echo "CONFIG_CGROUP_PIDS=y" >> $CONFIG_FILE
echo "CONFIG_MEMCG_SWAP=y" >> $CONFIG_FILE

# Filesystems & Device Mgmt
echo "CONFIG_DEVTMPFS=y" >> $CONFIG_FILE
echo "CONFIG_DEVTMPFS_MOUNT=y" >> $CONFIG_FILE
echo "CONFIG_PROC_FS=y" >> $CONFIG_FILE
echo "CONFIG_SYSFS=y" >> $CONFIG_FILE
echo "CONFIG_TMPFS=y" >> $CONFIG_FILE
echo "CONFIG_EXT4_FS=y" >> $CONFIG_FILE
echo "CONFIG_EXT4_FS_POSIX_ACL=y" >> $CONFIG_FILE
echo "CONFIG_EXT4_FS_SECURITY=y" >> $CONFIG_FILE
echo "CONFIG_OVERLAY_FS=y" >> $CONFIG_FILE
echo "CONFIG_FUSE_FS=y" >> $CONFIG_FILE
echo "CONFIG_BLK_DEV_LOOP=y" >> $CONFIG_FILE
# Note: CONFIG_TMPFS_XATTR and CONFIG_TMPFS_POSIX_ACL are already in Mountify step

# Executables & QEMU
echo "CONFIG_BINFMT_MISC=y" >> $CONFIG_FILE
echo "CONFIG_BINFMT_SCRIPT=y" >> $CONFIG_FILE
echo "CONFIG_BINFMT_ELF=y" >> $CONFIG_FILE

# Terminal & PTY
echo "CONFIG_UNIX98_PTYS=y" >> $CONFIG_FILE
echo "CONFIG_TTY=y" >> $CONFIG_FILE
echo "CONFIG_DEVPTS_FS=y" >> $CONFIG_FILE
echo "CONFIG_LEGACY_PTYS=y" >> $CONFIG_FILE
echo "CONFIG_LEGACY_PTY_COUNT=256" >> $CONFIG_FILE

# Networking
echo "CONFIG_NET=y" >> $CONFIG_FILE
echo "CONFIG_INET=y" >> $CONFIG_FILE
echo "CONFIG_UNIX=y" >> $CONFIG_FILE
echo "CONFIG_IPV6=y" >> $CONFIG_FILE
echo "CONFIG_PACKET=y" >> $CONFIG_FILE

# System & Security
echo "CONFIG_FUTEX=y" >> $CONFIG_FILE
echo "CONFIG_FILE_LOCKING=y" >> $CONFIG_FILE
echo "CONFIG_EPOLL=y" >> $CONFIG_FILE
echo "CONFIG_EVENTFD=y" >> $CONFIG_FILE
echo "CONFIG_SIGNALFD=y" >> $CONFIG_FILE
echo "CONFIG_TIMERFD=y" >> $CONFIG_FILE
echo "CONFIG_INOTIFY_USER=y" >> $CONFIG_FILE
echo "CONFIG_SECCOMP=y" >> $CONFIG_FILE
echo "CONFIG_SECCOMP_FILTER=y" >> $CONFIG_FILE
echo "CONFIG_AIO=y" >> $CONFIG_FILE
echo "CONFIG_PROC_SYSCTL=y" >> $CONFIG_FILE
echo "CONFIG_SYSVIPC_SYSCTL=y" >> $CONFIG_FILE
echo "CONFIG_PSI=y" >> $CONFIG_FILE

# Firmware
echo "CONFIG_FW_LOADER=y" >> $CONFIG_FILE
echo "CONFIG_FW_LOADER_USER_HELPER=y" >> $CONFIG_FILE
echo "CONFIG_FW_LOADER_COMPRESS=y" >> $CONFIG_FILE

- name: Run sed and Patching
run: |
echo "Changing to configuration directory: $CONFIG..."
cd "$CONFIG"

echo "Running sed commands..."
echo "Running sed commands for localversion..."
sed -i 's/CONFIG_LOCALVERSION="-Sultan"/CONFIG_LOCALVERSION="-Sultan-Wild"/' ./arch/arm64/configs/${{ inputs.codename }}_defconfig

echo "Applying vmscan shrinker lock fix..."
cat <<'EOF' > vmscan_shrinker.patch
--- mm/vmscan.c
+++ mm/vmscan.c
@@ -211,8 +211,7 @@
}

static LIST_HEAD(shrinker_list);
-static DEFINE_SPINLOCK(shrinker_lock);
-static DEFINE_RWLOCK(shrinker_rwlock);
+static DECLARE_RWSEM(shrinker_rwsem);

#ifdef CONFIG_MEMCG
static int shrinker_nr_max;
@@ -719,12 +718,12 @@
void register_shrinker_prepared(struct shrinker *shrinker)
{
init_rwsem(&shrinker->del_rwsem);
- spin_lock(&shrinker_lock);
+ down_write(&shrinker_rwsem);
/* Use the RCU list mutation primitive to allow concurrent iteration */
list_add_tail_rcu(&shrinker->list, &shrinker_list);
shrinker->flags |= SHRINKER_REGISTERED;
shrinker_debugfs_add(shrinker);
- spin_unlock(&shrinker_lock);
+ up_write(&shrinker_rwsem);
}

static int __register_shrinker(struct shrinker *shrinker)
@@ -780,15 +779,11 @@
* Wait until the shrinker list is no longer in use (shrinker_rwlock)
*/
down_write(&shrinker->del_rwsem);
- spin_lock(&shrinker_lock);
- write_lock(&shrinker_rwlock);
- list_del(&shrinker->list);
+ down_write(&shrinker_rwsem);
+ list_del_rcu(&shrinker->list);
shrinker->flags &= ~SHRINKER_REGISTERED;
- if (shrinker->flags & SHRINKER_MEMCG_AWARE)
- unregister_memcg_shrinker(shrinker);
debugfs_entry = shrinker_debugfs_remove(shrinker);
- write_unlock(&shrinker_rwlock);
- spin_unlock(&shrinker_lock);
+ up_write(&shrinker_rwsem);
up_write(&shrinker->del_rwsem);

debugfs_remove_recursive(debugfs_entry);
@@ -954,7 +949,24 @@
!(shrinker->flags & SHRINKER_NONSLAB))
continue;

+ if (!down_read_trylock(&shrinker->del_rwsem))
+ continue;
+
+ up_read(&shrinker_rwsem);
+
ret = do_shrink_slab(&sc, shrinker, priority);
+
+ if (!down_read_trylock(&shrinker_rwsem)) {
+ up_read(&shrinker->del_rwsem);
+ return freed;
+ }
+
+ info = shrinker_info_protected(memcg, nid);
+ if (unlikely(!info)) {
+ up_read(&shrinker->del_rwsem);
+ goto unlock;
+ }
+
if (ret == SHRINK_EMPTY) {
clear_bit(i, info->map);
/*
@@ -973,13 +985,28 @@
* set_bit() do_shrink_slab()
*/
smp_mb__after_atomic();
+
+ up_read(&shrinker_rwsem);
ret = do_shrink_slab(&sc, shrinker, priority);
+
+ if (!down_read_trylock(&shrinker_rwsem)) {
+ up_read(&shrinker->del_rwsem);
+ return freed;
+ }
+
+ info = shrinker_info_protected(memcg, nid);
+ if (unlikely(!info)) {
+ up_read(&shrinker->del_rwsem);
+ goto unlock;
+ }
+
if (ret == SHRINK_EMPTY)
ret = 0;
else
set_shrinker_bit(memcg, nid, i);
}
freed += ret;
+ up_read(&shrinker->del_rwsem);

if (rwsem_is_contended(&shrinker_rwsem)) {
freed = freed ? : 1;
@@ -1040,29 +1067,35 @@
if (!mem_cgroup_disabled() && !mem_cgroup_is_root(memcg))
return shrink_slab_memcg(gfp_mask, nid, memcg, priority);

- read_lock(&shrinker_rwlock);
- /* Use the RCU list iteration primitive to allow concurrent additions */
- list_for_each_entry_rcu(shrinker, &shrinker_list, list) {
- struct shrink_control sc = {
- .gfp_mask = gfp_mask,
- .nid = nid,
- .memcg = memcg,
- };
-
- if (!down_read_trylock(&shrinker->del_rwsem))
- continue;
- read_unlock(&shrinker_rwlock);
-
- ret = do_shrink_slab(&sc, shrinker, priority);
- if (ret == SHRINK_EMPTY)
- ret = 0;
- freed += ret;
-
- read_lock(&shrinker_rwlock);
- up_read(&shrinker->del_rwsem);
- }
- read_unlock(&shrinker_rwlock);
-
+ if (down_read_trylock(&shrinker_rwsem)) {
+ /* Use the RCU list iteration primitive to allow concurrent additions */
+ list_for_each_entry_rcu(shrinker, &shrinker_list, list) {
+ struct shrink_control sc = {
+ .gfp_mask = gfp_mask,
+ .nid = nid,
+ .memcg = memcg,
+ };
+
+ if (!down_read_trylock(&shrinker->del_rwsem))
+ continue;
+ up_read(&shrinker_rwsem);
+
+ ret = do_shrink_slab(&sc, shrinker, priority);
+ if (ret == SHRINK_EMPTY)
+ ret = 0;
+ freed += ret;
+
+ if (!down_read_trylock(&shrinker_rwsem)) {
+ up_read(&shrinker->del_rwsem);
+ goto out;
+ }
+ up_read(&shrinker->del_rwsem);
+ }
+
+ up_read(&shrinker_rwsem);
+ }
+
+out:
cond_resched();
return freed;
}
EOF

# Apply the patch (ignore whitespace to handle tab/space issues in workflow dispatch)
patch -p0 -l < vmscan_shrinker.patch || echo "Patch failed, checking reject files..."

- name: Build the Kernel
run: |
echo "Changing to configuration directory: $CONFIG..."
Expand Down