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DarksonnDarksonn
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Update github actions config
1 parent 029d7b7 commit d0f7265

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‎.github/scripts/timestamp.py‎

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import os
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import subprocess
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import sys
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OUT_DIR = "../out"
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HASH_FILE = os.path.join(OUT_DIR, "hashes.txt")
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def main():
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# 1. Load stored hashes from the previous build (restored from cache)
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stored_map = {} # path -> hash
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if os.path.exists(HASH_FILE):
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try:
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with open(HASH_FILE, "r") as f:
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for line in f:
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parts = line.strip().split(" ", 1)
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if len(parts) == 2:
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stored_map[parts[1]] = parts[0]
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except Exception as e:
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print(f"Warning: Could not read hashes.txt: {e}")
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# 2. Get current files from git to compare
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# We expect to be running inside the linux submodule directory
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cmd = ["git", "ls-tree", "-r", "HEAD"]
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result = subprocess.run(cmd, capture_output=True, text=True)
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if result.returncode != 0:
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print("Error running git ls-tree")
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sys.exit(1)
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lines = result.stdout.splitlines()
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new_hashes = []
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# Timestamp for "unchanged" files: 2020-01-01 00:00:00 UTC
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# This ensures they are older than any build artifacts in 'out/'
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OLD_TIME = 1577836800
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matched_count = 0
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total_count = 0
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for line in lines:
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# git ls-tree output: <mode> <type> <hash> <path>
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try:
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meta, path = line.split("\t", 1)
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meta_parts = meta.split()
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if len(meta_parts) < 3: continue
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obj_hash = meta_parts[2]
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# Save current state for the next build
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new_hashes.append(f"{obj_hash} {path}")
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total_count += 1
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# If the file content hasn't changed since the cached build,
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# set its timestamp to the past so 'make' considers the cached object valid.
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if path in stored_map and stored_map[path] == obj_hash:
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try:
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os.utime(path, (OLD_TIME, OLD_TIME))
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matched_count += 1
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except OSError:
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pass
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except ValueError:
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continue
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print(f"Restored timestamps for {matched_count}/{total_count} files.")
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# 3. Write new hashes for the next build
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new_hashes.sort(key=lambda x: x.split(" ", 1)[1])
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try:
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with open(HASH_FILE, "w") as f:
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for item in new_hashes:
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f.write(item + "\n")
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except Exception as e:
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print(f"Error writing hashes.txt: {e}")
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if __name__ == "__main__":
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main()

‎.github/workflows/ci.yml‎

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jobs:
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build:
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runs-on: ubuntu-latest
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strategy:
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fail-fast: false
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matrix:
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arch: [x86_64, arm64, riscv, loongarch, arm]
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config: [generic.config]
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include:
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- arch: x86_64
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config: generic.config no-jump-label.config
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steps:
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- uses: actions/checkout@v4
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- name: Run a one-line script
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run: echo "Hello, GitHub Actions!"
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with:
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submodules: true
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- name: Install dependencies
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run: |
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sudo apt-get update
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sudo apt-get install -y build-essential libncurses-dev bison flex libssl-dev libelf-dev bc clang lld llvm
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- name: Install Rust
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uses: dtolnay/rust-toolchain@stable
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with:
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components: rust-src
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- name: Install bindgen
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run: cargo install bindgen-cli
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- name: Configure kernel
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run: |
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mkdir -p out
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make -C linux O=../out LLVM=1 ARCH=${{ matrix.arch }} allnoconfig
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MERGE_LIST="configs/${{ matrix.arch }}.config"
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for conf in ${{ matrix.config }}; do
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MERGE_LIST="$MERGE_LIST configs/$conf"
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done
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linux/scripts/kconfig/merge_config.sh -m -O out out/.config $MERGE_LIST
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make -C linux O=../out LLVM=1 ARCH=${{ matrix.arch }} olddefconfig
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cp out/.config config
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- name: Print kernel configuration
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run: cat config
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- name: Load from cache
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uses: actions/cache@v4
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with:
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path: out
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key: kernel-${{ matrix.arch }}-${{ matrix.config }}-${{ hashFiles('out/.config') }}-${{ github.sha }}
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restore-keys: |
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kernel-${{ matrix.arch }}-${{ matrix.config }}-${{ hashFiles('out/.config') }}-
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- name: Set up incremental compilation
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run: |
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cmp -s config out/.config || cp config out/.config
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cd linux && python3 ../.github/scripts/timestamp.py
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- name: Check Rust availability
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run: make -C linux O=../out LLVM=1 ARCH=${{ matrix.arch }} rustavailable
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- name: Build kernel
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run: |
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make -C linux O=../out LLVM=1 ARCH=${{ matrix.arch }} -j$(nproc)
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- name: Build rustdoc
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run: |
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make -C linux O=../out LLVM=1 ARCH=${{ matrix.arch }} rustdoc
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rustfmt:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:
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submodules: true
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- name: Install dependencies
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run: |
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sudo apt-get update
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sudo apt-get install -y build-essential libncurses-dev bison flex libssl-dev libelf-dev bc clang lld llvm
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- uses: dtolnay/rust-toolchain@stable
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with:
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components: rustfmt, rust-src
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- name: Check formatting
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run: make -C linux LLVM=1 rustfmt
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checkpatch:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:
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submodules: true
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fetch-depth: 2
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- name: Run checkpatch
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working-directory: linux
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run: ./scripts/checkpatch.pl --git HEAD

‎configs/arm.config‎

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CONFIG_MMU=y
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CONFIG_RUST=y
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CONFIG_DRM_TYR=m
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CONFIG_ARCH_MULTI_V7=y

‎configs/arm64.config‎

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CONFIG_MMU=y
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CONFIG_RUST=y
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CONFIG_DRM_TYR=m

‎configs/generic.config‎

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CONFIG_ANDROID_BINDER_IPC_RUST=y
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CONFIG_PCI=y
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CONFIG_COMPAT=y
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CONFIG_JUMP_LABEL=y
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CONFIG_RUST_FW_LOADER_ABSTRACTIONS=y
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CONFIG_KUNIT=y
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CONFIG_RUST_KERNEL_DOCTESTS=y
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CONFIG_DRM=y
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CONFIG_DRM_NOVA=m
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CONFIG_NOVA_CORE=m
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CONFIG_AMCC_QT2025_PHY=m
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CONFIG_BLK_DEV_RUST_NULL=m
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CONFIG_AX88796B_PHY=m
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CONFIG_AX88796B_RUST_PHY=y
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CONFIG_SAMPLE_RUST_CONFIGFS=m
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CONFIG_SAMPLE_RUST_MINIMAL=m
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CONFIG_SAMPLE_RUST_MISC_DEVICE=m
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CONFIG_SAMPLE_RUST_PRINT=m
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CONFIG_SAMPLE_RUST_DMA=m
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CONFIG_SAMPLE_RUST_DEBUGFS=m
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CONFIG_SAMPLE_RUST_DEBUGFS_SCOPED=m
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CONFIG_SAMPLE_RUST_DRIVER_I2C=m
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CONFIG_SAMPLE_RUST_I2C_CLIENT=m
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CONFIG_SAMPLE_RUST_DRIVER_PCI=m
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CONFIG_SAMPLE_RUST_DRIVER_PLATFORM=m
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CONFIG_SAMPLE_RUST_DRIVER_USB=m
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CONFIG_SAMPLE_RUST_DRIVER_FAUX=m
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CONFIG_SAMPLE_RUST_DRIVER_AUXILIARY=m
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CONFIG_SAMPLE_RUST_HOSTPROGS=y

‎configs/loongarch.config‎

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CONFIG_MMU=y
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CONFIG_RUST=y
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‎configs/no-jump-label.config‎

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# CONFIG_JUMP_LABEL is not set

‎configs/riscv.config‎

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CONFIG_MMU=y
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CONFIG_RUST=y
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CONFIG_PWM_TH1520=m

‎configs/x86_64.config‎

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CONFIG_MMU=y
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CONFIG_RUST=y
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