Simone
5f97a71ad2
Both Clang jobs broke without the driver changing. GCC passed everywhere it actually compiles: out-of-tree, in-tree x86_64, checkpatch and shellcheck. The out-of-tree LLVM=1 job never reached this source. The runner now ships 6.17.0-1020-azure headers built with GCC, and their Makefiles pass flags clang rejects outright: clang: error: unknown argument: '-fconserve-stack' clang: error: unsupported argument 'bounds-strict' to option '-fsanitize=' clang: error: unsupported option '-mrecord-mcount' Building a module with a different compiler than the kernel it links against is not something to paper over, and it was testing nothing useful: the meaningful Clang coverage is the in-tree job, which controls the whole build. Drop Clang from the out-of-tree job and say why in a comment. The in-tree arm64 job failed at defconfig with "linker 'ld.lld' not found". LLVM=1 wants the whole LLVM toolchain and ld.lld ships in its own package, which the runner no longer pulls in as a dependency of llvm. Install lld. Since the out-of-tree job no longer needs a matrix, its steps lose the per-compiler conditionals and shellcheck moves into the dependency install rather than being fetched mid-job.
139 lines
4.6 KiB
YAML
139 lines
4.6 KiB
YAML
name: CI
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on:
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push:
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branches:
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- main
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pull_request:
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branches:
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- main
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workflow_dispatch:
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permissions:
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contents: read
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concurrency:
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group: ci-${{ github.ref }}
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cancel-in-progress: true
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env:
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I2C_TREE: https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git
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SPARSE_REPOSITORY: https://git.kernel.org/pub/scm/devel/sparse/sparse.git
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SPARSE_COMMIT: 00c4b8e75cbf92003bc4a695a223045092b173f3
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jobs:
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out-of-tree:
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name: Out-of-tree build
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runs-on: ubuntu-latest
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timeout-minutes: 30
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# GCC only, deliberately. Building a module with LLVM=1 against the
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# runner's distro headers fails before it reaches this source: those
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# headers were built with GCC and their Makefiles pass flags clang does
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# not accept (-fconserve-stack, -fsanitize=bounds-strict, -mrecord-mcount).
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# Clang coverage belongs in the in-tree job below, which controls the
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# whole kernel build.
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steps:
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- uses: actions/checkout@v4
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- name: Install build 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 linux-headers-$(uname -r) shellcheck
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- name: Build module
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run: make W=1 KCFLAGS=-W
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- name: Run checkpatch
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run: make checkpatch
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- name: Check shell scripts
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run: |
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bash -n test-smoke.sh
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for f in tools/*.sh; do bash -n "$f"; done
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shellcheck -S warning test-smoke.sh tools/*.sh
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- name: Upload artifact
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uses: actions/upload-artifact@v4
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with:
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name: i2c-imc-skylake-${{ github.ref_name }}
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path: i2c-imc-skylake.ko
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if-no-files-found: error
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in-tree:
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name: Current i2c-host integration
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runs-on: ubuntu-latest
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timeout-minutes: 45
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steps:
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- uses: actions/checkout@v4
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- name: Install kernel build dependencies
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run: |
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sudo apt-get update
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sudo apt-get install -y bc bison build-essential clang flex libelf-dev \
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libssl-dev lld llvm
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- name: Build pinned Sparse
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run: |
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git clone --filter=blob:none "$SPARSE_REPOSITORY" sparse
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git -C sparse checkout "$SPARSE_COMMIT"
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make -C sparse -j"$(nproc)"
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echo "$PWD/sparse" >> "$GITHUB_PATH"
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- name: Prepare current maintainer tree
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run: |
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git clone --depth=1 --branch i2c/i2c-host "$I2C_TREE" linux-i2c
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cp i2c-imc-skylake.c linux-i2c/drivers/i2c/busses/
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cat docs/submission/Kconfig.kernel >> linux-i2c/drivers/i2c/busses/Kconfig
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printf '%s\n' 'obj-$(CONFIG_I2C_IMC_SKYLAKE) += i2c-imc-skylake.o' \
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>> linux-i2c/drivers/i2c/busses/Makefile
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git -C linux-i2c rev-parse HEAD
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- name: Configure kernel
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working-directory: linux-i2c
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run: |
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make O=../linux-out x86_64_defconfig
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scripts/config --file ../linux-out/.config --enable I2C --module I2C_IMC_SKYLAKE
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make O=../linux-out olddefconfig
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grep '^CONFIG_I2C_IMC_SKYLAKE=m' ../linux-out/.config
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- name: Build driver in-tree
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working-directory: linux-i2c
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run: make O=../linux-out W=1 drivers/i2c/busses/i2c-imc-skylake.o
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- name: Build arm64 COMPILE_TEST with Clang
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working-directory: linux-i2c
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run: |
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make O=../linux-out-arm64 ARCH=arm64 LLVM=1 defconfig
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scripts/config --file ../linux-out-arm64/.config \
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--enable COMPILE_TEST --enable PCI --enable I2C \
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--module I2C_IMC_SKYLAKE
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make O=../linux-out-arm64 ARCH=arm64 LLVM=1 olddefconfig
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grep '^CONFIG_I2C_IMC_SKYLAKE=m' ../linux-out-arm64/.config
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make O=../linux-out-arm64 ARCH=arm64 LLVM=1 W=1 \
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drivers/i2c/busses/i2c-imc-skylake.o
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- name: Run Sparse in-tree
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working-directory: linux-i2c
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run: |
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make O=../linux-out C=2 CF=-D__CHECK_ENDIAN__ \
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drivers/i2c/busses/i2c-imc-skylake.o
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- name: Run current-tree checkpatch
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working-directory: linux-i2c
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run: |
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scripts/checkpatch.pl --strict --no-tree -f \
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drivers/i2c/busses/i2c-imc-skylake.c
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- name: Build the documentation
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working-directory: linux-i2c
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run: |
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sudo apt-get install -y python3-sphinx python3-sphinx-rtd-theme
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cp ../docs/submission/i2c-imc-skylake.rst Documentation/i2c/busses/
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sed -i 's|^ i2c-i801$| i2c-i801\n i2c-imc-skylake|' \
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Documentation/i2c/busses/index.rst
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grep -q i2c-imc-skylake Documentation/i2c/busses/index.rst
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make O=../linux-out htmldocs SPHINXDIRS=i2c 2>&1 | tee doc.log | tail -20
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! grep -Ei 'WARNING|ERROR' doc.log
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