Optimize bpf_csum_diff() and homogenize for all archs #19920

	name: "lint"

	on:
	pull_request:
	push:
	branches:
	- master

	jobs:
	shellcheck:
	# This workflow gets injected into other Linux repositories, but we don't
	# want it to run there.
	if: ${{ github.repository == 'kernel-patches/vmtest' }}
	name: ShellCheck
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Run ShellCheck
	uses: ludeeus/action-shellcheck@master
	env:
	SHELLCHECK_OPTS: --severity=warning --exclude=SC1091

	# Ensure some consistency in the formatting.
	lint:
	if: ${{ github.repository == 'kernel-patches/vmtest' }}
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Run black
	uses: psf/black@stable
	with:
	src: ./.github/scripts

	validate_matrix:
	if: ${{ github.repository == 'kernel-patches/vmtest' }}
	name: Validate matrix.py
	runs-on: ubuntu-latest
	env:
	GITHUB_REPOSITORY_OWNER: ${{ matrix.owner }}
	GITHUB_REPOSITORY: ${{ matrix.repository }}
	GITHUB_OUTPUT: /dev/stdout
	strategy:
	matrix:
	owner: ['kernel-patches', 'foo']
	repository: ['bpf', 'vmtest', 'bar']
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: run script
	run: \|
	python3 .github/scripts/matrix.py

	unittests:
	if: ${{ github.repository == 'kernel-patches/vmtest' }}
	name: Unittests
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Run unittests
	run: python3 -m unittest scripts/tests/*.py
	working-directory: .github

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