ci: add a vmtest step for setting up selftests run

Signed-off-by: Ihor Solodrai <ihor.solodrai@pm.me>

.github/actions/build-selftests/build_selftests.sh

@@ -8,8 +8,6 @@ source ${THISDIR}/helpers.sh
 
 foldable start prepare_selftests "Building selftests"
 
-LIBBPF_PATH="${REPO_ROOT}"
-
 llvm_latest_version() {
 	echo "19"
 }
@@ -50,11 +48,9 @@ make \
 	-C "${REPO_ROOT}/${REPO_PATH}/tools/testing/selftests/bpf" \
 	-j $((4*$(nproc))) > /dev/null
 cd -
-mkdir ${LIBBPF_PATH}/selftests
+
+mkdir ${GITHUB_WORKSPACE}/selftests
 cp -R "${REPO_ROOT}/${REPO_PATH}/tools/testing/selftests/bpf" \
-	${LIBBPF_PATH}/selftests
-cd ${LIBBPF_PATH}
-rm selftests/bpf/.gitignore
-git add selftests
+   ${GITHUB_WORKSPACE}/selftests
 
 foldable end prepare_selftests

.github/actions/vmtest/action.yml

@@ -99,14 +99,47 @@ runs:
         repo-path: '.kernel'
         kernel: ${{ inputs.kernel }}
         llvm-version: ${{ inputs.llvm-version }}
+
+    - name: Prepare to run selftests
+      env:
+        ALLOWLIST_FILE: /tmp/allowlist
+        DENYLIST_FILE: /tmp/denylist
+        KERNEL: ${{ inputs.kernel }}
+        SELFTESTS_BPF: ${{ github.workspace }}/selftests/bpf
+        VMTEST_CONFIGS: ${{ github.workspace }}/ci/vmtest/configs
+      shell: bash
+      run: |
+        cat "${SELFTESTS_BPF}/ALLOWLIST"                    \
+            "${SELFTESTS_BPF}/ALLOWLIST.${ARCH}"            \
+            "${VMTEST_CONFIGS}/ALLOWLIST"                   \
+            "${VMTEST_CONFIGS}/ALLOWLIST-${KERNEL}"         \
+            "${VMTEST_CONFIGS}/ALLOWLIST-${KERNEL}.${ARCH}" \
+          2> /dev/null > "${ALLOWLIST_FILE}" || true
+
+        cat "${SELFTESTS_BPF}/DENYLIST"                     \
+            "${SELFTESTS_BPF}/DENYLIST.${ARCH}"             \
+            "${VMTEST_CONFIGS}/DENYLIST"                    \
+            "${VMTEST_CONFIGS}/DENYLIST-${KERNEL}"          \
+            "${VMTEST_CONFIGS}/DENYLIST-${KERNEL}.${ARCH}"  \
+          2> /dev/null > "${DENYLIST_FILE}" || true
+
+        if [[ "${{ inputs.kernel }}" == "4.9.0" ]]; then
+          echo "KERNEL_TEST=test_progs_no_alu32" >> $GITHUB_ENV
+        elif [[ "${{ inputs.kernel }}" == "5.5.0" ]]; then
+          echo "KERNEL_TEST=test_progs test_progs_no_alu32" >> $GITHUB_ENV
+        fi
+
     # 4. Run selftest via vmtest tool (https://github.com/danobi/vmtest)
     - name: Run selftests
       env:
+        ALLOWLIST_FILE: /tmp/allowlist
+        DENYLIST_FILE: /tmp/denylist
         KERNEL: ${{ inputs.kernel }}
+        VMLINUX: ${{ github.workspace }}/vmlinux
       uses: theihor/libbpf-ci/run-vmtest@run-vmtest-v2
       with:
         arch: ${{ inputs.arch }}
         kbuild-output: ${{ github.workspace }}/.kernel
         kernel-root: ${{ github.workspace }}/.kernel
-        img: '' # this is a required action input currently, but actually is not used
-        vmlinuz: ${{ github.workspace }}/vmlinux
+        kernel-test: ${{ env.KERNEL_TEST }}
+        vmlinuz: ${{ inputs.arch }}/vmlinuz-${{ inputs.kernel }}