diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
new file mode 100644
index 0000000..dd1060f
--- /dev/null
+++ b/.github/workflows/linux.yml
@@ -0,0 +1,54 @@
+name: linux versions
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+
+jobs:
+
+  build:
+    strategy:
+      matrix:
+        env: [ubuntu-20.04]
+        linux-tag: [v5.0]
+
+    runs-on: ${{ matrix.env }}
+
+    steps:
+      - name: Checkout msr-safe and submodules
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libelf-dev
+
+      - name: Build linux ${{ matrix.linux-tag }} headers
+        run: |
+          cd linux
+          git fetch --tags
+          git checkout ${{ matrix.linux-tag }}
+          git clean -d -f -x
+          cd ..
+          make -j clean
+          make -j -C ./linux clean
+          echo "### Build start time:  " `date`
+          echo "### gcc version:       " `gcc --version`
+          make -j -C ./linux allyesconfig
+          make -j -C ./linux modules_prepare
+          make
+
+#      - name: Compile msr-safe
+#        run: |
+#          export CC=gcc
+#          export CXX=g++
+#          ${CC} --version
+#          ${CXX} --version
+#          uname -a
+#          # build
+#          make VERBOSE=1
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d1c8abd
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "linux"]
+	path = linux
+	url = https://github.com/torvalds/linux.git
diff --git a/linux b/linux
new file mode 160000
index 0000000..9f266cc
--- /dev/null
+++ b/linux
@@ -0,0 +1 @@
+Subproject commit 9f266ccaa2f5228bfe67ad58a94ca4e0109b954a