Wsl2

Microsoft WSL2 kernel modifications

If you want to dig into: for now it seems all to be HyperV related. I maybe wrong since I haven’t reviewed the code itself.

It’s based on the next 5.4.x kernel - probably since Ubuntu Focal also has 5.4 on LTS.

git clone --depth 1 --branch v5.4.51 https://github.com/gregkh/linux.git upstream & pid1=$!
git clone --depth 1 --branch linux-msft-5.4.51  https://github.com/microsoft/WSL2-Linux-Kernel.git wsl2 & pid2=$!
wait $pid1 $pid2

File differences

diff -qr --exclude=.git upstream wsl2 | tee diff.txt
cat  \
    <(cat diff.txt | grep -oP '(Files upstream/)\K[^ ]+') \
    <(cat diff.txt | grep -oP '(Only in wsl2/)\K.+' | sed 's|: |/|g') \
    | sort -u \
    | (while read f; do if [[ -f "wsl2/$f" ]]; then echo "$f"; fi; done;) \
| tee files.txt

Get all commits on diffed files

Improvement: Diff the original commit list with WSL source