# LKML 提交 patch

###### tags: `linux2021 jserv 1-on-1`

- kernel 開發筆記
- vim 設定 `:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab cindent cc=80`
- 編譯 `make defconfig && make -j $(nproc)`
- 檢查
- `./scripts/checkpatch.pl --patch`
- 使用 [sparse](https://www.kernel.org/doc/html/latest/dev-tools/sparse.html) -> `make C=1`
- LKML 上提交 patch
- [Generate patch](http://nickdesaulniers.github.io/blog/2017/05/16/submitting-your-first-patch-to-the-linux-kernel-and-responding-to-feedback/)
- Generate patch `git format-patch HEAD~`
- With versioning `git format-patch -v3 HEAD^`
- Apply patch `git am [patch filename]`
- [Setup email](https://git-send-email.io/) using gmail on Ubuntu
- `sudo apt install git git-email`
- Get app password from [here](https://security.google.com/settings/security/apppasswords)
- Edit `~/.gitconfig`

            [sendemail]
                smtpPass = ...
                smtpserver = smtp.gmail.com
                smtpuser = [e-mail]
                smtpencryption = tls
                smtpserverport = 587
            [user]
                email = [e-mail]
                name = ...

- Try to send a patch using the instructions [here](https://git-send-email.io/#step-3)
- Get the maintainer's email to send to
- e.g. `./scripts/get_maintainer.pl -f include/linux/compiler.h`
- [Reply review emails](https://wiki.openstack.org/wiki/MailingListEtiquette#Replies)
- 針對 gmail 的 email, 改成 plain text mode, 就可以正常使用 reply all 解決