Write and Submit your first Linux kernel Patch
墙外地址：非严格对应的blog：
Documention/HOWTO， Codingstyle
git clone kernel source
git status
git branch
git checkout
make some changes
scripts/checkpatch.pl --file --terse drivers/md/dm-io.c
git diff
make M=drivers/md/
git commit -a
USB: otg: short summary
...
Signed-off by: Firo Yang
MAYBE:git commit --amend
git show --pretty=full
git format-patch master
scripts/checkpatch.pl 0001-Drivers-md-..
scripts/get_maintainer.pl
scripts/get_maintainer.pl --file
git send-mail --to ... --cc 0001-Drivers-md
git blame ..file
git show comitcode897932832