- 
git add
 - 
git commit
subsystem 信息也要包括进去
 - 
git format-patch
git format-patch --base=v6.14-rc1 -1 -s - 
style check
scripts/checkpatch.pl <patch-file> - 
确定收件人
scripts/get_maintainer.pl <patch-file> - 
git send-email / git imap-send (not recommended)
git send-email --to <maintainer@email> --cc <group@email> <yourpatch>`