wiki.matoken.org

$ wget -c https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.14.tar.xz \
> https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.14.tar.sign
$ unxz ./linux-5.14.tar.xz
$ gpg --verify ./linux-5.14.tar.sign 
gpg: assuming signed data in './linux-5.14.tar'
gpg: Signature made Mon Aug 30 14:43:46 2021 JST
gpg:                using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
gpg: Good signature from "Greg Kroah-Hartman <gregkh@linuxfoundation.org>" [unknown]
gpg:                 aka "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" [undefined]
gpg:                 aka "Greg Kroah-Hartman <gregkh@kernel.org>" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: 647F 2865 4894 E3BD 4571  99BE 38DB BDC8 6092 693E
$ tar tvf ./linux-5.14.tar | lv
$ tar xf ./linux-5.14.tar
$ rm ./linux-5.14.tar ./linux-5.14.tar.sign
$ cd ./linux-5.14
$ cp /boot/config-$(uname -r) ./.config
$ cat ../le9-patch/le9ec_patches/le9ec-5.14.patch | patch -p1
$ make olddefconfig
$ make config
$ make testconfig
$ time make -j$(nproc) bindeb-pkg LOCALVERSION=-le9

   ___    ___      __  _      __  ____ 
  / _ |  / _ | __ / / | | /| / / / __ \
 / __ | / __ |/ // /  | |/ |/ / / /_/ /
/_/ |_|/_/ |_|\___/   |__/|__/  \____/