$ git clone --depth=1 https://github.com/raspberrypi/linux
$ cd linux
$ KERNEL=kernel7
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcm2709_defconfig
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage modules dtbs
$ lsblk
$ mkdir /mnt/fat32
$ mkdir /mnt/ext4
$ sudo mount /dev/sdb1 /mnt/fat32
$ sudo mount /dev/sdb2 /mnt/ext4
$ sudo make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- INSTALL_MOD_PATH=/mnt/ext4 modules_install
$ sudo cp /mnt/fat32/$KERNEL.img /mnt/fat32/$KERNEL-backup.img
$ sudo scripts/mkknlimg arch/arm/boot/zImage /mnt/fat32/$KERNEL.img
$ sudo cp arch/arm/boot/dts/*.dtb /mnt/fat32/
$ sudo cp arch/arm/boot/dts/overlays/*.dtb* /mnt/fat32/overlays/
$ sudo cp arch/arm/boot/dts/overlays/README /mnt/fat32/overlays/
$ sudo umount /mnt/fat32
$ sudo umount /mnt/ext4
Raspberry Pi 2 Raspbian kernel compile and install
原文：http://www.cnblogs.com/tamarind/p/4803203.html