A PPA if the 3.12 kernel will be available at http://kernel.ubuntu.com/~kernel-ppa/mainline/ and instructions on how to install and uninstall it are at https://wiki.ubuntu.com/Kernel/MainlineBuilds
A PPA if the 3.12 kernel will be available at http:// kernel. ubuntu. com/~kernel- ppa/mainline/ and instructions on how to install and uninstall it are at https:/ /wiki.ubuntu. com/Kernel/ MainlineBuilds