coreos/grub — pull request #4 by marineam (2014-11-06 05:00:50+00:00)
Title: Add support for linuxefi

Importing this from Fedora's grub: http://pkgs.fedoraproject.org/cgit/grub2.git/

The linuxefi command hooks into shim to verify the kernel, without this shim assumes the worst and halts the system when the kernel attempts to boot.