79f027bbd6
whether modules are loaded and whether boot.cfg is evaluated, and set both to "off" per default in the PXE bootloader. Extend "installboot" to toggle the bits. This way, pxeboot works with existing dhcp server setups (and as described in the manpage) out of the box. Also, boot.cfg reading involves a stat() call which is horribly inefficient with the TFTP pseudo file system.