It looks like Stefan wanted to do it a while back, but Eric noted that it wouldn't be easy: http://www.linuxbios.org/pipermail/linuxbios/2003-November/005994.html
Perhaps the remaining errata has been worked out by now?
On 6/19/06, Dan Johnson dan.johnson@celoxica.com wrote:
It seems that LinuxBIOS has chosen to not use LDTSTOP and just use resets instead. Is this a workaround due to the difficulty of implementing LDTSTOP?