Hello,

I'd like to ask what people's thoughts are towards dynamic kernel updating. The technology seems promising: updating a kernel between releases, or at least some basic parts that were not compiled into loadable modules, without rebooting the system. But there seem to be limited facilities for either Linux or FreeBSD. Why isn't there an automated way of upgrading between two kernel versions yet totally dynamically ?

After a quick search I've found the following tools. The first two make dynamic instrumentation possible, and the latter seems to be geared towards complete updates.

But none of them have an automatic update generation utility. Would people be interested in building/contributing to such a tool ? Is dynamic updating technology just a hype ?

GILK: http://www.doc.ic.ac.uk/~djp1/gilk.html
KernInst: http://www.paradyn.org/html/kerninst.html
DynAMOS: http://freshmeat.net/projects/dynamos