Virtual Machines, JVM in kernel, hot-swapped kernel

Tomasz Rola (rtomek@cis.com.pl)
Fri, 21 Aug 1998 02:19:48 +0200 (CEST)


Hello everybody.

I've been looking for some online materials about virtual machines on IBM
System 360 and found almost nothing (I know, it was long long ago...). In
fact, rather nothing than almost :-). If it exists somewhere on the net it
must be very well hidden. Could someone point me to any link? What I'm
interested in is how did it work? Not from system side, rather from the
user. I'm just looking for some hints on this idea (for being able to get
better view of the problem) and not for the solution.

BTW, is someone doing something like this for Linux?

Also, I'm interested in JVM (Java Virtual Machine) built into the kernel.
Has somebody started this already on Linux? Yes, I know about Java
support in current kernels but it's in user space. I'm interested in
kernel-space one. How about other languages - Lisp, perhaps ?...

Third problem I would like to ask about is if there is any work going to
make Linux kernel hotswappable? I mean, having kernel, say, 2.0.33 I'd
like to replace it with kernel 2.0.34 (or better 2.0.36 :-) ) without the
need for reboot.

bye
T.

--
** Tomasz Rola          I am going to forward myself to /dev/null  **
**                      To check if data is really discarded there **
**                      Or is it a gate to another Universe...     **
** mailto:rtomek@cis.com.pl ,    http://www.cis.com.pl             **

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