[K42-discussion] Linux Dynamic Upgrade

[Will Schmidt]

On Tue, 2006-03-10 at 14:36 +1000, Andrew Baumann wrote:
> Hi,

Hi again, 
    getting back to this after some distractions.. 

> That's one scenario, but it is also worthwhile keeping in mind that one thing 
> you can do with this approach that you can't with hot patching (DKM, kprobes, 
> etc.) is what it was originally designed for in K42: hot-swapping. Because 
> you change the functions only for a specific instance of a module (eg. a 
> single loopback filesystem, rather than all loopback filesystems), you can do 
> interesting adaptation and optimisation by swapping to a different 
> implementation on the fly.

A question here on the 'specific instance of a module' reference..  for
K42, do you actually have a module instance for every user of (or
reference to?) the module?


-Will