KSplice in Fedora?

Kevin Kofler kevin.kofler at chello.at
Wed Jul 1 15:15:45 UTC 2009


Jon Masters wrote:
> That's a load of <removed>. I'm not sure where you get this idea from -
> perhaps because it's not obvious how they might achieve structural
> updates and so you assume it cannot be done - but actually, they can
> handle most kinds of update. They achieve this with shadow data
> structure tracking and manage the ABI differences - see the paper - and
> implement pre/post code hooks for things that cannot be done without a
> human kernel engineer. So you can also apply initcall-time fixes by
> implementing a custom pre-hook to perform what would happen at boot.

The paper or web page (I don't remember exactly) I've read talked about this
limitation. But maybe that information is outdated or this is just for
automatically generating the fixes and you can do more complex stuff by
manually writing fixup code.

        Kevin Kofler




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