KSplice in Fedora?

[King InuYasha]

On Mon, Jun 29, 2009 at 10:58 PM, Bill McGonigle <bill at bfccomputing.com>wrote:

> On 06/29/2009 10:49 PM, Kevin Kofler wrote:
> > It can only handle small patches which don't change
> > any data structures. So the official Fedora kernel updates will never be
> > suitable to be distributed through KSplice.
>
> And to date there hasn't really been any compelling reason to issue tiny
> patch security-updated kernels, 'cause you have to reboot anyway, right?
>  But as the technology improves, more opportunities arise.
>
> I recall deploying some sort of hack workaround for the vmsplice exploit
> a while back on a whole bunch of machines (Fedora or downstreams) that
> were going to need a reboot scheduled up to a week in the future.  This
> kind of technology would have been really swell to have then.
>
> Lots of reasons to not want to reboot machines - most of the arguments
> for supporting laptop suspend would fit.  Some of them may fall into the
> "protecting users from themselves" category, but that's not a bad thing
> either.
>
> -Bill
>
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Also, while KSplice is currently being used for kernel updates, it isn't
limited to those. It could be adapted to work for other updates that
normally force a reboot. Though, I can't think of any off the top of my
head, it has been over a week since I ran the updater...
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