[cap-talk] Styles of persistance

[Jonathan S. Shapiro]

On Fri, 2008-04-04 at 12:02 +0100, Sam Mason wrote:

> How did KeyKOS/EROS handle code upgrades/bug fixing?  With system
> lifetimes of years I'd expect it would be handled and the problem was
> solved somehow, but I'm not sure how.  Or do you just sidestep the
> problem by making the spacebank so basic that it functions more like
> mmap (or whatever malloc uses these days) in unix systems.

EROS didn't get far enough for this to be an issue. Spacebank structures
are actually simple enough that invasive dirty upgrades are feasible.