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SubjectRe: Simple patches for Linux as a guest OS in a plex86 VM (please consider)
--- Pavel Machek <pavel@ucw.cz> wrote:

> How is plex86-aware-linux running under plex86 different from user
> mode linux?

With plex86, the goal is to run the stock x86 port. Plex86 is also
x86-specific.

> Do you think you can make it faster?

To get any level of security with UML, you need to use "jailed mode"
in which performance takes a big beating. To fix this, you need
patches to Linux as a host, to make it offer a better environment
for running UML guests. From a commercial perspective, then you have
a patched Linux host + totally different port of a Linux guest.
From a fun perspective, I think UML is fantastic achievement.

What I'm aiming for is a stock Linux host and a stock Linux guest,
the small mods to macroize PUSHF/POPF being a minor concession
to accomodate a broken PVI support in x86.


-Kevin

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