[PATCH] int10: Remove the vm86 and stub backends

[Mark Kettenis]

> From: Adam Jackson <ajax at redhat.com>
> Date: Tue, 27 Jul 2010 15:46:59 -0400
> 
> On Tue, 2010-07-27 at 20:23 +0200, Mark Kettenis wrote:
> > > Date: Tue, 27 Jul 2010 17:57:01 +0100
> > > From: Matthew Garrett <mjg at redhat.com>
> > > On Wed, Jul 14, 2010 at 04:15:56PM +0300, Tiago Vignatti wrote:
> > > > On Tue, Jul 13, 2010 at 11:32:54PM +0200, ext Adam Jackson wrote:
> > > > > vm86 has been defaulted off since 1.6, and is still a terrible idea=
>  to
> > > > > actually use.  Time to say goodbye.
> > > >=20
> > > > My empirical evidences say that we can't do this.=20
> > >=20
> > > The vm86 code is guaranteed to fail in certain circumstances. The most=20
> > > obvious is anything where the BIOS tries to access address space above=20
> > > 3GB. We're better off killing it and figuring out where the bugs in=20
> > > x86emu are.
> >=20
> > How about fixing those bugs before killing it?
> 
> Some of them are... nontrivial.

Which makes me seriously doubt that these bugs can be found and fixed
fast enough such that users won't be affected.