[Lguest] mercurial repo
Rusty Russell
rusty at rustcorp.com.au
Mon Jul 30 09:25:27 EST 2007
On Sun, 2007-07-29 at 11:13 +0300, Avi Kivity wrote:
> ron minnich wrote:
> > On 7/26/07, Rusty Russell <rusty at rustcorp.com.au> wrote:
> >> Hmm, I know AIX has a kernel-provided shlib which provides the system
> >> call mechanism. If plan9 has some similar mechanism, then that might be
> >> neater than nasty lguest tricks...
> >
> > I think your previous system call reservation patch is better. My
> > experience shows that lguest can do more than support linux guests.
>
> That would require having an ABI, any mention of which causes Rusty to
> yelp "Puppies, Puppies!".
Indeed, I've told Ron we'll be breaking his port soon. Not
gratuitously, but no doubt there'll be churn when we add our second
arch, use kvm-style ioctls and change I/O models to virtio. Should be
simple to adapt, tho.
Fast non-int80 syscalls are hard, but supporting foreign guests is
deeply worthy. I'm tempted to just hardcode 0x40 for plan9 guests
(CONFIG_LGUEST_PLAN9?).
Cheers,
Rusty.
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