Subject: Re: -current broken due to kernfs changes
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-xen
Date: 05/24/2005 11:03:03
On Tue, May 24, 2005 at 10:50:41AM +0900, YAMAMOTO Takashi wrote:
> > OK, I finally found where it mmaps /kern/xen/privcmd. MAP_ANON seems
> > to work equally well, so I fixed this in pkgsrc.
> 
> then, old xentools binaries doesn't work on -current
> (and netbsd-3 once pulled up) anymore?
> 
> i guess it's a good chance to change IOCTL_PRIVCMD_INITDOMAIN_EVTCHN
> without compatibility considerations :-)

The problem isn't that simple. The new tools will work with an older kernel.
In the IOCTL_PRIVCMD_INITDOMAIN_EVTCHN case it's not the case (old tools/new
kernel and old kernel/new tools won't work), so some kind of compat is needed
to ease the transition.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
     NetBSD: 26 ans d'experience feront toujours la difference
--