> 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.

is it (new userland + old kernel) expected to work?  i don't think so.

YAMAMOTO Takashi