Subject: Re: remplacing page mappings behind uvm
To: YAMAMOTO Takashi <>
From: Manuel Bouyer <>
List: tech-kern
Date: 11/30/2007 14:29:18
On Fri, Nov 30, 2007 at 10:11:14PM +0900, YAMAMOTO Takashi wrote:
> > Yes, so we have to keep a translation table, with an ioctl to populate it.
> > Then we have to change xen sources to deal with it, and it may not be so
> > easy because what it does now is the other way round: first get a
> > chunk of VM space, and then populate it, eventually not in one operation.
> iirc we used to mmap privcmd to allocate va range.

No, I don't remember it ever being this way. And there's no mmap-related
patches in xentools3-hvm ..

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