Re: [PATCH] paravirt.h

From: Andi Kleen
Date: Tue Aug 22 2006 - 10:52:21 EST

On Tuesday 22 August 2006 16:25, Adrian Bunk wrote:
> On Tue, Aug 22, 2006 at 03:50:57PM +0200, Andi Kleen wrote:
> >
> > > this would need a "const after boot" section; which is really not hard
> > > to make and probably useful for a lot more things.... todo++
> >
> > except for anything that needs tlb entries in user space. And it only gives you
> > false sense of security. --todo
> What's the alternative?

The alternative is to not protect it, since protecting it doesn't
offer any significant additional security over not protecting it.

> Change it from a struct to a compile time choice?

One of the design goals of paravirt-ops was to allow single binaries
that run on both native hardware and on hypervisors. So that would
be a non starter.


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