Re: [Xen-devel] x86-64's __PAGE_OFFSET

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 7 Jan 2006, at 05:22, Nakajima, Jun wrote:

> > > Jun might remember if there was a particular reason, but I can't
> > > think
> > > of any insurmountable technical reason why the native __PAGE_OFFSET
> > > value shouldn't work.
> > There must be a reason - the system dies immediately with that change.
> > But I'd really like to understand why this is so, perhaps to check
> > with Andi whether then we couldn't generally go with the Xen value...
> >
> > Jan
> __PAGE_OFFSET for the native 0xffff810000000000UL has a conflict with
> Xen's address map (xen/include/asm-x86/config.h):
Well, that is a good reason for the modified __PAGE_OFFSET. :-)

I guess we stick with a Xen-specific value then.

 -- Keir


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