RE: [Xen-devel] PAE & hypercall interfaces

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> On 18 May 2005, at 20:23, Gerd Knorr wrote:
> 
> >   (1) make page table entrys 64bit wide everythere.
> >   (2) make page table entrys 64bit wide in PAE mode only.
> >   (3) pass two values: 32bit page frame number & flags.
> >   (4) others?
> >
> > I'd prefeare option (1), option (3) is reasonable as well I 
> think.  I 
> > don't think (2) is a good idea, that will cause some very nasty 
> > problems in case we'll try to allow non-PAE guests in PAE mode.
> >
> > Comments?
> 
> I like option 3.

As do I, cooking down the NX bit.

Ian

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