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xen-devel
Re: [Xen-devel] understanding __linear_l2_table and friends
On Fri, Apr 22, 2005 at 01:47:34PM -0700, Kip Macy wrote:
> >
> > Since PAE is a temporary crock I would chose the least intrusive
> > variant to the codebase :)
> >
> A temporary crock that is likely to be 80% of Xen's deployments for
> the next couple of years.
Very unlikely, since you will have a hard time to buy non X86-64
capable servers in the next couple of years. It is already pretty
hard with new boxes. Even desktops are becomming more and more
64bit capable (Intel will even enable it on all Celerons a bit
later this year).
The only 32bit holdout left are the very lowend boxes
from AMD and Intel Laptops and VIA. And these generally dont need
any PAE since dont support enough RAM (assuming you dont need the NX hype)
That is why the PAE effort seems so pointless to me. I estimate it will
take some months at least until it is stable and released, and at this time
most of the new x86 world is x86-64 capable.
The only boxes for which PAE is needed are basically some old servers,
and these will be quickly replaced with new 64bit capable ones.
-Andi
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