To NX or not to NX

[Jeremy Katz]

On Mon, 2007-01-01 at 16:56 +0100, Ralf Ertzinger wrote:
> Looking through dmesg on my laptop, I noticed the following:
> 
> Using x86 segment limits to approximate NX protection
> 
> While this is certainly nice, the processor is quite capable of real
> NX:
[snip]
> Is there a reason this is not used?

Unfortunately, you have to use a PAE kernel to use real NX :(

Jeremy