RE: [Xen-devel] [patch] nx bit shouldn't get set when disabled

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

> >> Why the extra mask ops with __supported_pte_mask? Native x86/64 
> >> builds obviously don't need them...
> >
> > Definitions such as __PAGE_KERNEL set NX, but as Jun pointed out, 
> > those should only be set when NX mode is enabled.
> 
> So the extra masking isn't required?

I suspect normal hardware is prepared to put up with the bit being set
even if its not supported...

Ian

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