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RE: [Xen-devel] [patch] predicate NX flag

To: "Scott Parish" <srparish@xxxxxxxxxx>
Subject: RE: [Xen-devel] [patch] predicate NX flag
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 7 Jun 2005 22:45:34 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
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Thread-index: AcVrqGPnAmx7/TS2QF+ck0/OllAhOgAAOvCw
Thread-topic: [Xen-devel] [patch] predicate NX flag
> > ... or should xen_l1_entry_update be updated instead of the 
> macros ...
> i guess this option is ruled out in light of future writable 
> pagetable support.

Yes. It's critical that everything uses writeable pagetables, as its
essential for SMP guest support. In general, the x86_64 linux port would
really benefit from some more unification with i386. It's currently
missing all sorts of fixes and improvements that have been implemented
on i386.


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