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

  • To: "Scott Parish" <srparish@xxxxxxxxxx>
  • From: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
  • Date: Tue, 7 Jun 2005 13:45:45 -0700
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 07 Jun 2005 20:45:02 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcVrmuUgt8r+ydSdQI+V4FpjgHi6sQABOZ8Q
  • Thread-topic: [Xen-devel] [patch] predicate NX flag
Scott Parish wrote:
> the NX flag should only be set when its use is enabled.
> 
> sRp

Rather than changing __PAGE_KERNEL, I think we should change set_p?d (?
= g, u, m, e) like

#define set_pmd(pmdptr, pmdval) xen_l2_entry_update(pmdptr, (pmdval)&
__supported_pte_mask)

Jun
---
Intel Open Source Technology Center

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