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[fedora-virt] Re: [PATCH] xen: do not set NX bit when making initial pagetables readonly

From: Jeremy Fitzhardinge <jeremy goop org>
To: Ian Campbell <Ian Campbell citrix com>
Cc: fedora-virt redhat com, Ingo Molnar <mingo elte hu>, Jon Swanson <jswanson valuecommerce co jp>
Subject: [fedora-virt] Re: [PATCH] xen: do not set NX bit when making initial pagetables readonly
Date: Fri, 30 Jan 2009 10:56:02 -0800

Ian Campbell wrote:

__supported_pte_mask has not been correctly configured at this point
and Xen prevents us from using the NX bit if the hardware does not
support it. Some BIOSes seem to offer the option to disable NX.

Could we sniff EFER and update __supported_pte_mask accordingly?

   J

Follow-Ups:
- [fedora-virt] Re: [PATCH] xen: do not set NX bit when making initial pagetables readonly
  - From: Ian Campbell

References:
- [fedora-virt] [PATCH] xen: do not set NX bit when making initial pagetables readonly
  - From: Ian Campbell

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