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[Xen-ia64-devel] PATCH: do not use interrupt_mask_addr inside Xen

To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx, "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>, Alex Williamson <alex.williamson@xxxxxx>
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Wed, 14 Jun 2006 16:51:32 +0200
Delivery-date: Wed, 14 Jun 2006 07:47:21 -0700
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>

Hi,

because the guest may modify interrupt_mask_addr and Xen runs at PL0, Xen 
should not use this pointer.
This patch fixes a security issue and is a step toward shared_info remapping.

Tested by booting dom0+domU.

Tristan.

Attachment: xen-psri.diffs
Description: Text Data

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