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[Xen-ia64-devel] PATCH: pte_xchg added

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, 17 May 2006 10:23:29 +0200
Delivery-date: Wed, 17 May 2006 01:19:28 -0700
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>

Hi,

this patch adds a new function: pte_xchg to atomically exchange pte.
It also adds a few mb().

With this small patch, I was able to boot dom0 with 2 vcpus (Yesterday it 
crashed).

Tested by boot+halt of dom0+domU (each 2 cpus).

Tristan.

Attachment: xen-smpvp1.diffs
Description: Text Data

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