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[Xen-devel] [PATCH] nestedhvm: avoid endless loop of nested page faults

To: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Subject: [Xen-devel] [PATCH] nestedhvm: avoid endless loop of nested page faults
From: Christoph Egger <Christoph.Egger@xxxxxxx>
Date: Fri, 19 Aug 2011 14:02:25 +0200
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Stop sending IPIs to flush the nested-on-nested pagetable
after write operations. Instead flush the TLB only.
This fixes an endless loop of nested page faults after
adding an entry to the nested-on-nested pagetable.

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>

--
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85689 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

Attachment: xen_nh_ipi.diff
Description: xen_nh_ipi.diff

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