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RE: [Xen-ia64-devel] RE: [PATCH] Patch to make latest hgmulti-domainback to work


  • To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
  • From: "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>
  • Date: Thu, 8 Sep 2005 20:25:28 -0700
  • Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Fri, 09 Sep 2005 03:23:07 +0000
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: AcWvySFLppJ+ILkHRKOQH/MX6thvfgEH6v3wABtDOHAAAcMDgAAeqRQAAAEH+PAAAsa6oAABwX8A
  • Thread-topic: [Xen-ia64-devel] RE: [PATCH] Patch to make latest hgmulti-domainback to work

> > Instead vcpu->arch.dtlb_pte is not touched. So after my patch 
> > changed match_dtlb to return guest pte, above problematic 
> > code may leave them out of sync there. Comments?
> 
> I agree this is a bug, but I'm not sure it explains
> the problem.  I will turn off HYPER_PTC_GA and see

            should be FAST_PTC_GA ^^^^^^^^^

> if the problem goes away.

The problem (PL2 vs PL0) still occurs even with
that code turned off.

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