Re: [Xen-ia64-devel] [PATCH] add support for hvm live migration

[Kouya Shimura <kouya@xxxxxxxxxxxxxx>]

Exactly, there is no warranty.
I considered failure cases. ptc.g might purge a TLB
but ptc.g is emulated. VMAL might swap a TLB out...

OK. I'll write an addtional patch as insurance
that handles a nested dtlb miss.

Thanks,
Kouya

Tristan Gingold writes:
> On Thu, Feb 14, 2008 at 01:21:34PM +0900, Kouya Shimura wrote:
> > The fault address must be on a TLB when a dirty bit fault is generated.
> > So I believe that a tlb miss of tpa never happen at this point
> > as long as IVT is mapped by a TR.
> 
> I don't think it is warrantied by the ASDM, although failure cases must be
> extremely rare.
> 
> Tristan.

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