Re: [Xen-ia64-devel] PV-on-HVM for IPF (take 3)

[Doi.Tsunehisa@xxxxxxxxxxxxxx]

  Hi.

You (yamahata) said:
> Your patch isn't SMP-safe.
> domVTi code assumes that the p2m table is build at the domain creation and
> read-only after that.
> However your patch breaks the assumption and opened the door
> to SMP world.
> Especially you must resolve the race between tlb insert and tlb purge.
> Do you have any plan to fix it?

  I had recognized this problem. It shall be fixed refer to domU
codes, I think. But I think that it is rare case normaly, because
the effect of it occurs in a phase of guest initialization.

  Currently, we are studying a way to fix it, whitch don't affect
to performance and code structures.

Thanks,
- Tsunehisa Doi

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