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xen-devel
Re: [Xen-devel] RE: [VTD-NEO][patch 6/6] Intel VT-d/Neocleus 1:1 mreged
On 19/9/07 22:21, "Kay, Allen M" <allen.m.kay@xxxxxxxxx> wrote:
> dom0.patch: create vt-d 1:1 mapping for dom0; call iommu_domain_init()
> in domain.c.
Do PV guests actually need per-domain iommu state? If they do, isn't
release_devices() the partnering destructor function, and so should that not
be invoked from domain.c too?
> These changes were tested against 15909. The changes made by cs# 15910
> breaks even non-vtd vmx guest bring-up. It causes xen crash complaining
> about:
>
> "(XEN) Failed vm entry (exit reason 0x80000021) caused by invalid guest
> state (0)"
How is the guest state broken? Does guest rflags have bit 1 set?
-- Keir
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