[PATCH] KVM: arm64: vgic-its: clear dte when mapd unmaps a device
Marc Zyngier
maz at kernel.org
Thu Jun 20 06:58:35 PDT 2024
On Thu, 20 Jun 2024 14:32:20 +0100,
Kunkun Jiang <jiangkunkun at huawei.com> wrote:
>
> Hi Eric,
>
> On 2024/6/19 1:18, Eric Auger wrote:
> >> Also, is the device table the only one that is subject to this
> >> 'reload' problem? How about the Collection table?
> > The collection table is not indexed by the collection ID and when saving
> > we end up writing an invalid dummy entry to close the recording. So I
> > don't think we have the same problem there.
> I'm a little confused here. In the current Linux, there is no implementation
> of mapc unmaps a cte. But should this scenario be considered in
> vgic-its?
We implement the "HW", not what Linux does.
M.
--
Without deviation from the norm, progress is not possible.
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