Re: (subset) [PATCH v12 02/84] KVM: arm64: Disallow copying MTE to guest memory while KVM is dirty logging

Marc Zyngier
2024-08-22T14:25:57Z

On Fri, 26 Jul 2024 16:51:11 -0700, Sean Christopherson wrote:
> Disallow copying MTE tags to guest memory while KVM is dirty logging, as
> writing guest memory without marking the gfn as dirty in the memslot could
> result in userspace failing to migrate the updated page. Ideally (maybe?),
> KVM would simply mark the gfn as dirty, but there is no vCPU to work with,
> and presumably the only use case for copy MTE tags _to_ the guest is when
> restoring state on the target.
>
> [...]

Applied to next, thanks!

[02/84] KVM: arm64: Disallow copying MTE to guest memory while KVM is dirty logging
commit: e0b7de4fd18c47ebd47ec0dd1af6503d4071b943

Cheers,

M.
--
Without deviation from the norm, progress is not possible.