> The best thing to do is probably to wait for for kvm_vcpu_map() to be 
> eliminated,
> as described in the changelogs for commits:
>
>   357a18ad230f ("KVM: Kill kvm_map_gfn() / kvm_unmap_gfn() and 
> gfn_to_pfn_cache")
>   7e2175ebd695 ("KVM: x86: Fix recording of guest steal time / preempted 
> status")
>
> Once that is done, everything in KVM will either access guest memory through 
> the
> userspace hva, or via a mechanism that is tied into the mmu_notifier, at which
> point accessing non-refcounted struct pages is safe and just needs to worry 
> about
> not corrupting _refcount.

That does sound like the best approach. I'll put this patch series on
hold until that work is done.
_______________________________________________
kvmarm mailing list
[email protected]
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm

Reply via email to