Re: [PATCH 07/12] Drivers: hv: vmbus: Remove second mapping of VMBus monitor pages

[Tianyu Lan]

On 10/21/2022 1:57 AM, Michael Kelley wrote:
> With changes to how Hyper-V guest VMs flip memory between private
> (encrypted) and shared (decrypted), creating a second kernel virtual
> mapping for shared memory is no longer necessary.  Everything needed
> for the transition to shared is handled by set_memory_decrypted().
>
> As such, remove the code to create and manage the second
> mapping for VMBus monitor pages. Because set_memory_decrypted()
> and set_memory_encrypted() are no-ops in normal VMs, it's
> not even necessary to test for being in a Confidential VM
> (a.k.a., "Isolation VM").
>
> Signed-off-by: Michael Kelley<mikelley@xxxxxxxxxxxxx>

Reviewed-by: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>