Re: [PATCH v10 09/19] KVM: xen: separate initialization of shared_info cache and content

From: David Woodhouse
Date: Thu Dec 14 2023 - 08:42:44 EST


On Mon, 2023-12-04 at 14:43 +0000, Paul Durrant wrote:
> From: Paul Durrant <pdurrant@xxxxxxxxxx>
>
> A subsequent patch will allow shared_info to be initialized using either a
> GPA or a user-space (i.e. VMM) HVA. To make that patch cleaner, separate
> the initialization of the shared_info content from the activation of the
> pfncache.
>
> Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>


Spot the difference...
 
> -               /*
> -                * This code mirrors kvm_write_wall_clock() except that it writes
> -                * directly through the pfn cache and doesn't mark the page dirty.
> -                */
> -               wall_nsec = kvm_get_wall_clock_epoch(kvm);


> +       /*
> +        * This code mirrors kvm_write_wall_clock() except that it writes
> +        * directly through the pfn cache and doesn't mark the page dirty.
> +        */
> +       wall_nsec = ktime_get_real_ns() - get_kvmclock_ns(kvm);

(Hint: it's commit 5d6d6a7d7e66a)

With that fixed,

Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>

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