Re: [Xen-devel] [PATCH v3] x86/HVM: correct page dirty marking in hvm_map_guest_frame_rw()

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 19/10/15 15:53, Jan Beulich wrote:
> Rather than dirtying a page when establishing a (permanent) mapping,
> dirty it when the page gets unmapped, or - if still mapped - on the
> final iteration of a save operation (or in other cases where the guest
> is paused or already shut down). (Transient mappings continue to get
> dirtied upon getting mapped, to avoid the overhead of tracking.)
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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