>>> Boris Ostrovsky <boris.ostrov...@oracle.com> 08/04/17 7:04 PM >>>
>Instead of scrubbing pages during guest destruction (from
>free_heap_pages()) do this opportunistically, from the idle loop.
>We might come to scrub_free_pages()from idle loop while another CPU
>uses mapcache override, resulting in a fault while trying to do
>__map_domain_page() in scrub_one_page(). To avoid this, make mapcache
>vcpu override a per-cpu variable.
>Signed-off-by: Boris Ostrovsky <boris.ostrov...@oracle.com>

Reviewed-by: Jan Beulich <jbeul...@suse.com>

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