| Date | Wed, 15 Apr 2015 17:05:22 +1000 | From | David Gibson <> | Subject | Re: [PATCH kernel v8 06/31] vfio: powerpc/spapr: Disable DMA mappings on disabled container |
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On Fri, Apr 10, 2015 at 04:30:48PM +1000, Alexey Kardashevskiy wrote: > At the moment DMA map/unmap requests are handled irrespective to > the container's state. This allows the user space to pin memory which > it might not be allowed to pin. > > This adds checks to MAP/UNMAP that the container is enabled, otherwise > -EPERM is returned. > > Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
-- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson [unhandled content-type:application/pgp-signature] |