Re: [PATCH kernel v8 06/31] vfio: powerpc/spapr: Disable DMA mappings on disabled container
From: David Gibson
Date: Wed Apr 15 2015 - 04:32:54 EST
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@xxxxxxxxx>
Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
--
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
Attachment:
pgp6iGmoodfWa.pgp
Description: PGP signature