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 | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!

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