On Fri, Apr 10, 2015 at 04:30:43PM +1000, Alexey Kardashevskiy wrote: > This moves page pinning (get_user_pages_fast()/put_page()) code out of > the platform IOMMU code and puts it to VFIO IOMMU driver where it belongs > to as the platform code does not deal with page pinning. > > This makes iommu_take_ownership()/iommu_release_ownership() deal with > the IOMMU table bitmap only. > > This removes page unpinning from iommu_take_ownership() as the actual > TCE table might contain garbage and doing put_page() on it is undefined > behaviour. > > Besides the last part, the rest of the patch is mechanical. > > Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
Reviewed-by: David Gibson <da...@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
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