Re: [PATCH kernel v11 04/34] powerpc/iommu: Put IOMMU group explicitly

From: David Gibson
Date: Mon Jun 01 2015 - 00:18:32 EST


On Fri, May 29, 2015 at 06:44:28PM +1000, Alexey Kardashevskiy wrote:
> So far an iommu_table lifetime was the same as PE. Dynamic DMA windows
> will change this and iommu_free_table() will not always require
> the group to be released.
>
> This moves iommu_group_put() out of iommu_free_table().
>
> This adds a iommu_pseries_free_table() helper which does
> iommu_group_put() and iommu_free_table(). Later it will be
> changed to receive a table_group and we will have to change less
> lines then.
>
> This should cause no behavioural change.
>
> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
> Reviewed-by: Gavin Shan <gwshan@xxxxxxxxxxxxxxxxxx>

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_!
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