Hi Will,
On Wed, Jul 24, 2019 at 08:41:30AM +0100, Will Deacon wrote:
> There aren't tonnes of (direct) users of the iommu-api, and the additional
> complexity introduced by the 'struct iotlb_gather' only applies to users of
> iommu_unmap_fast(), which I think is a reasonable trade-off in return for
> the potential for improved performance.
Yeah, that is right. From a scalability point of view this is much
better and easier than keeping 'struct iotlb_gather' in the
iommu_domain.
Thanks for the explanation.
Regards,
Joerg
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