Re: [PATCH 6/7] iommu/arm-smmu-v3: Add support for PCI ATS

2017-05-30 Thread Jean-Philippe Brucker
On 30/05/17 11:28, Joerg Roedel wrote: > On Wed, May 24, 2017 at 07:01:42PM +0100, Jean-Philippe Brucker wrote: >> * TLB invalidation by range is batched and committed with a single sync. >> Batching ATC invalidation is inconvenient, endpoints limit the number of >> inflight invalidations.

Re: [PATCH 6/7] iommu/arm-smmu-v3: Add support for PCI ATS

2017-05-30 Thread Joerg Roedel
On Wed, May 24, 2017 at 07:01:42PM +0100, Jean-Philippe Brucker wrote: > * TLB invalidation by range is batched and committed with a single sync. > Batching ATC invalidation is inconvenient, endpoints limit the number of > inflight invalidations. We'd have to count the number of invalidations