This series contains a patch to solve the longterm IOVA issue which
leizhen originally tried to address at [0].

I also included the small optimisation from Cong Wang, which never seems
to be have been accepted [1]. There was some debate of the other patches
in that series, but this one is quite straightforward.

@Cong Wang, Please resend your series if prefer I didn't upstream your
patch.

[0] 
https://lore.kernel.org/linux-iommu/20190815121104.29140-3-thunder.leiz...@huawei.com/
[1] 
https://lore.kernel.org/linux-iommu/4b74d40a-22d1-af53-fcb6-5d7018370...@huawei.com/

Cong Wang (1):
  iommu: avoid taking iova_rbtree_lock twice

John Garry (1):
  iommu/iova: Flush CPU rcache for when a depot fills

 drivers/iommu/iova.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

-- 
2.26.2

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