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


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(-)


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