[PATCH V4 0/9] Fixes for metadata accelreation

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Hi all:

This series try to fix several issues introduced by meta data
accelreation series. Please review.

Changes from V3:
- remove the unnecessary patch

Changes from V2:
- use seqlck helper to synchronize MMU notifier with vhost worker

Changes from V1:
- try not use RCU to syncrhonize MMU notifier with vhost worker
- set dirty pages after no readers
- return -EAGAIN only when we find the range is overlapped with
  metadata

Jason Wang (9):
  vhost: don't set uaddr for invalid address
  vhost: validate MMU notifier registration
  vhost: fix vhost map leak
  vhost: reset invalidate_count in vhost_set_vring_num_addr()
  vhost: mark dirty pages during map uninit
  vhost: don't do synchronize_rcu() in vhost_uninit_vq_maps()
  vhost: do not use RCU to synchronize MMU notifier with worker
  vhost: correctly set dirty pages in MMU notifiers callback
  vhost: do not return -EAGAIN for non blocking invalidation too early

 drivers/vhost/vhost.c | 228 +++++++++++++++++++++++++++---------------
 drivers/vhost/vhost.h |   8 +-
 2 files changed, 150 insertions(+), 86 deletions(-)

-- 
2.18.1




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