[V2,0/9] Fixes for metadata accelreation
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Message ID 20190731084655.7024-1-jasowang@redhat.com
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  • Fixes for metadata accelreation
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Jason Wang July 31, 2019, 8:46 a.m. UTC
Hi all:

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

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 -EAGIAN for non blocking invalidation too early

 drivers/vhost/vhost.c | 232 +++++++++++++++++++++++++++---------------
 drivers/vhost/vhost.h |   8 +-
 2 files changed, 154 insertions(+), 86 deletions(-)