v1 -> v2:
 - Use kfree instead of kfree_sensitive for insensitive buffer.
 - Several coding style fix.
 - Use memory from current node, instead of memory close to device
 - Add more message in commit, also explain why removing per-device
   request buffer.
 - Add necessary comment in code to explain why using kzalloc to
   allocate struct virtio_crypto_ctrl_request.

v1:
The main point of this series is to improve the performance for
virtio crypto:
- Use wait mechanism instead of busy polling for ctrl queue, this
  reduces CPU and lock racing, it's possiable to create/destroy session
  parallelly, QPS increases from ~40K/s to ~200K/s.
- Enable retry on crypto engine to improve performance for data queue,
  this allows the larger depth instead of 1.
- Fix dst data length in akcipher service.
- Other style fix.

lei he (2):
  virtio-crypto: adjust dst_len at ops callback
  virtio-crypto: enable retry for virtio-crypto-dev

zhenwei pi (2):
  virtio-crypto: wait ctrl queue instead of busy polling
  virtio-crypto: move helpers into virtio_crypto_common.c

 drivers/crypto/virtio/Makefile                |   1 +
 .../virtio/virtio_crypto_akcipher_algs.c      |  95 ++++++-------
 drivers/crypto/virtio/virtio_crypto_common.c  |  92 ++++++++++++
 drivers/crypto/virtio/virtio_crypto_common.h  |  27 +++-
 drivers/crypto/virtio/virtio_crypto_core.c    |  37 +----
 .../virtio/virtio_crypto_skcipher_algs.c      | 133 ++++++++----------
 6 files changed, 224 insertions(+), 161 deletions(-)
 create mode 100644 drivers/crypto/virtio/virtio_crypto_common.c

-- 
2.20.1

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