[PATCH v2 0/5] hw/virtio: Minor housekeeping patches

[Philippe Mathieu-Daudé]

Hi,

This series contains few patches I gathered while tooking notes
trying to understand issues #300-#302.

Since v1:
- Added virtqueue_flush comment (Stefano)
- Call RCU_READ_LOCK_GUARD in virtqueue_packed_drop_all (Stefano)

Philippe Mathieu-Daudé (5):
  hw/virtio: Document virtio_queue_packed_empty_rcu is called within RCU
  hw/virtio: Comment virtqueue_flush() must be called with RCU read lock
  hw/virtio: Remove NULL check in virtio_free_region_cache()
  hw/virtio: Acquire RCU read lock in virtqueue_packed_drop_all()
  hw/virtio: Have virtqueue_get_avail_bytes() pass caches arg to callees

 include/hw/virtio/virtio.h |  7 +++++++
 hw/virtio/virtio.c         | 39 ++++++++++++++++++--------------------
 2 files changed, 25 insertions(+), 21 deletions(-)

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2.31.1