This includes two optimization of virtio:
- "slimming down" VirtQueueElements by not including room for
1024 buffers. This makes malloc much faster.
- optimizations to limit the number of address_space_translate
calls in virtio.c, from Vincenzo and myself.
Thanks,
Paolo
v1->v2: improved commit messages [Conny]
add assertions on sz [Conny]
change bools from 1 and 0 to "true" and "false" [Conny]
update shadow avail_idx in virtio_queue_set_last_avail_idx [Michael]
collect Reviewed-by
Paolo Bonzini (7):
virtio: move VirtQueueElement at the beginning of the structs
virtio: move allocation to virtqueue_pop/vring_pop
virtio: introduce qemu_get/put_virtqueue_element
virtio: introduce virtqueue_alloc_element
virtio: slim down allocation of VirtQueueElements
vring: slim down allocation of VirtQueueElements
virtio: combine the read of a descriptor
Vincenzo Maffione (3):
virtio: cache used_idx in a VirtQueue field
virtio: read avail_idx from VQ only when necessary
virtio: combine write of an entry into used ring
hw/9pfs/9p.c | 2 +-
hw/9pfs/virtio-9p-device.c | 17 +-
hw/9pfs/virtio-9p.h | 2 +-
hw/block/dataplane/virtio-blk.c | 11 +-
hw/block/virtio-blk.c | 23 +--
hw/char/virtio-serial-bus.c | 78 +++++----
hw/display/virtio-gpu.c | 25 ++-
hw/input/virtio-input.c | 24 ++-
hw/net/virtio-net.c | 69 +++++---
hw/scsi/virtio-scsi-dataplane.c | 15 +-
hw/scsi/virtio-scsi.c | 26 ++-
hw/virtio/dataplane/vring.c | 62 ++++---
hw/virtio/virtio-balloon.c | 22 ++-
hw/virtio/virtio-rng.c | 10 +-
hw/virtio/virtio.c | 340 +++++++++++++++++++++++++-----------
include/hw/virtio/dataplane/vring.h | 2 +-
include/hw/virtio/virtio-balloon.h | 2 +-
include/hw/virtio/virtio-blk.h | 5 +-
include/hw/virtio/virtio-net.h | 2 +-
include/hw/virtio/virtio-scsi.h | 15 +-
include/hw/virtio/virtio-serial.h | 2 +-
include/hw/virtio/virtio.h | 13 +-
22 files changed, 486 insertions(+), 281 deletions(-)
--
2.5.0
