virtio_ring: introduce packed ring support

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Introduce the packed ring support. Packed ring can only be
created by vring_create_virtqueue() and each chunk of packed
ring will be allocated individually. Packed ring can not be
created on preallocated memory by vring_new_virtqueue() or
the likes currently.

Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Tiwei Bie 2018-11-21 18:03:27 +08:00 • committed by David S. Miller

parent fb3fba6b16

commit 1ce9e6055f

1 changed files with 870 additions and 30 deletions

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drivers/virtio/virtio_ring.c

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