Changeset 9afd2a8 in mainline for uspace/lib/virtio/virtio-pci.h

Timestamp:

2018-06-22T20:27:31Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5609d3c

Parents:

b8ef198b

Message:

The idx of the avail ring must always grow

The index cannot wrap around the queue size or it would be 0 when all
buffers are made available in the queue. Instead, the standard mandates
idx always grows, naturally wrapping at 65536.

(No files)