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| author | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2013-11-10 11:35:33 +0000 |
|---|---|---|
| committer | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2013-11-10 11:35:33 +0000 |
| commit | 754eb334584684c017dc49318354d85491dc5bd8 (patch) | |
| tree | 97092011551ca1f7c16e903a0a2989673726a0b1 /abstract.tex | |
| parent | ed86f8513f8df21d0a8c094be167a49ac11bb311 (diff) | |
compatibility: extendable config space and pci cfg
We often specify specific layout of config space,
in the past drivers took this to mean "there will be
no other fields" and failed devices where config
space was larger.
To avoid such issues in the future, document that drivers
should only check size is >= the required value.
VIRTIO-48
Accepted Nov 5, 2013
https://lists.oasis-open.org/archives/virtio/201311/msg00031.html
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@91 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
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