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| author | Michael S. Tsirkin <mst@redhat.com> | 2018-03-09 23:23:29 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-03-20 02:29:09 +0200 |
| commit | 4aa466883ee9784d364a524822dc867f3c03f065 (patch) | |
| tree | 47d2a7df3a3abbd8003cfbbc98ec5a4fabdb10e1 /content.tex | |
| parent | 4f27513bd0e5faf0fdf45d23ae994ba57397ba72 (diff) | |
introduction: document bitfield notation
Bitfields are a useful and familiar way to specify sub-byte structure
layout. The only issue is that bitfield order isn't portable across
architectures. Document that we list bitfields from least to
most significant one, and warn about portability issues.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Approved-by: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=3177
Fixes: https://github.com/oasis-tcs/virtio-spec/issues/3
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