Re: [PATCH 0/3] virtio-net: inline header support

[Paolo Bonzini]

Il 04/10/2012 09:44, Rusty Russell ha scritto:
> -In particular, no implementation should use the descriptor
> -boundaries to determine the size of any header in a request.[footnote:
> -The current qemu device implementations mistakenly insist that
> -the first descriptor cover the header in these cases exactly, so
> -a cautious driver should arrange it so.
> +[footnote:
> +It was previously asserted that framing should be independent of
> +message contents, yet invariably drivers layed out messages in
> +reliable ways and devices assumed it. In addition, the
> +specifications for virtio_blk and virtio_scsi require intuiting
> +field lengths from frame boundaries.
>  ]

Not true for virtio_scsi...

Paolo
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