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 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
