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Subject: [OASIS Issue Tracker] Commented: (VIRTIO-27) Allow chaining of indirects

    [ http://tools.oasis-open.org/issues/browse/VIRTIO-27?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=34618#action_34618 ] 

Michael Tsirkin commented on VIRTIO-27:

I'm not sure it's really easier to implement.

> Allow chaining of indirects
> ---------------------------
>                 Key: VIRTIO-27
>                 URL: http://tools.oasis-open.org/issues/browse/VIRTIO-27
>             Project: OASIS Virtual I/O Device (VIRTIO) TC
>          Issue Type: Bug
>            Reporter: Rusty Russell
> Virtio-15 removed the ability to have consecutive indirect descriptors (which no OS implemented, but devices had to support).
> If we want really large descriptor chains, we should allow VIRTIO_F_INDIRECT flag to chain inside an indirect table to chain them.  This is simpler than the "return to main chain" to implement.  But we can always add it later, wiht a new feature bit...

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