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[Qemu-devel] Re: [PATCH] qemu/virtio: move features to an inline functio

From: Anthony Liguori
Subject: [Qemu-devel] Re: [PATCH] qemu/virtio: move features to an inline function
Date: Mon, 10 Aug 2009 14:37:20 -0500
User-agent: Thunderbird (X11/20090320)

Michael S. Tsirkin wrote:
devices should have the final say over which virtio features they
support. E.g. indirect entries may or may not make sense in the context
of virtio-console.  Move the common bits from virtio-pci to an inline
function and let each device call it.

What drove this in vhost?

Normally, the common features are transport features and the devices should have absolutely no knowledge of transport feature (since they're transport dependent).

IOW, VIRTIO_RING_F_INDIRECT_DESC is meaningless to virtio-console because virtio-console has no idea what the ring implementation is that it sits on top of.


Anthony Liguori

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