Re: [RFC PATCH] virtio_console: link vq to port with a private pointer in struct virtqueue
From: Rusty Russell
Date: Tue May 08 2012 - 00:04:34 EST
On Wed, 18 Apr 2012 15:33:33 +0200, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
> For virtio-scsi multiqueue support I would like to have an easy and
> fast way to go from a virtqueue to the internal struct for that
> It turns out that virtio-serial has the same need, but it gets
> by with a simple list walk.
> This patch adds a pointer to struct virtqueue that is reserved for
> the virtio device, and uses it in virtio-serial.
I ike the concept, but share Michael's concern with naming confusion.
How bad would be it to get rid of the current ->priv and use
container_of() instead? ie. have virtio_pci, virtio_mmio, lguest_bus
and s390's kvm_virtio embed the struct virtqueue?
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