Re: [PATCH v3 0/5] virtio-scsi multiqueue

From: Wanlong Gao
Date: Mon Feb 18 2013 - 05:00:24 EST


On 02/12/2013 09:06 PM, Paolo Bonzini wrote:
> This series implements virtio-scsi queue steering, which gives
> performance improvements of up to 50% (measured both with QEMU and
> tcm_vhost backends). The patches build on top of the new virtio APIs
> at http://permalink.gmane.org/gmane.linux.kernel.virtualization/18431;
> the new API simplifies the locking of the virtio-scsi driver nicely,
> thus it makes sense to require them as a prerequisite.
>
> Changes from the previous post, which can be found at
> http://permalink.gmane.org/gmane.linux.kernel.virtualization/17869:
>
> - patches 1 and 2 ("virtio: add functions for piecewise addition of
> buffers", "virtio-scsi: use functions for piecewise composition of
> buffers") split into their own series
>
> - new cleanup patch "virtio-scsi: push vq lock/unlock into virtscsi_vq_done"
>
> - reorganized code to move ACCESS_ONCE in a clearer place
>
> - included Wanlong Gao's CPU hotplug patches
>
> Ok for 3.9? It would probably be easier to get it in via Rusty's tree
> because of the prerequisites. James, can I get your Acked-by?

I can't apply this series on top of Rusty's virtio-next, I missed something
or needed rebase them ?

Thanks,
Wanlong Gao

>
> Paolo
>
> Paolo Bonzini (4):
> virtio-scsi: redo allocation of target data
> virtio-scsi: pass struct virtio_scsi to virtqueue completion function
> virtio-scsi: push vq lock/unlock into virtscsi_vq_done
> virtio-scsi: introduce multiqueue support
>
> Wanlong Gao (1):
> virtio-scsi: reset virtqueue affinity when doing cpu hotplug
>
> drivers/scsi/virtio_scsi.c | 360 +++++++++++++++++++++++++++++++++++---------
> 1 files changed, 292 insertions(+), 68 deletions(-)
>
>

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