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

[Wanlong Gao <gaowanlong@cn.fujitsu.com>]

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(-)
> 
>