Re: [PATCH 05/11] vhost scsi: use lio wq cmd submission helper

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On Thu, Feb 04, 2021 at 05:35:07AM -0600, Mike Christie wrote:
> @@ -1132,14 +1127,8 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
>  		 * vhost_scsi_queue_data_in() and vhost_scsi_queue_status()
>  		 */
>  		cmd->tvc_vq_desc = vc.head;
> -		/*
> -		 * Dispatch cmd descriptor for cmwq execution in process
> -		 * context provided by vhost_scsi_workqueue.  This also ensures
> -		 * cmd is executed on the same kworker CPU as this vhost
> -		 * thread to gain positive L2 cache locality effects.
> -		 */
> -		INIT_WORK(&cmd->work, vhost_scsi_submission_work);
> -		queue_work(vhost_scsi_workqueue, &cmd->work);
> +		target_queue_cmd_submit(tpg->tpg_nexus->tvn_se_sess,
> +					&cmd->tvc_se_cmd);
>  		ret = 0;
>  err:
>  		/*

What about this aspect? Will things still stay on the same CPU?

-- 
MST




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