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From: Stefan Hajnoczi <stefanha@redhat.com>
To: Mike Christie <michael.christie@oracle.com>
Cc: qemu-devel@nongnu.org, fam@euphon.net,
	linux-scsi@vger.kernel.org, target-devel@vger.kernel.org,
	mst@redhat.com, jasowang@redhat.com, pbonzini@redhat.com,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 05/10] vhost: poll support support multiple workers
Date: Tue, 17 Nov 2020 15:32:19 +0000	[thread overview]
Message-ID: <20201117153219.GN131917@stefanha-x1.localdomain> (raw)
In-Reply-To: <1605223150-10888-7-git-send-email-michael.christie@oracle.com>

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On Thu, Nov 12, 2020 at 05:19:05PM -0600, Mike Christie wrote:
> diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
> index d229515..9eeb8c7 100644
> --- a/drivers/vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -187,13 +187,15 @@ void vhost_work_init(struct vhost_work *work, vhost_work_fn_t fn)
>  
>  /* Init poll structure */
>  void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
> -		     __poll_t mask, struct vhost_dev *dev)
> +		     __poll_t mask, struct vhost_dev *dev,
> +		     struct vhost_virtqueue *vq)
>  {
>  	init_waitqueue_func_entry(&poll->wait, vhost_poll_wakeup);
>  	init_poll_funcptr(&poll->table, vhost_poll_func);
>  	poll->mask = mask;
>  	poll->dev = dev;
>  	poll->wqh = NULL;
> +	poll->vq = vq;
>  
>  	vhost_work_init(&poll->work, fn);
>  }

Tying the poll mechanism to vqs rather than directly to vhost_worker
seems okay for now, but it might be necessary to change this later if
drivers want more flexibility about poll something that's not tied to a
vq or that uses worker 0.

Stefan

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  reply	other threads:[~2020-11-17 15:32 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-12 23:18 [PATCH 00/10] vhost/qemu: thread per IO SCSI vq Mike Christie
2020-11-12 23:19 ` [PATCH 1/1] qemu vhost scsi: add VHOST_SET_VRING_ENABLE support Mike Christie
2020-11-17 11:53   ` Stefan Hajnoczi
2020-12-02  9:59   ` Michael S. Tsirkin
2020-12-02 16:05     ` Michael Christie
2020-11-12 23:19 ` [PATCH 01/10] vhost: remove work arg from vhost_work_flush Mike Christie
2020-11-17 13:04   ` Stefan Hajnoczi
2020-11-12 23:19 ` [PATCH 02/10] vhost scsi: remove extra flushes Mike Christie
2020-11-17 13:07   ` Stefan Hajnoczi
2020-11-12 23:19 ` [PATCH 03/10] vhost poll: fix coding style Mike Christie
2020-11-17 13:07   ` Stefan Hajnoczi
2020-11-12 23:19 ` [PATCH 04/10] vhost: support multiple worker threads Mike Christie
2020-11-12 23:19 ` [PATCH 05/10] vhost: poll support support multiple workers Mike Christie
2020-11-17 15:32   ` Stefan Hajnoczi [this message]
2020-11-12 23:19 ` [PATCH 06/10] vhost scsi: make SCSI cmd completion per vq Mike Christie
2020-11-17 16:04   ` Stefan Hajnoczi
2020-11-12 23:19 ` [PATCH 07/10] vhost, vhost-scsi: flush IO vqs then send TMF rsp Mike Christie
2020-11-17 16:05   ` Stefan Hajnoczi
2020-11-12 23:19 ` [PATCH 08/10] vhost: move msg_handler to new ops struct Mike Christie
2020-11-17 16:08   ` Stefan Hajnoczi
2020-11-12 23:19 ` [PATCH 09/10] vhost: add VHOST_SET_VRING_ENABLE support Mike Christie
2020-11-17 16:14   ` Stefan Hajnoczi
2020-11-12 23:19 ` [PATCH 10/10] vhost-scsi: create a woker per IO vq Mike Christie
2020-11-17 16:40 ` [PATCH 00/10] vhost/qemu: thread per IO SCSI vq Stefan Hajnoczi
2020-11-17 19:13   ` Mike Christie
2020-11-18  9:54     ` Michael S. Tsirkin
2020-11-19 14:00       ` Stefan Hajnoczi
2020-11-18 11:31     ` Stefan Hajnoczi
2020-11-19 14:46       ` Michael S. Tsirkin
2020-11-19 16:11         ` Mike Christie
2020-11-19 16:24           ` Stefan Hajnoczi
2020-11-19 16:43             ` Mike Christie
2020-11-19 17:08               ` Stefan Hajnoczi
2020-11-20  8:45                 ` Stefan Hajnoczi
2020-11-20 12:31                   ` Michael S. Tsirkin
2020-12-01 12:59                     ` Stefan Hajnoczi
2020-12-01 13:45                       ` Stefano Garzarella
2020-12-01 17:43                         ` Stefan Hajnoczi
2020-12-02 10:35                           ` Stefano Garzarella
2020-11-23 15:17                   ` Stefano Garzarella
2020-11-18  5:17   ` Jason Wang
2020-11-18  6:57     ` Mike Christie
2020-11-18  7:19       ` Mike Christie
2020-11-18  7:54       ` Jason Wang
2020-11-18 20:06         ` Mike Christie
2020-11-19  4:35           ` Jason Wang
2020-11-19 15:49             ` Mike Christie

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