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From: Jason Wang <jasowang@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>,
	Mike Christie <michael.christie@oracle.com>
Cc: target-devel@vger.kernel.org, linux-scsi@vger.kernel.org,
	pbonzini@redhat.com, mst@redhat.com, sgarzare@redhat.com,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 9/9] vhost: support sharing workers across devs
Date: Mon, 7 Jun 2021 10:18:28 +0800	[thread overview]
Message-ID: <f475f7fe-75ec-02fe-34a3-df8c863e8a73@redhat.com> (raw)
In-Reply-To: <YLjoDjas6ga3Ovad@stefanha-x1.localdomain>


在 2021/6/3 下午10:32, Stefan Hajnoczi 写道:
> On Tue, May 25, 2021 at 01:06:00PM -0500, Mike Christie wrote:
>> This allows a worker to handle multiple device's vqs.
>>
>> TODO:
>> - The worker is attached to the cgroup of the device that created it. In
>> this patch you can share workers with devices with different owners which
>> could be in different cgroups. Do we want to restict sharing workers with
>> devices that have the same owner (dev->mm value)?
> Question for Michael or Jason.


I thing sharing workers within a cgroup should be fine.

The differences is that if we restrict the works with the same owner, it 
may only work in the case where an VM have multiple vhost devices.

Thanks




  reply	other threads:[~2021-06-07  2:18 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-25 18:05 vhost: multiple worker support Mike Christie
2021-05-25 18:05 ` [PATCH 1/9] vhost: move worker thread fields to new struct Mike Christie
2021-06-03 10:16   ` Stefan Hajnoczi
2021-05-25 18:05 ` [PATCH 2/9] vhost: move vhost worker creation to kick setup Mike Christie
2021-06-03 10:28   ` Stefan Hajnoczi
2021-05-25 18:05 ` [PATCH 3/9] vhost: modify internal functions to take a vhost_worker Mike Christie
2021-06-03 10:45   ` Stefan Hajnoczi
2021-05-25 18:05 ` [PATCH 4/9] vhost: allow vhost_polls to use different vhost_workers Mike Christie
2021-06-03 13:51   ` Stefan Hajnoczi
2021-05-25 18:05 ` [PATCH 5/9] vhost-scsi: flush IO vqs then send TMF rsp Mike Christie
2021-06-03 13:54   ` Stefan Hajnoczi
2021-05-25 18:05 ` [PATCH 6/9] vhost-scsi: make SCSI cmd completion per vq Mike Christie
2021-06-03 13:57   ` Stefan Hajnoczi
2021-05-25 18:05 ` [PATCH 7/9] vhost: allow userspace to create workers Mike Christie
2021-06-03 14:30   ` Stefan Hajnoczi
2021-06-05 23:53     ` michael.christie
2021-06-07 15:19       ` Stefan Hajnoczi
2021-06-09 21:03         ` Mike Christie
2021-06-10  8:06           ` Stefan Hajnoczi
2021-06-18  2:49             ` Mike Christie
2021-06-21 13:41               ` Stefan Hajnoczi
2021-05-25 18:05 ` [PATCH 8/9] vhost: add vhost_dev pointer to vhost_work Mike Christie
2021-06-03 14:31   ` Stefan Hajnoczi
2021-05-25 18:06 ` [PATCH 9/9] vhost: support sharing workers across devs Mike Christie
2021-06-03 14:32   ` Stefan Hajnoczi
2021-06-07  2:18     ` Jason Wang [this message]
2021-06-03 10:13 ` vhost: multiple worker support Stefan Hajnoczi
2021-06-03 18:45   ` Mike Christie
2021-06-03 14:37 ` Stefan Hajnoczi
2021-06-03 22:16   ` Mike Christie
2021-06-05 22:40     ` michael.christie
2021-06-07 15:23       ` Stefan Hajnoczi

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