From: Jason Wang <jasowang@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>,
Mike Christie <michael.christie@oracle.com>
Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
virtualization@lists.linux-foundation.org,
target-devel@vger.kernel.org, stefanha@redhat.com,
pbonzini@redhat.com
Subject: Re: [PATCH 07/17] vhost scsi: support delayed IO vq creation
Date: Mon, 2 Nov 2020 14:49:42 +0800 [thread overview]
Message-ID: <cf74844c-bfa6-e66c-fc3a-07dfd7af3092@redhat.com> (raw)
In-Reply-To: <688e46b6-77f1-1629-0c93-e3a27d582da5@redhat.com>
On 2020/11/2 下午2:36, Jason Wang wrote:
>>
>> The need to share event/control vqs between devices is a problem though,
>> and sending lots of ioctls on things like reset is also not that
>> elegant.
>> Jason, did you have a good solution in mind?
>
>
> Nope, I'm not familiar with SCSI so I don't even know sharing evt/cvq
> is possible. Consider VHOST_SCSI_MAX_VQ is already 128 per device.
> Mike's proposal seems to be better.
>
> Thanks
Btw, it looks to me vhost_scsi_do_evt_work() has the assumption of iovec
layout which needs to be fixed.
Thanks
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next prev parent reply other threads:[~2020-11-02 6:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1603326903-27052-1-git-send-email-michael.christie@oracle.com>
[not found] ` <1603326903-27052-5-git-send-email-michael.christie@oracle.com>
2020-10-22 5:22 ` [PATCH 04/17] vhost: prep vhost_dev_init users to handle failures kernel test robot
2020-11-02 5:57 ` Jason Wang
2020-11-03 10:04 ` Dan Carpenter
[not found] ` <1603326903-27052-2-git-send-email-michael.christie@oracle.com>
2020-10-26 3:33 ` [PATCH 01/17] vhost scsi: add lun parser helper Jason Wang
[not found] ` <1603326903-27052-4-git-send-email-michael.christie@oracle.com>
2020-10-26 3:34 ` [PATCH 03/17] vhost net: use goto error handling in open Jason Wang
[not found] ` <1603326903-27052-8-git-send-email-michael.christie@oracle.com>
2020-10-26 3:51 ` [PATCH 07/17] vhost scsi: support delayed IO vq creation Jason Wang
[not found] ` <49c2fc29-348c-06db-4823-392f7476d318@oracle.com>
2020-10-28 1:55 ` Jason Wang
2020-10-30 8:47 ` Michael S. Tsirkin
2020-11-02 6:36 ` Jason Wang
2020-11-02 6:49 ` Jason Wang [this message]
2020-10-29 21:47 ` [PATCH 00/17 V3] vhost: fix scsi cmd handling and cgroup support Michael S. Tsirkin
[not found] ` <1603326903-27052-10-git-send-email-michael.christie@oracle.com>
2020-10-30 8:51 ` [PATCH 09/17] vhost scsi: fix cmd completion race Michael S. Tsirkin
2020-10-30 16:04 ` Paolo Bonzini
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