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Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device |
Date: |
Wed, 7 Jun 2017 14:22:24 -0400 (EDT) |
> > How, since there is no synchronization point between the vhost-user
> > server on the source and the destination?
>
> The idea is that the backend should both stop picking up new requests and
> also quiesce outstanding requests upon a GET_VRING_BASE vhost message.
This could be documented, but perhaps it's best to add a START_STOP
feature and message to the vhost-user protocol?
The feature then can be optional for vhost-user-net and mandatory for
vhost-user-scsi. When this is done we can remove .unmigratable.
Thanks,
Paolo
> >
> > Can you please send a version of your patch that uses .unmigratable?
>
> Sure I can do that. We can work on the migration later on.
>
> >
> > I'll send a v6 that momentarily drops vhost-scsi, but I intend to
> > include it again in the next pull request.
>
> Sounds good to me.
>
> Felipe
>
> >
> > Thanks,
> >
> > Paolo
>
>
- [Qemu-devel] [PULL v5 00/33] Misc patches for 2017-06-01, Paolo Bonzini, 2017/06/07
- [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Paolo Bonzini, 2017/06/07
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Peter Maydell, 2017/06/07
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Paolo Bonzini, 2017/06/07
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Felipe Franciosi, 2017/06/07
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device,
Paolo Bonzini <=
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Michael S. Tsirkin, 2017/06/07
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Paolo Bonzini, 2017/06/07
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Michael S. Tsirkin, 2017/06/07
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Felipe Franciosi, 2017/06/08
- Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device, Paolo Bonzini, 2017/06/08