Re: [PATCH] tcm_vhost: Add hotplug/hotunplug support

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On Tue, 2013-03-05 at 16:34 +0200, Michael S. Tsirkin wrote:
> On Tue, Mar 05, 2013 at 02:21:20PM +0100, Paolo Bonzini wrote:
> > Il 05/03/2013 13:11, Michael S. Tsirkin ha scritto:
> > >> > +
> > >> > +	struct vhost_work vs_event_work; /* evt injection work item */
> > >> > +	struct llist_head vs_event_list; /* evt injection queue */
> > >> > +
> > >> > +	bool vs_events_dropped;
> > > Documentation pls.
> > > Also - how is this handled during migration?
> > 
> > Migration is not supported by vhost-scsi but yes, we would need to
> > retrieve this bit.
> > 
> > Paolo
> 
> Well at the moment nothing is supported as there's no userspace
> upstream :(
> 
> > > Don't we need a way for userspace to retrieve this bit?
> > > 

Btw, the vhost-scsi userspace with ABIv1 bumped for Asias's v3.9
tcm_vhost multi-target kernel changes are here:

http://git.kernel.org/cgit/virt/kvm/nab/qemu-kvm.git/log/?h=vhost-scsi-for-1.3-abi-v1

For making progress with Paolo's vhost-scsi branch on my side, this was
still being blocked by bios boot hangs:

http://www.spinics.net/lists/target-devel/msg03830.html

Paolo & Co, any ideas on the latter..?

--nab

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