Re: [Xen-devel] Xen 4.3 development update, and stock-taking

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Jan 18, 2013 at 10:50:46AM +0100, Roger Pau Monné wrote:
> On 17/01/13 12:22, George Dunlap wrote:
> > On 17/01/13 10:00, Roger Pau Monne wrote:
> >> On 16/01/13 18:55, George Dunlap wrote:
> >>> * Persistent grants for blk (external)
> >>>    owner: roger.pau@citrix
> >>>    status: Initial implementation posted
> >>>    prognosis: ?
> >> Done, Linux implementation scheduled for 3.8, and Qemu side is also done
> >> and being upstreamed right now.
> > 
> > OK, so I'll mark the Linux component as "done", and the qemu component 
> > as "Good".
> > 
> >>> * Persistent grants for net
> >>>    owner: annie.li@citrix
> >>>    status: Initial implementation posted
> >>>    prognosis: ?
> >>>
> >>> * Multi-page blk rings (external)
> >>>   - blkback in kernel (konrad@oracle, ?@intel)
> >>>   - qemu blkback
> >>>    status: Not started.
> >>>    prognosis: UNKNOWN
> >> I will be taking on this project, following Intel, FreeBSD and Konrad
> >> suggestions. Since I'm just starting now, I will mark it as "Fair".
> > 
> > OK, thanks for the info.  Out of curiosity, if someone were to consider 
> > this a blocker, would having someone else working on it speed things up, 
> > do you think?  Or is it development probably "non-parallelizable"? :-)
> 
> Let's wait until we have a clear roadmap about how are we going to
> handle it. This is not related to Xen itself, so I wouldn't see it as a
> blocker, most of the work will be done in the Linux kernel, and the only
> hypervisor part of this might be changes to the block protocol (blkif.h)
> and the ring (ring.h) protocol.

Did you have a chance to look at the issues I enumerated with the block
protocol?

Perhaps we should continue the discussion on the "clear roadmap" on that
thread?

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