[Xen-devel] Is: Discussion about doing it in Xen 4.5 or Xen 4.6 Was:Re: [PATCH] tools: remove blktap1

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

On Tue, Nov 04, 2014 at 06:07:19PM +0000, Andrew Cooper wrote:
> On 04/11/14 17:32, Konrad Rzeszutek Wilk wrote:
> > On Tue, Nov 04, 2014 at 11:52:47AM +0000, Ian Campbell wrote:
> >> This was disabled by default in Xen 4.4. Since xend has now been removed 
> >> from
> >> the tree I don't believe anything is using it.
> > What about XenServer?
> 
> We are most definitely not using it, and havenât used it in a very long
> time. We explicitly nuke BLKTAP1 and BLKTAP2 from the Xen build.
> 
> >
> > And isn't there some blktap3 ?
> 
> https://github.com/xapi-project/blktap
> 
> >
> >> We need to pass an explicit CONFIG_BLKTAP1=n to qemu-xen-traditional 
> >> otherwise
> >> it defaults to y and doesn't build.
> >>
> >> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> >> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> >> ---
> >> I think this has probably missed the boat for 4.5 and there isn't much 
> >> harm in
> >> waiting for 4.6. I'm open to being told otherwise though ;-)
> > You really want to be at the top of the commit list with the most deleted
> > code, eh?
> 
> /me suspects that he is already, but I for one am a fan of pruning dead
> code.

True, but we did talk about xend removal for quite a while before doing it.

However, I believe that the folks that did Remus look to be using it
(And they have tons of patches against it).


   It is unclear to me whether they:
        - want to be the maintainers of it?
        - want to use blktap3 but haven't yet backported their patches.


> 
> ~Andrew
> 

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