Re: [PATCH for-4.15 v2] SUPPORT.MD: Mark LiveUpdate of C XenStored daemon as Tech Preview

[Julien Grall <julien@xxxxxxx>]

Hi Andrew,

On 17/03/2021 11:59, Andrew Cooper wrote:
> On 17/03/2021 11:54, Julien Grall wrote:
> > On 17/03/2021 11:49, Andrew Cooper wrote:
> > > On 17/03/2021 11:27, Julien Grall wrote:
> > > > From: Julien Grall <jgrall@xxxxxxxxxx>
> > > >
> > > > Support to liveupdate C XenStored daemon was added during the 4.15
> > > > development cycle. Add a section in SUPPORT.MD to explain what is the
> > > > support state.
> > > >
> > > > For now, it is a tech preview.
> > > >
> > > > Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
> > > What about oxenstored ?
> > Oh, I read your answer as there is no support. I can resend a patch
> > with the following title:
> >
> > "LiveUpdate of C/Ocaml XenStored daemon"
> I'd put it at tech preview, just like Cxenstored.  In particular, it has
> the same issues concerning outstanding transactions.
I have some work planned for C XenStored to mitigate that as Paul 
recently discovered that some Windows PV drivers may leak transactions 
(see [1]).
> It might however be worth having separate line items in SUPPORT.md to
> start with, just in case the different implementations progress to
> supported at different times.  (More likely, as there isn't an embargo
> adding urgency the work now.)
Sure. Let me respin the patch.

Cheers,


[1] 
https://xenbits.xen.org/gitweb/?p=pvdrivers/win/xenbus.git;a=commit;h=4d3c233a51aef91d464db4d295a1d76ef774a27d
--
Julien Grall