Re: [Xen-devel] [libvirt] [PATCH LIBVIRT] libxl: Use libxentoollog in preference to libxenctrl if available.

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-12-15 at 16:15 -0700, Jim Fehlig wrote:
> On 12/14/2015 04:37 AM, Ian Campbell wrote:
> > On Mon, 2015-12-14 at 11:15 +0000, Daniel P. Berrange wrote:
> > > On Thu, Dec 10, 2015 at 11:38:36AM +0000, Ian Campbell wrote:
> > > > Upstream Xen is in the process of splitting the (stable API) xtl_*
> > > > interfaces out from the (unstable API) libxenctrl library and into
> > > > a
> > > > new (stable API) libxentoollog.
> > > > 
> > > > In order to be compatible with Xen both before and after this
> > > > transition check for xtl_createlogger_stdiostream in a
> > > > libxentoollog
> > > > library and use it if present. If it is not present assume it is in
> > > > libxenctrl.
> > > Ok, so there's no API changes, just move stuf from one to the other.
> > Indeed, it should really have been a separate library all along and the
> > API
> > already setup that way.
> > 
> > I'm working on some other library splits, which will involve API
> > changes,
> > but AFAIK they are all isolated from libvirt via the use of libxl, so
> > there
> > should be no churn for you guys other than this one patch.
> > 
> > > > It might be nice to get this into 1.3.0 so that supports Xen 4.7
> > > > out
> > > > of the box? Not sure what the libvirt stable backport policy is but
> > > > it
> > > > might also be good to eventually consider it for that?
> > > We've missed 1.3.0 release, but I'd be ok with adding it to the
> > > stable branch if that's going to be useful.
> > I think it would, to allow things to build with Xen 4.7 (when it is
> > released).
> 
> I'm not sure it is necessary. libvirt is released monthly, so there will be
> several releases before Xen 4.7 is released.

AH, I didn't realise it was on such a fast cadence, that's ok then.

> > [...]
> > 
> > > Looks, fine from me but will let Jim push it.
> 
> I've pushed the patch to master, but not the 1.3.0 maint branch. It will be
> included in the 1.3.1 release planned for mid January. Ian, do you think that 
> is
> sufficient?

Easily, thanks.

Ian.

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