Re: [Xen-devel] [PATCH v5] libxl: add option for discard support to xl disk configuration

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 12/05/2014 17:44, Stefano Stabellini ha scritto:
> On Mon, 12 May 2014, Olaf Hering wrote:
> > On Mon, May 12, Ian Jackson wrote:
> >
> > > Olaf Hering writes ("Re: [PATCH v5] libxl: add option for discard support to xl disk 
> > > configuration"):
> > > > Stefano,
> > > > please backport these changes from qemu.git to qemu-xen.git so that
> > > > discard:
> > > > 58da5b1e01a586eb5a52ba3eec342d6828269839 xen_disk: fix io accounting
> > > > f31352041bdde436c3f6d07e1525a42e48dec215 xen_disk: add discard support
> > > Do you mean you want these patches backported from our qemu upstream
> > > to the old ("traditional") xen qemu fork ?
> > I mean this copy, sorry if the wording was misleading:
> > git://xenbits.xen.org/qemu-upstream-unstable.git
> >
> > Looks like its state is currently at "1.6.2 + something".
> Right. I didn't reply but I agree.
> I think that we should upgrade qemu-upstream-unstable to QEMU v2.0, plus
> this series:
>
> http://marc.info/?l=qemu-devel&m=139948451916847&w=2
>
> but I haven't had the time to do it yet.
If nobody does it before, I'll prepare andtest and the qemu 2.0.0 + xen 
missed patches as soon as I have time and I'll post iton github where 
you can easily do a pull.
Or anything else "special" are needed?

Is also important remember to update also the seabios version to 1.7.4 
to avoid regression in some cases with qemu >=1.7.
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