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



On Tue, 13 May 2014, Stefano Stabellini wrote:
> On Tue, 13 May 2014, Fabio Fantoni wrote:
> > 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?
> 
> No, that would be all.
> Make sure to only have these commits on top of v2.0.0:
> 
> f31352041bdde436c3f6d07e1525a42e48dec215 xen_disk: add discard support
> 8b6bb0ad17ab776239ba2bfc99ff107ada01c506 pass an inclusive address range to 
> xc_domain_pin_memory_cacheattr
> 04b0de0ee83fe464487406064afe14de27decc24 xen: factor out common functions
> ad3f7e31bfc148135d93c176d1c9197933fa8344 xen: move Xen HVM files under 
> hw/i386/xen
> d5fdb85e3d2c319603f87f3205689ed5659f621d xen: move Xen PV machine files to 
> hw/xenpv
> c976437c7dba9c7444fb41df45468968aaa326ad qemu-xen: free all the pirqs for 
> msi/msix when driver unload
> fe680d0dac85e0f2d6c3b53838c250f6e0b1f49b exec: Limit translation limiting in 
> address_space_translate to xen
> 
> And please test the updated QEMU with PV (qdisk) and HVM guests.
> If everything works as expected, I can just pull your tree.

I had few minutes and I prepared a branch:

git://xenbits.xen.org/people/sstabellini/qemu-dm.git qemu-xen-for-4.5

however your help testing QEMU with HVM and PV guests would still be
very much appreciated and save me a lot of time!

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