Re: Xen 4.5 Development Update (GA slip by a week) - reviewing experimental/preview tags

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Tue, Jan 06, 2015 at 05:24:19PM +0000, Lars Kurth wrote:
> (Reduced CC list)
> Hi all, updating http://wiki.xenproject.org/wiki/Xen_Project_Release_Features there appear to be a few features where it may be worth to upgrade a feature for 4.5. The following ones spring to mind
> * Credit 2 Scheduler : experimental to preview - actually this raises the question what the difference is
> * Nested Virt - I did see a few tests being developed recently and have not seen anyone raise bugs. It is also a requirement for OpenStack

> * OVMF/Tianocore : experimental to preview

We did not change anything in Xen 4.5 in regards to that. Thought
Xen 4.6 can now ingest the upstream version which has Xen PV drivers
support.
> 
> I am assuming the following ones remain unchanged?
> * Memory Ballooning/Sharing - have not seen any extra tools support
> * TMEM

Yes.
> 
> Regards
> Lars
> 
> On 5 Jan 2015, at 20:08, konrad.wilk@oracle.com wrote:
> 
> > Xen 4.5-rc4 was out on Monday (Dec 15th). The GA
> > General Release is on Jan 7th^H^H^14th!
> > 
> > There are some outstanding patches on which we need to figure
> > out whether we will commit them in or not.
> > 
> > When we commit a patch in, the OSSTest takes a day or so to push it to 'master'
> > - and if it fails during that time patches that are later in the sequence are
> > not applied. Hence if everything works out great - we get the patches
> > to show up next day - however if something breaks - we are stalled.
> > 
> > Ian(s) has pointed to me that the OSSTest is sometimes on the fritz and that it
> > might take more than one day to push patches through which means we won't
> > make it by Wednesday.
> > 
> > As such, moving it the release by a week to give us ample room to get through
> > those changes.
> > 
> > These are the patches that need to be investigated whether they should
> > go in or not:
> > 
> > VT-d: don't crash when PTE bits 52 and up are non-zero
> > VT-d: extend XSA-59 workaround to XeonE5 v3 (Haswell)
> > VT-d: make XSA-59 workaround fully cover XeonE5/E7 v2
> > x86/VPMU: Clear last_vcpu when destroying VPMU
> > tools/hotplug: add wrapper to start xenstored
> > tools/hotplug: remove EnvironmentFile from xen-qemu-dom0-disk-backend.service
> > tools/hotplug: use XENCONSOLED_TRACE in xenconsoled.service
> > tools/hotplug: use xencommons as EnvironmentFile in xenconsoled.service
> > tools/hotplug: xendomains.service depends on network
> > tools/hotplug: remove XENSTORED_ROOTDIR from xenstored.service
> > tools/hotplug: remove SELinux options from var-lib-xenstored.mount
> > tools/libxl: Use of init()/dispose() to avoid leaking libxl_dominfo.ss
> > xen: arm: correct off-by-one error in consider_module
> > 
> > 
> > = Timeline =
> > 
> > Xen 4.5 is a 10 month release. The dates are:
> > 
> > * Feature Freeze: 24th September 2014
> > * First RC: 24th October [Friday!]
> > * RC2: Nov 11th
> > * RC2 Test-day: Nov 13th
> > * RC3: Dec 3rd.
> > * RC3 Test-day: Dec 4th
> > * RC4: Dec 15th
> > * RC4 Test-day: Dec 17th
> > 
> > <==== WE ARE HERE ===>
> > 
> > Release Date: Jan 14th.
> > 
> > 
> > _______________________________________________
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> > Xen-devel@lists.xen.org
> > http://lists.xen.org/xen-devel
>