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Re: [Xen-devel] Xen 4.7 Headline Features (for PR)

On Fri, Apr 22, 2016 at 3:19 PM, Lars Kurth <lars.kurth.xen@xxxxxxxxx> wrote:
>> On 22 Apr 2016, at 14:39, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:
>> On Fri, Apr 22, 2016 at 02:26:39PM +0100, Lars Kurth wrote:
>>> Folks,
>>> given that we have we are getting close to RC's, I would like to start to 
>>> spec out the headline Features for the press release. The big items I am 
>>> aware of are COLO. I am a little confused about xSplice.
>>> Maybe we can use this thread to start collating a short-list.
> Typically we have 3-5 Headline Features in a press release.
>> xSplice is definitively the first one on my list. I'm actually holding
>> off cutting RC1 waiting for it to be merged.
> This would definitely be the #1 Headline feature then. It's the single most 
> important thing we have done in a while and it has the potential to positive
>> COLO is also a candidate, but there are many components that are not yet
>> upstream. Those are not necessarily part of xen.
> Alright, we may need to be careful as to not raise wrong expectations, if 
> there are missing pieces say in QEMU. On the other hand, having this in place 
> before KVM is also nice.
>> ACPI support on ARM is also a possible candidate.
> Agreed. Also easy to explain.
>> There are also new PVUSB support in toolstack and some Intel features
>> but I think they are less shiny.
> I am working with Intel product management to better understand the use-cases 
> for some of these and the user impact/benefit. That was something, we were 
> struggling with in the past (aka acronym overload and hard to understand the 
> big picture).

Posted interrupts should allow a transparent improvement in
performance for passed-through devices (when hardware support is


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