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

[George Dunlap <dunlapg@xxxxxxxxx>]

On Fri, Apr 22, 2016 at 3:22 PM, Lars Kurth <lars.kurth.xen@xxxxxxxxx> wrote:
>
>> On 22 Apr 2016, at 15:08, George Dunlap <dunlapg@xxxxxxxxx> wrote:
>>
>> On Fri, Apr 22, 2016 at 2:26 PM, Lars Kurth <lars.kurth.xen@xxxxxxxxx> 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.
>>
>> hotplug disk backends (drbd, iscsi, &c) for HVM guests.
>>
>> hard affinity for credit2
>>
>> soft reset for pv guests
>>
>> kconfig for the hypervisor
>
> This is one which potentially has a big security impact and could be a 
> Headline Feature. Just to remind me, is KCONFIG a run-time or build-time 
> config mechanism. If the latter, distro users will not benefit from it.

Kconfig is build-time.  Distros could use it in principle, and I think
Gentoo will (that was part of Doug's motivation for doing it, IIUC).
But yes, I suspect most distros will keep everything in by default.
It's more a feature for embedded / security-conscious vendors.

 -George

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