Meta-package naming for Xenial LTS backports

[Leann Ogasawara]

On Fri, Aug 5, 2016 at 12:36 PM, Christopher Arges <
chris.j.arges at canonical.com> wrote:

> FWIW -dev has a specific meaning with debian binary packages, as it
> usually contains headers / code etc.
>
> -preview seems fine
>
> So -hwe-16.04-preview means, roll me earlier to the 18.04 kernel when it
> becomes available?
>

Yes, and just to be clear, with hwe-16.04-preview you will roll to an early
preview of the latest available HWE kernel within the 16.04 LTS, ie. you'll
get the early preview of the 16.10 HWE kernel, then the early preview of
the 17.04 HWE kernel, the early preview of the 17.10 HWE kernel and finally
the early preview of the 18.04 HWE kernel.  Once on the 18.04 HWE kernel
you will stay on the 18.04 HWE kernel for the remainder of the 16.04 LTS.
If you do a full upgrade to Ubuntu 18.04 LTS, you will not keep rolling on
HWE kernels, you will stay on the 18.04 GA kernel.


> While -hwe-rolling-preview means, roll me to any new HWE kernel whenever
> it is available?
>

You will roll to early HWE kernel previews as described above.  However,
the difference here is that if you do a full upgrade to Ubuntu 18.04 LTS,
hwe-rolling-preview will keep you rolling on early previews of the 18.04
HWE kernels as they are introduced.

Thanks,
Leann

On Fri, Aug 5, 2016 at 2:22 PM, Leann Ogasawara <
> leann.ogasawara at canonical.com> wrote:
>
>> On Fri, Jul 29, 2016 at 1:09 PM, Tim Gardner <tim.gardner at canonical.com>
>> wrote:
>>
>>> On 07/29/2016 10:37 AM, Andy Whitcroft wrote:
>>> > On Thu, Jul 28, 2016 at 08:40:46AM -0700, Tim Gardner wrote:
>>> >> On 07/27/2016 08:04 AM, Andy Whitcroft wrote:
>>> >>> We have been discussing some naming for new meta-packages to allow
>>> for
>>> >>> automatic rolling upgrades between Hardware Enablement (HWE) kernels
>>> >>> within the LTS series.  This thread aims to firm those up.
>>> >>>
>>> >>> Currently we have meta-packages of the following forms:
>>> >>>
>>> >>>     linux{,-image,-headers,-signed,-tools}-<flavour>[-<variant>]
>>> >>>
>>> >>> The flavour then represents the primary use case for the kernel (for
>>> >>> example generic and lowlatency) and the optional variant currently is
>>> >>> used to identify the HWE kernels (lts-<series>).  For example:
>>> >>>
>>> >>>     linux-image-generic-lts-xenial
>>> >>>
>>> >>> The desire is to offer a rolling HWE kernel, this means a kernel
>>> variant
>>> >>> which is updated automatically to the latest available HWE kernel
>>> within
>>> >>> the LTS.  We would expect that to update to the next HWE kernel at
>>> each
>>> >>> point release.  We wish to offer this in two forms, rolling until we
>>> >>> reach the next LTS release and continuing to roll after an upgrade.
>>> >>> Finally we wish to be able to offer early accesss to these updates as
>>> >>> soon as they are available for testing purposes.
>>> >>>
>>> >>> We are proposing the following variants:
>>> >>>
>>> >>>     -hwe-16.04
>>> >>>     -hwe-rolling
>>> >>>     -hwe-16.04-early
>>> >>>     -hwe-rolling-early
>>> >>>
>>> >>> So for example:
>>> >>>
>>> >>>     linux-generic-hwe-16.04
>>> >>>
>>> >>> /me puts up some substantial scaffolding round his bikeshed.
>>> >>>
>>> >>> -apw
>>> >>>
>>> >>
>>> >> I think the first 2 are fine. What is your intended use for "-early" ?
>>> >> I'm reluctant to endorse something like "-early" if it isn't a release
>>> >> requirement. Otherwise it'll get forgotten and grow stale.
>>> >
>>> > The intent of -early is it updated on the same cadance as the main
>>> ones,
>>> > but it switches from lts-Y to lts-Z on first availability rather than
>>> > waiting for the point release.  So they are the same much of the time,
>>> > then when a new lts-Z is available that one will switch to it, we
>>> > stablise it, and then the non -early one moves over to join it.
>>> >
>>> > -apw
>>> >
>>>
>>> In the interest of bike shedding, perhaps "-dev" would be more
>>> descriptive.
>>>
>>
>> I like "-preview", anyone else want to pick a color?
>>
>> Thanks,
>> Leann
>>
>> --
>> kernel-team mailing list
>> kernel-team at lists.ubuntu.com
>> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>>
>>
>
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