[PATCH RFC 00/19] qemu: Bump minimum supported qemu to qemu-3.1

[Daniel P. Berrangé]

On Thu, Feb 10, 2022 at 01:45:21PM +0100, Peter Krempa wrote:
> As of April 23 2022, Ubuntu 20.04 will be out for two years, which means
> we no longer have to support Ubuntu 18.04 along with qemu-2.11 shipped
> with it.
> 
> The supported platforms thus will have the following qemu versions:
> 
>        Debian 10/Stable: 3.1
>      OpenSUSE Leap 15.3: 5.2
>            Ubuntu 20.04: 4.2
>         RHEL/Centos 8.4: 4.2
> 
> If we consider 'Debian 10 backports' as update to 'Debian 10' we can
> actually go further and update to 4.2.

I don't consider 'Debian backports' to be in scope for evaluating
min versions. Just the primary repos that can be assumed to be
present by defualt. Only signficant exception there  is EPEL
because RHEL/CentOS etc are so limited in their base package set.

Specifically in Debian backports the project itself cautions
against its general use https://backports.debian.org/

 "Backports cannot be tested as extensively as Debian stable, 
  and backports are provided on an as-is basis, with risk of 
  incompatibilities with other components in Debian stable. 
  Use with care!"

> I'm sending this series early to initiate discussion, but I won't mind
> killing of the support earlier ;).

Note until the corresponding dockerfiles are removed from the
gitlab CI config, the platforms are still in scope.


Regards,
Daniel
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