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Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15 |
Date: |
Wed, 10 May 2017 17:37:11 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
Thomas Huth <address@hidden> writes:
> On 10.05.2017 11:08, Daniel P. Berrange wrote:
>> On Wed, May 10, 2017 at 08:48:53AM +0200, Thomas Huth wrote:
[...]
>> Also unless we're going to get more serious about automated testing to
>> validate machine type compatibility between *all* previously releases,
>> I think that 6 years / 18 releases is too long a time to have any
>> confidence in migration compatibility between versions.
Seconded.
> Distro vendors often offer 5 - 10 years support for certain versions of
> their Linux distros, so I think we should at least support 5 years, too.
Non sequitur.
Distro vendors put in serious work to keep versions working for 5 - 10
years. We can't, and we don't. All we do is try not to break things,
which is nice, and helps the distro vendors some, but a far cry from
anything I'd dare call "support".
Perhaps an argument could be made that us keeping to try for at least 5
years would help distro vendors enough to be worthwhile. Maybe, but
color me skeptic.
>> IOW, I think you should be more aggressive in culling old machine types
>> that this patch is...
>
> Actually, I like the idea of using the major release versions for
> defining the set of removal - hoping that we will do a v3.0 next year
> which then would support the previous two major release versions 1.x and
> 2.x, but drops support for the 0.xx versions completely ...
I wouldn't put *that* much weight into our past version numbers. If I
remember correctly, there was no more to 1.0 than a feeling of "this 0.x
thing is getting ridiculous".
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, (continued)
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Daniel P. Berrange, 2017/05/10
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Thomas Huth, 2017/05/10
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Daniel P. Berrange, 2017/05/10
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Thomas Huth, 2017/05/10
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Paolo Bonzini, 2017/05/10
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Markus Armbruster, 2017/05/11
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Thomas Huth, 2017/05/11
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Daniel P. Berrange, 2017/05/11
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Markus Armbruster, 2017/05/11
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Thomas Huth, 2017/05/12
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15,
Markus Armbruster <=
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Paolo Bonzini, 2017/05/10
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Dr. David Alan Gilbert, 2017/05/10
- Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Markus Armbruster, 2017/05/11
Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Dr. David Alan Gilbert, 2017/05/10
Re: [Qemu-devel] [PATCH] hw/i386: Deprecate the machines pc-0.10 to pc-0.15, Paolo Bonzini, 2017/05/10