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Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused comp
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code |
Date: |
Thu, 11 Feb 2016 21:49:59 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
On 11/02/2016 17:33, Michael S. Tsirkin wrote:
>> They won't start unless the QEMU command-line is changed, because
>> they are using a feature QEMU won't support anymore. Why is that
>> a problem?
>
> We don't support installing one machine type, then switching.
Uhm, we definitely support people using qemu directly with no -M option
at all with installed VMs. That's the same as switching machine types
every time a new QEMU is released.
At least RHEV supports switching machine types, even RHEL6->RHEL7.
There are constraints on when to do that because it affects the whole
datacenter, but it is done routinely because each RHEV release only
supports two machine types IIRC.
Paolo
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, (continued)
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Michael S. Tsirkin, 2016/02/04
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Eduardo Habkost, 2016/02/04
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Michael S. Tsirkin, 2016/02/04
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Markus Armbruster, 2016/02/05
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Eduardo Habkost, 2016/02/05
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Michael S. Tsirkin, 2016/02/06
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Eduardo Habkost, 2016/02/11
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Michael S. Tsirkin, 2016/02/11
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Eduardo Habkost, 2016/02/11
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Paolo Bonzini, 2016/02/11
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Markus Armbruster, 2016/02/12
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Markus Armbruster, 2016/02/18
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Michael S. Tsirkin, 2016/02/18
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Markus Armbruster, 2016/02/18
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Markus Armbruster, 2016/02/05
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Michael S. Tsirkin, 2016/02/07
- Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Markus Armbruster, 2016/02/08
Re: [Qemu-devel] [PATCH v2 0/5] q35: Remove old machines and unused compat code, Markus Armbruster, 2016/02/18