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Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option |
Date: |
Tue, 05 Nov 2013 11:46:52 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130923 Thunderbird/17.0.9 |
Il 05/11/2013 11:45, Alexey Kardashevskiy ha scritto:
>> > Still in my opinion it should be "-cpu", not "-machine". Even if it's
>> > just a "virtual" CPU model.
> The compat option itself does not make much sense (yes we could just add
> yet another CPU class and that's it) but with the
> ibm,client-architecture-support we will have to implement this
> compatibility mode anyway. Since the guest can ask for a compatibility mode
> change, we either have to support compat option or hot-unplug all (all) CPU
> objects in QEMU and hotplug CPUs of the requested model. Or always reset
> the guest if it asked for a compatibility mode and recreate CPUs in QEMU
> during reset. As for me, the compat option seems simpler.
Sure, just make it a suboption of "-cpu" rather than "-machine".
Paolo
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Alexey Kardashevskiy, 2013/11/04
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Paolo Bonzini, 2013/11/05
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Andreas Färber, 2013/11/05
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Igor Mammedov, 2013/11/06
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Alexey Kardashevskiy, 2013/11/07
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Igor Mammedov, 2013/11/07
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Alexey Kardashevskiy, 2013/11/08
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Andreas Färber, 2013/11/08
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Alexey Kardashevskiy, 2013/11/08
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Andreas Färber, 2013/11/08
- Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option, Andreas Färber, 2013/11/07
- [Qemu-devel] [PATCH v2 0/2] spapr: add "compat" machine option, Alexey Kardashevskiy, 2013/11/08