From: Paolo Bonzini <pbonzini@redhat.com>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: "Nikunj A Dadhania" <nikunj@linux.vnet.ibm.com>,
"Alexander Graf" <agraf@suse.de>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"list@suse.de:PReP" <qemu-ppc@nongnu.org>,
"Paul Mackerras" <paulus@samba.org>,
"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH] spapr: add "compat" machine option
Date: Tue, 05 Nov 2013 11:46:52 +0100 [thread overview]
Message-ID: <5278CC9C.3000308@redhat.com> (raw)
In-Reply-To: <5278CC3E.4040907@ozlabs.ru>
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
next prev parent reply other threads:[~2013-11-05 10:47 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-27 8:06 [Qemu-devel] [PATCH] spapr: add "compat" machine option Alexey Kardashevskiy
2013-09-30 11:25 ` Alexander Graf
2013-09-30 11:52 ` Paolo Bonzini
2013-09-30 12:57 ` Alexey Kardashevskiy
2013-11-05 9:06 ` Paolo Bonzini
2013-11-05 9:16 ` Alexander Graf
2013-11-05 9:52 ` Paolo Bonzini
2013-11-05 10:27 ` Alexander Graf
2013-11-05 10:33 ` Paolo Bonzini
2013-11-05 10:45 ` Alexey Kardashevskiy
2013-11-05 10:46 ` Paolo Bonzini [this message]
2013-11-05 13:53 ` Andreas Färber
2013-11-06 11:36 ` Igor Mammedov
2013-11-07 9:11 ` Alexey Kardashevskiy
2013-11-07 13:36 ` Igor Mammedov
2013-11-08 8:22 ` Alexey Kardashevskiy
2013-11-08 13:20 ` Andreas Färber
2013-11-08 14:57 ` Alexey Kardashevskiy
2013-11-08 15:07 ` Andreas Färber
2013-11-07 14:01 ` Andreas Färber
2013-11-08 8:22 ` [Qemu-devel] [PATCH v2 0/2] " Alexey Kardashevskiy
2013-11-08 8:22 ` [Qemu-devel] [PATCH v2 1/2] cpu: add suboptions support Alexey Kardashevskiy
2013-11-08 8:22 ` [Qemu-devel] [PATCH v2 2/2] target-ppc: add "compat" CPU option Alexey Kardashevskiy
2013-11-08 13:24 ` [Qemu-devel] [PATCH v2 0/2] spapr: add "compat" machine option Andreas Färber
2013-11-06 3:27 ` [Qemu-devel] [PATCH] " Paul Mackerras
2013-09-30 13:22 ` Alexey Kardashevskiy
2013-09-30 14:49 ` Alexander Graf
2013-11-05 2:19 ` Alexey Kardashevskiy
2013-11-05 9:23 ` Alexander Graf
2013-11-06 5:48 ` Paul Mackerras
2013-11-06 12:07 ` Alexander Graf
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