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Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the ho
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it |
Date: |
Wed, 3 Oct 2012 21:26:27 +0100 |
On 3 October 2012 21:01, Blue Swirl <address@hidden> wrote:
> On Mon, Oct 1, 2012 at 4:20 PM, Anthony Liguori <address@hidden> wrote:
>> Jan Kiszka <address@hidden> writes:
>>> + /* The default accelerator depends on the availability of KVM. */
>>> + p = kvm_configured ? "kvm" : "tcg";
>>> }
>> Blue/Aurelien, any objections?
>
> No, maybe a message could be printed that says that the default has
> changed, for a few releases.
I've lost track of the conversation, are we currently proposing
the accelerator default to be "kvm" (as per the original patch
you quote here) or "kvm:tcg" ?
I'm not entirely sure which I prefer from an ARM perspective
For some time to come and for a lot of targets (ie any target
CPU except A15), having a default of "kvm" is going to cause
existing working commandlines to stop working. [I expect that
ARM-host qemu binaries will be built with CONFIG_KVM once ARM
KVM support lands, but the same binary will be run on hosts
without virtualization extensions.] On the other hand, perhaps
there just aren't really very many people who run QEMU on
ARM hosts, and so we can ignore them :-)
-- PMM
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, (continued)
Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Paolo Bonzini, 2012/10/01
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Jan Kiszka, 2012/10/01
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Anthony Liguori, 2012/10/01
- [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Jan Kiszka, 2012/10/01
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Anthony Liguori, 2012/10/01
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Aurelien Jarno, 2012/10/01
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Jan Kiszka, 2012/10/03
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Blue Swirl, 2012/10/03
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it,
Peter Maydell <=
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Alexander Graf, 2012/10/04
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Anthony Liguori, 2012/10/04
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Alexander Graf, 2012/10/04
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Peter Maydell, 2012/10/05
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Andreas Färber, 2012/10/08
- Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Alexander Graf, 2012/10/08
Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Andreas Färber, 2012/10/01
Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Daniel P. Berrange, 2012/10/01
Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Anthony Liguori, 2012/10/01
Re: [Qemu-devel] [PATCH] kvm: Set default accelerator to "kvm" if the host supports it, Paolo Bonzini, 2012/10/01