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From: Marcel Apfelbaum <marcel@redhat.com>
Message-ID: <b3bd4bd1-dbe0-ba4f-bb4f-9eacd0773597@redhat.com>
Date: Wed, 12 Jul 2017 09:18:18 +0300
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Subject: Re: [Qemu-devel] change x86 default machine type to Q35?
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To: Gerd Hoffmann <kraxel@redhat.com>, Kevin Wolf <kwolf@redhat.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>, Eduardo Habkost <ehabkost@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, libvir-list@redhat.com, Thomas Huth <thuth@redhat.com>, qemu-devel@nongnu.org, Chao Peng <chao.p.peng@linux.intel.com>, Paolo Bonzini <pbonzini@redhat.com>, Laszlo Ersek <lersek@redhat.com>

On 12/07/2017 8:51, Gerd Hoffmann wrote:
>    Hi,
>

Hi,

>>> I think simply not having a default
>>> machine type (as already suggested elsewhere in this thread) is the
>>> best way to deal with this.
>>
>> I would absolutely hate this. One of the nice things about qemu has
>> always been that 'qemu disk.img' is enough to start a simple VM.
> 
> Well, not really.  There is no "qemu" any more, and there are other
> defaults like default memory size which need tweaks, so the minimum
> command line isn't that short any more and looks more like this:
> 
>      qemu-system-x86_64 -enable-kvm -m 1G disk.img
>

If the command line is the main concern, I don't think is
enough to be the reason not to switch the default.
We can work on achieving the same/close with Q35.

Thanks,
Marcel


> cheers,
>    Gerd
>