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Re: [Qemu-devel] QEMU: Discussion of separating core functionality vs su

From: Jes Sorensen
Subject: Re: [Qemu-devel] QEMU: Discussion of separating core functionality vs supportive features
Date: Wed, 02 Mar 2011 12:02:43 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7

On 03/02/11 11:56, Dor Laor wrote:
> On 03/02/2011 12:25 PM, Jes Sorensen wrote:
>> On 03/01/11 15:25, Dor Laor wrote:
>> Using shared memory this way should allow us to implement the video
>> clients without performance loss, in fact it should be beneficial since
>> it would allow them to run fully separate from the host daemon.
> Why do you call it a daemon? Each VM instance should have only one, the
> 'host daemon' naming is misleading.

I refer to it as a daemon because it is something the client(s) will
connect to. But yes, there will be a daemon per VM.

> The proper solution long term is to sandbox qemu in a way that there
> privileged mode and non privileged mode. It might be implemented using
> separate address space or not. Most operations like vnc/rpc/spice/usb
> should be run with less privileges.
> The main issue is that doing it right will take time and we'll want
> virt-agent be merged before the long term solution is ready. The best
> approach would be gradual development

Yes I agree, I don't think this will happen overnight, and blocking
virtagent with this would be bad.


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