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Re: [Qemu-devel] Re: [PATCH 11/11] remove smp restriction from kvm


From: Glauber Costa
Subject: Re: [Qemu-devel] Re: [PATCH 11/11] remove smp restriction from kvm
Date: Thu, 3 Dec 2009 10:39:05 -0200

On Thu, Dec 3, 2009 at 10:37 AM, Avi Kivity <address@hidden> wrote:
> On 12/03/2009 02:36 PM, Glauber Costa wrote:
>>
>> On Thu, Dec 3, 2009 at 10:23 AM, Avi Kivity<address@hidden>  wrote:
>>
>>>
>>> On 12/02/2009 03:48 PM, Glauber Costa wrote:
>>>
>>>>
>>>> We don't support smp without irqchip in kernel, so only abort in
>>>> that situation
>>>>
>>>>
>>>
>>> What's the reason for this restriction?
>>>
>>
>> It is temporary. But as far as my testing goes, we don't come even close
>> to
>> working without in-kernel irqchip.
>>
>
> This works well in qemu-kvm.  What's the reason?  it may indicate a bug in
> up.

The reason is that we do not handle SIPI in qemu.git yet. Now that the basics
of smp are working, it should not be too difficult to get it working.

-- 
Glauber  Costa.
"Free as in Freedom"
http://glommer.net

"The less confident you are, the more serious you have to act."




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