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From: Glauber Costa <glommer@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Glauber Costa <glommer@redhat.com>,
	aliguori@us.ibm.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [PATCH 11/11] remove smp restriction from kvm
Date: Thu, 3 Dec 2009 10:39:05 -0200	[thread overview]
Message-ID: <5d6222a80912030439i79eba707h424efce964dec7d3@mail.gmail.com> (raw)
In-Reply-To: <4B17B10A.1070801@redhat.com>

On Thu, Dec 3, 2009 at 10:37 AM, Avi Kivity <avi@redhat.com> wrote:
> On 12/03/2009 02:36 PM, Glauber Costa wrote:
>>
>> On Thu, Dec 3, 2009 at 10:23 AM, Avi Kivity<avi@redhat.com>  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."

  reply	other threads:[~2009-12-03 12:39 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-02 13:48 [Qemu-devel] [PATCH 00/11] SMP support in qemu.git Glauber Costa
2009-12-02 13:48 ` [Qemu-devel] [PATCH 01/11] Don't mess with halted state Glauber Costa
2009-12-02 13:48   ` [Qemu-devel] [PATCH 02/11] store thread-specific env information Glauber Costa
2009-12-02 13:48     ` [Qemu-devel] [PATCH 03/11] update halted state on mp_state sync Glauber Costa
2009-12-02 13:48       ` [Qemu-devel] [PATCH 04/11] qemu_flush_work for remote vcpu execution Glauber Costa
2009-12-02 13:48         ` [Qemu-devel] [PATCH 05/11] tell kernel about all registers instead of just mp_state Glauber Costa
2009-12-02 13:48           ` [Qemu-devel] [PATCH 06/11] flush state in migration post_load Glauber Costa
2009-12-02 13:48             ` [Qemu-devel] [PATCH 07/11] Don't call kvm cpu reset on initialization Glauber Costa
2009-12-02 13:48               ` [Qemu-devel] [PATCH 08/11] use cpu_kick instead of direct signalling Glauber Costa
2009-12-02 13:48                 ` [Qemu-devel] [PATCH 09/11] Use per-cpu reset handlers Glauber Costa
2009-12-02 13:48                   ` [Qemu-devel] [PATCH 10/11] Use __thread where available Glauber Costa
2009-12-02 13:48                     ` [Qemu-devel] [PATCH 11/11] remove smp restriction from kvm Glauber Costa
2009-12-03 12:23                       ` [Qemu-devel] " Avi Kivity
2009-12-03 12:36                         ` Glauber Costa
2009-12-03 12:37                           ` Avi Kivity
2009-12-03 12:39                             ` Glauber Costa [this message]
2009-12-03 12:40                               ` Avi Kivity
2009-12-03 12:20         ` [Qemu-devel] Re: [PATCH 04/11] qemu_flush_work for remote vcpu execution Avi Kivity
2009-12-03 12:33           ` Glauber Costa
2009-12-03 12:35             ` Avi Kivity
2009-12-03 12:37               ` Glauber Costa
2009-12-03 12:40                 ` Avi Kivity
2009-12-03 14:29         ` Paolo Bonzini
2009-12-03 15:02           ` Glauber Costa

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