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From: Anthony Liguori <anthony@codemonkey.ws>
To: Luiz Capitulino <lcapitulino@redhat.com>
Cc: qemu-devel <qemu-devel@nongnu.org>, Avi Kivity <avi@redhat.com>,
	Adam Litke <agl@us.ibm.com>
Subject: Re: [Qemu-devel] Re: [RFD] virtio: Add memory statistics reporting to the balloon driver
Date: Fri, 08 Jan 2010 10:31:28 -0600	[thread overview]
Message-ID: <4B475DE0.9040100@codemonkey.ws> (raw)
In-Reply-To: <20100107163014.47662b8c@doriath>

On 01/07/2010 12:30 PM, Luiz Capitulino wrote:
> On Thu, 7 Jan 2010 15:58:30 -0200
> Luiz Capitulino<lcapitulino@redhat.com>  wrote:
>
>    
>>   I like Daniel's idea too. In practice 'refresh-balloon' is going to
>> be Anthony's idea #1 for the QMP case, which seems the right way to
>> do it with QMP.
>>      
>   Hm, something that has just occurred to me: it's easy to have
> async messages in the user Monitor, we could add a new type of
> user print callback called async_print.
>
>   This new callback would be called by the Monitor when the async
> message API is called but we are in user mode.
>
>   This is really today's user_print, but user data is printed
> asynchronously.
>    

Even if we did that, it still suffers from the problem of a malicious or 
broken guest that would not respond thereby hanging the monitor.

Regards,

Anthony Liguori

  reply	other threads:[~2010-01-08 16:31 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-05 17:08 [Qemu-devel] [RFD] virtio: Add memory statistics reporting to the balloon driver Adam Litke
2010-01-07 15:12 ` [Qemu-devel] " Anthony Liguori
2010-01-07 15:18   ` Avi Kivity
2010-01-07 15:22     ` Anthony Liguori
2010-01-07 15:39       ` Adam Litke
2010-01-08  1:33       ` Jamie Lokier
2010-01-07 15:49   ` Daniel P. Berrange
2010-01-07 16:27     ` Adam Litke
2010-01-07 16:39       ` Avi Kivity
2010-01-07 16:56         ` Anthony Liguori
2010-01-07 17:58           ` Luiz Capitulino
2010-01-07 18:30             ` Luiz Capitulino
2010-01-08 16:31               ` Anthony Liguori [this message]
2010-01-08 16:51                 ` Luiz Capitulino
2010-01-08 17:01               ` Adam Litke
2010-01-08 17:25                 ` Luiz Capitulino

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