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From: Marcelo Tosatti <mtosatti@redhat.com>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: kvm@vger.kernel.org, Glauber de Oliveira Costa <gcosta@redhat.com>
Subject: Re: Houston, we have May 15, 1953 (says guest when host uses cpufreq, and dies)
Date: Wed, 18 Feb 2009 17:03:59 -0300	[thread overview]
Message-ID: <20090218200359.GA26940@amt.cnet> (raw)
In-Reply-To: <499C6957.6030908@wpkg.org>

On Wed, Feb 18, 2009 at 09:02:31PM +0100, Tomasz Chmielewski wrote:
> Marcelo Tosatti schrieb:
>> On Wed, Feb 18, 2009 at 08:18:50PM +0100, Tomasz Chmielewski wrote:
>>> Marcelo Tosatti schrieb:
>>>
>>>>> - what CPU frequency will the guests show? Current host 
>>>>> frequency? Host  frequency from the moment the guest booted (i.e. 
>>>>> right now the guest  will show 1GHz even if the host is running 
>>>>> at 2GHz, or the way around)?
>>>> Host frequency from the moment the guest booted, since the guest does
>>>> not receive frequency change notifications.
>>> Is it possible (or is it planned) to pass frequency to the guest (the 
>>>  one which is displayed in /proc/cpuinfo)?
>>
>> Possible, not planned AFAIK.
>
> Possible, right now? How?

Write a paravirt notification scheme.


  reply	other threads:[~2009-02-18 20:04 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-18 14:51 Houston, we have May 15, 1953 (says guest when host uses cpufreq, and dies) Tomasz Chmielewski
2009-02-18 16:02 ` Anthony Liguori
2009-02-18 16:11   ` Tomasz Chmielewski
2009-02-18 16:59     ` Avi Kivity
2009-02-18 17:02       ` Tomasz Chmielewski
2009-02-18 20:37       ` Anthony Liguori
2009-02-19  9:15         ` Gerd Hoffmann
2009-02-19  9:20           ` Tomasz Chmielewski
2009-02-19 10:27             ` Gerd Hoffmann
2009-02-18 18:46 ` Marcelo Tosatti
2009-02-18 18:53   ` Tomasz Chmielewski
2009-02-18 18:57     ` Marcelo Tosatti
2009-02-18 19:07       ` Tomasz Chmielewski
2009-02-18 19:10         ` Marcelo Tosatti
2009-02-18 19:18           ` Tomasz Chmielewski
2009-02-18 19:32             ` Marcelo Tosatti
2009-02-18 20:02               ` Tomasz Chmielewski
2009-02-18 20:03                 ` Marcelo Tosatti [this message]
2009-02-19 14:43                   ` Tomasz Chmielewski
2009-03-07 14:59       ` Tomasz Chmielewski

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