From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH] Emulate MSR_EBC_FREQUENCY_ID
Date: Thu, 09 Sep 2010 10:29:47 +0200 [thread overview]
Message-ID: <4C889AFB.3000106@redhat.com> (raw)
In-Reply-To: <4C8896FA.1040103@redhat.com>
On 09/09/10 10:12, Avi Kivity wrote:
> From the spec:
>
>> 31:24 Core Clock Frequency to System
>> Bus Frequency Ratio. (R)
>> The processor core clock
>> frequency to system bus
>> frequency ratio observed at the
>> de-assertion of the reset pin.
>
> A frequency ratio of 0 might be unexpected by some guests.
Problem with that one is that it is only for CPU models 2, 3, 4, 6.
I haven't found a way to distinguish CPU models from within KVM, but
maybe I am blind?
Bits 31:24 are invalid on models 0 and 1.
Cheers,
Jes
next prev parent reply other threads:[~2010-09-09 8:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-09 7:33 [PATCH] Emulate MSR_EBC_FREQUENCY_ID Jes.Sorensen
2010-09-09 8:12 ` Avi Kivity
2010-09-09 8:29 ` Jes Sorensen [this message]
2010-09-09 8:55 ` Jes Sorensen
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