From: David Ahern <dsahern@gmail.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: KVM mailing list <kvm@vger.kernel.org>
Subject: Re: use of PMU in guest generates messages in host
Date: Thu, 12 Jan 2012 10:07:53 -0700 [thread overview]
Message-ID: <4F0F1369.8070103@gmail.com> (raw)
In-Reply-To: <20120112141410.GZ2167@redhat.com>
On 01/12/2012 07:14 AM, Gleb Natapov wrote:
>>> This is MSR_OFFCORE_RSP_0 MSR which is not (yet?) supported. What is
>>> your host cpu and qemu command line?
>>
>> Host CPU: Intel(R) Xeon(R) CPU E5540 @ 2.53GHz
>> and '-cpu host' is used on the qemu command line.
>>
> Use "-cpu host,model=29" should avid this message. We need to teach
> guest to not use non architectural MSRs.
Rather than teaching (changing guest code) why not change KVM to not log
a message on these writes until it is supported by KVM?
David
next prev parent reply other threads:[~2012-01-12 17:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 20:47 use of PMU in guest generates messages in host David Ahern
2012-01-12 6:26 ` Gleb Natapov
2012-01-12 14:02 ` David Ahern
2012-01-12 14:14 ` Gleb Natapov
2012-01-12 17:07 ` David Ahern [this message]
2012-01-12 17:17 ` Avi Kivity
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