From: Wanpeng Li <kernellwp@gmail.com>
To: Arthur Chunqi Li <yzt356@gmail.com>
Cc: kvm <kvm@vger.kernel.org>
Subject: Re: CPUs support APIC virtualization
Date: Thu, 1 May 2014 19:11:00 +0800 [thread overview]
Message-ID: <20140501111100.GA37427@ubuntu> (raw)
In-Reply-To: <CABpY8MK3Bb5qOwU-1eWHSV6n=Mm0jR1d7oJ3U5cE79RzUVYOTQ@mail.gmail.com>
Hi Arthur,
On Tue, Apr 22, 2014 at 11:08:31AM +0800, Arthur Chunqi Li wrote:
>Hi there,
>
>I have noticed in Intel SDM that some kinds of CPUs support APIC
>virtualization (e.g. Virtual-interrupt delivery). I checked all my
>Intel CPUs' MSR and found none of them support this. So do anybody
>know which types of Intel CPU supports APIC virtualization? Or where
>can I get related information?
>
https://software.intel.com/en-us/blogs/2013/12/17/apic-virtualization-performance-testing-and-iozone
This article metioned that the latest Intel(R) Xeon(R) processors, such
as the Intel(R) Xeon(R) E5-2600 v2 Product Family, emulate those
activities in the hardware.
Regards,
Wanpeng Li
>Thanks,
>Arthur
>
>--
>Arthur Chunqi Li
>Department of Computer Science
>School of EECS
>Peking University
>Beijing, China
>--
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prev parent reply other threads:[~2014-05-01 11:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-22 3:08 CPUs support APIC virtualization Arthur Chunqi Li
2014-05-01 11:11 ` Wanpeng Li [this message]
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