From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wanpeng Li Subject: Re: CPUs support APIC virtualization Date: Thu, 1 May 2014 19:11:00 +0800 Message-ID: <20140501111100.GA37427@ubuntu> References: Reply-To: Wanpeng Li Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm To: Arthur Chunqi Li Return-path: Received: from mail-pd0-f180.google.com ([209.85.192.180]:34688 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754886AbaEALLG (ORCPT ); Thu, 1 May 2014 07:11:06 -0400 Received: by mail-pd0-f180.google.com with SMTP id x10so2996471pdj.39 for ; Thu, 01 May 2014 04:11:05 -0700 (PDT) Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: 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 >-- >To unsubscribe from this list: send the line "unsubscribe kvm" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html