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Re: [Xen-devel] [PATCH v2] x86/apicv: fix RTC periodic timer and apicv issue
- To: "Xuquan (Quan Xu)" <xuquan8@xxxxxxxxxx>, "Tian, Kevin" <kevin.tian@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>
- From: "Xuquan (Quan Xu)" <xuquan8@xxxxxxxxxx>
- Date: Tue, 25 Oct 2016 09:01:59 +0000
- Accept-language: en-US
- Cc: "yang.zhang.wz@xxxxxxxxx" <yang.zhang.wz@xxxxxxxxx>, "Hanweidong \(Randy\)" <hanweidong@xxxxxxxxxx>, "George.Dunlap@xxxxxxxxxxxxx" <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, Jiangyifei <jiangyifei@xxxxxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
- Delivery-date: Tue, 25 Oct 2016 09:09:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
- Thread-index: AdITQtoR4bdW35hUR4eBgL/wdUWlgwCKfOwAACEZQUAAAo6TQABgjoaAAtZwCZD//3+RgP//Z7BQ//1yHtD/+qnIgP/sCFGA/80z7cD/mMDe0P8xcv2w
- Thread-topic: [PATCH v2] x86/apicv: fix RTC periodic timer and apicv issue
On October 25, 2016 4:36 PM, Quan Xu wrote:
>I am afraid we could find a clean solution based on current implementation (kvm
Sorry, a typo..
s/could/could not/
>is ok).. and apicv results in decreased application performance for some
>windows
>guest.
>
>So I suggest to configure ' msr_based_apic=1' / 'apicv = 0' to enable viridian
>for
>windows guest.. this is a workaround..
>
>Quan
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