linux-kernel - RE: [PATCH v1 0/3] Enable PV qspinlock for Hyper-V

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Message-ID: <CY4PR21MB07735BAA5C00C933C4E00C9FDC180@CY4PR21MB0773.namprd21.prod.outlook.com>
Date:   Sat, 15 Sep 2018 23:43:12 +0000
From:   "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>
To:     Yi Sun <yi.y.sun@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "x86@...nel.org" <x86@...nel.org>,
        "chao.p.peng@...el.com" <chao.p.peng@...el.com>,
        "chao.gao@...el.com" <chao.gao@...el.com>,
        "isaku.yamahata@...el.com" <isaku.yamahata@...el.com>,
        "michael.h.kelly@...rosoft.com" <michael.h.kelly@...rosoft.com>,
        Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Jonathan Corbet <corbet@....net>
Subject: RE: [PATCH v1 0/3] Enable PV qspinlock for Hyper-V

>From Yi Sun   Sent: Thursday, September 13, 2018 2:13 AM

> This patch adds the necessary Hyper-V specific code to allow
> PV qspinlock work on Hyper-V.
> 

Have you done any performance measurements with this
new code, so that we know whether there is any improvement,
or even potentially any degradation in some circumstances?

Michael