linux-kernel - RE: [PATCH v3 4/7] x86/hyper-v: allocate and use Virtual Processor Assist Pages

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Message-ID: <DM5PR2101MB103023729D2ADB71218C42EEDCD20@DM5PR2101MB1030.namprd21.prod.outlook.com>
Date:   Tue, 13 Mar 2018 23:08:00 +0000
From:   "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
CC:     "x86@...nel.org" <x86@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Mohammed Gamal <mmorsy@...hat.com>,
        Cathy Avery <cavery@...hat.com>, Bandan Das <bsd@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 4/7] x86/hyper-v: allocate and use Virtual Processor
 Assist Pages

> -----Original Message-----
> From: Vitaly Kuznetsov <vkuznets@...hat.com>
> Sent: Friday, March 9, 2018 6:03 AM
> To: kvm@...r.kernel.org
> Cc: x86@...nel.org; Paolo Bonzini <pbonzini@...hat.com>; Radim Krčmář
> <rkrcmar@...hat.com>; KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> <haiyangz@...rosoft.com>; Stephen Hemminger <sthemmin@...rosoft.com>; Michael
> Kelley (EOSG) <Michael.H.Kelley@...rosoft.com>; Mohammed Gamal
> <mmorsy@...hat.com>; Cathy Avery <cavery@...hat.com>; Bandan Das <bsd@...hat.com>;
> linux-kernel@...r.kernel.org
> Subject: [PATCH v3 4/7] x86/hyper-v: allocate and use Virtual Processor Assist Pages
> 
> Virtual Processor Assist Pages usage allows us to do optimized EOI
> processing for APIC, enable Enlightened VMCS support in KVM and more.
> struct hv_vp_assist_page is defined according to the Hyper-V TLFS v5.0b.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>

Reviewed-by:  Michael Kelley <mikelley@...rosoft.com>