linux-kernel - RE: [PATCH v6 09/16] x86/hyperv: provide a bunch of helper functions

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Message-ID: <MWHPR21MB1593E317A4D6B24A7B9BAB75D7B39@MWHPR21MB1593.namprd21.prod.outlook.com>
Date:   Thu, 4 Feb 2021 17:13:30 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     Wei Liu <wei.liu@...nel.org>,
        Linux on Hyper-V List <linux-hyperv@...r.kernel.org>
CC:     "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        Linux Kernel List <linux-kernel@...r.kernel.org>,
        Vineeth Pillai <viremana@...ux.microsoft.com>,
        Sunil Muthuswamy <sunilmut@...rosoft.com>,
        Nuno Das Neves <nunodasneves@...ux.microsoft.com>,
        "pasha.tatashin@...een.com" <pasha.tatashin@...een.com>,
        Lillian Grassin-Drake <Lillian.GrassinDrake@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>,
        "open list:GENERIC INCLUDE/ASM HEADER FILES" 
        <linux-arch@...r.kernel.org>
Subject: RE: [PATCH v6 09/16] x86/hyperv: provide a bunch of helper functions

From: Wei Liu <wei.liu@...nel.org> Sent: Wednesday, February 3, 2021 7:04 AM
> 
> They are used to deposit pages into Microsoft Hypervisor and bring up
> logical and virtual processors.
> 
> Signed-off-by: Lillian Grassin-Drake <ligrassi@...rosoft.com>
> Signed-off-by: Sunil Muthuswamy <sunilmut@...rosoft.com>
> Signed-off-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
> Co-Developed-by: Lillian Grassin-Drake <ligrassi@...rosoft.com>
> Co-Developed-by: Sunil Muthuswamy <sunilmut@...rosoft.com>
> Co-Developed-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
> Signed-off-by: Wei Liu <wei.liu@...nel.org>
> ---
> v6:
> 1. Address Michael's comments.
> 
> v4: Fix compilation issue when CONFIG_ACPI_NUMA is not set.
> 
> v3:
> 1. Add __packed to structures.
> 2. Drop unnecessary exports.
> 
> v2:
> 1. Adapt to hypervisor side changes
> 2. Address Vitaly's comments
> 
> use u64 status
> 
> pages
> 
> major comments
> 
> minor comments
> 
> rely on acpi code
> ---
>  arch/x86/hyperv/Makefile          |   2 +-
>  arch/x86/hyperv/hv_proc.c         | 219 ++++++++++++++++++++++++++++++
>  arch/x86/include/asm/mshyperv.h   |   4 +
>  include/asm-generic/hyperv-tlfs.h |  67 +++++++++
>  4 files changed, 291 insertions(+), 1 deletion(-)
>  create mode 100644 arch/x86/hyperv/hv_proc.c
> 

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