linux-kernel - Re: [PATCH v2 0/3] Additional refactoring of Hyper-V arch specific code

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Message-ID: <20210715130356.qbmrfnbpqbdaim3j@liuwe-devbox-debian-v2>
Date:   Thu, 15 Jul 2021 13:03:56 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     sthemmin@...rosoft.com, kys@...rosoft.com, wei.liu@...nel.org,
        decui@...rosoft.com, tglx@...utronix.de, mingo@...hat.com,
        bp@...en8.de, x86@...nel.org, hpa@...or.com, arnd@...db.de,
        linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: Re: [PATCH v2 0/3] Additional refactoring of Hyper-V arch specific
 code

On Wed, Jul 14, 2021 at 11:34:44AM -0700, Michael Kelley wrote:
> This patch set moves additional Hyper-V code under arch/x86 into
> arch-neutral hv_common.c where it can be shared by x86 and
> and ARM64 implementations.  The move reduces the overall lines
> of code across both architectures, and removes code under
> arch/ that isn't really architecture-specific.
> 
> The code is moved into hv_common.c because it must be
> built-in to the kernel image, and not be part of a module.
> 
> No functional changes are intended.
> 
> ---
> Changes in v2:
> * Fixed problem when building with CONFIG_HYPERV=n
>   (reported by kernel test robot <lkp@...el.com>)
> 

Thanks for the quick turnaround. I've pushed these three patches to
hyperv-next.

Wei.

> 
> Michael Kelley (3):
>   Drivers: hv: Make portions of Hyper-V init code be arch neutral
>   Drivers: hv: Add arch independent default functions for some Hyper-V
>     handlers
>   Drivers: hv: Move Hyper-V misc functionality to arch-neutral code
> 
>  arch/x86/hyperv/hv_init.c       | 101 +++-----------------
>  arch/x86/include/asm/mshyperv.h |   4 -
>  arch/x86/kernel/cpu/mshyperv.c  |  20 ----
>  drivers/hv/hv_common.c          | 205 ++++++++++++++++++++++++++++++++++++++++
>  include/asm-generic/mshyperv.h  |  10 ++
>  5 files changed, 226 insertions(+), 114 deletions(-)
> 
> -- 
> 1.8.3.1
>