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

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Message-Id: <1626287687-2045-1-git-send-email-mikelley@microsoft.com>
Date:   Wed, 14 Jul 2021 11:34:44 -0700
From:   Michael Kelley <mikelley@...rosoft.com>
To:     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
Cc:     mikelley@...rosoft.com, linux-arch@...r.kernel.org
Subject: [PATCH v2 0/3] Additional refactoring of Hyper-V arch specific code

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>)


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