[GIT PULL] Hyper-V commits for 5.12

[Wei Liu]

Hi Linus,

The following changes since commit 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04:

  Linux 5.11-rc5 (2021-01-24 16:47:14 -0800)

are available in the Git repository at:

  ssh://git@xxxxxxxxxxxxxxxxxxx/pub/scm/linux/kernel/git/hyperv/linux.git tags/hyperv-next-signed-20210216

for you to fetch changes up to 3019270282a175defc02c8331786c73e082cd2a8:

  Revert "Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer" (2021-02-15 10:49:11 +0000)

----------------------------------------------------------------
hyperv-next for 5.12
  - VMBus hardening patches from Andrea Parri and Andres Beltran.
  - Patches to make Linux boot as the root partition on Microsoft Hypervisor
    from Wei Liu.
  - One patch to add a new sysfs interface to support hibernation on Hyper-V
    from Dexuan Cui.
  - Two miscellaneous clean-up patches from Colin and Gustavo.

----------------------------------------------------------------
Andrea Parri (Microsoft) (9):
      Drivers: hv: vmbus: Initialize memory to be sent to the host
      Drivers: hv: vmbus: Reduce number of references to message in vmbus_on_msg_dpc()
      Drivers: hv: vmbus: Copy the hv_message in vmbus_on_msg_dpc()
      Drivers: hv: vmbus: Avoid use-after-free in vmbus_onoffer_rescind()
      Drivers: hv: vmbus: Resolve race condition in vmbus_onoffer_rescind()
      x86/hyperv: Load/save the Isolation Configuration leaf
      Drivers: hv: vmbus: Restrict vmbus_devices on isolated guests
      Drivers: hv: vmbus: Enforce 'VMBus version >= 5.2' on isolated guests
      hv_netvsc: Restrict configurations on isolated guests

Andres Beltran (2):
      Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer
      hv_utils: Add validation for untrusted Hyper-V values

Colin Ian King (1):
      hv_utils: Fix spelling mistake "Hearbeat" -> "Heartbeat"

Dexuan Cui (1):
      Drivers: hv: vmbus: Add /sys/bus/vmbus/hibernation

Gustavo A. R. Silva (1):
      hv: hyperv.h: Replace one-element array with flexible-array in struct icmsg_negotiate

Wei Liu (17):
      asm-generic/hyperv: change HV_CPU_POWER_MANAGEMENT to HV_CPU_MANAGEMENT
      x86/hyperv: detect if Linux is the root partition
      Drivers: hv: vmbus: skip VMBus initialization if Linux is root
      clocksource/hyperv: use MSR-based access if running as root
      x86/hyperv: allocate output arg pages if required
      x86/hyperv: extract partition ID from Microsoft Hypervisor if necessary
      x86/hyperv: handling hypercall page setup for root
      ACPI / NUMA: add a stub function for node_to_pxm()
      x86/hyperv: provide a bunch of helper functions
      x86/hyperv: implement and use hv_smp_prepare_cpus
      asm-generic/hyperv: update hv_msi_entry
      asm-generic/hyperv: update hv_interrupt_entry
      asm-generic/hyperv: introduce hv_device_id and auxiliary structures
      asm-generic/hyperv: import data structures for mapping device interrupts
      x86/hyperv: implement an MSI domain for root partition
      iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition
      Revert "Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer"

 Documentation/ABI/stable/sysfs-bus-vmbus |   7 +
 arch/x86/hyperv/Makefile                 |   4 +-
 arch/x86/hyperv/hv_init.c                | 122 +++++++++-
 arch/x86/hyperv/hv_proc.c                | 219 ++++++++++++++++++
 arch/x86/hyperv/irqdomain.c              | 385 +++++++++++++++++++++++++++++++
 arch/x86/include/asm/hyperv-tlfs.h       |  38 +++
 arch/x86/include/asm/mshyperv.h          |  19 +-
 arch/x86/kernel/cpu/mshyperv.c           |  58 +++++
 drivers/clocksource/hyperv_timer.c       |   3 +
 drivers/hv/channel.c                     |   4 +-
 drivers/hv/channel_mgmt.c                |  77 ++++++-
 drivers/hv/connection.c                  |   7 +
 drivers/hv/hv_fcopy.c                    |  36 ++-
 drivers/hv/hv_kvp.c                      | 122 +++++-----
 drivers/hv/hv_snapshot.c                 |  89 ++++---
 drivers/hv/hv_util.c                     | 222 +++++++++++-------
 drivers/hv/vmbus_drv.c                   |  64 +++--
 drivers/iommu/hyperv-iommu.c             | 177 +++++++++++++-
 drivers/net/hyperv/netvsc.c              |  18 +-
 drivers/pci/controller/pci-hyperv.c      |   2 +-
 include/acpi/acpi_numa.h                 |   4 +
 include/asm-generic/hyperv-tlfs.h        | 255 +++++++++++++++++++-
 include/asm-generic/mshyperv.h           |   5 +
 include/linux/hyperv.h                   |  13 +-
 24 files changed, 1717 insertions(+), 233 deletions(-)
 create mode 100644 arch/x86/hyperv/hv_proc.c
 create mode 100644 arch/x86/hyperv/irqdomain.c