[GIT PULL] Hyper-V patches for 6.15

[Wei Liu]

Hi Linus,

The following changes since commit a64dcfb451e254085a7daee5fe51bf22959d52d3:

  Linux 6.14-rc2 (2025-02-09 12:45:03 -0800)

are available in the Git repository at:

  ssh://git@xxxxxxxxxxxxxxxxxxx/pub/scm/linux/kernel/git/hyperv/linux.git tags/hyperv-next-signed-20250324

for you to fetch changes up to 628cc040b3a2980df6032766e8ef0688e981ab95:

  x86/hyperv: fix an indentation issue in mshyperv.h (2025-03-21 22:41:56 +0000)

----------------------------------------------------------------
hyperv-next for 6.15
 - Add support for running as the root partition in Hyper-V (Microsoft
   Hypervisor) by exposing /dev/mshv (Nuno and various people)
 - Add support for CPU offlining in Hyper-V (Hamza Mahfooz)
 - Misc fixes and cleanups (Roman Kisel, Tianyu Lan, Wei Liu, Michael Kelley,
   Thorsten Blum)
----------------------------------------------------------------
Hamza Mahfooz (3):
      cpu: export lockdep_assert_cpus_held()
      drivers/hv: introduce vmbus_channel_set_cpu()
      drivers/hv: add CPU offlining support

Michael Kelley (1):
      x86/hyperv: Add comments about hv_vpset and var size hypercall input args

Nuno Das Neves (14):
      hyperv: Move hv_current_partition_id to arch-generic code
      hyperv: Move arch/x86/hyperv/hv_proc.c to drivers/hv
      hyperv: Convert hypercall statuses to linux error codes
      hyperv: Change hv_root_partition into a function
      hyperv: Add CONFIG_MSHV_ROOT to gate root partition support
      hyperv: Log hypercall status codes as strings
      arm64/hyperv: Add some missing functions to arm64
      hyperv: Introduce hv_recommend_using_aeoi()
      acpi: numa: Export node_to_pxm()
      Drivers: hv: Export some functions for use by root partition module
      Drivers: hv: Introduce per-cpu event ring tail
      x86: hyperv: Add mshv_handler() irq handler and setup function
      hyperv: Add definitions for root partition driver to hv headers
      Drivers: hv: Introduce mshv_root module to expose /dev/mshv to VMMs

Roman Kisel (2):
      x86/hyperv: Add VTL mode emergency restart callback
      x86/hyperv: Add VTL mode callback for restarting the system

Stanislav Kinsburskii (1):
      x86/mshyperv: Add support for extended Hyper-V features

Thorsten Blum (1):
      hyperv: Remove unused union and structs

Tianyu Lan (1):
      x86/hyperv: Fix check of return value from snp_set_vmsa()

Wei Liu (1):
      x86/hyperv: fix an indentation issue in mshyperv.h

 Documentation/userspace-api/ioctl/ioctl-number.rst |    2 +
 arch/arm64/hyperv/hv_core.c                        |   17 +
 arch/arm64/hyperv/mshyperv.c                       |    6 +
 arch/arm64/include/asm/mshyperv.h                  |   13 +
 arch/x86/hyperv/Makefile                           |    2 +-
 arch/x86/hyperv/hv_apic.c                          |    5 +
 arch/x86/hyperv/hv_init.c                          |   35 +-
 arch/x86/hyperv/hv_vtl.c                           |   34 +
 arch/x86/hyperv/irqdomain.c                        |    6 +-
 arch/x86/hyperv/ivm.c                              |    2 +-
 arch/x86/hyperv/mmu.c                              |    4 +
 arch/x86/include/asm/mshyperv.h                    |    8 +-
 arch/x86/kernel/cpu/mshyperv.c                     |   40 +-
 drivers/acpi/numa/srat.c                           |    1 +
 drivers/clocksource/hyperv_timer.c                 |    4 +-
 drivers/hv/Kconfig                                 |   17 +
 drivers/hv/Makefile                                |    4 +
 drivers/hv/hv.c                                    |   94 +-
 drivers/hv/hv_common.c                             |  198 +-
 {arch/x86/hyperv => drivers/hv}/hv_proc.c          |   27 +-
 drivers/hv/mshv.h                                  |   30 +
 drivers/hv/mshv_common.c                           |  161 ++
 drivers/hv/mshv_eventfd.c                          |  833 +++++++
 drivers/hv/mshv_eventfd.h                          |   71 +
 drivers/hv/mshv_irq.c                              |  124 ++
 drivers/hv/mshv_portid_table.c                     |   83 +
 drivers/hv/mshv_root.h                             |  311 +++
 drivers/hv/mshv_root_hv_call.c                     |  849 +++++++
 drivers/hv/mshv_root_main.c                        | 2307 ++++++++++++++++++++
 drivers/hv/mshv_synic.c                            |  665 ++++++
 drivers/hv/vmbus_drv.c                             |   54 +-
 drivers/iommu/hyperv-iommu.c                       |    8 +-
 include/asm-generic/mshyperv.h                     |   72 +-
 include/hyperv/hvgdk_mini.h                        |   83 +-
 include/hyperv/hvhdk.h                             |  132 +-
 include/hyperv/hvhdk_mini.h                        |   91 +
 include/linux/hyperv.h                             |   57 +-
 include/uapi/linux/mshv.h                          |  291 +++
 kernel/cpu.c                                       |    1 +
 39 files changed, 6514 insertions(+), 228 deletions(-)
 rename {arch/x86/hyperv => drivers/hv}/hv_proc.c (90%)
 create mode 100644 drivers/hv/mshv.h
 create mode 100644 drivers/hv/mshv_common.c
 create mode 100644 drivers/hv/mshv_eventfd.c
 create mode 100644 drivers/hv/mshv_eventfd.h
 create mode 100644 drivers/hv/mshv_irq.c
 create mode 100644 drivers/hv/mshv_portid_table.c
 create mode 100644 drivers/hv/mshv_root.h
 create mode 100644 drivers/hv/mshv_root_hv_call.c
 create mode 100644 drivers/hv/mshv_root_main.c
 create mode 100644 drivers/hv/mshv_synic.c
 create mode 100644 include/uapi/linux/mshv.h