[GIT PULL] Hyper-V next for 7.4

[GIT PULL] Hyper-V next for 7.4

[Wei Liu]

Hi Linus,

The following changes since commit c03c1a14507dfaf8b856c2608f9ac216021fc222:

  Linux 7.3 (2026-10-18 13:14:58 -1000)

are available in the Git repository at:

  ssh://git@gitolite.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git tags/hyperv-next-signed-20261028

for you to fetch changes up to 33b28f3b313353f11fc939e9a268605e66290d0b:

  Drivers: hv: Remove leftover support for old Hyper-V versions (2026-10-25 15:11:09 -0700)

----------------------------------------------------------------
hyperv-next for v7.4-rc1
 - Update to documents and code comments (Michael Kelley)
 - Harden Vmbus (Kameron Carr)
 - Rework MSHV driver page deposit logic (Mukesh Rathor)
 - Vmbus kexec bug fix (Shradha Gupta)
 - Miscellaneous bug fixes (Daehyeon Ko, Jiale Yao, Sasha Levin)
----------------------------------------------------------------
Daehyeon Ko (2):
      mshv_vtl: detach poll waiter on POLLFREE
      mshv_vtl: reject poll files with multiple waitqueues

Jiale Yao (2):
      Drivers: hv: vmbus: Check ACPI companion before use
      mshv_vtl: initialize poll file mutex before device registration

Kameron Carr (5):
      Drivers: hv: vmbus: Bounds check the shared ring buffer indices
      Drivers: hv: vmbus: Use *_ONCE() to access shared ring buffer indices
      Drivers: hv: vmbus: Compute ring byte counts from a caller-held snapshot
      Drivers: hv: vmbus: Keep the ring byte counts sane for a bad index
      Documentation: hyperv: Describe validation of the ring buffer indices

Michael Kelley (4):
      Documentation: hyperv: Update documentation for sending VMBus packets
      Documentation: hyperv: Remove support for guests on Hyper-V 2012/2012R2
      Documentation: hyperv: Update information on guest CPU offlining
      Drivers: hv: Remove leftover support for old Hyper-V versions

Mukesh R (3):
      mshv: Rename memory deposit memory functions to _old
      mshv: Redesign hypervisor memory deposit logic
      mshv: Remove unused *_old memory deposit functions

Sasha Levin (1):
      tools: hv: remove unused rte_smp_mb()

Shradha Gupta (2):
      kexec: Add helper to report an active kexec reboot
      Drivers: hv: Run VMBus kexec cleanup from syscore shutdown

 .../device_drivers/ethernet/microsoft/netvsc.rst   |  14 +-
 Documentation/virt/hyperv/clocks.rst               |   8 +-
 Documentation/virt/hyperv/coco.rst                 |   5 +-
 Documentation/virt/hyperv/overview.rst             |  28 +--
 Documentation/virt/hyperv/vmbus.rst                |  17 +-
 arch/x86/kernel/cpu/mshyperv.c                     |  27 +--
 drivers/hv/hv_common.c                             |  10 -
 drivers/hv/hv_proc.c                               | 260 ++++++++++++---------
 drivers/hv/mshv_root_hv_call.c                     |  10 +-
 drivers/hv/mshv_vtl_main.c                         |  55 ++++-
 drivers/hv/ring_buffer.c                           | 126 ++++------
 drivers/hv/vmbus_drv.c                             |  30 ++-
 include/asm-generic/mshyperv.h                     |   7 -
 include/linux/hyperv.h                             |  58 +++--
 include/linux/kexec.h                              |   2 +
 kernel/kexec_core.c                                |   7 +
 tools/hv/vmbus_bufring.c                           |   6 -
 17 files changed, 363 insertions(+), 307 deletions(-)