Merge tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - Enhancements to Linux as the root partition for Microsoft Hypervisor:
     - Support a new mode called L1VH, which allows Linux to drive the
       hypervisor running the Azure Host directly
     - Support for MSHV crash dump collection
     - Allow Linux's memory management subsystem to better manage guest
       memory regions
     - Fix issues that prevented a clean shutdown of the whole system on
       bare metal and nested configurations
     - ARM64 support for the MSHV driver
     - Various other bug fixes and cleanups

 - Add support for Confidential VMBus for Linux guest on Hyper-V

 - Secure AVIC support for Linux guests on Hyper-V

 - Add the mshv_vtl driver to allow Linux to run as the secure kernel in
   a higher virtual trust level for Hyper-V

* tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (58 commits)
  mshv: Cleanly shutdown root partition with MSHV
  mshv: Use reboot notifier to configure sleep state
  mshv: Add definitions for MSHV sleep state configuration
  mshv: Add support for movable memory regions
  mshv: Add refcount and locking to mem regions
  mshv: Fix huge page handling in memory region traversal
  mshv: Move region management to mshv_regions.c
  mshv: Centralize guest memory region destruction
  mshv: Refactor and rename memory region handling functions
  mshv: adjust interrupt control structure for ARM64
  Drivers: hv: use kmalloc_array() instead of kmalloc()
  mshv: Add ioctl for self targeted passthrough hvcalls
  Drivers: hv: Introduce mshv_vtl driver
  Drivers: hv: Export some symbols for mshv_vtl
  static_call: allow using STATIC_CALL_TRAMP_STR() from assembly
  mshv: Extend create partition ioctl to support cpu features
  mshv: Allow mappings that overlap in uaddr
  mshv: Fix create memory region overlap check
  mshv: add WQ_PERCPU to alloc_workqueue users
  Drivers: hv: Use kmalloc_array() instead of kmalloc()
  ...

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