Oliver Upton 3eef0c83c3 Merge branch 'kvm-arm64/nv-xnx-haf' into kvmarm/next
* kvm-arm64/nv-xnx-haf: (22 commits)
  : Support for FEAT_XNX and FEAT_HAF in nested
  :
  : Add support for a couple of MMU-related features that weren't
  : implemented by KVM's software page table walk:
  :
  :  - FEAT_XNX: Allows the hypervisor to describe execute permissions
  :    separately for EL0 and EL1
  :
  :  - FEAT_HAF: Hardware update of the Access Flag, which in the context of
  :    nested means software walkers must also set the Access Flag.
  :
  : The series also adds some basic support for testing KVM's emulation of
  : the AT instruction, including the implementation detail that AT sets the
  : Access Flag in KVM.
  KVM: arm64: at: Update AF on software walk only if VM has FEAT_HAFDBS
  KVM: arm64: at: Use correct HA bit in TCR_EL2 when regime is EL2
  KVM: arm64: Document KVM_PGTABLE_PROT_{UX,PX}
  KVM: arm64: Fix spelling mistake "Unexpeced" -> "Unexpected"
  KVM: arm64: Add break to default case in kvm_pgtable_stage2_pte_prot()
  KVM: arm64: Add endian casting to kvm_swap_s[12]_desc()
  KVM: arm64: Fix compilation when CONFIG_ARM64_USE_LSE_ATOMICS=n
  KVM: arm64: selftests: Add test for AT emulation
  KVM: arm64: nv: Expose hardware access flag management to NV guests
  KVM: arm64: nv: Implement HW access flag management in stage-2 SW PTW
  KVM: arm64: Implement HW access flag management in stage-1 SW PTW
  KVM: arm64: Propagate PTW errors up to AT emulation
  KVM: arm64: Add helper for swapping guest descriptor
  KVM: arm64: nv: Use pgtable definitions in stage-2 walk
  KVM: arm64: Handle endianness in read helper for emulated PTW
  KVM: arm64: nv: Stop passing vCPU through void ptr in S2 PTW
  KVM: arm64: Call helper for reading descriptors directly
  KVM: arm64: nv: Advertise support for FEAT_XNX
  KVM: arm64: Teach ptdump about FEAT_XNX permissions
  KVM: arm64: nv: Forward FEAT_XNX permissions to the shadow stage-2
  ...

Signed-off-by: Oliver Upton <oupton@kernel.org>
2025-12-01 00:47:41 -08:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-10-26 15:59:49 -07:00
2024-03-18 03:36:32 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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