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Paolo Bonzini 7b541d557f KVM/arm64 changes for 6.13, part #1
- Support for stage-1 permission indirection (FEAT_S1PIE) and
    permission overlays (FEAT_S1POE), including nested virt + the
    emulated page table walker
 
  - Introduce PSCI SYSTEM_OFF2 support to KVM + client driver. This call
    was introduced in PSCIv1.3 as a mechanism to request hibernation,
    similar to the S4 state in ACPI
 
  - Explicitly trap + hide FEAT_MPAM (QoS controls) from KVM guests. As
    part of it, introduce trivial initialization of the host's MPAM
    context so KVM can use the corresponding traps
 
  - PMU support under nested virtualization, honoring the guest
    hypervisor's trap configuration and event filtering when running a
    nested guest
 
  - Fixes to vgic ITS serialization where stale device/interrupt table
    entries are not zeroed when the mapping is invalidated by the VM
 
  - Avoid emulated MMIO completion if userspace has requested synchronous
    external abort injection
 
  - Various fixes and cleanups affecting pKVM, vCPU initialization, and
    selftests
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Merge tag 'kvmarm-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 changes for 6.13, part #1

 - Support for stage-1 permission indirection (FEAT_S1PIE) and
   permission overlays (FEAT_S1POE), including nested virt + the
   emulated page table walker

 - Introduce PSCI SYSTEM_OFF2 support to KVM + client driver. This call
   was introduced in PSCIv1.3 as a mechanism to request hibernation,
   similar to the S4 state in ACPI

 - Explicitly trap + hide FEAT_MPAM (QoS controls) from KVM guests. As
   part of it, introduce trivial initialization of the host's MPAM
   context so KVM can use the corresponding traps

 - PMU support under nested virtualization, honoring the guest
   hypervisor's trap configuration and event filtering when running a
   nested guest

 - Fixes to vgic ITS serialization where stale device/interrupt table
   entries are not zeroed when the mapping is invalidated by the VM

 - Avoid emulated MMIO completion if userspace has requested synchronous
   external abort injection

 - Various fixes and cleanups affecting pKVM, vCPU initialization, and
   selftests
History 2024-11-14 07:05:36 -05:00
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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.