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Oliver Upton 1f315e99bd Merge branch 'kvm-arm64/gcie-legacy' into kvmarm/next
* kvm-arm64/gcie-legacy:
  : Support for GICv3 emulation on GICv5, courtesy of Sascha Bischoff
  :
  : FEAT_GCIE_LEGACY adds the necessary hardware for GICv5 systems to
  : support the legacy GICv3 for VMs, including a backwards-compatible VGIC
  : implementation that we all know and love.
  :
  : As a starting point for GICv5 enablement in KVM, enable + use the
  : GICv3-compatible feature when running VMs on GICv5 hardware.
  KVM: arm64: gic-v5: Probe for GICv5
  KVM: arm64: gic-v5: Support GICv3 compat
  arm64/sysreg: Add ICH_VCTLR_EL2
  irqchip/gic-v5: Populate struct gic_kvm_info
  irqchip/gic-v5: Skip deactivate for forwarded PPI interrupts

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
History 2025-07-26 08:50:06 -07:00
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README

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.