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* kvm-arm64/nv-idregs:
: Changes to exposure of NV features, courtesy of Marc Zyngier
:
: Apply NV-specific feature restrictions at reset rather than at the point
: of KVM_RUN. This makes the true feature set visible to userspace, a
: necessary step towards save/restore support or NV VMs.
:
: Add an additional vCPU feature flag for selecting the E2H0 flavor of NV,
: such that the VHE-ness of the VM can be applied to the feature set.
KVM: arm64: selftests: Test that TGRAN*_2 fields are writable
KVM: arm64: Allow userspace to write ID_AA64MMFR0_EL1.TGRAN*_2
KVM: arm64: Advertise FEAT_ECV when possible
KVM: arm64: Make ID_AA64MMFR4_EL1.NV_frac writable
KVM: arm64: Allow userspace to limit NV support to nVHE
KVM: arm64: Move NV-specific capping to idreg sanitisation
KVM: arm64: Enforce NV limits on a per-idregs basis
KVM: arm64: Make ID_REG_LIMIT_FIELD_ENUM() more widely available
KVM: arm64: Consolidate idreg callbacks
KVM: arm64: Advertise NV2 in the boot messages
KVM: arm64: Mark HCR.EL2.{NV*,AT} RES0 when ID_AA64MMFR4_EL1.NV_frac is 0
KVM: arm64: Mark HCR.EL2.E2H RES0 when ID_AA64MMFR1_EL1.VH is zero
KVM: arm64: Hide ID_AA64MMFR2_EL1.NV from guest and userspace
arm64: cpufeature: Handle NV_frac as a synonym of NV2
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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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.