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* kvm-arm64/nv-eret-pauth:
: .
: Add NV support for the ERETAA/ERETAB instructions. From the cover letter:
:
: "Although the current upstream NV support has *some* support for
: correctly emulating ERET, that support is only partial as it doesn't
: support the ERETAA and ERETAB variants.
:
: Supporting these instructions was cast aside for a long time as it
: involves implementing some form of PAuth emulation, something I wasn't
: overly keen on. But I have reached a point where enough of the
: infrastructure is there that it actually makes sense. So here it is!"
: .
KVM: arm64: nv: Work around lack of pauth support in old toolchains
KVM: arm64: Drop trapping of PAuth instructions/keys
KVM: arm64: nv: Advertise support for PAuth
KVM: arm64: nv: Handle ERETA[AB] instructions
KVM: arm64: nv: Add emulation for ERETAx instructions
KVM: arm64: nv: Add kvm_has_pauth() helper
KVM: arm64: nv: Reinject PAC exceptions caused by HCR_EL2.API==0
KVM: arm64: nv: Handle HCR_EL2.{API,APK} independently
KVM: arm64: nv: Honor HFGITR_EL2.ERET being set
KVM: arm64: nv: Fast-track 'InHost' exception returns
KVM: arm64: nv: Add trap forwarding for ERET and SMC
KVM: arm64: nv: Configure HCR_EL2 for FEAT_NV2
KVM: arm64: nv: Drop VCPU_HYP_CONTEXT flag
KVM: arm64: Constraint PAuth support to consistent implementations
KVM: arm64: Add helpers for ESR_ELx_ERET_ISS_ERET*
KVM: arm64: Harden __ctxt_sys_reg() against out-of-range values
Signed-off-by: Marc Zyngier <maz@kernel.org>
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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.