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* kvm-arm64/fgt-masks: (43 commits) : . : Large rework of the way KVM deals with trap bits in conjunction with : the CPU feature registers. It now draws a direct link between which : the feature set, the system registers that need to UNDEF to match : the configuration and bits that need to behave as RES0 or RES1 in : the trap registers that are visible to the guest. : : Best of all, these definitions are mostly automatically generated : from the JSON description published by ARM under a permissive : license. : . KVM: arm64: Handle TSB CSYNC traps KVM: arm64: Add FGT descriptors for FEAT_FGT2 KVM: arm64: Allow sysreg ranges for FGT descriptors KVM: arm64: Add context-switch for FEAT_FGT2 registers KVM: arm64: Add trap routing for FEAT_FGT2 registers KVM: arm64: Add sanitisation for FEAT_FGT2 registers KVM: arm64: Add FEAT_FGT2 registers to the VNCR page KVM: arm64: Use HCR_EL2 feature map to drive fixed-value bits KVM: arm64: Use HCRX_EL2 feature map to drive fixed-value bits KVM: arm64: Allow kvm_has_feat() to take variable arguments KVM: arm64: Use FGT feature maps to drive RES0 bits KVM: arm64: Validate FGT register descriptions against RES0 masks KVM: arm64: Switch to table-driven FGU configuration KVM: arm64: Handle PSB CSYNC traps KVM: arm64: Use KVM-specific HCRX_EL2 RES0 mask KVM: arm64: Remove hand-crafted masks for FGT registers KVM: arm64: Use computed FGT masks to setup FGT registers KVM: arm64: Propagate FGT masks to the nVHE hypervisor KVM: arm64: Unconditionally configure fine-grain traps KVM: arm64: Use computed masks as sanitisers for FGT registers ... Signed-off-by: Marc Zyngier <maz@kernel.org>
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.