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0afd104fb3
KVM/arm64 updates for 6.15 - Nested virtualization support for VGICv3, giving the nested hypervisor control of the VGIC hardware when running an L2 VM - Removal of 'late' nested virtualization feature register masking, making the supported feature set directly visible to userspace - Support for emulating FEAT_PMUv3 on Apple silicon, taking advantage of an IMPLEMENTATION DEFINED trap that covers all PMUv3 registers - Paravirtual interface for discovering the set of CPU implementations where a VM may run, addressing a longstanding issue of guest CPU errata awareness in big-little systems and cross-implementation VM migration - Userspace control of the registers responsible for identifying a particular CPU implementation (MIDR_EL1, REVIDR_EL1, AIDR_EL1), allowing VMs to be migrated cross-implementation - pKVM updates, including support for tracking stage-2 page table allocations in the protected hypervisor in the 'SecPageTable' stat - Fixes to vPMU, ensuring that userspace updates to the vPMU after KVM_RUN are reflected into the backing perf events
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.