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9b093f5b86
KVM SVM changes for 6.15 - Ensure the PSP driver is initialized when both the PSP and KVM modules are built-in (the initcall framework doesn't handle dependencies). - Use long-term pins when registering encrypted memory regions, so that the pages are migrated out of MIGRATE_CMA/ZONE_MOVABLE and don't lead to excessive fragmentation. - Add macros and helpers for setting GHCB return/error codes. - Add support for Idle HLT interception, which elides interception if the vCPU has a pending, unmasked virtual IRQ when HLT is executed. - Fix a bug in INVPCID emulation where KVM fails to check for a non-canonical address. - Don't attempt VMRUN for SEV-ES+ guests if the vCPU's VMSA is invalid, e.g. because the vCPU was "destroyed" via SNP's AP Creation hypercall. - Reject SNP AP Creation if the requested SEV features for the vCPU don't match the VM's configured set of features. - Misc cleanups
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.