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a90764f0e4
In some cases, like with SEV-SNP, guest memory needs to be updated in a platform-specific manner before it can be safely freed back to the host. Wire up arch-defined hooks to the .free_folio kvm_gmem_aops callback to allow for special handling of this sort when freeing memory in response to FALLOC_FL_PUNCH_HOLE operations and when releasing the inode, and go ahead and define an arch-specific hook for x86 since it will be needed for handling memory used for SEV-SNP guests. Signed-off-by: Michael Roth <michael.roth@amd.com> Message-Id: <20231230172351.574091-6-michael.roth@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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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.