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64d5cd99f7
Use kvm_release_page_clean() to put prefeteched pages instead of calling put_page() directly. This will allow de-duplicating the prefetch code between indirect and direct MMUs. Note, there's a small functional change as kvm_release_page_clean() marks the page/folio as accessed. While it's not strictly guaranteed that the guest will access the page, KVM won't intercept guest accesses, i.e. won't mark the page accessed if it _is_ accessed by the guest (unless A/D bits are disabled, but running without A/D bits is effectively limited to pre-HSW Intel CPUs). Tested-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Sean Christopherson <seanjc@google.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-ID: <20241010182427.1434605-39-seanjc@google.com> |
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| README | ||
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.